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Weekly SNOTEL Snowpack Comparison Tables

Data from 138 SNOTEL sites. SWE = Snow Water Equivalent.

May 7, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 110% 11% 172% 64% 89% 81%
Kootenai ab Bonners Ferry 137% 13% 182% 75% 112% 82%
Kootenai in Montana 137% 13% 182% 75% 112% 82%
Kootenai Mainstem 135% 12% 163% 82% 118% 88%
Tobacco 135% 19% 212% 64% 109% 81%
Fisher 59% 2% 290% 20% 24% 40%
Yaak 159% 3% 188% 84% 127% 80%
Clark Fk ab Pend Orielle 105% 11% 175% 60% 85% 80%
Clark Fork River Basin 104% 10% 165% 63% 86% 82%
Upper Clark Fork Basin 96% 9% 153% 62% 82% 86%
Flint Creek 50% 7% 155% 32% 35% 71%
Rock Creek 82% 8% 137% 60% 77% 93%
Clark Fork ab Blackfoot 87% 8% 145% 60% 80% 92%
Blackfoot 110% 11% 170% 65% 86% 78%
Clark Fork ab Flint Creek 97% 7% 145% 67% 93% 96%
Bitterroot River Basin 94% 11% 157% 60% 72% 77%
West Fork Bitterroot 91% 11% 151% 60% 75% 83%
East Side Bitterroot 82% 10% 147% 56% 71% 86%
West Side Bitterroot 104% 11% 162% 64% 75% 72%
Flathead River Basin 111% 12% 188% 59% 91% 82%
Flathead in Montana 111% 12% 188% 59% 91% 82%
NF Flathead in Montana 123% 15% 187% 66% 100% 81%
MF Flathead 115% 11% 162% 71% 99% 87%
SF Flathead 93% 9% 208% 45% 75% 81%
Stillwater-Whitefish 59% 2% 290% 20% 24% 40%
Swan 103% 8% 175% 59% 94% 91%
Mission Valley 116% 10% 212% 55% 100% 86%
Jocko 111% 9% 172% 65% 96% 86%
Lower Clark Fork Basin 118% 13% 181% 65% 93% 79%
East of Divide 79% 5% 152% 52% 69% 87%
Missouri River Basin 84% 7% 159% 53% 70% 84%
Missouri Headwaters 80% 7% 146% 55% 69% 87%
Jefferson River Basin 67% 3% 139% 48% 59% 88%
Beaverhead 61% 0% 147% 41% 52% 86%
Ruby 67% 0% 116% 58% 63% 94%
Bighole 72% 5% 139% 52% 63% 87%
Boulder 64% 5% 140% 46% 60% 93%
Madison River Basin 90% 7% 137% 66% 83% 92%
Madison abv Hebgen Lake 104% 12% 159% 65% 84% 80%
Madison blw Hebgen Lake 83% 6% 125% 66% 80% 96%
Gallatin River Basin 94% 10% 153% 62% 85% 90%
Upper Gallatin 92% 8% 141% 65% 89% 97%
Hyalite 92% 7% 139% 66% 84% 92%
Bridger 104% 19% 198% 52% 75% 73%
Missouri Mainstem Basins 95% 10% 191% 50% 72% 77%
Missouri Mainstem 88% 12% 161% 54% 75% 85%
Smith-Judith-Musselshell 102% 13% 209% 49% 74% 72%
Smith 102% 14% 194% 52% 77% 75%
Judith 106% 10% 216% 49% 82% 77%
Musselshell 81% 4% 208% 39% 55% 68%
Sun-Teton-Marias 95% 6% 182% 52% 76% 80%
Sun 89% 2% 184% 48% 74% 83%
Teton 82% 2% 208% 40% 60% 73%
Marias 97% 9% 163% 59% 83% 86%
St. Mary & Milk Basin 116% 12% 168% 69% 90% 77%
St. Mary 113% 11% 167% 68% 93% 82%
Milk River Basin 273% 89% 232% 118% 44% 16%
Bearpaw Mountains 273% 89% 232% 118% 44% 16%
Yellowstone River Basin 75% 3% 146% 51% 68% 91%
Upper Yellowstone 89% 7% 151% 59% 80% 90%
Yellowstone ab Livingston 90% 6% 154% 58% 83% 92%
Shields 98% 11% 180% 54% 76% 77%
Boulder-Stillwater 83% 10% 150% 55% 75% 90%
Red Lodge-Rock Creek 60% -2% 83% 73% 50% 83%
Clark's Fork 96% 8% 148% 65% 92% 96%
Lower Yellowstone 61% 0% 139% 44% 56% 92%
Wind River 44% -4% 126% 35% 40% 91%
Shoshone River 77% 3% 137% 57% 74% 95%
Bighorn River 74% 1% 142% 52% 70% 94%
Little Bighorn 87% 1% 136% 64% 84% 97%
Tongue River 64% -2% 153% 42% 56% 88%
Powder River 39% -7% 163% 24% 34% 86%
Montana State 96% 9% 164% 58% 80% 83%
Montana Watersheds 89% 7% 160% 56% 76% 85%

April 30, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 99% -7% 161% 61% 88% 89%
Kootenai ab Bonners Ferry 124% -4% 168% 74% 112% 90%
Kootenai in Montana 124% -4% 168% 74% 112% 90%
Kootenai Mainstem 123% -5% 152% 81% 116% 95%
Tobacco 116% 2% 190% 61% 101% 87%
Fisher 57% -34% 227% 25% 35% 62%
Yaak 156% 2% 177% 88% 135% 87%
Clark Fk ab Pend Orielle 94% -8% 163% 58% 83% 89%
Clark Fork River Basin 94% -7% 154% 61% 85% 90%
Upper Clark Fork Basin 86% -8% 148% 58% 80% 92%
Flint Creek 43% -22% 159% 27% 35% 83%
Rock Creek 74% -11% 130% 57% 73% 99%
Clark Fork ab Blackfoot 79% -13% 142% 56% 77% 97%
Blackfoot 98% -2% 159% 62% 85% 86%
Clark Fork ab Flint Creek 90% -12% 141% 64% 90% 99%
Bitterroot River Basin 83% -9% 145% 58% 72% 86%
West Fork Bitterroot 80% -6% 138% 58% 73% 92%
East Side Bitterroot 72% -11% 140% 52% 67% 92%
West Side Bitterroot 93% -6% 148% 63% 78% 84%
Flathead River Basin 99% -7% 176% 56% 88% 89%
Flathead in Montana 99% -7% 176% 56% 88% 89%
NF Flathead in Montana 108% -7% 175% 62% 95% 88%
MF Flathead 104% -10% 153% 68% 96% 93%
SF Flathead 84% -10% 190% 44% 75% 89%
Stillwater-Whitefish 57% -34% 227% 25% 35% 62%
Swan 95% -2% 169% 56% 90% 95%
Mission Valley 106% 0% 200% 53% 97% 92%
Jocko 102% -4% 162% 63% 94% 92%
Lower Clark Fork Basin 105% -6% 163% 64% 92% 88%
East of Divide 74% -9% 146% 51% 70% 95%
Missouri River Basin 77% -10% 151% 51% 71% 92%
Missouri Headwaters 73% -9% 141% 52% 70% 95%
Jefferson River Basin 64% -12% 135% 47% 61% 95%
Beaverhead 61% -13% 141% 43% 58% 95%
Ruby 67% -11% 114% 59% 67% 100%
Bighole 67% -10% 136% 50% 64% 94%
Boulder 59% -25% 140% 42% 59% 99%
Madison River Basin 83% -6% 134% 62% 80% 97%
Madison abv Hebgen Lake 92% -1% 155% 59% 82% 89%
Madison blw Hebgen Lake 77% -9% 122% 63% 77% 100%
Gallatin River Basin 84% -3% 146% 58% 82% 97%
Upper Gallatin 84% -5% 137% 61% 84% 100%
Hyalite 85% -4% 139% 61% 83% 97%
Bridger 85% 5% 172% 49% 75% 88%
Missouri Mainstem Basins 85% -14% 175% 49% 75% 88%
Missouri Mainstem 76% -21% 149% 51% 72% 95%
Smith-Judith-Musselshell 89% -8% 186% 48% 76% 85%
Smith 88% -15% 174% 51% 77% 87%
Judith 96% -7% 193% 50% 85% 88%
Musselshell 77% 6% 188% 41% 62% 80%
Sun-Teton-Marias 89% -19% 168% 53% 80% 90%
Sun 87% -18% 170% 51% 81% 93%
Teton 80% -25% 189% 43% 68% 85%
Marias 88% -18% 154% 57% 82% 93%
St. Mary & Milk Basin 104% -8% 168% 62% 87% 84%
St. Mary 102% -13% 162% 63% 89% 88%
Milk River Basin 184% 184% 422% 44% 52% 28%
Bearpaw Mountains 184% 184% 422% 44% 52% 28%
Yellowstone River Basin 72% -7% 142% 51% 70% 97%
Upper Yellowstone 82% -3% 148% 56% 78% 95%
Yellowstone ab Livingston 84% -6% 150% 56% 81% 97%
Shields 87% 12% 164% 53% 77% 89%
Boulder-Stillwater 73% -6% 152% 48% 70% 95%
Red Lodge-Rock Creek 62% -8% 99% 62% 53% 87%
Clark's Fork 88% -5% 145% 61% 86% 98%
Lower Yellowstone 61% -12% 136% 45% 60% 99%
Wind River 48% -13% 126% 38% 47% 98%
Shoshone River 74% -7% 136% 54% 73% 99%
Bighorn River 73% -8% 141% 51% 72% 99%
Little Bighorn 86% -9% 130% 66% 86% 100%
Tongue River 66% -19% 140% 47% 64% 97%
Powder River 46% -15% 152% 30% 44% 96%
Montana State 87% -8% 155% 56% 79% 91%
Montana Watersheds 82% -9% 152% 54% 76% 92%

April 23, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 106% -1% 148% 72% 100% 94%
Kootenai ab Bonners Ferry 128% 2% 155% 82% 122% 96%
Kootenai in Montana 128% 2% 155% 82% 122% 96%
Kootenai Mainstem 128% 2% 144% 89% 126% 98%
Tobacco 114% 0% 169% 67% 108% 94%
Fisher 91% -8% 174% 52% 74% 82%
Yaak 154% 4% 166% 92% 143% 93%
Clark Fk ab Pend Orielle 102% -1% 149% 69% 96% 94%
Clark Fork River Basin 101% -2% 142% 71% 96% 95%
Upper Clark Fork Basin 94% -1% 139% 68% 90% 96%
Flint Creek 65% -12% 148% 44% 58% 89%
Rock Creek 85% -9% 124% 69% 85% 99%
Clark Fork ab Blackfoot 92% -6% 134% 69% 91% 99%
Blackfoot 100% 5% 147% 68% 92% 92%
Clark Fork ab Flint Creek 102% -4% 133% 77% 102% 100%
Bitterroot River Basin 92% -7% 131% 70% 85% 93%
West Fork Bitterroot 86% -8% 129% 67% 83% 96%
East Side Bitterroot 83% -10% 134% 62% 79% 95%
West Side Bitterroot 99% -6% 130% 77% 91% 91%
Flathead River Basin 106% 2% 160% 66% 100% 94%
Flathead in Montana 106% 2% 160% 66% 100% 94%
NF Flathead in Montana 115% 1% 161% 71% 107% 93%
MF Flathead 114% 4% 141% 81% 110% 96%
SF Flathead 94% 2% 170% 55% 90% 96%
Stillwater-Whitefish 91% -8% 174% 52% 74% 82%
Swan 97% 3% 156% 62% 94% 97%
Mission Valley 106% 8% 181% 59% 101% 95%
Jocko 106% 4% 150% 71% 101% 95%
Lower Clark Fork Basin 111% -1% 148% 75% 104% 94%
East of Divide 83% -5% 137% 61% 81% 97%
Missouri River Basin 87% -5% 139% 62% 83% 96%
Missouri Headwaters 82% -6% 131% 62% 80% 98%
Jefferson River Basin 76% -9% 127% 60% 74% 97%
Beaverhead 74% -9% 132% 56% 72% 97%
Ruby 78% -6% 108% 73% 78% 99%
Bighole 77% -6% 131% 59% 75% 97%
Boulder 84% -12% 131% 64% 83% 99%
Madison River Basin 89% -3% 126% 70% 88% 99%
Madison abv Hebgen Lake 94% -3% 139% 67% 89% 95%
Madison blw Hebgen Lake 86% -3% 118% 72% 85% 99%
Gallatin River Basin 87% -2% 135% 64% 86% 99%
Upper Gallatin 89% -3% 133% 67% 88% 99%
Hyalite 89% 0% 127% 70% 88% 99%
Bridger 80% -3% 146% 55% 78% 97%
Missouri Mainstem Basins 99% -4% 156% 63% 92% 93%
Missouri Mainstem 97% -11% 135% 72% 95% 98%
Smith-Judith-Musselshell 97% -2% 162% 60% 88% 91%
Smith 103% -3% 153% 67% 95% 92%
Judith 103% -1% 171% 60% 96% 93%
Musselshell 71% 4% 157% 45% 62% 88%
Sun-Teton-Marias 108% -1% 153% 71% 102% 94%
Sun 105% -6% 157% 67% 102% 97%
Teton 105% -5% 169% 62% 95% 91%
Marias 106% 2% 141% 75% 101% 95%
St. Mary & Milk Basin 112% 2% 163% 69% 99% 88%
St. Mary 115% 0% 154% 75% 106% 92%
Milk River Basin 0% -7% 484% 0% 0% 34%
Bearpaw Mountains 0% -7% 484% 0% 0% 34%
Yellowstone River Basin 79% -3% 135% 59% 78% 98%
Upper Yellowstone 85% -1% 140% 61% 82% 97%
Yellowstone ab Livingston 89% -2% 143% 62% 88% 99%
Shields 75% 0% 141% 53% 72% 95%
Boulder-Stillwater 79% -4% 148% 54% 76% 96%
Red Lodge-Rock Creek 70% 1% 98% 71% 63% 90%
Clark's Fork 93% -1% 139% 67% 92% 99%
Lower Yellowstone 73% -4% 130% 56% 72% 99%
Wind River 61% -7% 125% 49% 60% 99%
Shoshone River 81% -1% 134% 60% 80% 99%
Bighorn River 81% -2% 136% 60% 80% 99%
Little Bighorn 95% -4% 123% 78% 93% 97%
Tongue River 85% -2% 126% 67% 84% 99%
Powder River 61% -7% 138% 44% 60% 98%
Montana State 95% -2% 143% 66% 90% 95%
Montana Watersheds 91% -3% 141% 64% 87% 96%

April 16, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 105% -6% 136% 77% 104% 99%
Kootenai ab Bonners Ferry 126% -5% 145% 87% 125% 100%
Kootenai in Montana 126% -5% 145% 87% 125% 100%
Kootenai Mainstem 126% -9% 136% 92% 126% 100%
Tobacco 114% -1% 157% 72% 112% 99%
Fisher 99% -11% 141% 70% 95% 97%
Yaak 150% -1% 154% 98% 148% 99%
Clark Fk ab Pend Orielle 102% -5% 137% 74% 101% 99%
Clark Fork River Basin 100% -6% 132% 76% 99% 99%
Upper Clark Fork Basin 91% -6% 128% 71% 90% 99%
Flint Creek 78% -13% 133% 58% 74% 96%
Rock Creek 94% -5% 119% 79% 94% 100%
Clark Fork ab Blackfoot 98% -5% 126% 78% 98% 100%
Blackfoot 88% -8% 131% 67% 86% 97%
Clark Fork ab Flint Creek 106% -2% 126% 84% 105% 99%
Bitterroot River Basin 99% -7% 122% 81% 97% 98%
West Fork Bitterroot 94% -4% 122% 77% 94% 100%
East Side Bitterroot 93% -6% 126% 74% 92% 99%
West Side Bitterroot 105% -7% 121% 87% 103% 97%
Flathead River Basin 104% -3% 147% 70% 103% 99%
Flathead in Montana 104% -3% 147% 70% 103% 99%
NF Flathead in Montana 114% -2% 149% 77% 112% 98%
MF Flathead 110% -3% 130% 85% 110% 100%
SF Flathead 92% -1% 157% 59% 92% 99%
Stillwater-Whitefish 99% -11% 141% 70% 95% 97%
Swan 94% -4% 150% 63% 94% 100%
Mission Valley 98% -8% 165% 59% 98% 99%
Jocko 102% -1% 142% 72% 101% 99%
Lower Clark Fork Basin 112% -4% 138% 81% 111% 99%
East of Divide 87% -4% 125% 70% 87% 100%
Missouri River Basin 92% -5% 126% 73% 92% 100%
Missouri Headwaters 88% -4% 123% 71% 87% 100%
Jefferson River Basin 85% -6% 119% 71% 85% 100%
Beaverhead 83% -6% 125% 66% 83% 100%
Ruby 84% -5% 100% 84% 84% 99%
Bighole 83% -7% 124% 67% 83% 99%
Boulder 96% -6% 119% 80% 96% 100%
Madison River Basin 91% -3% 120% 76% 91% 100%
Madison abv Hebgen Lake 97% -2% 131% 74% 96% 99%
Madison blw Hebgen Lake 86% -5% 113% 77% 85% 98%
Gallatin River Basin 86% -3% 124% 69% 86% 100%
Upper Gallatin 87% -6% 127% 69% 85% 98%
Hyalite 89% 0% 114% 78% 88% 99%
Bridger 83% 0% 131% 64% 83% 100%
Missouri Mainstem Basins 103% -5% 133% 77% 102% 99%
Missouri Mainstem 108% -6% 122% 88% 108% 100%
Smith-Judith-Musselshell 99% -4% 133% 75% 98% 99%
Smith 106% -3% 130% 82% 105% 99%
Judith 104% -2% 140% 74% 103% 99%
Musselshell 67% -6% 118% 56% 66% 98%
Sun-Teton-Marias 109% -6% 135% 81% 109% 100%
Sun 111% -5% 143% 78% 111% 100%
Teton 110% -5% 144% 76% 108% 99%
Marias 104% -6% 126% 83% 104% 100%
St. Mary & Milk Basin 110% -2% 147% 75% 105% 95%
St. Mary 115% -3% 141% 81% 112% 97%
Milk River Basin 7% -15% 272% 3% 4% 60%
Bearpaw Mountains 7% -15% 272% 3% 4% 60%
Yellowstone River Basin 82% -3% 124% 66% 82% 100%
Upper Yellowstone 86% -4% 128% 67% 86% 100%
Yellowstone ab Livingston 91% -4% 133% 68% 91% 100%
Shields 75% -1% 123% 61% 75% 100%
Boulder-Stillwater 83% -7% 140% 59% 82% 99%
Red Lodge-Rock Creek 69% 6% 76% 90% 68% 100%
Clark's Fork 94% -4% 132% 72% 94% 100%
Lower Yellowstone 77% -3% 120% 64% 77% 100%
Wind River 68% -4% 119% 57% 68% 100%
Shoshone River 82% -5% 124% 66% 82% 100%
Bighorn River 83% -5% 125% 67% 83% 100%
Little Bighorn 99% 0% 116% 85% 94% 96%
Tongue River 87% -1% 112% 77% 87% 100%
Powder River 68% -5% 124% 54% 68% 100%
Montana State 97% -5% 131% 74% 96% 99%
Montana Watersheds 94% -4% 130% 72% 93% 100%

April 9, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 111% 0% 130% 85% 111% 100%
Kootenai ab Bonners Ferry 131% 0% 136% 96% 131% 100%
Kootenai in Montana 131% 0% 136% 96% 131% 100%
Kootenai Mainstem 135% 0% 128% 105% 133% 99%
Tobacco 115% 2% 149% 77% 115% 100%
Fisher 110% 0% 136% 81% 109% 100%
Yaak 151% 1% 144% 105% 150% 100%
Clark Fk ab Pend Orielle 107% -1% 131% 82% 107% 100%
Clark Fork River Basin 106% -1% 127% 84% 106% 100%
Upper Clark Fork Basin 97% -1% 124% 78% 96% 100%
Flint Creek 91% -2% 122% 74% 91% 100%
Rock Creek 99% -1% 115% 86% 97% 98%
Clark Fork ab Blackfoot 103% 0% 122% 84% 101% 99%
Blackfoot 96% 0% 127% 75% 95% 100%
Clark Fork ab Flint Creek 109% 2% 124% 88% 104% 96%
Bitterroot River Basin 106% 1% 116% 91% 106% 100%
West Fork Bitterroot 98% -1% 117% 84% 98% 100%
East Side Bitterroot 99% -2% 121% 82% 98% 100%
West Side Bitterroot 112% 2% 115% 98% 112% 100%
Flathead River Basin 107% -1% 141% 76% 107% 100%
Flathead in Montana 107% -1% 141% 76% 107% 100%
NF Flathead in Montana 116% 0% 140% 83% 116% 100%
MF Flathead 113% -1% 125% 91% 112% 99%
SF Flathead 93% -2% 153% 61% 92% 99%
Stillwater-Whitefish 110% 0% 136% 81% 109% 100%
Swan 98% -2% 145% 68% 97% 99%
Mission Valley 106% -3% 159% 67% 105% 98%
Jocko 103% 0% 137% 75% 102% 100%
Lower Clark Fork Basin 116% -1% 132% 88% 116% 100%
East of Divide 92% 0% 122% 75% 90% 99%
Missouri River Basin 97% 0% 123% 79% 96% 99%
Missouri Headwaters 92% 0% 120% 77% 91% 99%
Jefferson River Basin 91% 0% 115% 79% 90% 99%
Beaverhead 89% 0% 120% 74% 88% 99%
Ruby 88% 4% 100% 89% 85% 97%
Bighole 90% -2% 119% 76% 90% 99%
Boulder 102% 2% 117% 87% 99% 97%
Madison River Basin 94% 1% 118% 80% 93% 99%
Madison abv Hebgen Lake 99% 2% 129% 77% 99% 100%
Madison blw Hebgen Lake 91% 1% 111% 82% 87% 95%
Gallatin River Basin 90% 0% 123% 73% 87% 97%
Upper Gallatin 93% -2% 124% 75% 89% 95%
Hyalite 90% 2% 112% 80% 86% 96%
Bridger 83% -1% 130% 64% 80% 97%
Missouri Mainstem Basins 108% 0% 130% 83% 107% 99%
Missouri Mainstem 114% 1% 120% 95% 111% 98%
Smith-Judith-Musselshell 103% -1% 129% 80% 101% 99%
Smith 109% -2% 126% 87% 108% 99%
Judith 106% 0% 135% 78% 104% 99%
Musselshell 73% 0% 115% 63% 72% 98%
Sun-Teton-Marias 115% -1% 131% 88% 114% 99%
Sun 116% 0% 141% 82% 114% 99%
Teton 115% -1% 142% 81% 114% 99%
Marias 110% -2% 122% 91% 108% 98%
St. Mary & Milk Basin 112% 2% 138% 81% 111% 99%
St. Mary 118% 0% 133% 89% 117% 100%
Milk River Basin 22% 22% 224% 10% 17% 81%
Bearpaw Mountains 22% 22% 224% 10% 17% 81%
Yellowstone River Basin 85% -1% 122% 70% 84% 98%
Upper Yellowstone 90% 0% 127% 71% 88% 98%
Yellowstone ab Livingston 95% 1% 131% 73% 94% 99%
Shields 76% -3% 122% 62% 74% 97%
Boulder-Stillwater 90% 0% 141% 64% 88% 98%
Red Lodge-Rock Creek 63% 2% 83% 76% 61% 97%
Clark's Fork 98% 1% 130% 76% 97% 98%
Lower Yellowstone 80% -2% 117% 69% 79% 98%
Wind River 72% -2% 116% 63% 72% 99%
Shoshone River 87% -2% 122% 72% 86% 98%
Bighorn River 88% -2% 121% 72% 86% 98%
Little Bighorn 99% -2% 114% 87% 90% 91%
Tongue River 88% -1% 110% 80% 85% 96%
Powder River 73% -5% 119% 61% 71% 97%
Montana State 102% 0% 127% 80% 101% 99%
Montana Watersheds 98% -1% 125% 78% 98% 99%

April 2, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 111% 1% 123% 90% 110% 99%
Kootenai ab Bonners Ferry 131% 8% 131% 100% 131% 100%
Kootenai in Montana 131% 8% 131% 100% 131% 100%
Kootenai Mainstem 135% 8% 123% 110% 135% 100%
Tobacco 113% 5% 141% 80% 113% 100%
Fisher 109% 2% 131% 84% 109% 100%
Yaak 150% 11% 137% 109% 149% 99%
Clark Fk ab Pend Orielle 108% 0% 124% 87% 106% 99%
Clark Fork River Basin 107% -1% 119% 90% 105% 98%
Upper Clark Fork Basin 97% -5% 116% 84% 95% 98%
Flint Creek 91% -16% 110% 83% 89% 98%
Rock Creek 99% -4% 108% 92% 93% 94%
Clark Fork ab Blackfoot 102% -5% 113% 90% 97% 95%
Blackfoot 96% -4% 119% 81% 96% 100%
Clark Fork ab Flint Creek 107% -2% 115% 93% 98% 91%
Bitterroot River Basin 105% -2% 108% 97% 105% 99%
West Fork Bitterroot 99% -1% 111% 90% 98% 98%
East Side Bitterroot 101% -2% 113% 89% 99% 98%
West Side Bitterroot 110% -1% 105% 104% 109% 100%
Flathead River Basin 108% 2% 136% 79% 107% 99%
Flathead in Montana 108% 2% 136% 79% 107% 99%
NF Flathead in Montana 116% 4% 134% 87% 116% 100%
MF Flathead 114% 3% 119% 96% 111% 97%
SF Flathead 95% 0% 150% 64% 93% 97%
Stillwater-Whitefish 109% 2% 131% 84% 109% 100%
Swan 100% 1% 141% 71% 97% 97%
Mission Valley 108% 2% 158% 69% 104% 96%
Jocko 103% 3% 132% 78% 101% 98%
Lower Clark Fork Basin 117% 3% 126% 93% 116% 99%
East of Divide 92% -4% 115% 80% 88% 96%
Missouri River Basin 96% -2% 116% 83% 92% 96%
Missouri Headwaters 91% 0% 113% 81% 87% 96%
Jefferson River Basin 90% 0% 108% 83% 86% 96%
Beaverhead 89% 4% 114% 78% 85% 96%
Ruby 83% 3% 94% 88% 77% 93%
Bighole 91% -2% 111% 83% 88% 96%
Boulder 99% -8% 106% 94% 92% 92%
Madison River Basin 92% 1% 112% 82% 88% 96%
Madison abv Hebgen Lake 97% 1% 120% 81% 96% 99%
Madison blw Hebgen Lake 89% 3% 107% 83% 81% 92%
Gallatin River Basin 89% -1% 118% 76% 83% 93%
Upper Gallatin 93% 1% 121% 76% 85% 92%
Hyalite 87% -3% 104% 84% 81% 93%
Bridger 86% 1% 125% 69% 79% 91%
Missouri Mainstem Basins 108% -5% 121% 89% 104% 97%
Missouri Mainstem 113% -4% 111% 102% 106% 94%
Smith-Judith-Musselshell 104% -9% 123% 84% 99% 96%
Smith 110% -7% 121% 91% 106% 96%
Judith 106% -9% 129% 82% 101% 96%
Musselshell 73% -17% 107% 68% 70% 96%
Sun-Teton-Marias 116% 2% 123% 94% 112% 97%
Sun 116% -1% 133% 88% 112% 96%
Teton 116% 3% 132% 87% 114% 99%
Marias 112% 3% 114% 98% 107% 95%
St. Mary & Milk Basin 110% -1% 131% 84% 110% 100%
St. Mary 118% 3% 127% 93% 118% 100%
Milk River Basin 0% -68% 176% 0% 0% 94%
Bearpaw Mountains 0% -68% 176% 0% 0% 94%
Yellowstone River Basin 86% -8% 114% 76% 82% 95%
Upper Yellowstone 90% -3% 119% 76% 86% 95%
Yellowstone ab Livingston 94% -2% 120% 78% 91% 96%
Shields 80% -3% 118% 68% 74% 93%
Boulder-Stillwater 90% -5% 136% 66% 85% 95%
Red Lodge-Rock Creek 61% -18% 78% 78% 57% 94%
Clark's Fork 97% -1% 122% 79% 93% 96%
Lower Yellowstone 82% -12% 108% 76% 78% 95%
Wind River 74% -9% 103% 72% 72% 97%
Shoshone River 89% -4% 112% 80% 85% 96%
Bighorn River 90% -10% 113% 80% 85% 94%
Little Bighorn 101% -6% 111% 91% 87% 86%
Tongue River 89% -16% 106% 84% 82% 92%
Powder River 79% -25% 115% 69% 73% 92%
Montana State 101% -1% 120% 84% 99% 97%
Montana Watersheds 98% -3% 118% 83% 95% 97%

March 26, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 110% 4% 119% 93% 106% 96%
Kootenai ab Bonners Ferry 123% 5% 125% 99% 118% 96%
Kootenai in Montana 123% 5% 125% 99% 118% 96%
Kootenai Mainstem 127% 7% 118% 107% 120% 95%
Tobacco 108% 3% 134% 81% 106% 98%
Fisher 107% 12% 133% 80% 104% 98%
Yaak 139% 5% 128% 109% 135% 97%
Clark Fk ab Pend Orielle 108% 4% 120% 90% 104% 97%
Clark Fork River Basin 108% 4% 115% 94% 104% 96%
Upper Clark Fork Basin 102% 3% 111% 91% 96% 95%
Flint Creek 107% 2% 113% 95% 101% 94%
Rock Creek 103% 1% 106% 97% 93% 90%
Clark Fork ab Blackfoot 107% 2% 111% 96% 97% 91%
Blackfoot 100% 4% 113% 89% 99% 98%
Clark Fork ab Flint Creek 109% 3% 112% 97% 94% 87%
Bitterroot River Basin 107% 2% 107% 100% 104% 98%
West Fork Bitterroot 99% -2% 107% 93% 95% 96%
East Side Bitterroot 102% -1% 109% 94% 98% 96%
West Side Bitterroot 111% 4% 105% 105% 109% 98%
Flathead River Basin 106% 5% 131% 81% 102% 96%
Flathead in Montana 106% 5% 131% 81% 102% 96%
NF Flathead in Montana 112% 4% 128% 88% 110% 98%
MF Flathead 111% 4% 114% 97% 105% 95%
SF Flathead 95% 5% 144% 66% 90% 94%
Stillwater-Whitefish 107% 12% 133% 80% 104% 98%
Swan 99% 5% 136% 73% 93% 94%
Mission Valley 106% 6% 155% 68% 98% 93%
Jocko 100% 4% 125% 80% 96% 96%
Lower Clark Fork Basin 114% 6% 122% 94% 111% 97%
East of Divide 96% -3% 113% 85% 88% 92%
Missouri River Basin 97% -1% 115% 85% 90% 92%
Missouri Headwaters 91% -2% 112% 81% 83% 92%
Jefferson River Basin 90% -2% 108% 83% 82% 92%
Beaverhead 85% -3% 113% 76% 78% 92%
Ruby 79% -3% 96% 83% 70% 88%
Bighole 93% -2% 109% 85% 86% 93%
Boulder 107% 0% 107% 100% 93% 87%
Madison River Basin 90% -3% 113% 80% 83% 92%
Madison abv Hebgen Lake 96% -3% 121% 80% 92% 96%
Madison blw Hebgen Lake 86% -3% 107% 80% 75% 87%
Gallatin River Basin 90% -2% 117% 77% 79% 88%
Upper Gallatin 92% -2% 121% 76% 81% 88%
Hyalite 90% -3% 106% 85% 78% 87%
Bridger 85% -4% 119% 72% 74% 87%
Missouri Mainstem Basins 113% 3% 119% 95% 105% 93%
Missouri Mainstem 117% 1% 108% 109% 106% 90%
Smith-Judith-Musselshell 112% 0% 121% 93% 103% 92%
Smith 116% -1% 119% 98% 106% 92%
Judith 115% 1% 126% 92% 106% 92%
Musselshell 90% -2% 107% 84% 83% 93%
Sun-Teton-Marias 114% 6% 119% 96% 106% 93%
Sun 116% 5% 130% 89% 106% 91%
Teton 113% 7% 129% 88% 108% 96%
Marias 109% 5% 109% 100% 100% 92%
St. Mary & Milk Basin 111% 8% 125% 89% 110% 99%
St. Mary 115% 5% 122% 94% 113% 98%
Milk River Basin 68% 50% 162% 42% 68% 100%
Bearpaw Mountains 68% 50% 162% 42% 68% 100%
Yellowstone River Basin 94% -6% 112% 84% 85% 91%
Upper Yellowstone 94% -3% 117% 80% 86% 92%
Yellowstone ab Livingston 96% -2% 119% 81% 89% 93%
Shields 83% -5% 114% 73% 74% 88%
Boulder-Stillwater 95% -5% 135% 70% 86% 90%
Red Lodge-Rock Creek 79% -8% 89% 89% 68% 87%
Clark's Fork 98% -2% 118% 83% 91% 93%
Lower Yellowstone 94% -7% 106% 88% 84% 90%
Wind River 83% -7% 103% 81% 77% 93%
Shoshone River 93% -4% 109% 86% 86% 92%
Bighorn River 99% -7% 109% 91% 90% 90%
Little Bighorn 107% -5% 104% 103% 87% 82%
Tongue River 104% -13% 101% 103% 89% 86%
Powder River 102% -12% 113% 91% 89% 87%
Montana State 102% 1% 118% 87% 96% 94%
Montana Watersheds 101% -1% 116% 87% 95% 94%

March 19, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 106% 6% 119% 89% 99% 94%
Kootenai ab Bonners Ferry 118% 10% 124% 95% 110% 93%
Kootenai in Montana 118% 10% 124% 95% 110% 93%
Kootenai Mainstem 121% 12% 118% 102% 111% 92%
Tobacco 105% 5% 134% 78% 100% 95%
Fisher 95% 5% 131% 72% 90% 95%
Yaak 134% 15% 128% 105% 126% 94%
Clark Fk ab Pend Orielle 104% 4% 120% 87% 97% 94%
Clark Fork River Basin 104% 5% 115% 90% 97% 93%
Upper Clark Fork Basin 99% 4% 112% 88% 91% 92%
Flint Creek 105% 5% 109% 96% 95% 90%
Rock Creek 102% 5% 107% 96% 88% 86%
Clark Fork ab Blackfoot 105% 6% 111% 95% 91% 87%
Blackfoot 96% 3% 114% 84% 93% 97%
Clark Fork ab Flint Creek 106% 7% 112% 95% 88% 83%
Bitterroot River Basin 105% 1% 107% 99% 100% 95%
West Fork Bitterroot 101% 4% 107% 95% 94% 93%
East Side Bitterroot 103% 4% 110% 94% 95% 92%
West Side Bitterroot 107% 0% 105% 101% 103% 96%
Flathead River Basin 101% 4% 130% 77% 95% 94%
Flathead in Montana 101% 4% 130% 77% 95% 94%
NF Flathead in Montana 108% 7% 128% 84% 103% 96%
MF Flathead 107% 6% 115% 93% 99% 92%
SF Flathead 90% 4% 144% 62% 82% 91%
Stillwater-Whitefish 95% 5% 131% 72% 90% 95%
Swan 94% 2% 136% 70% 86% 91%
Mission Valley 100% 4% 153% 65% 90% 90%
Jocko 96% 3% 124% 77% 90% 93%
Lower Clark Fork Basin 108% 5% 121% 89% 102% 95%
East of Divide 99% 2% 112% 88% 87% 88%
Missouri River Basin 98% 6% 114% 86% 87% 88%
Missouri Headwaters 93% 9% 112% 84% 82% 88%
Jefferson River Basin 92% 8% 107% 86% 81% 88%
Beaverhead 88% 10% 110% 80% 77% 88%
Ruby 82% 6% 95% 86% 69% 84%
Bighole 95% 6% 109% 87% 84% 89%
Boulder 107% 6% 108% 99% 88% 82%
Madison River Basin 93% 11% 112% 83% 82% 88%
Madison abv Hebgen Lake 99% 11% 119% 83% 92% 93%
Madison blw Hebgen Lake 89% 12% 107% 83% 74% 83%
Gallatin River Basin 92% 9% 117% 79% 77% 84%
Upper Gallatin 94% 16% 122% 77% 79% 84%
Hyalite 93% -2% 104% 89% 76% 81%
Bridger 89% 8% 119% 74% 74% 83%
Missouri Mainstem Basins 110% 2% 118% 94% 98% 89%
Missouri Mainstem 116% 5% 108% 107% 100% 86%
Smith-Judith-Musselshell 112% 3% 119% 94% 98% 88%
Smith 117% 5% 119% 98% 102% 88%
Judith 114% 3% 124% 92% 101% 88%
Musselshell 92% 7% 102% 90% 82% 89%
Sun-Teton-Marias 108% 0% 118% 92% 98% 90%
Sun 111% -2% 130% 85% 98% 88%
Teton 106% -2% 126% 85% 100% 94%
Marias 104% 2% 108% 96% 93% 89%
St. Mary & Milk Basin 103% 4% 126% 82% 100% 97%
St. Mary 110% 8% 123% 89% 106% 97%
Milk River Basin 18% -44% 156% 11% 17% 98%
Bearpaw Mountains 18% -44% 156% 11% 17% 98%
Yellowstone River Basin 100% -1% 111% 90% 87% 87%
Upper Yellowstone 97% 2% 115% 84% 85% 88%
Yellowstone ab Livingston 98% 2% 117% 84% 88% 89%
Shields 88% 6% 112% 79% 74% 84%
Boulder-Stillwater 100% 6% 131% 76% 87% 87%
Red Lodge-Rock Creek 87% -12% 84% 104% 71% 82%
Clark's Fork 100% 2% 117% 86% 90% 90%
Lower Yellowstone 101% -5% 106% 96% 88% 86%
Wind River 90% -3% 104% 87% 80% 89%
Shoshone River 97% 0% 108% 89% 86% 89%
Bighorn River 106% -3% 108% 97% 91% 86%
Little Bighorn 112% -4% 106% 105% 87% 77%
Tongue River 117% -12% 103% 113% 95% 82%
Powder River 114% -10% 109% 104% 94% 83%
Montana State 101% 5% 117% 87% 92% 91%
Montana Watersheds 102% 4% 115% 88% 92% 90%

March 13, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 101% -1% 117% 87% 91% 91%
Kootenai ab Bonners Ferry 109% 1% 122% 90% 99% 91%
Kootenai in Montana 109% 1% 122% 90% 99% 91%
Kootenai Mainstem 111% 1% 116% 96% 99% 89%
Tobacco 100% 0% 132% 76% 92% 92%
Fisher 90% -3% 127% 71% 82% 91%
Yaak 121% 3% 123% 98% 111% 91%
Clark Fk ab Pend Orielle 100% -1% 118% 85% 90% 91%
Clark Fork River Basin 99% -2% 113% 87% 89% 90%
Upper Clark Fork Basin 94% -3% 110% 85% 83% 88%
Flint Creek 100% -2% 106% 94% 86% 86%
Rock Creek 96% -2% 103% 94% 79% 82%
Clark Fork ab Blackfoot 99% -2% 108% 92% 82% 82%
Blackfoot 93% -3% 113% 82% 87% 93%
Clark Fork ab Flint Creek 99% -1% 109% 91% 78% 78%
Bitterroot River Basin 104% -1% 104% 100% 95% 92%
West Fork Bitterroot 97% -1% 104% 93% 87% 90%
East Side Bitterroot 99% -2% 107% 93% 87% 88%
West Side Bitterroot 107% -1% 102% 105% 100% 94%
Flathead River Basin 97% -2% 126% 77% 88% 91%
Flathead in Montana 97% -2% 126% 77% 88% 91%
NF Flathead in Montana 102% 0% 126% 81% 95% 93%
MF Flathead 101% -1% 102% 99% 90% 89%
SF Flathead 87% -3% 144% 60% 76% 88%
Stillwater-Whitefish 90% -3% 127% 71% 82% 91%
Swan 92% -2% 135% 68% 81% 88%
Mission Valley 96% -2% 152% 63% 83% 87%
Jocko 93% -2% 124% 75% 84% 90%
Lower Clark Fork Basin 103% -1% 119% 86% 95% 92%
East of Divide 97% -1% 108% 89% 81% 84%
Missouri River Basin 92% -1% 110% 83% 77% 84%
Missouri Headwaters 85% -1% 105% 80% 71% 84%
Jefferson River Basin 84% -1% 102% 83% 70% 83%
Beaverhead 78% -1% 104% 75% 65% 83%
Ruby 76% 0% 91% 84% 61% 80%
Bighole 89% -1% 106% 84% 75% 85%
Boulder 101% 0% 108% 93% 77% 77%
Madison River Basin 82% 0% 104% 78% 69% 85%
Madison abv Hebgen Lake 88% 0% 108% 81% 79% 90%
Madison blw Hebgen Lake 77% -1% 101% 77% 62% 80%
Gallatin River Basin 84% -1% 110% 76% 67% 80%
Upper Gallatin 79% -1% 114% 69% 63% 80%
Hyalite 95% -2% 100% 94% 73% 77%
Bridger 83% 0% 112% 75% 65% 79%
Missouri Mainstem Basins 108% -2% 120% 90% 92% 85%
Missouri Mainstem 111% -1% 107% 104% 90% 82%
Smith-Judith-Musselshell 108% -2% 118% 91% 91% 84%
Smith 112% -1% 117% 95% 94% 84%
Judith 110% -3% 125% 88% 93% 84%
Musselshell 85% -4% 101% 84% 72% 85%
Sun-Teton-Marias 108% -1% 120% 90% 94% 87%
Sun 112% -3% 134% 84% 94% 84%
Teton 107% -2% 128% 84% 97% 90%
Marias 102% -1% 104% 99% 88% 86%
St. Mary & Milk Basin 100% -1% 125% 80% 94% 95%
St. Mary 103% 0% 121% 85% 97% 94%
Milk River Basin 62% -13% 168% 37% 61% 99%
Bearpaw Mountains 62% -13% 168% 37% 61% 99%
Yellowstone River Basin 101% -2% 107% 95% 84% 83%
Upper Yellowstone 96% -1% 111% 86% 81% 85%
Yellowstone ab Livingston 96% -2% 112% 85% 83% 86%
Shields 84% 0% 106% 79% 67% 80%
Boulder-Stillwater 95% -2% 128% 75% 79% 83%
Red Lodge-Rock Creek 99% 0% 81% 122% 77% 78%
Clark's Fork 99% -1% 112% 88% 86% 87%
Lower Yellowstone 106% -2% 103% 103% 88% 83%
Wind River 93% -2% 103% 90% 80% 86%
Shoshone River 97% -1% 89% 109% 83% 86%
Bighorn River 109% -2% 101% 107% 90% 83%
Little Bighorn 115% -5% 108% 107% 85% 74%
Tongue River 128% -5% 104% 124% 99% 77%
Powder River 123% -4% 110% 111% 97% 79%
Montana State 97% -1% 113% 85% 85% 88%
Montana Watersheds 98% -2% 112% 88% 85% 87%

March 5, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 100% 1% 115% 87% 87% 87%
Kootenai ab Bonners Ferry 104% 1% 116% 90% 91% 87%
Kootenai in Montana 104% 1% 116% 90% 91% 87%
Kootenai Mainstem 105% 1% 111% 95% 90% 86%
Tobacco 98% 2% 124% 79% 87% 89%
Fisher 91% -1% 127% 72% 80% 88%
Yaak 111% -1% 117% 96% 98% 88%
Clark Fk ab Pend Orielle 100% 1% 117% 85% 87% 87%
Clark Fork River Basin 99% 0% 114% 87% 85% 86%
Upper Clark Fork Basin 96% 0% 113% 85% 81% 84%
Flint Creek 101% 0% 109% 93% 82% 82%
Rock Creek 97% 0% 104% 93% 75% 78%
Clark Fork ab Blackfoot 100% 0% 109% 92% 78% 78%
Blackfoot 95% -1% 116% 82% 85% 90%
Clark Fork ab Flint Creek 100% -1% 110% 91% 74% 74%
Bitterroot River Basin 104% 2% 104% 100% 91% 88%
West Fork Bitterroot 97% 1% 105% 93% 83% 86%
East Side Bitterroot 99% 0% 108% 92% 84% 84%
West Side Bitterroot 107% 1% 102% 105% 97% 91%
Flathead River Basin 97% 2% 125% 78% 84% 87%
Flathead in Montana 97% 2% 125% 78% 84% 87%
NF Flathead in Montana 99% 3% 120% 82% 89% 90%
MF Flathead 99% 4% 98% 101% 85% 85%
SF Flathead 90% 3% 149% 61% 75% 83%
Stillwater-Whitefish 91% -1% 127% 72% 80% 88%
Swan 95% 3% 138% 69% 79% 84%
Mission Valley 99% -1% 156% 63% 81% 82%
Jocko 94% 0% 127% 74% 80% 85%
Lower Clark Fork Basin 102% 0% 119% 86% 90% 88%
East of Divide 98% 2% 109% 90% 79% 80%
Missouri River Basin 92% 2% 111% 83% 74% 80%
Missouri Headwaters 86% 2% 106% 81% 68% 79%
Jefferson River Basin 86% 0% 103% 83% 68% 79%
Beaverhead 79% 1% 105% 76% 63% 79%
Ruby 76% 0% 92% 83% 57% 75%
Bighole 91% 0% 106% 85% 74% 81%
Boulder 102% -3% 109% 94% 74% 73%
Madison River Basin 82% 2% 105% 79% 66% 81%
Madison abv Hebgen Lake 88% 3% 108% 82% 76% 86%
Madison blw Hebgen Lake 78% 2% 102% 76% 59% 75%
Gallatin River Basin 85% 4% 112% 76% 64% 75%
Upper Gallatin 80% 4% 115% 70% 61% 76%
Hyalite 98% 2% 102% 96% 70% 72%
Bridger 83% 7% 114% 73% 62% 74%
Missouri Mainstem Basins 106% 2% 120% 88% 86% 82%
Missouri Mainstem 98% -2% 107% 92% 77% 78%
Smith-Judith-Musselshell 103% 2% 121% 85% 82% 80%
Smith 106% 2% 120% 89% 85% 80%
Judith 114% 2% 128% 89% 91% 80%
Musselshell 89% 0% 103% 86% 72% 80%
Sun-Teton-Marias 106% 2% 117% 90% 89% 84%
Sun 112% 0% 133% 84% 90% 81%
Teton 105% 0% 127% 83% 92% 88%
Marias 99% 5% 100% 99% 82% 83%
St. Mary & Milk Basin 98% 4% 121% 81% 90% 91%
St. Mary 100% 4% 117% 85% 90% 91%
Milk River Basin 77% 7% 175% 44% 74% 96%
Bearpaw Mountains 77% 7% 175% 44% 74% 96%
Yellowstone River Basin 104% 3% 108% 97% 82% 79%
Upper Yellowstone 98% 3% 111% 88% 78% 80%
Yellowstone ab Livingston 98% 1% 112% 88% 80% 82%
Shields 85% 6% 109% 78% 64% 75%
Boulder-Stillwater 98% 3% 128% 76% 77% 79%
Red Lodge-Rock Creek 102% -2% 85% 120% 74% 72%
Clark's Fork 101% 2% 112% 90% 84% 83%
Lower Yellowstone 109% 3% 103% 106% 85% 78%
Wind River 95% 3% 103% 93% 77% 81%
Shoshone River 98% 2% 88% 111% 80% 82%
Bighorn River 111% 3% 102% 110% 88% 79%
Little Bighorn 121% 3% 112% 108% 84% 70%
Tongue River 134% 1% 106% 126% 97% 73%
Powder River 129% 8% 115% 112% 95% 74%
Montana State 97% 2% 113% 85% 81% 84%
Montana Watersheds 99% 2% 112% 89% 82% 83%

February 27, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 99% 11% 111% 90% 82% 83%
Kootenai ab Bonners Ferry 103% 11% 107% 96% 86% 83%
Kootenai in Montana 103% 11% 107% 96% 86% 83%
Kootenai Mainstem 104% 9% 101% 103% 85% 82%
Tobacco 96% 18% 119% 80% 82% 86%
Fisher 93% 14% 117% 80% 78% 83%
Yaak 112% 5% 106% 106% 94% 84%
Clark Fk ab Pend Orielle 99% 12% 113% 87% 82% 83%
Clark Fork River Basin 99% 10% 110% 90% 81% 82%
Upper Clark Fork Basin 96% 11% 112% 86% 78% 80%
Flint Creek 101% 11% 106% 95% 78% 77%
Rock Creek 97% 11% 105% 92% 72% 74%
Clark Fork ab Blackfoot 100% 11% 109% 93% 75% 75%
Blackfoot 96% 11% 114% 84% 82% 86%
Clark Fork ab Flint Creek 101% 11% 110% 92% 71% 71%
Bitterroot River Basin 102% 13% 103% 99% 87% 85%
West Fork Bitterroot 96% 12% 104% 92% 79% 83%
East Side Bitterroot 99% 14% 108% 92% 80% 81%
West Side Bitterroot 106% 13% 101% 105% 92% 87%
Flathead River Basin 95% 12% 121% 79% 79% 83%
Flathead in Montana 95% 12% 121% 79% 79% 83%
NF Flathead in Montana 96% 14% 114% 84% 83% 87%
MF Flathead 95% 9% 91% 104% 78% 82%
SF Flathead 87% 16% 147% 59% 69% 80%
Stillwater-Whitefish 93% 14% 117% 80% 78% 83%
Swan 92% 15% 136% 68% 74% 81%
Mission Valley 100% 10% 152% 66% 78% 78%
Jocko 94% 12% 126% 75% 76% 81%
Lower Clark Fork Basin 102% 9% 112% 91% 85% 84%
East of Divide 96% 11% 108% 89% 73% 76%
Missouri River Basin 90% 10% 110% 82% 69% 76%
Missouri Headwaters 84% 9% 107% 79% 63% 75%
Jefferson River Basin 86% 10% 104% 83% 64% 75%
Beaverhead 78% 9% 106% 74% 59% 75%
Ruby 76% 5% 92% 82% 54% 72%
Bighole 91% 14% 107% 85% 71% 78%
Boulder 105% 9% 110% 95% 72% 69%
Madison River Basin 80% 7% 105% 76% 61% 76%
Madison abv Hebgen Lake 85% 8% 109% 78% 68% 81%
Madison blw Hebgen Lake 76% 6% 103% 74% 54% 72%
Gallatin River Basin 81% 11% 112% 72% 58% 72%
Upper Gallatin 76% 7% 115% 66% 55% 73%
Hyalite 96% 8% 104% 93% 66% 68%
Bridger 76% 21% 114% 67% 54% 71%
Missouri Mainstem Basins 104% 11% 117% 89% 82% 78%
Missouri Mainstem 100% -2% 107% 94% 75% 75%
Smith-Judith-Musselshell 101% 12% 123% 82% 78% 77%
Smith 104% 13% 122% 85% 80% 77%
Judith 112% 23% 131% 85% 86% 77%
Musselshell 89% 11% 104% 86% 68% 77%
Sun-Teton-Marias 104% 9% 106% 98% 84% 81%
Sun 112% 10% 119% 94% 88% 78%
Teton 105% 10% 115% 92% 89% 85%
Marias 94% 7% 91% 103% 75% 80%
St. Mary & Milk Basin 94% 12% 114% 82% 83% 88%
St. Mary 96% 11% 110% 87% 84% 88%
Milk River Basin 70% 26% 175% 40% 66% 94%
Bearpaw Mountains 70% 26% 175% 40% 66% 94%
Yellowstone River Basin 101% 12% 107% 94% 77% 76%
Upper Yellowstone 95% 11% 111% 86% 73% 77%
Yellowstone ab Livingston 97% 10% 112% 86% 75% 78%
Shields 79% 18% 111% 72% 57% 72%
Boulder-Stillwater 95% 17% 128% 74% 71% 76%
Red Lodge-Rock Creek 105% 1% 77% 137% 72% 68%
Clark's Fork 99% 12% 111% 89% 78% 79%
Lower Yellowstone 106% 12% 103% 102% 80% 75%
Wind River 92% 8% 103% 89% 72% 78%
Shoshone River 96% 9% 88% 109% 76% 79%
Bighorn River 108% 14% 102% 106% 81% 75%
Little Bighorn 118% 21% 113% 105% 80% 67%
Tongue River 133% 15% 106% 126% 92% 69%
Powder River 121% 17% 113% 108% 85% 70%
Montana State 95% 10% 111% 86% 76% 80%
Montana Watersheds 97% 11% 110% 89% 77% 79%

February 21, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 89% 0% 111% 80% 71% 80%
Kootenai ab Bonners Ferry 93% 0% 105% 89% 75% 80%
Kootenai in Montana 93% 0% 105% 89% 75% 80%
Kootenai Mainstem 95% 0% 99% 96% 75% 78%
Tobacco 81% 3% 118% 69% 67% 83%
Fisher 83% 3% 115% 72% 67% 81%
Yaak 107% -4% 101% 106% 86% 80%
Clark Fk ab Pend Orielle 88% -1% 114% 77% 70% 80%
Clark Fork River Basin 90% -1% 110% 81% 70% 79%
Upper Clark Fork Basin 86% -1% 113% 76% 66% 77%
Flint Creek 90% -3% 113% 80% 66% 74%
Rock Creek 86% -4% 106% 80% 61% 71%
Clark Fork ab Blackfoot 89% -3% 111% 80% 64% 71%
Blackfoot 86% 0% 115% 75% 71% 82%
Clark Fork ab Flint Creek 90% -2% 112% 80% 61% 68%
Bitterroot River Basin 89% -3% 104% 86% 73% 81%
West Fork Bitterroot 84% -2% 107% 78% 66% 79%
East Side Bitterroot 85% -5% 109% 78% 67% 78%
West Side Bitterroot 93% 0% 100% 92% 77% 84%
Flathead River Basin 84% 1% 121% 69% 67% 80%
Flathead in Montana 84% 1% 121% 69% 67% 80%
NF Flathead in Montana 83% 0% 112% 74% 70% 84%
MF Flathead 87% -1% 93% 93% 68% 79%
SF Flathead 73% 4% 151% 48% 55% 76%
Stillwater-Whitefish 83% 3% 115% 72% 67% 81%
Swan 79% 3% 137% 58% 61% 77%
Mission Valley 92% -1% 154% 60% 69% 74%
Jocko 83% 1% 126% 66% 64% 77%
Lower Clark Fork Basin 94% -1% 111% 85% 75% 80%
East of Divide 86% -2% 109% 79% 63% 73%
Missouri River Basin 81% -1% 111% 73% 59% 73%
Missouri Headwaters 76% 0% 109% 70% 54% 72%
Jefferson River Basin 77% -1% 106% 72% 55% 72%
Beaverhead 70% 0% 109% 64% 50% 71%
Ruby 72% 0% 95% 76% 49% 68%
Bighole 77% -3% 109% 71% 57% 74%
Boulder 97% -2% 112% 86% 63% 66%
Madison River Basin 74% 0% 105% 70% 54% 73%
Madison abv Hebgen Lake 78% -1% 106% 73% 60% 77%
Madison blw Hebgen Lake 71% 0% 104% 68% 48% 68%
Gallatin River Basin 72% 2% 115% 62% 49% 68%
Upper Gallatin 70% -1% 117% 60% 49% 69%
Hyalite 90% 3% 107% 84% 58% 65%
Bridger 58% 5% 119% 49% 39% 67%
Missouri Mainstem Basins 94% -2% 118% 80% 71% 75%
Missouri Mainstem 103% -2% 109% 94% 73% 71%
Smith-Judith-Musselshell 91% 1% 125% 73% 67% 73%
Smith 94% 2% 123% 76% 69% 74%
Judith 92% 1% 134% 69% 67% 73%
Musselshell 78% -3% 110% 71% 56% 72%
Sun-Teton-Marias 95% -4% 105% 91% 74% 78%
Sun 102% -4% 117% 87% 77% 75%
Teton 95% -4% 113% 84% 77% 81%
Marias 87% -4% 91% 95% 66% 76%
St. Mary & Milk Basin 83% 0% 114% 73% 71% 85%
St. Mary 86% -1% 108% 79% 72% 84%
Milk River Basin 51% 10% 182% 28% 46% 90%
Bearpaw Mountains 51% 10% 182% 28% 46% 90%
Yellowstone River Basin 90% -2% 108% 83% 65% 72%
Upper Yellowstone 85% -1% 111% 76% 62% 73%
Yellowstone ab Livingston 88% -2% 111% 79% 66% 75%
Shields 63% 3% 115% 55% 43% 68%
Boulder-Stillwater 78% -2% 129% 61% 57% 73%
Red Lodge-Rock Creek 104% -3% 78% 133% 67% 65%
Clark's Fork 88% -3% 111% 79% 67% 76%
Lower Yellowstone 94% -3% 104% 91% 67% 72%
Wind River 84% -3% 101% 83% 63% 75%
Shoshone River 87% -4% 87% 100% 66% 75%
Bighorn River 94% -3% 102% 92% 68% 72%
Little Bighorn 97% -1% 116% 84% 62% 64%
Tongue River 118% -3% 108% 109% 77% 66%
Powder River 104% -1% 116% 89% 69% 66%
Montana State 85% -1% 111% 77% 65% 76%
Montana Watersheds 87% -1% 110% 79% 66% 76%

February 13, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 90% -3% 111% 81% 66% 74%
Kootenai ab Bonners Ferry 93% -3% 105% 88% 69% 75%
Kootenai in Montana 93% -3% 105% 88% 69% 75%
Kootenai Mainstem 95% -5% 101% 95% 70% 73%
Tobacco 77% -2% 118% 65% 60% 77%
Fisher 80% 2% 110% 73% 61% 77%
Yaak 112% -4% 101% 111% 83% 75%
Clark Fk ab Pend Orielle 89% -3% 114% 78% 66% 74%
Clark Fork River Basin 92% -3% 111% 83% 67% 73%
Upper Clark Fork Basin 88% -3% 114% 77% 63% 71%
Flint Creek 95% -4% 111% 86% 65% 68%
Rock Creek 91% -3% 108% 84% 59% 65%
Clark Fork ab Blackfoot 93% -3% 112% 83% 62% 66%
Blackfoot 87% -3% 117% 74% 66% 76%
Clark Fork ab Flint Creek 93% -1% 112% 83% 59% 63%
Bitterroot River Basin 92% -4% 105% 88% 69% 75%
West Fork Bitterroot 88% -4% 110% 80% 64% 73%
East Side Bitterroot 90% -5% 112% 80% 65% 72%
West Side Bitterroot 94% -4% 100% 94% 73% 77%
Flathead River Basin 83% -2% 122% 68% 61% 74%
Flathead in Montana 83% -2% 122% 68% 61% 74%
NF Flathead in Montana 82% -4% 114% 72% 64% 78%
MF Flathead 88% -4% 94% 94% 63% 72%
SF Flathead 67% -1% 152% 44% 48% 71%
Stillwater-Whitefish 80% 2% 110% 73% 61% 77%
Swan 76% -1% 139% 55% 54% 71%
Mission Valley 92% 0% 150% 61% 63% 68%
Jocko 83% -3% 128% 65% 59% 72%
Lower Clark Fork Basin 95% -5% 110% 86% 71% 75%
East of Divide 88% -2% 111% 80% 60% 68%
Missouri River Basin 83% -2% 113% 73% 56% 67%
Missouri Headwaters 77% -1% 110% 69% 51% 66%
Jefferson River Basin 79% -2% 109% 72% 52% 66%
Beaverhead 71% -2% 113% 63% 47% 65%
Ruby 72% -1% 95% 76% 45% 63%
Bighole 80% -4% 114% 71% 55% 69%
Boulder 101% 0% 110% 91% 62% 62%
Madison River Basin 75% -2% 106% 71% 50% 67%
Madison abv Hebgen Lake 80% -3% 107% 75% 57% 71%
Madison blw Hebgen Lake 71% -2% 105% 68% 45% 63%
Gallatin River Basin 70% -1% 116% 61% 44% 63%
Upper Gallatin 71% -2% 117% 61% 45% 64%
Hyalite 87% 1% 110% 79% 52% 60%
Bridger 54% 1% 121% 44% 33% 62%
Missouri Mainstem Basins 97% -2% 118% 82% 67% 70%
Missouri Mainstem 106% -2% 109% 97% 71% 66%
Smith-Judith-Musselshell 91% 0% 128% 71% 62% 69%
Smith 93% 0% 124% 75% 65% 69%
Judith 91% -2% 136% 67% 63% 69%
Musselshell 82% 1% 115% 71% 54% 66%
Sun-Teton-Marias 100% -6% 103% 97% 71% 72%
Sun 106% -6% 111% 96% 75% 70%
Teton 100% -5% 107% 93% 76% 76%
Marias 91% -6% 92% 99% 63% 69%
St. Mary & Milk Basin 83% -4% 117% 71% 65% 79%
St. Mary 87% -4% 111% 78% 67% 78%
Milk River Basin 41% -2% 192% 21% 35% 85%
Bearpaw Mountains 41% -2% 192% 21% 35% 85%
Yellowstone River Basin 92% -1% 110% 84% 62% 67%
Upper Yellowstone 87% -1% 114% 76% 59% 68%
Yellowstone ab Livingston 91% -1% 113% 80% 63% 69%
Shields 60% 1% 119% 51% 38% 63%
Boulder-Stillwater 80% -1% 132% 61% 54% 68%
Red Lodge-Rock Creek 108% 1% 85% 127% 67% 62%
Clark's Fork 91% -3% 114% 80% 65% 71%
Lower Yellowstone 97% -1% 105% 92% 65% 67%
Wind River 88% -1% 103% 86% 61% 69%
Shoshone River 92% -1% 91% 101% 64% 70%
Bighorn River 97% 0% 105% 93% 65% 67%
Little Bighorn 98% 1% 116% 84% 59% 60%
Tongue River 121% -1% 109% 111% 75% 62%
Powder River 106% 0% 117% 90% 66% 62%
Montana State 87% -2% 113% 77% 62% 71%
Montana Watersheds 89% -2% 111% 80% 62% 70%

February 6, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 93% -1% 111% 84% 64% 69%
Kootenai ab Bonners Ferry 96% -3% 104% 93% 68% 70%
Kootenai in Montana 96% -3% 104% 93% 68% 70%
Kootenai Mainstem 100% -5% 101% 99% 68% 68%
Tobacco 79% 1% 118% 68% 58% 73%
Fisher 78% -1% 104% 75% 58% 74%
Yaak 116% -4% 95% 122% 82% 71%
Clark Fk ab Pend Orielle 92% 0% 114% 81% 64% 69%
Clark Fork River Basin 95% -2% 110% 86% 65% 68%
Upper Clark Fork Basin 91% -1% 114% 80% 61% 67%
Flint Creek 99% -4% 105% 94% 63% 63%
Rock Creek 94% -4% 108% 87% 58% 61%
Clark Fork ab Blackfoot 96% -3% 110% 87% 59% 62%
Blackfoot 90% -1% 118% 77% 64% 71%
Clark Fork ab Flint Creek 95% -2% 110% 86% 57% 60%
Bitterroot River Basin 96% -2% 106% 91% 68% 70%
West Fork Bitterroot 92% -1% 114% 81% 63% 68%
East Side Bitterroot 95% -2% 113% 84% 64% 67%
West Side Bitterroot 98% -1% 101% 96% 71% 73%
Flathead River Basin 85% 1% 122% 70% 59% 69%
Flathead in Montana 85% 1% 122% 70% 59% 69%
NF Flathead in Montana 86% 0% 114% 75% 63% 73%
MF Flathead 92% -1% 95% 97% 63% 68%
SF Flathead 68% 7% 156% 44% 45% 67%
Stillwater-Whitefish 78% -1% 104% 75% 58% 74%
Swan 77% 5% 140% 55% 51% 67%
Mission Valley 92% 6% 150% 61% 59% 65%
Jocko 86% 2% 128% 67% 57% 67%
Lower Clark Fork Basin 100% -2% 111% 90% 70% 70%
East of Divide 90% -2% 113% 80% 57% 64%
Missouri River Basin 85% -2% 114% 74% 54% 64%
Missouri Headwaters 79% -1% 113% 70% 49% 62%
Jefferson River Basin 81% -1% 111% 73% 50% 62%
Beaverhead 73% -2% 117% 62% 45% 61%
Ruby 73% 1% 97% 75% 43% 60%
Bighole 84% -1% 116% 72% 54% 65%
Boulder 101% -2% 109% 93% 59% 58%
Madison River Basin 77% -1% 110% 70% 49% 63%
Madison abv Hebgen Lake 83% -3% 113% 74% 55% 66%
Madison blw Hebgen Lake 73% 0% 107% 68% 43% 60%
Gallatin River Basin 71% -1% 116% 61% 42% 59%
Upper Gallatin 73% 0% 119% 61% 44% 60%
Hyalite 86% -3% 106% 81% 49% 57%
Bridger 53% -1% 121% 44% 31% 58%
Missouri Mainstem Basins 99% -3% 117% 84% 65% 66%
Missouri Mainstem 108% -4% 109% 100% 68% 63%
Smith-Judith-Musselshell 91% -4% 127% 72% 60% 66%
Smith 93% -4% 124% 76% 62% 66%
Judith 93% -4% 134% 69% 61% 66%
Musselshell 81% -3% 116% 69% 50% 62%
Sun-Teton-Marias 106% -3% 103% 103% 71% 67%
Sun 112% -2% 111% 100% 73% 66%
Teton 105% -4% 103% 102% 75% 72%
Marias 97% -3% 93% 105% 63% 65%
St. Mary & Milk Basin 87% -2% 117% 74% 65% 74%
St. Mary 91% -1% 111% 82% 67% 74%
Milk River Basin 43% -6% 193% 22% 35% 81%
Bearpaw Mountains 43% -6% 193% 22% 35% 81%
Yellowstone River Basin 93% -2% 111% 84% 59% 63%
Upper Yellowstone 88% -2% 116% 76% 56% 64%
Yellowstone ab Livingston 92% -2% 116% 80% 60% 65%
Shields 59% -1% 121% 49% 35% 59%
Boulder-Stillwater 80% -1% 130% 62% 52% 64%
Red Lodge-Rock Creek 106% -7% 85% 125% 62% 58%
Clark's Fork 94% -1% 118% 80% 62% 66%
Lower Yellowstone 98% -2% 106% 92% 62% 63%
Wind River 89% 1% 104% 86% 59% 66%
Shoshone River 93% -2% 93% 100% 61% 65%
Bighorn River 97% -3% 106% 92% 62% 64%
Little Bighorn 97% -2% 114% 85% 56% 58%
Tongue River 122% -6% 108% 113% 72% 59%
Powder River 106% -5% 118% 90% 63% 60%
Montana State 89% -2% 114% 79% 59% 67%
Montana Watersheds 91% -1% 112% 81% 60% 66%

January 31, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 96% 7% 112% 85% 63% 66%
Kootenai ab Bonners Ferry 101% 10% 107% 94% 67% 67%
Kootenai in Montana 101% 10% 107% 94% 67% 67%
Kootenai Mainstem 106% 9% 105% 101% 68% 64%
Tobacco 82% 12% 121% 68% 57% 70%
Fisher 80% 7% 106% 76% 58% 73%
Yaak 121% 10% 97% 124% 82% 68%
Clark Fk ab Pend Orielle 95% 7% 115% 82% 63% 66%
Clark Fork River Basin 99% 6% 112% 88% 64% 65%
Upper Clark Fork Basin 94% 5% 114% 82% 60% 64%
Flint Creek 102% 0% 105% 97% 63% 61%
Rock Creek 98% 3% 104% 94% 58% 59%
Clark Fork ab Blackfoot 99% 3% 109% 91% 59% 60%
Blackfoot 92% 7% 119% 78% 63% 68%
Clark Fork ab Flint Creek 98% 3% 110% 89% 56% 57%
Bitterroot River Basin 100% 6% 104% 96% 67% 67%
West Fork Bitterroot 95% 7% 112% 85% 62% 65%
East Side Bitterroot 99% 6% 112% 88% 63% 64%
West Side Bitterroot 101% 7% 100% 102% 70% 69%
Flathead River Basin 86% 8% 123% 70% 57% 66%
Flathead in Montana 86% 8% 123% 70% 57% 66%
NF Flathead in Montana 88% 10% 114% 77% 62% 70%
MF Flathead 95% 9% 96% 100% 62% 65%
SF Flathead 67% 10% 156% 43% 43% 64%
Stillwater-Whitefish 80% 7% 106% 76% 58% 73%
Swan 76% 8% 141% 54% 48% 64%
Mission Valley 89% 4% 153% 58% 56% 62%
Jocko 87% 8% 129% 67% 56% 64%
Lower Clark Fork Basin 104% 8% 114% 91% 69% 66%
East of Divide 92% 1% 112% 83% 56% 61%
Missouri River Basin 87% 2% 113% 77% 53% 61%
Missouri Headwaters 80% 0% 113% 71% 48% 60%
Jefferson River Basin 83% 2% 111% 74% 49% 60%
Beaverhead 75% 1% 117% 64% 44% 59%
Ruby 74% 0% 98% 75% 42% 57%
Bighole 86% 3% 116% 75% 54% 62%
Boulder 103% 0% 110% 94% 58% 56%
Madison River Basin 79% 1% 110% 71% 48% 61%
Madison abv Hebgen Lake 86% 1% 115% 75% 54% 63%
Madison blw Hebgen Lake 73% 0% 107% 69% 42% 57%
Gallatin River Basin 72% -2% 114% 63% 41% 57%
Upper Gallatin 73% 0% 118% 62% 43% 58%
Hyalite 88% -4% 101% 87% 48% 55%
Bridger 54% -4% 121% 44% 30% 55%
Missouri Mainstem Basins 102% 3% 114% 90% 65% 63%
Missouri Mainstem 111% 1% 107% 103% 66% 60%
Smith-Judith-Musselshell 94% 2% 120% 79% 59% 63%
Smith 96% 3% 115% 83% 61% 64%
Judith 96% 3% 129% 74% 60% 63%
Musselshell 84% -1% 113% 74% 50% 59%
Sun-Teton-Marias 110% 5% 102% 108% 70% 64%
Sun 116% 6% 109% 106% 73% 63%
Teton 109% 3% 98% 112% 75% 69%
Marias 101% 4% 93% 109% 62% 61%
St. Mary & Milk Basin 90% 9% 115% 78% 64% 72%
St. Mary 93% 9% 108% 86% 66% 71%
Milk River Basin 46% 4% 191% 24% 37% 80%
Bearpaw Mountains 46% 4% 191% 24% 37% 80%
Yellowstone River Basin 95% 0% 110% 86% 58% 61%
Upper Yellowstone 90% 0% 115% 78% 56% 62%
Yellowstone ab Livingston 95% 1% 116% 82% 59% 63%
Shields 59% -1% 118% 50% 33% 56%
Boulder-Stillwater 82% 1% 122% 67% 51% 62%
Red Lodge-Rock Creek 112% -8% 82% 137% 63% 56%
Clark's Fork 96% 1% 117% 82% 62% 64%
Lower Yellowstone 100% 0% 106% 94% 61% 61%
Wind River 88% 0% 104% 85% 56% 64%
Shoshone River 95% 0% 95% 101% 60% 63%
Bighorn River 100% 0% 106% 94% 61% 61%
Little Bighorn 98% -2% 109% 89% 55% 56%
Tongue River 127% -1% 105% 121% 71% 56%
Powder River 110% 0% 117% 94% 63% 57%
Montana State 92% 4% 113% 81% 59% 64%
Montana Watersheds 93% 3% 112% 83% 59% 63%

January 23, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 89% 16% 114% 78% 54% 61%
Kootenai ab Bonners Ferry 92% 10% 109% 85% 57% 61%
Kootenai in Montana 92% 10% 109% 85% 57% 61%
Kootenai Mainstem 98% 11% 106% 92% 57% 59%
Tobacco 71% 9% 123% 57% 46% 65%
Fisher 75% 9% 102% 74% 50% 67%
Yaak 112% 11% 99% 114% 71% 63%
Clark Fk ab Pend Orielle 88% 17% 117% 75% 54% 61%
Clark Fork River Basin 93% 20% 114% 81% 55% 60%
Upper Clark Fork Basin 88% 19% 115% 77% 53% 60%
Flint Creek 101% 24% 108% 94% 58% 57%
Rock Creek 94% 16% 109% 87% 52% 55%
Clark Fork ab Blackfoot 96% 18% 112% 86% 53% 55%
Blackfoot 85% 22% 120% 71% 54% 63%
Clark Fork ab Flint Creek 95% 15% 113% 84% 50% 53%
Bitterroot River Basin 95% 21% 109% 87% 59% 62%
West Fork Bitterroot 88% 22% 118% 75% 53% 60%
East Side Bitterroot 93% 21% 116% 80% 56% 60%
West Side Bitterroot 97% 22% 104% 94% 61% 63%
Flathead River Basin 78% 12% 122% 64% 48% 62%
Flathead in Montana 78% 12% 122% 64% 48% 62%
NF Flathead in Montana 78% 10% 115% 68% 50% 65%
MF Flathead 86% 9% 98% 88% 52% 60%
SF Flathead 58% 8% 156% 37% 34% 60%
Stillwater-Whitefish 75% 9% 102% 74% 50% 67%
Swan 69% 11% 139% 49% 41% 60%
Mission Valley 85% 13% 145% 58% 49% 58%
Jocko 80% 17% 127% 63% 48% 60%
Lower Clark Fork Basin 97% 19% 116% 83% 58% 60%
East of Divide 91% 13% 115% 79% 52% 57%
Missouri River Basin 85% 14% 117% 73% 48% 57%
Missouri Headwaters 79% 13% 117% 68% 44% 56%
Jefferson River Basin 80% 14% 116% 69% 44% 56%
Beaverhead 73% 15% 123% 60% 40% 55%
Ruby 72% 8% 101% 71% 39% 54%
Bighole 82% 18% 121% 68% 47% 58%
Boulder 104% 11% 112% 92% 54% 52%
Madison River Basin 77% 13% 114% 67% 44% 57%
Madison abv Hebgen Lake 84% 18% 120% 70% 50% 59%
Madison blw Hebgen Lake 71% 8% 110% 65% 39% 54%
Gallatin River Basin 75% 8% 117% 64% 40% 54%
Upper Gallatin 72% 8% 121% 60% 40% 55%
Hyalite 91% -2% 100% 91% 47% 52%
Bridger 46% -2% 125% 37% 24% 51%
Missouri Mainstem Basins 100% 16% 117% 86% 58% 58%
Missouri Mainstem 110% 18% 110% 100% 61% 55%
Smith-Judith-Musselshell 93% 17% 122% 76% 54% 58%
Smith 94% 18% 116% 81% 56% 59%
Judith 94% 16% 132% 71% 55% 58%
Musselshell 88% 19% 117% 75% 48% 55%
Sun-Teton-Marias 105% 14% 106% 100% 61% 58%
Sun 111% 18% 112% 99% 64% 58%
Teton 107% 16% 101% 106% 66% 62%
Marias 97% 12% 97% 100% 54% 56%
St. Mary & Milk Basin 80% 11% 116% 69% 53% 66%
St. Mary 83% 11% 108% 77% 55% 66%
Milk River Basin 44% 10% 212% 21% 31% 70%
Bearpaw Mountains 44% 10% 212% 21% 31% 70%
Yellowstone River Basin 96% 12% 113% 84% 55% 57%
Upper Yellowstone 92% 14% 119% 77% 53% 57%
Yellowstone ab Livingston 94% 14% 120% 78% 55% 58%
Shields 53% 5% 123% 43% 28% 52%
Boulder-Stillwater 81% 9% 124% 66% 47% 58%
Red Lodge-Rock Creek 120% -10% 78% 154% 63% 53%
Clark's Fork 95% 16% 121% 78% 57% 60%
Lower Yellowstone 100% 11% 109% 92% 57% 57%
Wind River 88% 14% 109% 81% 53% 60%
Shoshone River 96% 15% 99% 97% 56% 59%
Bighorn River 100% 10% 109% 92% 57% 57%
Little Bighorn 100% 4% 108% 92% 52% 53%
Tongue River 127% 8% 102% 125% 67% 53%
Powder River 110% 9% 119% 92% 58% 53%
Montana State 88% 15% 116% 76% 52% 59%
Montana Watersheds 90% 14% 114% 79% 53% 59%

January 18, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 76% -1% 113% 67% 44% 58%
Kootenai ab Bonners Ferry 87% 2% 111% 78% 50% 58%
Kootenai in Montana 87% 2% 111% 78% 50% 58%
Kootenai Mainstem 92% 1% 109% 84% 50% 55%
Tobacco 66% 2% 123% 54% 41% 61%
Fisher 68% 1% 104% 65% 43% 64%
Yaak 107% 0% 102% 105% 64% 60%
Clark Fk ab Pend Orielle 74% -1% 116% 64% 43% 58%
Clark Fork River Basin 76% -1% 114% 67% 43% 56%
Upper Clark Fork Basin 70% -2% 114% 61% 39% 57%
Flint Creek 76% -4% 105% 73% 41% 54%
Rock Creek 78% -4% 102% 77% 41% 52%
Clark Fork ab Blackfoot 78% -3% 108% 73% 41% 53%
Blackfoot 64% -3% 121% 53% 38% 60%
Clark Fork ab Flint Creek 80% -2% 109% 73% 40% 50%
Bitterroot River Basin 76% -3% 103% 73% 44% 58%
West Fork Bitterroot 66% -5% 113% 59% 38% 58%
East Side Bitterroot 72% -5% 110% 65% 41% 57%
West Side Bitterroot 80% -1% 98% 81% 47% 59%
Flathead River Basin 69% 0% 122% 57% 40% 58%
Flathead in Montana 69% 0% 122% 57% 40% 58%
NF Flathead in Montana 72% 3% 114% 63% 45% 62%
MF Flathead 80% 0% 96% 83% 46% 57%
SF Flathead 52% -1% 157% 33% 29% 56%
Stillwater-Whitefish 68% 1% 104% 65% 43% 64%
Swan 58% -2% 140% 42% 33% 56%
Mission Valley 73% -1% 148% 49% 40% 55%
Jocko 65% -1% 127% 51% 37% 56%
Lower Clark Fork Basin 82% 1% 118% 70% 47% 57%
East of Divide 79% -4% 112% 71% 43% 54%
Missouri River Basin 72% -3% 115% 62% 38% 54%
Missouri Headwaters 66% -3% 115% 57% 35% 53%
Jefferson River Basin 65% -4% 113% 58% 35% 53%
Beaverhead 57% -4% 120% 48% 30% 52%
Ruby 63% -3% 101% 62% 32% 52%
Bighole 64% -3% 115% 55% 35% 55%
Boulder 93% -2% 109% 85% 46% 50%
Madison River Basin 64% -3% 114% 56% 35% 54%
Madison abv Hebgen Lake 66% -3% 123% 54% 37% 56%
Madison blw Hebgen Lake 62% -4% 108% 58% 32% 52%
Gallatin River Basin 70% 0% 114% 61% 35% 51%
Upper Gallatin 63% -5% 119% 54% 33% 53%
Hyalite 91% -5% 98% 94% 45% 49%
Bridger 42% -8% 123% 34% 20% 48%
Missouri Mainstem Basins 85% -3% 114% 75% 47% 55%
Missouri Mainstem 92% -4% 109% 84% 48% 52%
Smith-Judith-Musselshell 76% -4% 118% 64% 42% 55%
Smith 76% -3% 113% 68% 43% 56%
Judith 78% -5% 128% 61% 42% 55%
Musselshell 68% -8% 113% 60% 35% 52%
Sun-Teton-Marias 94% -1% 104% 91% 52% 55%
Sun 98% 0% 111% 89% 54% 55%
Teton 94% -2% 99% 95% 56% 59%
Marias 87% -2% 95% 92% 46% 53%
St. Mary & Milk Basin 73% 1% 112% 65% 46% 63%
St. Mary 77% 3% 107% 72% 48% 62%
Milk River Basin 26% -14% 179% 15% 17% 66%
Bearpaw Mountains 26% -14% 179% 15% 17% 66%
Yellowstone River Basin 86% -3% 109% 78% 47% 55%
Upper Yellowstone 81% -1% 116% 70% 44% 55%
Yellowstone ab Livingston 85% 0% 118% 72% 47% 56%
Shields 42% -9% 119% 35% 21% 49%
Boulder-Stillwater 72% -2% 121% 59% 40% 56%
Red Lodge-Rock Creek 125% -9% 74% 168% 64% 51%
Clark's Fork 88% 4% 117% 75% 50% 57%
Lower Yellowstone 89% -6% 104% 86% 49% 55%
Wind River 75% -8% 109% 69% 43% 57%
Shoshone River 81% -5% 97% 83% 45% 56%
Bighorn River 89% -5% 104% 85% 49% 55%
Little Bighorn 95% -5% 97% 98% 48% 51%
Tongue River 117% -8% 87% 135% 60% 51%
Powder River 99% -2% 110% 90% 51% 51%
Montana State 75% -2% 115% 66% 42% 56%
Montana Watersheds 78% -2% 113% 69% 43% 56%

January 9, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 75% -7% 104% 72% 38% 50%
Kootenai ab Bonners Ferry 83% -5% 102% 81% 42% 51%
Kootenai in Montana 83% -5% 102% 81% 42% 51%
Kootenai Mainstem 89% -6% 97% 92% 43% 48%
Tobacco 58% -6% 115% 51% 32% 55%
Fisher 61% -4% 109% 56% 35% 57%
Yaak 107% -5% 93% 115% 56% 52%
Clark Fk ab Pend Orielle 73% -7% 107% 68% 37% 50%
Clark Fork River Basin 76% -8% 105% 72% 37% 49%
Upper Clark Fork Basin 72% -8% 105% 68% 35% 49%
Flint Creek 81% -13% 103% 79% 38% 47%
Rock Creek 82% -9% 93% 89% 37% 45%
Clark Fork ab Blackfoot 81% -9% 100% 81% 37% 46%
Blackfoot 65% -8% 111% 59% 34% 52%
Clark Fork ab Flint Creek 82% -7% 102% 80% 37% 45%
Bitterroot River Basin 79% -9% 89% 89% 40% 50%
West Fork Bitterroot 73% -8% 96% 75% 36% 50%
East Side Bitterroot 78% -8% 96% 81% 38% 49%
West Side Bitterroot 81% -9% 83% 97% 41% 50%
Flathead River Basin 66% -5% 114% 58% 34% 51%
Flathead in Montana 66% -5% 114% 58% 34% 51%
NF Flathead in Montana 66% -4% 105% 63% 36% 55%
MF Flathead 77% -6% 84% 92% 39% 50%
SF Flathead 47% -2% 145% 33% 24% 51%
Stillwater-Whitefish 61% -4% 109% 56% 35% 57%
Swan 57% -4% 132% 43% 28% 50%
Mission Valley 72% -8% 153% 47% 35% 48%
Jocko 66% -5% 114% 58% 32% 49%
Lower Clark Fork Basin 80% -8% 107% 75% 39% 49%
East of Divide 82% -8% 110% 75% 40% 48%
Missouri River Basin 74% -7% 111% 67% 35% 47%
Missouri Headwaters 69% -8% 111% 62% 32% 47%
Jefferson River Basin 69% -7% 105% 66% 32% 47%
Beaverhead 62% -7% 112% 55% 28% 46%
Ruby 66% -6% 100% 66% 31% 46%
Bighole 68% -7% 99% 69% 33% 48%
Boulder 92% -8% 109% 85% 41% 44%
Madison River Basin 68% -6% 114% 60% 32% 48%
Madison abv Hebgen Lake 70% -7% 124% 57% 34% 49%
Madison blw Hebgen Lake 66% -6% 107% 62% 30% 46%
Gallatin River Basin 70% -9% 116% 61% 31% 45%
Upper Gallatin 68% -7% 118% 57% 31% 46%
Hyalite 96% -8% 103% 93% 42% 44%
Bridger 50% -10% 125% 40% 21% 42%
Missouri Mainstem Basins 85% -8% 110% 77% 41% 49%
Missouri Mainstem 92% -8% 107% 86% 43% 47%
Smith-Judith-Musselshell 79% -8% 119% 66% 39% 49%
Smith 79% -8% 112% 70% 39% 50%
Judith 82% -8% 128% 64% 40% 49%
Musselshell 77% -7% 118% 65% 35% 45%
Sun-Teton-Marias 90% -6% 94% 96% 43% 48%
Sun 92% -4% 100% 92% 44% 48%
Teton 89% -6% 94% 95% 46% 51%
Marias 84% -7% 84% 101% 39% 46%
St. Mary & Milk Basin 69% -5% 102% 67% 37% 54%
St. Mary 72% -4% 96% 75% 39% 54%
Milk River Basin 27% -21% 185% 15% 15% 57%
Bearpaw Mountains 27% -21% 185% 15% 15% 57%
Yellowstone River Basin 90% -7% 109% 82% 43% 48%
Upper Yellowstone 82% -9% 115% 71% 40% 48%
Yellowstone ab Livingston 86% -8% 118% 72% 42% 49%
Shields 51% -8% 121% 42% 22% 43%
Boulder-Stillwater 74% -6% 117% 63% 37% 50%
Red Lodge-Rock Creek 125% -11% 82% 153% 57% 46%
Clark's Fork 85% -9% 113% 76% 42% 50%
Lower Yellowstone 96% -7% 104% 92% 47% 48%
Wind River 85% -3% 115% 74% 42% 50%
Shoshone River 88% -7% 95% 92% 43% 49%
Bighorn River 95% -8% 101% 94% 47% 49%
Little Bighorn 99% -9% 93% 106% 45% 45%
Tongue River 123% -13% 85% 144% 56% 45%
Powder River 101% -8% 108% 93% 46% 46%
Montana State 76% -7% 109% 70% 37% 49%
Montana Watersheds 80% -7% 108% 74% 39% 49%

January 4, 2012
Basin This Year Percent of Average 7 Day Change Last Year as Percent of Average This Year as Percent of Last Year Current SWE % To Peak Average SWE % To Peak
Columbia In Montana 80% 10% 100% 80% 37% 47%
Kootenai at Bonners Ferry 88% 9% 97% 91% 42% 47%
Kootenay in Canada            
Kootenai in Montana 88% 9% 97% 91% 42% 47%
Kootenai Mainstem 95% 10% 95% 100% 42% 44%
Tobacco 63% 8% 105% 60% 32% 51%
Fisher 64% 7% 105% 62% 34% 53%
Yaak 112% 11% 90% 125% 54% 48%
Clark Fk ab Pend Orielle 78% 10% 103% 75% 36% 47%
Clark Fork River Basin 82% 12% 103% 80% 37% 45%
Upper Clark Fork Basin 77% 12% 104% 74% 35% 45%
Flint Creek 92% 16% 101% 90% 40% 43%
Rock Creek 89% 20% 94% 94% 37% 41%
Clark Fork ab Blackfoot 88% 17% 100% 87% 38% 43%
Blackfoot 70% 9% 108% 65% 33% 47%
Clark Fork ab Flint Creek 87% 15% 102% 85% 37% 42%
Bitterroot River Basin 85% 18% 90% 95% 39% 46%
West Fork Bitterroot 79% 19% 101% 77% 36% 46%
East Side Bitterroot 84% 22% 99% 85% 38% 45%
West Side Bitterroot 87% 19% 83% 105% 40% 46%
Flathead River Basin 69% 5% 107% 65% 33% 48%
NF Flathead in Canada            
Flathead in Montana 69% 5% 107% 65% 33% 48%
NF Flathead in Montana 70% 8% 97% 73% 35% 50%
MF Flathead 82% 9% 78% 104% 38% 46%
SF Flathead 48% 3% 129% 38% 23% 48%
Stillwater-Whitefish 64% 7% 105% 62% 34% 53%
Swan 58% 2% 122% 48% 27% 46%
Mission Valley 77% -2% 148% 52% 34% 45%
Little Bitterroot-Ashley            
Jocko 69% 7% 108% 64% 31% 45%
Lower Clark Fork Basin 86% 11% 104% 83% 39% 45%
East of Divide 88% 12% 110% 80% 40% 45%
Missouri River Basin 79% 12% 111% 71% 35% 44%
Missouri Headwaters 75% 15% 113% 66% 32% 44%
Jefferson River Basin 74% 17% 108% 69% 32% 44%
Beaverhead 67% 16% 116% 58% 28% 42%
Ruby 70% 14% 102% 69% 31% 43%
Bighole 73% 21% 102% 72% 33% 45%
Boulder 97% 13% 108% 90% 41% 42%
Madison River Basin 72% 12% 115% 63% 32% 45%
Madison abv Hebgen Lake 75% 12% 127% 59% 34% 45%
Madison blw Hebgen Lake 70% 13% 107% 66% 30% 43%
Gallatin River Basin 77% 12% 115% 67% 32% 41%
Upper Gallatin 73% 14% 117% 62% 31% 43%
Hyalite 102% 9% 102% 100% 42% 41%
Bridger 57% 13% 125% 46% 22% 38%
Missouri Mainstem Basins 91% 8% 107% 85% 41% 45%
Missouri Mainstem 98% 13% 105% 94% 43% 44%
Smith-Judith-Musselshell 85% 2% 116% 74% 39% 46%
Smith 85% 2% 109% 78% 39% 46%
Highwood            
Judith 88% 1% 124% 71% 40% 45%
Musselshell 84% 7% 114% 73% 36% 42%
Sun-Teton-Marias 94% 11% 91% 103% 42% 45%
Sun 94% 19% 101% 94% 42% 44%
Teton 93% 10% 91% 103% 44% 47%
Marias 89% 6% 79% 112% 38% 43%
St. Mary & Milk Basin 74% 7% 96% 77% 37% 50%
St. Mary 76% 8% 90% 85% 38% 50%
Milk River Basin 48% -5% 177% 27% 24% 51%
Bearpaw Mountains 48% -5% 177% 27% 24% 51%
Cypress Hills, Canada            
Yellowstone River Basin 97% 13% 110% 88% 44% 45%
Upper Yellowstone 89% 16% 116% 76% 40% 45%
Yellowstone ab Livingston 92% 18% 121% 76% 42% 46%
Shields 58% 13% 118% 49% 23% 39%
Boulder-Stillwater 79% 15% 117% 68% 37% 47%
Red Lodge-Rock Creek 134% 9% 79% 169% 58% 44%
Clark's Fork 91% 17% 114% 80% 42% 46%
Lower Yellowstone 103% 11% 105% 98% 47% 46%
Wind River 90% 9% 119% 76% 42% 47%
Shoshone River 94% 20% 98% 96% 43% 46%
Bighorn River 101% 12% 102% 99% 47% 46%
Little Bighorn 106% 4% 91% 117% 45% 43%
Tongue River 133% 8% 80% 167% 57% 43%
Powder River 107% 7% 105% 102% 47% 44%
Montana State 81% 12% 108% 75% 37% 46%
Montana Watersheds 85% 11% 107% 80% 39% 46%

< Back to Current Water Year Data

Last Modified: 05/07/2012