Snow Precipitation Update

United States           Natural Resources             Water and Climate Center
Department of           Conservation                          Portland, Oregon
Agriculture             Service

          S N O W  -  P R E C I P I T A T I O N    U P D A T E

              Based on Mountain Data from NRCS SNOTEL Sites
                    As of FRIDAY: APRIL 17 , 2015

- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg
- MONTANA KOOTENAI RIVER BASIN Banfield Mountain 5600 7.5 16.9 44 23.0 26.0 88 Bear Mountain 5400 26.6 55.5 48 63.8 68.0 94 Garver Creek 4250 5.1 7.2 71 18.6 18.2 102 Grave Creek 4300 3.6 10.9 33 34.1 31.8 107 Hand Creek 5035 .1 9.5 1 16.8 17.4 97 Hawkins Lake 6450 23.1 25.9 89 35.4 30.2 117 Poorman Creek 5100 14.2 32.5 44 59.5 55.1 108 Stahl Peak 6030 -M 36.2 * 38.0 39.0 97 ----- ----- Basin Index (%) 51 101 FLATHEAD RIVER BASIN Badger Pass 6900 -M 31.1 * 31.3 34.1 92 Bisson Creek 4920 4.0 9.4 43 22.5 17.9 126 Blacktail Mtn 5650 1.5 -M * 13.3 -M * Emery Creek 4350 4.4 11.9 37 28.2 24.4 116 Flattop Mtn. 6300 37.6 43.1 87 50.6 47.9 106 Grave Creek 4300 3.6 10.9 33 34.1 31.8 107 Hand Creek 5035 .1 9.5 1 16.8 17.4 97 Kraft Creek 4750 .0 -M * 28.5 26.9 106 Many Glacier 4900 .0 8.9 0 34.8 31.3 111 Moss Peak 6780 43.5 38.2 114 46.7 38.3 122 Noisy Basin 6040 43.8 43.5 101 49.1 45.6 108 North Fork Jocko 6330 34.9 42.0 83 51.9 48.7 107 Pike Creek 5930 .0 -M * 32.7 31.1 105 Sleeping Woman 6150 9.6 13.6 71 24.6 21.6 114 Stahl Peak 6030 -M 36.2 * 38.0 39.0 97 Stuart Mountain 7400 33.6 30.0 112 34.5 32.5 106 ----- ----- Basin Index (%) 82 107 UPPER CLARK FORK RIVER BASIN Barker Lakes 8250 12.7 15.3 83 16.5 17.5 94 Basin Creek 7180 6.8 8.6 79 6.6 10.8 61 Black Pine 7210 6.7 9.8 68 15.0 14.3 105 Combination 5600 .0 2.3 0 -M 9.6 * Copper Bottom 5200 .0 -M * 13.8 16.2 85 Copper Camp 6950 29.5 -M * 24.8 32.7 76 Lubrecht Flume 4680 .0 .0 * 11.4 10.7 107 Nevada Ridge 7020 13.0 13.5 96 16.1 16.8 96 N Fk Elk Creek 6250 7.7 9.9 78 12.8 14.7 87 North Fork Jocko 6330 34.9 42.0 83 51.9 48.7 107 Peterson Meadows 7200 8.7 10.4 84 13.9 13.0 107 Rocker Peak 8000 14.4 13.9 104 14.5 14.9 97 Skalkaho Summit 7250 18.5 21.7 85 23.4 23.3 100 Stuart Mountain 7400 33.6 30.0 112 34.5 32.5 106 Warm Springs 7800 23.4 21.2 110 25.0 23.7 105 ----- ----- Basin Index (%) 91 97 BITTERROOT RIVER BASIN Daly Creek 5780 4.1 7.1 58 14.4 14.1 102 Lolo Pass 5240 15.5 21.3 73 34.8 34.5 101 Nez Perce Camp 5650 9.6 12.0 80 23.5 20.8 113 Saddle Mtn. 7940 24.5 24.0 102 20.8 24.4 85 Skalkaho Summit 7250 18.5 21.7 85 23.4 23.3 100 Twelvemile Creek 5600 -M 9.9 * 38.5 32.3 119 Twin Lakes 6400 32.0 33.9 94 49.4 46.2 107 ----- ----- Basin Index (%) 87 105 LOWER CLARK FORK RIVER BASIN Hoodoo Basin 6050 28.4 40.1 71 44.0 48.0 92 Humboldt Gulch 4250 .1 5.6 2 40.7 37.5 109 Lolo Pass 5240 15.5 21.3 73 34.8 34.5 101 Lookout 5140 5.5 25.3 22 35.8 40.3 89 Poorman Creek 5100 14.2 32.5 44 59.5 55.1 108 Sleeping Woman 6150 9.6 13.6 71 24.6 21.6 114 Stuart Mountain 7400 33.6 30.0 112 34.5 32.5 106 Sunset 5540 9.1 21.4 43 30.6 38.0 81 ----- ----- Basin Index (%) 61 99 JEFFERSON RIVER BASIN Albro Lake 8300 16.4 19.8 83 17.5 21.1 83 Barker Lakes 8250 12.7 15.3 83 16.5 17.5 94 Basin Creek 7180 6.8 8.6 79 6.6 10.8 61 Beagle Springs 8850 7.1 9.2 77 6.9 11.0 63 Bloody Dick 7600 10.5 10.6 99 13.7 15.0 91 Calvert Creek 6430 .0 5.1 0 10.6 11.1 95 Clover Meadow 8600 12.2 17.1 71 13.1 18.3 72 Darkhorse Lake 8600 30.8 28.8 107 28.0 28.2 99 Divide 7800 7.2 10.6 68 6.8 12.3 55 Frohner Meadow 6480 .7 7.3 10 11.5 10.8 106 Lakeview Ridge 7400 .0 9.5 0 7.0 15.3 46 Lemhi Ridge 8100 8.5 10.5 81 13.2 13.6 97 Lower Twin 7900 10.2 18.0 57 20.0 21.7 92 Moose Creek 6200 11.5 14.3 80 21.0 20.7 101 Mule Creek 8300 14.4 15.6 92 16.9 17.1 99 Rocker Peak 8000 14.4 13.9 104 14.5 14.9 97 Saddle Mtn. 7940 24.5 24.0 102 20.8 24.4 85 Short Creek 7000 .0 5.5 0 5.5 7.9 70 White Elephant 7710 15.2 25.2 60 18.0 30.8 58 ----- ----- Basin Index (%) 76 83 MADISON RIVER BASIN Albro Lake 8300 16.4 19.8 83 17.5 21.1 83 Beaver Creek 7850 13.5 17.9 75 16.9 20.3 83 Black Bear 8170 27.1 36.8 74 26.7 39.3 68 Carrot Basin 9000 20.2 27.3 74 20.8 27.2 76 Clover Meadow 8600 12.2 17.1 71 13.1 18.3 72 Lone Mountain 8880 15.7 17.6 89 16.3 18.3 89 Lower Twin 7900 10.2 18.0 57 20.0 21.7 92 Madison Plateau 7750 14.3 22.7 63 -M 27.1 * Tepee Creek 8000 7.2 13.0 55 8.5 15.5 55 West Yellowstone 6700 -M 8.1 * -M 14.8 * Whiskey Creek 6800 7.0 14.9 47 11.8 20.9 56 ----- ----- Basin Index (%) 70 75 GALLATIN RIVER BASIN Beaver Creek 7850 13.5 17.9 75 16.9 20.3 83 Brackett Creek 7320 23.6 20.8 113 28.0 26.8 104 Carrot Basin 9000 20.2 27.3 74 20.8 27.2 76 Lick Creek 6860 8.8 10.8 81 14.6 15.0 97 Lone Mountain 8880 15.7 17.6 89 16.3 18.3 89 Sacajawea 6550 11.5 14.1 82 25.0 23.4 107 Shower Falls 8100 21.1 22.9 92 24.8 24.9 100 ----- ----- Basin Index (%) 87 94 MISSOURI HEADWATERS Albro Lake 8300 16.4 19.8 83 17.5 21.1 83 Barker Lakes 8250 12.7 15.3 83 16.5 17.5 94 Basin Creek 7180 6.8 8.6 79 6.6 10.8 61 Beagle Springs 8850 7.1 9.2 77 6.9 11.0 63 Beaver Creek 7850 13.5 17.9 75 16.9 20.3 83 Black Bear 8170 27.1 36.8 74 26.7 39.3 68 Bloody Dick 7600 10.5 10.6 99 13.7 15.0 91 Brackett Creek 7320 23.6 20.8 113 28.0 26.8 104 Calvert Creek 6430 .0 5.1 0 10.6 11.1 95 Carrot Basin 9000 20.2 27.3 74 20.8 27.2 76 Clover Meadow 8600 12.2 17.1 71 13.1 18.3 72 Darkhorse Lake 8600 30.8 28.8 107 28.0 28.2 99 Divide 7800 7.2 10.6 68 6.8 12.3 55 Frohner Meadow 6480 .7 7.3 10 11.5 10.8 106 Lakeview Ridge 7400 .0 9.5 0 7.0 15.3 46 Lemhi Ridge 8100 8.5 10.5 81 13.2 13.6 97 Lick Creek 6860 8.8 10.8 81 14.6 15.0 97 Lone Mountain 8880 15.7 17.6 89 16.3 18.3 89 Lower Twin 7900 10.2 18.0 57 20.0 21.7 92 Madison Plateau 7750 14.3 22.7 63 -M 27.1 * Moose Creek 6200 11.5 14.3 80 21.0 20.7 101 Mule Creek 8300 14.4 15.6 92 16.9 17.1 99 Rocker Peak 8000 14.4 13.9 104 14.5 14.9 97 Sacajawea 6550 11.5 14.1 82 25.0 23.4 107 Saddle Mtn. 7940 24.5 24.0 102 20.8 24.4 85 Short Creek 7000 .0 5.5 0 5.5 7.9 70 Shower Falls 8100 21.1 22.9 92 24.8 24.9 100 Tepee Creek 8000 7.2 13.0 55 8.5 15.5 55 West Yellowstone 6700 -M 8.1 * -M 14.8 * Whiskey Creek 6800 7.0 14.9 47 11.8 20.9 56 White Elephant 7710 15.2 25.2 60 18.0 30.8 58 ----- ----- Basin Index (%) 77 83 HEADWATERS MISSOURI MAINSTEM Boulder Mountain 7950 17.4 20.0 87 20.8 21.9 95 Frohner Meadow 6480 .7 7.3 10 11.5 10.8 106 Nevada Ridge 7020 13.0 13.5 96 16.1 16.8 96 Rocker Peak 8000 14.4 13.9 104 14.5 14.9 97 Tizer Basin 6880 5.8 9.6 60 11.2 11.6 97 ----- ----- Basin Index (%) 80 98 SMITH, JUDITH, AND MUSSELSHELL RIVER BASINS Boulder Mountain 7950 17.4 20.0 87 20.8 21.9 95 Crystal Lake 6050 11.3 12.8 88 20.0 18.4 109 Daisy Peak 7600 10.5 11.0 95 11.0 12.6 87 Deadman Creek 6450 6.1 8.7 70 13.3 13.2 101 Elk Peak 7600 18.4 -M * 10.7 -M * Onion Park 7410 14.0 13.5 104 18.3 18.5 99 Pickfoot Creek 6650 3.8 8.4 45 14.8 15.5 95 Porcupine 6500 .2 4.9 4 9.8 13.0 75 Spur Park 8100 22.0 21.2 104 19.9 18.6 107 Stringer Creek 6550 8.1 10.4 78 15.0 15.3 98 ----- ----- Basin Index (%) 84 97 SUN, TETON AND MARIAS RIVER BASINS Badger Pass 6900 -M 31.1 * 31.3 34.1 92 Dupuyer Creek 5750 .2 8.3 2 14.3 13.8 104 Mount Lockhart 6400 15.9 18.5 86 27.8 25.5 109 Pike Creek 5930 .0 -M * 32.7 31.1 105 Waldron 5600 4.2 8.9 47 19.8 16.8 118 Wood Creek 5960 1.6 8.4 19 17.1 15.8 108 ----- ----- Basin Index (%) 50 104 MISSOURI MAINSTEM RIVER BASIN Badger Pass 6900 -M 31.1 * 31.3 34.1 92 Boulder Mountain 7950 17.4 20.0 87 20.8 21.9 95 Crystal Lake 6050 11.3 12.8 88 20.0 18.4 109 Daisy Peak 7600 10.5 11.0 95 11.0 12.6 87 Deadman Creek 6450 6.1 8.7 70 13.3 13.2 101 Dupuyer Creek 5750 .2 8.3 2 14.3 13.8 104 Elk Peak 7600 18.4 -M * 10.7 -M * Frohner Meadow 6480 .7 7.3 10 11.5 10.8 106 Mount Lockhart 6400 15.9 18.5 86 27.8 25.5 109 Nevada Ridge 7020 13.0 13.5 96 16.1 16.8 96 Onion Park 7410 14.0 13.5 104 18.3 18.5 99 Pickfoot Creek 6650 3.8 8.4 45 14.8 15.5 95 Pike Creek 5930 .0 -M * 32.7 31.1 105 Porcupine 6500 .2 4.9 4 9.8 13.0 75 Rocker Peak 8000 14.4 13.9 104 14.5 14.9 97 Rocky Boy 4700 .0 1.1 0 -M 10.8 * Spur Park 8100 22.0 21.2 104 19.9 18.6 107 Stringer Creek 6550 8.1 10.4 78 15.0 15.3 98 Tizer Basin 6880 5.8 9.6 60 11.2 11.6 97 Waldron 5600 4.2 8.9 47 19.8 16.8 118 Wood Creek 5960 1.6 8.4 19 17.1 15.8 108 ----- ----- Basin Index (%) 74 100 ST. MARY AND MILK RIVER BASINS Flattop Mtn. 6300 37.6 43.1 87 50.6 47.9 106 Many Glacier 4900 .0 8.9 0 34.8 31.3 111 Rocky Boy 4700 .0 1.1 0 -M 10.8 * ----- ----- Basin Index (%) 71 108 UPPER YELLOWSTONE RIVER BASIN Beartooth Lake 9360 20.8 22.8 91 20.2 20.4 99 Box Canyon 6670 1.2 6.7 18 12.6 13.4 94 Brackett Creek 7320 23.6 20.8 113 28.0 26.8 104 Burnt Mtn 5880 .7 .0 * 13.3 13.7 97 Canyon 7870 10.2 12.4 82 11.3 16.8 67 Cole Creek 7850 14.0 15.9 88 12.4 14.2 87 East Boulder Mine 6335 .2 -M * 11.7 -M * Evening Star 9200 24.2 25.0 97 26.9 28.3 95 Fisher Creek 9100 31.0 32.1 97 28.9 32.9 88 Monument Peak 8850 19.6 20.7 95 20.7 22.6 92 Northeast Entrance 7350 2.4 7.6 32 13.3 12.7 105 Parker Peak 9400 21.4 20.7 103 20.9 18.4 114 Placer Basin 8830 15.0 18.0 83 17.1 20.2 85 Porcupine 6500 .2 4.9 4 9.8 13.0 75 Sacajawea 6550 11.5 14.1 82 25.0 23.4 107 Shower Falls 8100 21.1 22.9 92 24.8 24.9 100 S Fork Shields 8100 14.7 17.8 83 22.0 21.8 101 Sylvan Lake 8420 13.1 20.2 65 19.7 23.2 85 Sylvan Road 7120 .1 10.2 1 15.9 17.2 92 Thumb Divide 7980 5.1 14.4 35 12.0 19.3 62 Two Ocean Plateau 9240 26.2 27.6 95 23.7 28.1 84 White Mill 8700 23.7 23.6 100 23.6 24.6 96 Wolverine 7650 3.0 8.1 37 13.2 12.6 105 Younts Peak 8350 -M 14.9 * -M 16.4 * ----- ----- Basin Index (%) 83 93 WIND RIVER BASIN (WYOMING) Burroughs Creek 8750 11.6 -M * 16.1 -M * Castle Creek 8400 5.1 -M * 9.1 -M * Cold Springs 9630 2.1 5.4 39 8.8 10.6 83 Deer Park 9700 11.1 16.0 69 14.9 21.0 71 Hobbs Park 10100 11.2 14.8 76 12.1 14.4 84 Kirwin 9550 11.9 10.0 119 13.3 12.2 109 Little Warm 9370 9.5 10.2 93 10.8 13.6 79 Owl Creek 8975 .5 4.7 11 6.6 6.6 100 South Pass 9040 10.9 15.7 69 12.1 18.2 66 St. Lawrence Alt 8620 1.7 6.0 28 8.9 9.6 93 Togwotee Pass 9580 22.1 23.3 95 25.0 25.2 99 Townsend Creek 8700 7.1 9.8 72 10.5 12.9 81 Younts Peak 8350 -M 14.9 * -M 16.4 * ----- ----- Basin Index (%) 76 85 SHOSHONE RIVER BASIN (WYOMING) Blackwater 9780 19.6 23.7 83 20.5 21.5 95 Evening Star 9200 24.2 25.0 97 26.9 28.3 95 Marquette 8760 7.0 -M * 10.8 -M * Sylvan Lake 8420 13.1 20.2 65 19.7 23.2 85 Sylvan Road 7120 .1 10.2 1 15.9 17.2 92 Younts Peak 8350 -M 14.9 * -M 16.4 * ----- ----- Basin Index (%) 72 92 BIGHORN RIVER BASIN (WYOMING) Bald Mtn. 9380 17.0 19.5 87 13.4 17.9 75 Bear Trap Meadow 8200 1.9 4.0 48 7.6 9.2 83 Blackwater 9780 19.6 23.7 83 20.5 21.5 95 Bone Springs Div 9350 15.3 16.4 93 13.0 16.4 79 Evening Star 9200 24.2 25.0 97 26.9 28.3 95 Grave Springs 8550 6.9 9.6 72 7.2 11.3 64 Kirwin 9550 11.9 10.0 119 13.3 12.2 109 Marquette 8760 7.0 -M * 10.8 -M * Middle Powder 7760 9.6 12.5 77 -M 12.5 * Owl Creek 8975 .5 4.7 11 6.6 6.6 100 Powder River Pass 9480 10.1 10.1 100 12.7 13.4 95 Shell Creek 9580 12.7 15.3 83 11.7 14.5 81 Sylvan Lake 8420 13.1 20.2 65 19.7 23.2 85 Sylvan Road 7120 .1 10.2 1 15.9 17.2 92 Timber Creek 7950 3.3 5.1 65 10.2 8.1 126 Younts Peak 8350 -M 14.9 * -M 16.4 * ----- ----- Basin Index (%) 78 89 TONGUE RIVER BASIN (WYOMING) Big Goose 7990 7.9 9.6 82 10.8 12.2 89 Bone Springs Div 9350 15.3 16.4 93 13.0 16.4 79 Burgess Junction 7880 11.5 12.2 94 11.2 13.1 85 Dome Lake 8880 10.6 11.9 89 11.4 14.5 79 Little Goose 8870 -M -M * 13.1 -M * Sucker Creek 8880 11.6 12.7 91 13.4 15.4 87 Tie Creek 6870 1.1 4.5 24 11.4 12.4 92 ----- ----- Basin Index (%) 86 85 POWDER RIVER BASIN (WYOMING) Bear Trap Meadow 8200 1.9 4.0 48 7.6 9.2 83 Cloud Peak Reservoir 9860 13.6 15.5 88 13.1 14.4 91 Grave Springs 8550 6.9 9.6 72 7.2 11.3 64 Hansen Sawmill 8360 3.3 5.4 61 8.4 9.3 90 Middle Powder 7760 9.6 12.5 77 -M 12.5 * Powder River Pass 9480 10.1 10.1 100 12.7 13.4 95 Soldier Park 8720 .6 -M * 8.7 -M * ----- ----- Basin Index (%) 80 85 LOWER YELLOWSTONE RIVER BASIN Bald Mtn. 9380 17.0 19.5 87 13.4 17.9 75 Bear Trap Meadow 8200 1.9 4.0 48 7.6 9.2 83 Big Goose 7990 7.9 9.6 82 10.8 12.2 89 Blackwater 9780 19.6 23.7 83 20.5 21.5 95 Bone Springs Div 9350 15.3 16.4 93 13.0 16.4 79 Burgess Junction 7880 11.5 12.2 94 11.2 13.1 85 Burroughs Creek 8750 11.6 -M * 16.1 -M * Castle Creek 8400 5.1 -M * 9.1 -M * Cloud Peak Reservoir 9860 13.6 15.5 88 13.1 14.4 91 Cold Springs 9630 2.1 5.4 39 8.8 10.6 83 Deer Park 9700 11.1 16.0 69 14.9 21.0 71 Dome Lake 8880 10.6 11.9 89 11.4 14.5 79 Evening Star 9200 24.2 25.0 97 26.9 28.3 95 Grave Springs 8550 6.9 9.6 72 7.2 11.3 64 Hansen Sawmill 8360 3.3 5.4 61 8.4 9.3 90 Hobbs Park 10100 11.2 14.8 76 12.1 14.4 84 Kirwin 9550 11.9 10.0 119 13.3 12.2 109 Little Goose 8870 -M -M * 13.1 -M * Little Warm 9370 9.5 10.2 93 10.8 13.6 79 Marquette 8760 7.0 -M * 10.8 -M * Middle Powder 7760 9.6 12.5 77 -M 12.5 * Owl Creek 8975 .5 4.7 11 6.6 6.6 100 Powder River Pass 9480 10.1 10.1 100 12.7 13.4 95 Shell Creek 9580 12.7 15.3 83 11.7 14.5 81 Soldier Park 8720 .6 -M * 8.7 -M * South Pass 9040 10.9 15.7 69 12.1 18.2 66 St. Lawrence Alt 8620 1.7 6.0 28 8.9 9.6 93 Sucker Creek 8880 11.6 12.7 91 13.4 15.4 87 Sylvan Lake 8420 13.1 20.2 65 19.7 23.2 85 Sylvan Road 7120 .1 10.2 1 15.9 17.2 92 Tie Creek 6870 1.1 4.5 24 11.4 12.4 92 Timber Creek 7950 3.3 5.1 65 10.2 8.1 126 Togwotee Pass 9580 22.1 23.3 95 25.0 25.2 99 Townsend Creek 8700 7.1 9.8 72 10.5 12.9 81 Younts Peak 8350 -M 14.9 * -M 16.4 * ----- ----- Basin Index (%) 78 87 BONE SPRINGS DIV 9350 13.9 18.1 77 14.0 16.6 84 BURGESS JUNCTION 7880 9.6 12.9 74 9.6 12.9 74 DOME LAKE 8880 11.7 14.8 79 10.8 14.8 73 SUCKER CREEK 8880 9.2 13.3 69 10.8 14.8 73 TIE CREEK 6870 6.2 -M * 8.8 12.4 71 ----- ----- Basin wide percent of average 75 76
POWDER RIVER BASIN (WYOMING) BEAR TRAP MEADOW 7900 5.3 6.7 79 7.3 9.4 78 CLOUD PEAK RESERVOIR 9860 11.5 16.9 68 10.8 15.2 71 GRAVE SPRINGS 8550 7.6 10.7 71 7.6 11.0 69 HANSEN SAWMILL 8760 5.9 7.6 78 7.3 9.1 80 MIDDLE POWDER 7760 9.6 13.7 70 8.3 13.3 62 POWDER RIVER PASS 9480 8.4 11.5 73 10.7 13.1 82 ----- ----- Basin wide percent of average 72 73 LOWER YELLOWSTONE RIVER BASIN BALD MTN. 9375 17.7 22.4 79 16.0 19.1 84 BEAR TRAP MEADOW 7900 5.3 6.7 79 7.3 9.4 78 BIG GOOSE 7990 7.6 -M * 8.7 -M * BLACKWATER 9780 17.3 24.8 70 16.1 19.4 83 BONE SPRINGS DIV 9350 13.9 18.1 77 14.0 16.6 84 BURGESS JUNCTION 7880 9.6 12.9 74 9.6 12.9 74 BURROUGHS CREEK 8750 9.7 15.2 64 10.8 18.0 60