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
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 TUESDAY: MAY 20 , 2025
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BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION
Data Site Name (Ft) % %
Current Median Median Current Median Med
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COLORADO
GUNNISON RIVER BASIN
Butte 10190 .1 .6 17* 16.4 17.9 92
Castle Peak 11500 21.8 -M * 30.2 -M *
Cochetopa Pass 10020 .0 .0 * 7.4 9.8 76
Columbine Pass 9160 .0 .0 * 18.9 26.5 71
Idarado 9780 .2 .0 * 21.1 22.8 93
Mc Clure Pass 8760 .0 .0 * 17.0 23.6 72
Mesa Lakes 10160 .5 6.6 8 20.8 25.6 81
Overland Res. 9890 .2 .0 * 12.0 19.2 62
Park Cone 9600 .0 .0 * 13.8 13.6 101
Park Reservoir 9990 6.4 18.9 34 19.0 30.4 62
Porphyry Creek 10790 6.0 4.5 133 22.5 19.4 116
Rat Creek 11680 .6 -M * 16.4 -M *
Red Mountain Pass 11050 12.7 15.7 81 27.5 30.4 90
Sargents Mesa 11490 .0 5.6 0 12.2 15.4 79
Schofield Pass 10640 10.0 23.6 42 29.8 36.4 82
Slumgullion 11560 .0 4.0 0 14.2 16.8 85
Upper Taylor 10710 .0 2.3 0 19.6 21.1 93
Wager Gulch 11110 .1 -M * 16.0 -M *
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Basin Index (%) 44 83
UPPER COLORADO RIVER BASIN
Arapaho Ridge 10960 14.7 19.6 75 24.1 28.4 85
Bear River 9100 .1 4.0 2 13.8 17.2 80
Beaver Ck Village 8530 .0 .0 * 16.3 18.0 91
Berthoud Summit 11300 16.6 16.7 99 31.3 30.6 102
Bison Lake 10950 10.2 24.7 41 23.0 31.8 72
Buffalo Park 9240 1.3 5.8 22 17.1 20.6 83
Castle Peak 11500 21.8 -M * 30.2 -M *
Chapman Tunnel 10090 .3 5.7 5 16.8 21.7 77
Columbine 9170 .0 1.2 0* 30.3 31.1 97
Copper Mountain 10500 9.6 8.6 112 19.0 21.4 89
Elliot Ridge 10550 9.3 14.2 65 20.2 -M *
Fool Creek 11130 20.0 -M * 25.8 -M *
Fremont Pass 11310 17.9 18.0 99 20.1 20.7 97
Grizzly Peak 11110 14.4 9.2 157 23.7 23.2 102
High Lonesome 10630 12.9 -M * 24.9 -M *
Hoosier Pass 11600 10.2 11.1 92 16.7 20.6 81
Independence Pass 10570 .2 6.3 3 18.7 21.9 85
Ivanhoe 10540 8.7 8.9 98 22.4 26.9 83
Jones Pass 10420 3.3 11.2 29 25.2 25.2 100
Kiln 9610 .1 .0 * 15.2 17.9 85
Lake Irene 10680 14.9 17.2 87 26.9 26.6 101
Lynx Pass 8910 .2 .0 * 14.1 16.6 85
Mc Clure Pass 8760 .0 .0 * 17.0 23.6 72
Mccoy Park 9500 .1 .0 * 20.3 21.2 96
Mesa Lakes 10160 .5 6.6 8 20.8 25.6 81
Middle Fork Camp 8960 .1 .0 * 17.0 19.4 88
Nast Lake 8710 .1 .0 * 12.8 15.0 85
North Lost Trail 9190 .2 .1 200* 20.6 26.1 79
Overland Res. 9890 .2 .0 * 12.0 19.2 62
Park Reservoir 9990 6.4 18.9 34 19.0 30.4 62
Phantom Valley 9030 .0 .0 * 15.7 17.4 90
Schofield Pass 10640 10.0 23.6 42 29.8 36.4 82
Stillwater Creek 8760 .1 -M * 14.0 13.4 104
Summit Ranch 9350 .1 .0 * 16.5 17.2 96
Vail Mountain 10290 .5 11.4 4 21.6 25.4 85
Willow Creek Pass 9520 7.7 10.8 71 16.2 17.7 92
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Basin Index (%) 62 86
SOUTH PLATTE RIVER BASIN
Bear Lake 9490 8.7 13.0 67 22.1 24.6 90
Berthoud Summit 11300 16.6 16.7 99 31.3 30.6 102
Black Mountain 8950 .0 1.4 0 15.7 18.6 84
Buckskin Joe 11160 6.7 8.5 79 14.2 17.0 84
Copeland Lake 8570 .1 .0 * 16.6 18.7 89
Deadman Hill 10240 9.7 16.2 60 22.4 24.0 93
Echo Lake 10660 5.4 6.7 81 14.9 15.6 96
Hoosier Pass 11600 10.2 11.1 92 16.7 20.6 81
Hourglass Lake 9380 .1 3.6 3 16.7 17.8 94
Jackwhacker Gulch 11030 3.0 8.0 38 21.3 21.6 99
Joe Wright 10140 16.8 19.2 88 33.2 33.6 99
Lake Eldora 9700 .0 .0 * 21.6 22.6 96
Lake Irene 10680 14.9 17.2 87 26.9 26.6 101
Long Draw Resv 9990 7.2 12.4 58 21.2 23.2 91
Loveland Basin 11410 21.3 19.8 108 23.2 23.9 97
Michigan Creek 10700 2.2 7.0 31 15.7 19.7 80
Niwot 9940 2.9 7.4 39 20.0 22.2 90
Rough And Tumble 10420 .4 1.2 33 10.1 11.6 87
Sawtooth 9640 20.9 -M * 34.4 -M *
University Camp 10330 17.0 16.4 104 24.9 27.0 92
Wild Basin 9410 8.3 9.4 88 21.3 20.7 103
Willow Park 10710 14.9 13.0 115 27.3 28.8 95
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Basin Index (%) 80 93
LARAMIE AND NORTH PLATTE RIVER BASINS
Arapaho Ridge 10960 14.7 19.6 75 24.1 28.4 85
Blackhall Mtn 9830 18.4 28.7 64 35.1 39.4 89
Columbine 9170 .0 1.2 0* 30.3 31.1 97
Deadman Hill 10240 9.7 16.2 60 22.4 24.0 93
Joe Wright 10140 16.8 19.2 88 33.2 33.6 99
Never Summer 10300 18.0 20.0 90 21.1 22.2 95
Rawah 9100 .0 .4 0* 16.9 20.2 84
Roach 9710 .5 9.3 5 19.9 24.2 82
Tower 10610 35.1 43.2 81 48.2 49.4 98
Whiskey Park 8950 12.7 22.6 56 32.1 36.0 89
Willow Creek Pass 9520 7.7 10.8 71 16.2 17.7 92
Zirkel 9320 .2 9.3 2 33.9 35.9 94
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Basin Index (%) 67 92
YAMPA AND WHITE RIVER BASINS
Battle Mountain 7460 .0 .0 * 17.8 19.2 93
Bear River 9100 .1 4.0 2 13.8 17.2 80
Bison Lake 10950 10.2 24.7 41 23.0 31.8 72
Buffalo Park 9240 1.3 5.8 22 17.1 20.6 83
Burro Mountain 9290 .5 1.6 31 22.9 24.7 93
Columbine 9170 .0 1.2 0* 30.3 31.1 97
Crosho 8960 .2 .0 * 19.8 20.4 97
Divide Peak 8700 .0 5.2 0 22.6 25.8 88
Dry Lake 8240 .1 .6 17* 28.8 30.2 95
Elk River 8710 .1 .0 * 22.9 23.7 97
Elkhead Divide 8780 .0 -M * 21.6 -M *
Little Snake River 8930 5.4 12.8 42 34.4 39.6 87
Lost Dog 9340 1.4 10.0 14 25.8 30.2 85
Lynx Pass 8910 .2 .0 * 14.1 16.6 85
Old Battle 9850 25.0 32.6 77 32.6 42.0 78
Rabbit Ears 9390 8.1 14.8 55 37.0 36.4 102
Ripple Creek 10340 13.7 20.2 68 27.4 31.9 86
Sage Creek Basin 7830 .0 .0 * 14.1 16.7 84
Sandstone RS 8150 .1 .0 * 16.8 21.7 77
Tower 10610 35.1 43.2 81 48.2 49.4 98
Trapper Lake 9750 .1 -M * 19.8 23.4 85
Whiskey Park 8950 12.7 22.6 56 32.1 36.0 89
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Basin Index (%) 57 89
ARKANSAS RIVER BASIN
Apishapa 10000 .1 .0 * 16.8 17.4 97
Brumley 10570 .0 .9 0* 13.9 16.6 84
Fremont Pass 11310 17.9 18.0 99 20.1 20.7 97
Glen Cove 11410 -M .6 * -M 15.7 *
Hayden Pass 10700 .0 8.4 0 15.9 16.6 96
Medano Pass 9650 .0 .0 * 14.4 16.0 90
Porphyry Creek 10790 6.0 4.5 133 22.5 19.4 116
Saint Elmo 10420 .0 .2 0* 14.3 16.4 87
South Colony 10790 .2 12.5 2 19.3 27.3 71
Ute Creek 10730 .0 .0 * 15.4 20.8 74
Whiskey Ck 10260 .0 .0 * 16.5 20.0 82
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Basin Index (%) 54* 88
UPPER RIO GRANDE BASIN
Beartown 11600 .0 5.2 0 -M 27.8 *
Cochetopa Pass 10020 .0 .0 * 7.4 9.8 76
Culebra #2 10570 .0 .0 * 14.3 18.1 79
Cumbres Trestle 10030 .2 5.0 4 20.4 28.6 71
Elwood Pass 11680 3.3 -M * 24.8 -M *
Grayback 11620 .0 -M * 17.6 20.8 85
Hayden Pass 10700 .0 8.4 0 15.9 16.6 96
Lily Pond 11060 .0 .0 * 17.9 23.2 77
Medano Pass 9650 .0 .0 * 14.4 16.0 90
Middle Creek 11260 2.6 8.9 29 18.2 26.2 69
Moon Pass 11110 .0 .0 * 10.3 10.9 94
North Costilla 10570 .2 .0 * 16.6 17.2 97
Rat Creek 11680 .6 -M * 16.4 -M *
San Antonio Sink 9120 .0 -M * 13.2 -M *
Sargents Mesa 11490 .0 5.6 0 12.2 15.4 79
Shuree 10080 .0 .0 * 14.0 11.4 123
Slumgullion 11560 .0 4.0 0 14.2 16.8 85
Trinchera 10850 .0 .0 * 13.7 15.3 90
Upper Rio Grande 9370 .0 .0 * 11.3 11.9 95
Ute Creek 10730 .0 .0 * 15.4 20.8 74
Wager Gulch 11110 .1 -M * 16.0 -M *
Wolf Creek Summit 10930 4.4 28.2 16 22.2 37.2 60
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Basin Index (%) 11* 81
SAN MIGUEL, DOLORES, ANIMAS AND SAN JUAN RIVER BASINS
Beartown 11600 .0 5.2 0 -M 27.8 *
Black Mesa 11580 15.8 -M * 23.6 -M *
Cascade 8900 -M .0 * -M 22.8 *
Cascade #2 8990 .0 .0 * 16.2 21.8 74
Columbine Pass 9160 .0 .0 * 18.9 26.5 71
Columbus Basin 10780 6.2 14.8 42 24.4 31.1 78
El Diente Peak 10210 -M .0 * 21.1 23.1 91
Elwood Pass 11680 3.3 -M * 24.8 -M *
Lizard Head Pass 10190 .1 .2 50* 17.4 18.8 93
Lone Cone 9730 .1 .0 * 19.2 22.7 85
Mancos 10020 .0 .0 * 15.5 20.8 75
Mineral Creek 10030 .2 .0 * 19.1 20.6 93
Molas Lake 10610 .0 2.7 0 19.8 24.3 81
Red Mountain Pass 11050 12.7 15.7 81 27.5 30.4 90
Scotch Creek 9160 .0 .0 * 17.7 19.9 89
Sharkstooth 10730 .0 6.8 0 20.8 24.6 85
Spud Mountain 10660 .7 5.4 13 24.8 34.5 72
Stump Lakes 11230 .5 11.5 4 19.3 22.9 84
Upper San Juan 10140 .4 12.0 3 22.9 38.5 59
Vallecito 10740 .0 .2 0* 16.2 21.0 77
Weminuche Creek 10730 .0 .4 0* 19.4 24.6 79
Wolf Creek Summit 10930 4.4 28.2 16 22.2 37.2 60
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Basin Index (%) 25* 78
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