Supercell over Laramie
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Wyoming 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 TUESDAY: JUNE 4 , 2024 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7060 -M .0 * 24.9 25.6 97 Blind Bull Sum 8650 19.1 12.1 158 21.2 23.6 90 Cottonwood Creek 7670 .1 .0 * 33.3 32.9 101 East Rim Divide 7930 -M .0 * 14.1 15.4 92 Grand Targhee 9260 35.6 34.0 105 38.8 40.8 95 Granite Creek 6770 -M .0 * 21.6 24.4 89 Grassy Lake 7265 2.7 .6 450* 40.9 44.0 93 Gros Ventre Summit 8750 -M .0 * -M 16.2 * Gunsight Pass 9820 .8 1.8 44 19.0 18.3 104 Lewis Lake Divide 7850 6.6 8.0 82 42.1 41.4 102 Loomis Park 8240 .2 .0 * 18.7 22.1 85 Phillips Bench 8200 11.9 6.7 178 36.3 32.8 111 Salt River Summit 7640 .0 .0 * 17.1 20.6 83 Snake River Station 6920 .0 .0 * 26.6 28.8 92 Somsen Ranch 6800 -M .0 * 25.1 21.5 117 Spring Creek Divide 9000 -M 11.0 * -M 29.8 * Thumb Divide 7980 .3 .0 * 22.1 23.7 93 Togwotee Pass 9580 12.7 17.3 73 26.3 31.3 84 Triple Peak 8500 -M .0 * 31.5 32.4 97 Two Ocean Plateau 9240 24.3 23.0 106 32.7 33.6 97 Willow Creek 8080 5.5 1.4 393* 43.0 42.6 101 Younts Peak 8350 .2 .0 * 19.9 20.6 97 ----- ----- Basin Index (%) 114* 96 MADISON HEADWATERS IN WYOMING Black Bear 8170 24.0 22.9 105 45.4 46.2 98 Canyon 7870 .2 -M * 17.7 -M * Madison Plateau 7750 3.8 4.9 78 28.4 32.6 87 West Yellowstone 6700 -M .0 * -M 18.6 * Whiskey Creek 6800 .1 .0 * 24.7 26.6 93 ----- ----- Basin Index (%) 100 93 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 17.6 16.6 106 23.9 27.4 87 Canyon 7870 .2 -M * 17.7 -M * Evening Star 9200 11.7 15.4 76 33.6 36.6 92 Fisher Creek 9100 23.7 28.4 83 37.1 42.6 87 Monument Peak 8850 8.5 10.4 82 27.9 28.6 98 Northeast Entrance 7350 .1 .0 * 17.1 17.6 97 Parker Peak 9400 14.5 11.2 129 29.8 25.6 116 Sylvan Lake 8420 .3 1.4 21* 29.9 30.1 99 Thumb Divide 7980 .3 .0 * 22.1 23.7 93 Two Ocean Plateau 9240 24.3 23.0 106 32.7 33.6 97 White Mill 8700 14.1 14.8 95 26.0 29.2 89 Wolverine 7650 .0 .0 * 17.0 16.5 103 ----- ----- Basin Index (%) 95 95 WIND RIVER Burroughs Creek 8750 .2 -M * 14.4 -M * Castle Creek 8400 .0 .0 * 10.5 13.6 77 Cold Springs 9630 .1 .0 * 15.2 16.4 93 Deer Park 9700 6.0 1.2 500* 27.8 25.0 111 Hobbs Park 10100 11.7 5.0 234 24.9 20.8 120 Kirwin 9550 .0 .0 * 20.7 18.4 112 Little Warm 9370 .1 .0 * 18.3 17.0 108 South Pass 9040 .8 .0 * 24.2 21.4 113 St. Lawrence Alt 8620 .0 -M * 15.4 -M * Togwotee Pass 9580 12.7 17.3 73 26.3 31.3 84 Townsend Creek 8700 -M .0 * 20.4 18.0 113 ----- ----- Basin Index (%) 134* 104 BIGHORN BASIN Bald Mtn. 9380 14.1 11.0 128 20.8 22.8 91 Bear Trap Meadow 8200 -M .0 * 15.9 14.6 109 Bone Springs Div 9350 11.9 3.4 350 18.8 21.6 87 Grave Springs 8550 .0 .0 * 15.2 14.8 103 Kirwin 9550 .0 .0 * 20.7 18.4 112 Marquette 8760 4.6 .0 * 24.3 17.8 137 Middle Powder 7760 .0 .0 * 16.3 16.4 99 Owl Creek 8975 -M .0 * 12.8 11.8 108 Powder River Pass 9480 .1 .0 * 19.4 19.3 101 Shell Creek 9580 10.2 6.7 152 20.4 19.6 104 Timber Creek 7950 -M .0 * 18.0 14.4 125 ----- ----- Basin Index (%) 194* 106 SHOSHONE RIVER Blackwater 9780 20.2 17.1 118 29.9 30.2 99 Evening Star 9200 11.7 15.4 76 33.6 36.6 92 Marquette 8760 4.6 .0 * 24.3 17.8 137 Sylvan Lake 8420 .3 1.4 21* 29.9 30.1 99 Sylvan Road 7120 .0 .0 * 19.0 21.1 90 Younts Peak 8350 .2 .0 * 19.9 20.6 97 ----- ----- Basin Index (%) 109* 100 POWDER RIVER Bear Trap Meadow 8200 -M .0 * 15.9 14.6 109 Cloud Peak Reservoir 9860 11.7 3.7 316 25.0 22.2 113 Grave Springs 8550 .0 .0 * 15.2 14.8 103 Hansen Sawmill 8360 -M .0 * 15.6 15.0 104 Middle Powder 7760 .0 .0 * 16.3 16.4 99 Powder River Pass 9480 .1 .0 * 19.4 19.3 101 Soldier Park 8720 .0 .0 * 16.2 16.2 100 ----- ----- Basin Index (%) 319* 104 TONGUE RIVER Big Goose 7990 .1 .0 * 19.0 19.5 97 Bone Springs Div 9350 11.9 3.4 350 18.8 21.6 87 Burgess Junction 7880 .5 .0 * 19.8 18.7 106 Dome Lake 8880 -M .0 * 22.6 21.2 107 Little Goose 8870 1.8 .0 * 22.6 21.4 106 Sucker Creek 8880 1.8 .0 * 24.9 22.2 112 Tie Creek 6870 -M .0 * 19.3 19.6 98 ----- ----- Basin Index (%) 474* 102 BELLE FOURCHE Blind Park 6890 .0 .0 * 13.9 17.7 79 Cole Canyon 5910 .1 .0 * 13.9 16.8 83 North Rapid Creek 6130 -M .0 * 14.1 15.1 93 ----- ----- Basin Index (%) * 84 CHEYENNE RIVER BASIN Blind Park 6890 .0 .0 * 13.9 17.7 79 North Rapid Creek 6130 -M .0 * 14.1 15.1 93 ----- ----- Basin Index (%) * 85 UPPER N. PLATTE Arapaho Ridge 10976 13.2 10.1 131 28.2 28.6 99 Blackhall Mtn 9839 20.1 20.7 97 44.0 41.2 107 Cinnabar Park 9707 .6 .0 * 28.6 29.4 97 Columbine 9167 -M .0 * 32.3 31.8 102 Divide Peak 8730 -M .0 * 31.3 26.9 116 Joe Wright 10158 11.5 12.2 94 33.0 34.7 95 Laprele Creek 8390 .0 .0 * 18.3 18.2 101 Med Bow 10512 -M -M * -M -M * Never Summer 10323 19.0 15.6 122 22.1 24.2 91 North French Creek 10153 19.0 17.1 111 36.2 37.5 97 Old Battle 9860 27.1 21.5 126 43.1 42.9 100 Rawah 9069 .0 .0 * 21.4 21.6 99 Sage Creek Basin 7850 -M .0 * 20.4 17.0 120 Sand Lake 10098 26.8 19.7 136 38.5 33.5 115 South Brush Creek 8495 .0 .0 * 17.4 20.2 86 Tower 10620 36.4 30.6 119 50.8 50.5 101 Webber Springs 9260 4.1 .0 * 33.1 33.0 100 Whiskey Park 9020 4.7 2.5 188* 37.0 36.8 101 Willow Creek Pass 9523 .2 .0 * 19.3 18.8 103 Zirkel 9338 .1 .0 * 37.2 36.5 102 ----- ----- Basin Index (%) 122* 102 SWEETWATER Deer Park 9700 6.0 1.2 500* 27.8 25.0 111 Larsen Creek 9000 -M .0 * 17.7 17.2 103 South Pass 9040 .8 .0 * 24.2 21.4 113 ----- ----- Basin Index (%) 567* 110 LOWER N. PLATTE Casper Mtn. 7920 -M .0 * 23.3 21.8 107 Laprele Creek 8390 .0 .0 * 18.3 18.2 101 Reno Hill 8430 .1 .0 * 23.0 23.4 98 Windy Peak 7915 .0 .0 * 15.4 17.2 90 ----- ----- Basin Index (%) * 99 LARAMIE RIVER Brooklyn Lake 10250 7.4 2.3 322* 32.8 29.1 113 Cinnabar Park 9707 .6 .0 * 28.6 29.4 97 Crow Creek 8335 .0 .0 * 13.5 16.2 83 Deadman Hill 10239 7.4 6.0 123 24.8 24.6 101 Rawah 9069 .0 .0 * 21.4 21.6 99 Roach 9740 .0 .4 0* 22.7 26.2 87 Windy Peak 7915 .0 .0 * 15.4 17.2 90 ----- ----- Basin Index (%) 177* 97 S. PLATTE Crow Creek 8335 .0 .0 * 13.5 16.2 83 ----- ----- Basin Index (%) * 83 LITTLE SNAKE RIVER Battle Mountain 7498 .1 .0 * 23.7 20.0 118 Divide Peak 8730 -M .0 * 31.3 26.9 116 Elk River 8739 .1 .0 * 24.8 24.6 101 Elkhead Divide 8800 .1 -M * 28.9 -M * Little Snake River 8928 3.6 .0 * 42.4 41.5 102 Old Battle 9860 27.1 21.5 126 43.1 42.9 100 Sage Creek Basin 7850 -M .0 * 20.4 17.0 120 Sandstone RS 8152 .1 .0 * 23.9 22.4 107 Whiskey Park 9020 4.7 2.5 188* 37.0 36.8 101 ----- ----- Basin Index (%) 149* 106 UPPER GREEN RIVER Big Sandy Opening 9080 -M .0 * 18.4 17.4 106 Blind Bull Sum 8650 19.1 12.1 158 21.2 23.6 90 East Rim Divide 7930 -M .0 * 14.1 15.4 92 Elkhart Park G.S. 9400 -M .0 * 15.4 17.4 89 Gros Ventre Summit 8750 -M .0 * -M 16.2 * Gunsight Pass 9820 .8 1.8 44 19.0 18.3 104 Indian Creek 9425 7.6 7.6 100 25.0 26.2 95 Kendall R.S. 7740 .1 .0 * 16.2 17.5 93 Larsen Creek 9000 -M .0 * 17.7 17.2 103 Loomis Park 8240 .2 .0 * 18.7 22.1 85 New Fork Lake 8340 -M .0 * -M 15.6 * Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 -M .0 * 16.5 18.5 89 Spring Creek Divide 9000 -M 11.0 * -M 29.8 * Triple Peak 8500 -M .0 * 31.5 32.4 97 ----- ----- Basin Index (%) 129* 95 LOWER GREEN RIVER Blacks Fork Jct 8869 .3 .0 * 18.2 15.7 116 Buck Pasture 9632 -M -M * 23.2 -M * EF Blacks Fork GS 9360 -M .0 * 17.2 16.8 102 Hams Fork 7840 -M .0 * 15.0 15.6 96 Henrys Fork 10182 -M -M * 18.2 -M * Hewinta 9500 -M .0 * 19.8 18.2 109 Hickerson Park 9122 -M .0 * 17.4 14.4 121 Hole-in-Rock 9168 -M .0 * 14.9 14.4 103 Indian Creek 9425 7.6 7.6 100 25.0 26.2 95 Kelley R.S. 8180 -M .0 * 21.8 22.5 97 Spirit Lk 10235 -M .0 * 23.8 20.7 115 Steel Creek Park 10158 7.4 4.4 168 23.8 21.6 110 ----- ----- Basin Index (%) 128* 106 UPPER BEAR RIVER Bear River RS 8777 .0 .0 * 18.1 15.2 119 Bug Lake 7987 .1 .0 * 27.0 22.8 118 Burts Miller Ranch 8000 .2 .0 * 15.0 9.9 152 Chalk Creek #1 9171 .5 .0 * 30.9 29.9 103 Giveout 6930 .2 .0 * 16.2 17.2 94 Hayden Fork 9130 .0 .0 * 28.8 26.2 110 Kelley R.S. 8180 -M .0 * 21.8 22.5 97 Lily Lake 9133 .1 .0 * 20.2 21.4 94 Monte Cristo 8932 6.0 1.6 375* 35.2 31.5 112 Salt River Summit 7640 .0 .0 * 17.1 20.6 83 Spring Creek Divide 9000 -M 11.0 * -M 29.8 * Trial Lake 9992 11.7 .7 1671* 33.0 28.6 115 ----- ----- Basin Index (%) 817* 107 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Median (or Average) Snow Water Equivalent and Total Precipitation values If the Basin Index (%) value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Median (or Average) represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the Median (or Average) value for those sites on this day. The TOTAL PRECIPITATION Percent of Median (or Average) represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the Median (or Average) value for those sites on this day. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1991-2020. Provisional data, subject to revision. * Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median or average for the day is less than 10% of the maximum median or average value for the year. * Basin - More than half of the stations for a basin with medians (or averages) report missing or invalid data The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians or averages and the resulting fraction multiplied by 100. ---------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Normal Snow Water Equivalent and Total Precipitation values If the Basin Index (%) value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Median represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the Median value for those sites on this day. The TOTAL PRECIPITATION Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the Average value for those sites on this day. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1981-2010. Provisional data, subject to revision. * Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median for the day is less than 10% of the maximum median value for the year. * Basin - More than half of the sites within the basin are flagged with *, preventing the calculation of a meaningful basin index. The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians (for snow water equivalent) or averages (for precipitation) and the resulting fraction multiplied by 100.