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 FRIDAY: FEBRUARY 9 , 2024 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7060 8.7 12.6 69 12.2 14.7 83 Blind Bull Sum 8650 13.1 16.0 82 9.2 12.8 72 Cottonwood Creek 7670 14.1 14.2 99 17.4 16.6 105 East Rim Divide 7930 5.4 7.2 75 6.7 7.8 86 Grand Targhee 9260 24.9 29.6 84 19.6 22.2 88 Granite Creek 6770 8.0 11.8 68 9.4 13.1 72 Grassy Lake 7265 16.2 21.6 75 21.6 24.2 89 Gros Ventre Summit 8750 6.4 8.2 78 7.8 8.2 95 Gunsight Pass 9820 7.6 8.8 86 9.7 9.5 102 Lewis Lake Divide 7850 16.8 20.0 84 21.5 22.4 96 Loomis Park 8240 7.6 10.6 72 8.9 11.1 80 Phillips Bench 8200 14.0 16.8 83 16.7 18.4 91 Salt River Summit 7640 8.9 8.4 106 8.9 10.7 83 Snake River Station 6920 9.5 12.2 78 14.9 15.8 94 Somsen Ranch 6800 10.3 9.0 114 14.2 11.6 122 Spring Creek Divide 9000 13.5 15.8 85 14.1 15.8 89 Thumb Divide 7980 8.8 10.2 86 10.2 11.8 86 Togwotee Pass 9580 11.6 15.0 77 11.5 16.6 69 Triple Peak 8500 12.8 15.4 83 14.4 16.4 88 Two Ocean Plateau 9240 14.8 20.5 72 15.7 17.6 89 Willow Creek 8080 18.7 18.6 101 21.8 22.1 99 Younts Peak 8350 6.7 9.6 70 8.7 10.1 86 ----- ----- Basin Index (%) 83 90 MADISON HEADWATERS IN WYOMING Black Bear 8170 19.4 24.4 80 23.2 24.0 97 Canyon 7870 5.9 -M * 8.2 -M * Madison Plateau 7750 11.4 14.4 79 14.3 15.8 91 West Yellowstone 6700 4.5 7.4 61 8.7 9.8 89 Whiskey Creek 6800 7.5 9.9 76 12.8 12.7 101 ----- ----- Basin Index (%) 76 95 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 8.9 15.6 57 8.6 14.5 59 Canyon 7870 5.9 -M * 8.2 -M * Evening Star 9200 11.8 18.3 64 17.6 19.8 89 Fisher Creek 9100 11.7 22.4 52 14.6 22.0 66 Monument Peak 8850 8.6 13.8 62 11.5 15.2 76 Northeast Entrance 7350 2.5 6.8 37 6.0 9.0 67 Parker Peak 9400 11.2 14.6 77 13.1 14.0 94 Sylvan Lake 8420 9.4 13.2 71 14.9 16.0 93 Thumb Divide 7980 8.8 10.2 86 10.2 11.8 86 Two Ocean Plateau 9240 14.8 20.5 72 15.7 17.6 89 White Mill 8700 9.3 16.6 56 10.5 15.6 67 Wolverine 7650 5.9 8.6 69 9.0 8.8 102 ----- ----- Basin Index (%) 64 80 WIND RIVER Burroughs Creek 8750 6.7 -M * 7.3 -M * Castle Creek 8400 4.2 5.0 84 5.4 6.2 87 Cold Springs 9630 5.3 5.2 102 7.9 6.3 125 Deer Park 9700 9.8 9.0 109 11.6 10.7 108 Hobbs Park 10100 10.1 8.8 115 11.0 7.8 141 Kirwin 9550 7.8 7.1 110 10.0 8.0 125 Little Warm 9370 5.8 6.8 85 8.1 7.8 104 South Pass 9040 8.4 8.6 98 10.0 9.6 104 St. Lawrence Alt 8620 3.6 -M * 6.6 -M * Togwotee Pass 9580 11.6 15.0 77 11.5 16.6 69 Townsend Creek 8700 5.7 5.8 98 9.1 7.2 126 ----- ----- Basin Index (%) 96 105 BIGHORN BASIN Bald Mtn. 9380 8.2 11.8 69 7.9 10.4 76 Bear Trap Meadow 8200 2.1 4.1 51 4.8 5.4 89 Bone Springs Div 9350 7.1 10.6 67 7.7 9.6 80 Grave Springs 8550 2.0 5.1 39 4.3 6.0 72 Kirwin 9550 7.8 7.1 110 10.0 8.0 125 Marquette 8760 7.9 4.5 176 10.8 6.2 174 Middle Powder 7760 3.1 6.2 50 5.0 6.2 81 Owl Creek 8975 -M 3.7 * -M 4.0 * Powder River Pass 9480 3.8 7.2 53 6.8 8.5 80 Shell Creek 9580 7.4 9.6 77 8.2 9.0 91 Timber Creek 7950 5.1 3.2 159 8.8 5.1 173 ----- ----- Basin Index (%) 79 100 SHOSHONE RIVER Blackwater 9780 13.2 15.6 85 13.5 15.0 90 Evening Star 9200 11.8 18.3 64 17.6 19.8 89 Marquette 8760 7.9 4.5 176 10.8 6.2 174 Sylvan Lake 8420 9.4 13.2 71 14.9 16.0 93 Sylvan Road 7120 4.1 8.6 48 10.6 12.4 85 Younts Peak 8350 6.7 9.6 70 8.7 10.1 86 ----- ----- Basin Index (%) 76 96 POWDER RIVER Bear Trap Meadow 8200 2.1 4.1 51 4.8 5.4 89 Cloud Peak Reservoir 9860 7.3 9.1 80 9.0 8.6 105 Grave Springs 8550 2.0 5.1 39 4.3 6.0 72 Hansen Sawmill 8360 1.7 4.4 39 4.4 5.4 81 Middle Powder 7760 3.1 6.2 50 5.0 6.2 81 Powder River Pass 9480 3.8 7.2 53 6.8 8.5 80 Soldier Park 8720 1.4 4.4 32 6.1 6.2 98 ----- ----- Basin Index (%) 53 87 TONGUE RIVER Big Goose 7990 2.8 5.2 54 6.8 6.6 103 Bone Springs Div 9350 7.1 10.6 67 7.7 9.6 80 Burgess Junction 7880 4.0 7.0 57 7.5 7.9 95 Dome Lake 8880 -M 7.1 * 6.3 8.1 78 Little Goose 8870 4.3 6.6 65 7.6 7.7 99 Sucker Creek 8880 5.6 7.9 71 8.9 8.6 103 Tie Creek 6870 .8 3.6 22 8.6 7.3 118 ----- ----- Basin Index (%) 60 96 BELLE FOURCHE Blind Park 6890 2.3 5.2 44 4.3 6.7 64 Cole Canyon 5910 1.9 3.7 51 3.5 5.6 62 North Rapid Creek 6130 3.9 4.9 80 5.4 5.5 98 ----- ----- Basin Index (%) 59 74 CHEYENNE RIVER BASIN Blind Park 6890 2.3 5.2 44 4.3 6.7 64 North Rapid Creek 6130 3.9 4.9 80 5.4 5.5 98 ----- ----- Basin Index (%) 61 80 UPPER N. PLATTE Arapaho Ridge 10976 13.9 15.2 91 14.1 15.3 92 Blackhall Mtn 9839 19.2 19.6 98 21.0 20.0 105 Cinnabar Park 9707 9.5 13.8 69 11.5 16.4 70 Columbine 9167 16.3 15.5 105 16.7 16.4 102 Divide Peak 8730 11.1 13.2 84 14.9 14.6 102 Joe Wright 10158 10.0 12.9 78 14.0 16.8 83 Laprele Creek 8390 4.0 5.6 71 6.7 7.4 91 Med Bow 10512 20.2 -M * 19.4 -M * Never Summer 10323 11.4 13.1 87 8.4 11.2 75 North French Creek 10153 14.0 18.0 78 14.7 17.6 84 Old Battle 9860 17.0 20.4 83 18.0 23.3 77 Rawah 9069 6.9 7.8 88 10.1 10.9 93 Sage Creek Basin 7850 7.5 9.5 79 9.5 9.2 103 Sand Lake 10098 14.6 17.2 85 14.3 16.0 89 South Brush Creek 8495 5.3 7.7 69 6.9 9.0 77 Tower 10620 26.2 27.4 96 24.7 26.6 93 Webber Springs 9260 12.9 13.9 93 14.2 17.2 83 Whiskey Park 9020 19.2 17.4 110 19.9 18.2 109 Willow Creek Pass 9523 8.7 8.6 101 9.8 8.8 111 Zirkel 9338 15.6 19.6 80 17.8 21.4 83 ----- ----- Basin Index (%) 88 90 SWEETWATER Deer Park 9700 9.8 9.0 109 11.6 10.7 108 Larsen Creek 9000 4.1 7.0 59 8.1 8.8 92 South Pass 9040 8.4 8.6 98 10.0 9.6 104 ----- ----- Basin Index (%) 91 102 LOWER N. PLATTE Casper Mtn. 7920 5.3 8.1 65 9.8 8.8 111 Laprele Creek 8390 4.0 5.6 71 6.7 7.4 91 Reno Hill 8430 5.6 8.4 67 9.5 8.8 108 Windy Peak 7915 4.3 4.8 90 5.8 6.6 88 ----- ----- Basin Index (%) 71 101 LARAMIE RIVER Brooklyn Lake 10250 12.3 14.2 87 13.2 14.1 94 Cinnabar Park 9707 9.5 13.8 69 11.5 16.4 70 Crow Creek 8335 2.1 5.5 38 5.5 6.9 80 Deadman Hill 10239 10.3 11.4 90 9.7 11.6 84 Rawah 9069 6.9 7.8 88 10.1 10.9 93 Roach 9740 7.6 10.4 73 9.6 12.4 77 Windy Peak 7915 4.3 4.8 90 5.8 6.6 88 ----- ----- Basin Index (%) 78 83 S. PLATTE Crow Creek 8335 2.1 5.5 38 5.5 6.9 80 ----- ----- Basin Index (%) 38 80 LITTLE SNAKE RIVER Battle Mountain 7498 7.2 7.8 92 12.0 10.6 113 Divide Peak 8730 11.1 13.2 84 14.9 14.6 102 Elk River 8739 11.8 11.8 100 12.8 12.8 100 Elkhead Divide 8800 14.2 -M * 16.1 -M * Little Snake River 8928 17.7 17.0 104 21.1 23.1 91 Old Battle 9860 17.0 20.4 83 18.0 23.3 77 Sage Creek Basin 7850 7.5 9.5 79 9.5 9.2 103 Sandstone RS 8152 11.0 9.0 122 11.0 12.0 92 Whiskey Park 9020 19.2 17.4 110 19.9 18.2 109 ----- ----- Basin Index (%) 97 96 UPPER GREEN RIVER Big Sandy Opening 9080 7.4 8.8 84 8.2 8.3 99 Blind Bull Sum 8650 13.1 16.0 82 9.2 12.8 72 East Rim Divide 7930 5.4 7.2 75 6.7 7.8 86 Elkhart Park G.S. 9400 5.9 8.2 72 7.4 8.8 84 Gros Ventre Summit 8750 6.4 8.2 78 7.8 8.2 95 Gunsight Pass 9820 7.6 8.8 86 9.7 9.5 102 Indian Creek 9425 13.4 15.2 88 12.0 13.8 87 Kendall R.S. 7740 5.1 8.1 63 8.0 9.0 89 Larsen Creek 9000 4.1 7.0 59 8.1 8.8 92 Loomis Park 8240 7.6 10.6 72 8.9 11.1 80 New Fork Lake 8340 5.3 7.0 76 -M 7.1 * Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 5.4 8.8 61 7.4 9.4 79 Spring Creek Divide 9000 13.5 15.8 85 14.1 15.8 89 Triple Peak 8500 12.8 15.4 83 14.4 16.4 88 ----- ----- Basin Index (%) 78 87 LOWER GREEN RIVER Blacks Fork Jct 8869 7.7 5.4 143 9.9 8.4 118 Buck Pasture 9632 10.4 -M * 11.2 -M * EF Blacks Fork GS 9360 5.7 7.2 79 7.2 7.0 103 Hams Fork 7840 -M 7.8 * 7.0 7.6 92 Henrys Fork 10182 -M -M * 9.1 -M * Hewinta 9500 6.9 5.9 117 10.5 9.0 117 Hickerson Park 9122 6.0 4.4 136 8.5 6.8 125 Hole-in-Rock 9168 5.5 4.5 122 6.8 6.7 101 Indian Creek 9425 13.4 15.2 88 12.0 13.8 87 Kelley R.S. 8180 9.9 9.7 102 10.9 11.6 94 Spirit Lk 10235 8.6 7.2 119 12.1 10.8 112 Steel Creek Park 10158 9.7 9.4 103 12.0 10.0 120 ----- ----- Basin Index (%) 107 106 UPPER BEAR RIVER Bear River RS 8777 7.1 6.2 115 9.5 7.8 122 Bug Lake 7987 14.6 12.6 116 14.9 12.8 116 Burts Miller Ranch 8000 5.5 4.5 122 8.8 5.2 169 Chalk Creek #1 9171 13.6 13.6 100 15.8 15.4 103 Giveout 6930 6.1 6.2 98 7.9 8.6 92 Hayden Fork 9130 11.3 9.1 124 15.4 13.0 118 Kelley R.S. 8180 9.9 9.7 102 10.9 11.6 94 Lily Lake 9133 9.3 8.1 115 10.8 10.4 104 Monte Cristo 8932 17.7 17.0 104 18.0 17.3 104 Salt River Summit 7640 8.9 8.4 106 8.9 10.7 83 Spring Creek Divide 9000 13.5 15.8 85 14.1 15.8 89 Trial Lake 9992 15.2 13.8 110 16.1 15.0 107 ----- ----- Basin Index (%) 106 105 ----------------------------------------------------------------------------- -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.