Supercell over Laramie
WRDS/SCO may be working remotely so there could be a slight delay returning phone calls. Please email wrds@uwyo.edu if you are in need of information and we will respond as soon as possible

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: JANUARY 7 , 2022 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7060 9.5 8.3 114 12.3 11.0 112 Blind Bull Sum 8650 14.1 10.2 138 10.6 8.8 120 Cottonwood Creek 7670 11.5 9.0 128 17.3 11.6 149 East Rim Divide 7930 -M 4.8 * -M 5.6 * Grand Targhee 9260 22.1 20.8 106 -M 16.4 * Granite Creek 6770 8.4 7.0 120 11.0 9.4 117 Grassy Lake 7265 -M 13.2 * -M 17.2 * Gros Ventre Summit 8750 7.6 6.6 115 7.9 6.6 120 Gunsight Pass 9820 8.6 6.4 134 9.4 7.2 131 Lewis Lake Divide 7850 17.5 13.8 127 23.2 16.9 137 Loomis Park 8240 8.3 6.8 122 11.1 8.0 139 Phillips Bench 8200 12.7 11.4 111 16.2 13.0 125 Salt River Summit 7640 7.8 5.1 153 12.1 7.5 161 Snake River Station 6920 8.5 7.5 113 13.8 11.6 119 Somsen Ranch 6800 8.2 5.2 158 13.5 8.6 157 Spring Creek Divide 9000 14.6 10.6 138 16.6 11.0 151 Thumb Divide 7980 9.8 6.8 144 12.7 8.8 144 Togwotee Pass 9580 13.3 11.6 115 14.6 12.1 121 Triple Peak 8500 14.4 9.3 155 18.2 11.4 160 Two Ocean Plateau 9240 18.3 14.2 129 15.6 13.8 113 Willow Creek 8080 16.0 12.0 133 21.7 15.6 139 Younts Peak 8350 9.2 7.0 131 6.4 7.4 86 ----- ----- Basin Index (%) 127 132 MADISON HEADWATERS IN WYOMING Black Bear 8170 21.3 18.0 118 -M 19.4 * Canyon 7870 5.9 -M * 8.6 -M * Madison Plateau 7750 12.5 10.5 119 15.0 12.6 119 West Yellowstone 6700 6.3 5.0 126 9.6 7.7 125 Whiskey Creek 6800 7.9 6.7 118 10.5 10.1 104 ----- ----- Basin Index (%) 119 115 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 9.5 11.1 86 9.1 10.1 90 Canyon 7870 5.9 -M * 8.6 -M * Evening Star 9200 15.8 13.2 120 -M 15.2 * Fisher Creek 9100 17.3 16.4 105 18.9 17.2 110 Monument Peak 8850 9.6 9.8 98 12.2 11.6 105 Northeast Entrance 7350 3.2 4.7 68 7.0 7.0 100 Parker Peak 9400 11.5 11.0 105 11.5 10.6 108 Sylvan Lake 8420 9.5 9.6 99 14.1 12.5 113 Thumb Divide 7980 9.8 6.8 144 12.7 8.8 144 Two Ocean Plateau 9240 18.3 14.2 129 15.6 13.8 113 White Mill 8700 11.6 11.5 101 12.0 12.1 99 Wolverine 7650 6.8 5.9 115 7.8 6.8 115 ----- ----- Basin Index (%) 108 109 WIND RIVER Burroughs Creek 8750 5.8 -M * 8.8 -M * Castle Creek 8400 3.0 3.6 83 4.3 4.8 90 Cold Springs 9630 6.6 4.0 165 -M 5.2 * Deer Park 9700 7.5 6.3 119 10.5 8.5 124 Hobbs Park 10100 9.5 6.9 138 10.4 6.4 162 Kirwin 9550 7.6 5.9 129 8.6 6.4 134 Little Warm 9370 7.7 4.9 157 10.1 6.2 163 South Pass 9040 7.1 6.6 108 9.0 7.6 118 St. Lawrence Alt 8620 1.3 -M * 6.2 -M * Togwotee Pass 9580 13.3 11.6 115 14.6 12.1 121 Townsend Creek 8700 4.7 4.3 109 7.6 5.8 131 ----- ----- Basin Index (%) 124 130 BIGHORN BASIN Bald Mtn. 9380 8.3 9.6 86 8.3 8.1 102 Bear Trap Meadow 8200 3.3 3.1 106 5.4 4.6 117 Bone Springs Div 9350 8.4 7.8 108 7.5 7.6 99 Grave Springs 8550 2.9 3.7 78 5.1 4.6 111 Kirwin 9550 7.6 5.9 129 8.6 6.4 134 Marquette 8760 1.7 3.7 46 4.8 5.0 96 Middle Powder 7760 3.6 4.6 78 5.6 5.3 106 Owl Creek 8975 3.6 2.8 129 4.6 3.4 135 Powder River Pass 9480 5.5 5.6 98 4.9 6.6 74 Shell Creek 9580 7.5 7.5 100 8.0 7.1 113 Timber Creek 7950 1.6 2.5 64 3.7 4.2 88 ----- ----- Basin Index (%) 95 106 SHOSHONE RIVER Blackwater 9780 13.0 12.2 107 14.1 11.6 122 Evening Star 9200 15.8 13.2 120 -M 15.2 * Marquette 8760 1.7 3.7 46 4.8 5.0 96 Sylvan Lake 8420 9.5 9.6 99 14.1 12.5 113 Sylvan Road 7120 4.9 6.0 82 -M 9.9 * Younts Peak 8350 9.2 7.0 131 6.4 7.4 86 ----- ----- Basin Index (%) 105 108 POWDER RIVER Bear Trap Meadow 8200 3.3 3.1 106 5.4 4.6 117 Cloud Peak Reservoir 9860 7.2 6.8 106 8.4 6.6 127 Grave Springs 8550 2.9 3.7 78 5.1 4.6 111 Hansen Sawmill 8360 3.7 3.4 109 6.1 4.2 145 Middle Powder 7760 3.6 4.6 78 5.6 5.3 106 Powder River Pass 9480 5.5 5.6 98 4.9 6.6 74 Soldier Park 8720 .9 2.8 32 5.8 4.7 123 ----- ----- Basin Index (%) 90 113 TONGUE RIVER Big Goose 7990 3.0 3.7 81 6.8 5.3 128 Bone Springs Div 9350 8.4 7.8 108 7.5 7.6 99 Burgess Junction 7880 4.3 5.0 86 6.8 6.1 111 Dome Lake 8880 5.2 5.2 100 7.7 6.4 120 Little Goose 8870 3.9 4.7 83 7.7 6.0 128 Sucker Creek 8880 5.7 5.8 98 8.0 6.7 119 Tie Creek 6870 1.2 2.2 55 6.3 5.5 115 ----- ----- Basin Index (%) 92 117 BELLE FOURCHE Blind Park 6890 1.8 3.4 53 4.3 5.2 83 Cole Canyon 5910 1.2 2.6 46 5.4 4.2 129 North Rapid Creek 6130 2.0 3.5 57 3.4 4.0 85 ----- ----- Basin Index (%) 53 98 CHEYENNE RIVER BASIN Blind Park 6890 1.8 3.4 53 4.3 5.2 83 North Rapid Creek 6130 2.0 3.5 57 3.4 4.0 85 ----- ----- Basin Index (%) 55 84 UPPER N. PLATTE Arapaho Ridge 10960 14.0 10.9 128 13.4 11.0 122 Blackhall Mtn 9820 18.8 12.9 146 20.6 15.1 136 Cinnabar Park 9574 12.0 10.0 120 14.4 12.4 116 Columbine 9160 13.8 9.6 144 17.2 11.4 151 Divide Peak 8880 9.3 8.5 109 14.0 10.9 128 Joe Wright 10120 13.0 9.3 140 19.5 12.0 162 Laprele Creek 8375 2.6 4.0 65 5.8 5.6 104 Med Bow 10500 21.0 -M * 20.1 -M * Never Summer 10280 13.6 9.3 146 10.2 8.7 117 North French Creek 10130 16.0 12.7 126 17.1 13.0 132 Old Battle 10000 19.1 14.0 136 20.7 16.6 125 Rawah 9020 6.4 5.2 123 9.2 8.3 111 Sage Creek Basin 7850 5.2 6.3 83 7.4 7.0 106 Sand Lake 10050 15.9 12.5 127 16.5 11.4 145 South Brush Creek 8440 5.3 5.2 102 8.0 6.6 121 Tower 10500 27.4 17.9 153 28.1 19.0 148 Webber Springs 9250 13.9 10.0 139 17.1 12.7 135 Whiskey Park 8950 17.9 10.8 166 20.5 14.0 146 Willow Creek Pass 9540 8.6 6.2 139 9.4 6.9 136 Zirkel 9340 17.2 12.0 143 -M 15.4 * ----- ----- Basin Index (%) 133 133 SWEETWATER Deer Park 9700 7.5 6.3 119 10.5 8.5 124 Larsen Creek 9000 -M 3.2 * 8.6 6.0 143 South Pass 9040 7.1 6.6 108 9.0 7.6 118 ----- ----- Basin Index (%) 113 127 LOWER N. PLATTE Casper Mtn. 7900 3.2 5.5 58 8.4 6.7 125 Laprele Creek 8375 2.6 4.0 65 5.8 5.6 104 Reno Hill 8400 4.9 6.2 79 8.8 7.0 126 Windy Peak 7900 3.3 3.2 103 6.5 5.0 130 ----- ----- Basin Index (%) 74 121 LARAMIE RIVER Brooklyn Lake 10240 13.7 9.8 140 15.7 10.3 152 Cinnabar Park 9574 12.0 10.0 120 14.4 12.4 116 Crow Creek 8330 2.6 4.2 62 5.5 5.7 96 Deadman Hill 10220 12.3 8.4 146 11.3 8.8 128 Rawah 9020 6.4 5.2 123 9.2 8.3 111 Roach 9700 10.3 7.4 139 12.7 9.4 135 Windy Peak 7900 3.3 3.2 103 6.5 5.0 130 ----- ----- Basin Index (%) 126 126 S. PLATTE Crow Creek 8330 2.6 4.2 62 5.5 5.7 96 ----- ----- Basin Index (%) 62 96 LITTLE SNAKE RIVER Battle Mountain 7440 5.6 5.0 112 10.5 7.6 138 Divide Peak 8880 9.3 8.5 109 14.0 10.9 128 Elk River 8700 12.1 7.8 155 16.1 9.3 173 Elkhead Divide 8780 11.8 -M * 15.4 -M * Little Snake River 8915 14.5 11.4 127 22.3 16.6 134 Old Battle 10000 19.1 14.0 136 20.7 16.6 125 Sage Creek Basin 7850 5.2 6.3 83 7.4 7.0 106 Sandstone RS 8150 7.5 5.2 144 10.6 8.4 126 Whiskey Park 8950 17.9 10.8 166 20.5 14.0 146 ----- ----- Basin Index (%) 132 135 UPPER GREEN RIVER Big Sandy Opening 9080 6.6 6.6 100 8.6 6.6 130 Blind Bull Sum 8650 14.1 10.2 138 10.6 8.8 120 East Rim Divide 7930 -M 4.8 * -M 5.6 * Elkhart Park G.S. 9400 5.6 6.0 93 6.5 6.4 102 Gros Ventre Summit 8750 7.6 6.6 115 7.9 6.6 120 Gunsight Pass 9820 8.6 6.4 134 9.4 7.2 131 Indian Creek 9425 14.9 10.4 143 14.3 9.5 151 Kendall R.S. 7740 6.8 5.6 121 10.4 6.9 151 Larsen Creek 9000 -M 3.2 * 8.6 6.0 143 Loomis Park 8240 8.3 6.8 122 11.1 8.0 139 New Fork Lake 8340 5.8 5.0 116 -M 5.6 * Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 7.1 5.6 127 12.1 6.7 181 Spring Creek Divide 9000 14.6 10.6 138 16.6 11.0 151 Triple Peak 8500 14.4 9.3 155 18.2 11.4 160 ----- ----- Basin Index (%) 128 141 LOWER GREEN RIVER Blacks Fork Jct 8869 5.7 3.6 158 8.4 5.9 142 Buck Pasture 9632 8.7 -M * 11.8 -M * EF Blacks Fork GS 9360 6.6 4.2 157 9.5 5.3 179 Hams Fork 7840 6.5 5.0 130 8.8 5.5 160 Henrys Fork 10182 -M -M * 8.0 -M * Hewinta 9500 5.7 4.0 142 10.3 6.8 151 Hickerson Park 9122 3.2 3.1 103 5.5 5.0 110 Hole-in-Rock 9168 3.4 3.1 110 6.3 5.4 117 Indian Creek 9425 14.9 10.4 143 14.3 9.5 151 Kelley R.S. 8180 7.9 6.4 123 13.0 8.4 155 Spirit Lk 10235 7.5 5.5 136 10.2 8.2 124 Steel Creek Park 10158 9.3 6.5 143 11.9 7.9 151 ----- ----- Basin Index (%) 136 145 UPPER BEAR RIVER Bear River RS 8777 5.8 3.8 153 9.5 5.8 164 Bug Lake 7987 10.4 6.8 153 14.2 8.8 161 Burts Miller Ranch 8000 3.9 2.7 144 5.1 4.2 121 Chalk Creek #1 9171 12.4 9.5 131 16.0 11.1 144 Giveout 6930 5.4 3.9 138 9.5 6.2 153 Hayden Fork 9130 10.0 5.9 169 15.6 9.8 159 Kelley R.S. 8180 7.9 6.4 123 13.0 8.4 155 Lily Lake 9133 6.5 5.4 120 11.1 7.9 141 Monte Cristo 8932 15.9 10.6 150 19.2 12.2 157 Salt River Summit 7640 7.8 5.1 153 12.1 7.5 161 Spring Creek Divide 9000 14.6 10.6 138 16.6 11.0 151 Trial Lake 9992 14.2 8.6 165 17.0 10.4 163 ----- ----- Basin Index (%) 145 154 ----------------------------------------------------------------------------- -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.