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 SATURDAY: JANUARY 8 , 2022 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7060 9.7 8.3 117 12.6 11.0 115 Blind Bull Sum 8650 14.5 10.3 141 11.0 8.8 125 Cottonwood Creek 7670 11.7 9.1 129 17.5 11.8 148 East Rim Divide 7930 -M 4.9 * -M 5.6 * Grand Targhee 9260 21.7 21.3 102 19.6 16.6 118 Granite Creek 6770 8.6 7.0 123 10.9 9.6 114 Grassy Lake 7265 -M 13.6 * -M 17.4 * Gros Ventre Summit 8750 7.7 6.7 115 8.0 6.6 121 Gunsight Pass 9820 8.8 6.5 135 9.5 7.2 132 Lewis Lake Divide 7850 18.0 14.1 128 23.7 17.0 139 Loomis Park 8240 8.5 7.0 121 11.2 8.0 140 Phillips Bench 8200 13.2 11.6 114 16.6 13.2 126 Salt River Summit 7640 7.8 5.2 150 12.1 7.6 159 Snake River Station 6920 8.6 7.6 113 14.0 11.8 119 Somsen Ranch 6800 8.5 5.4 157 13.8 8.6 160 Spring Creek Divide 9000 14.6 10.6 138 16.7 11.2 149 Thumb Divide 7980 10.4 7.0 149 13.2 8.8 150 Togwotee Pass 9580 13.4 11.8 114 14.7 12.2 120 Triple Peak 8500 14.8 9.5 156 18.6 11.6 160 Two Ocean Plateau 9240 19.1 14.4 133 16.5 14.0 118 Willow Creek 8080 16.1 12.1 133 21.9 15.7 139 Younts Peak 8350 9.7 7.2 135 6.6 7.6 87 ----- ----- Basin Index (%) 127 132 MADISON HEADWATERS IN WYOMING Black Bear 8170 21.9 18.1 121 -M 19.4 * Canyon 7870 6.2 -M * 8.8 -M * Madison Plateau 7750 12.8 10.6 121 15.4 12.8 120 West Yellowstone 6700 6.4 5.2 123 9.7 7.8 124 Whiskey Creek 6800 8.2 6.8 121 10.3 10.2 101 ----- ----- Basin Index (%) 121 115 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 10.2 11.4 89 9.8 10.4 94 Canyon 7870 6.2 -M * 8.8 -M * Evening Star 9200 16.6 13.5 123 16.1 15.4 105 Fisher Creek 9100 18.5 16.5 112 19.7 17.4 113 Monument Peak 8850 10.0 9.8 102 12.6 11.7 108 Northeast Entrance 7350 3.4 4.7 72 7.1 7.0 101 Parker Peak 9400 11.9 11.2 106 11.9 10.8 110 Sylvan Lake 8420 9.9 10.0 99 14.5 12.6 115 Thumb Divide 7980 10.4 7.0 149 13.2 8.8 150 Two Ocean Plateau 9240 19.1 14.4 133 16.5 14.0 118 White Mill 8700 11.9 11.6 103 12.3 12.4 99 Wolverine 7650 7.6 6.0 127 7.8 6.9 113 ----- ----- Basin Index (%) 112 111 WIND RIVER Burroughs Creek 8750 5.8 -M * 8.8 -M * Castle Creek 8400 3.0 3.6 83 4.2 4.8 88 Cold Springs 9630 6.7 4.0 168 8.8 5.2 169 Deer Park 9700 7.4 6.5 114 10.5 8.6 122 Hobbs Park 10100 9.8 6.9 142 10.5 6.4 164 Kirwin 9550 7.6 5.9 129 8.6 6.5 132 Little Warm 9370 7.7 5.0 154 10.1 6.4 158 South Pass 9040 7.1 6.6 108 9.0 7.6 118 St. Lawrence Alt 8620 1.1 -M * 6.2 -M * Togwotee Pass 9580 13.4 11.8 114 14.7 12.2 120 Townsend Creek 8700 4.7 4.4 107 7.6 5.9 129 ----- ----- Basin Index (%) 123 132 BIGHORN BASIN Bald Mtn. 9380 8.3 9.6 86 8.2 8.2 100 Bear Trap Meadow 8200 3.2 3.2 100 5.4 4.6 117 Bone Springs Div 9350 8.3 8.0 104 7.6 7.7 99 Grave Springs 8550 2.9 3.7 78 5.0 4.7 106 Kirwin 9550 7.6 5.9 129 8.6 6.5 132 Marquette 8760 1.6 3.8 42 4.8 5.0 96 Middle Powder 7760 3.6 4.7 77 5.6 5.4 104 Owl Creek 8975 3.6 2.8 129 4.7 3.4 138 Powder River Pass 9480 5.5 5.8 95 4.9 7.0 70 Shell Creek 9580 7.5 7.6 99 8.0 7.2 111 Timber Creek 7950 1.6 2.5 64 3.7 4.2 88 ----- ----- Basin Index (%) 93 104 SHOSHONE RIVER Blackwater 9780 13.5 12.2 111 14.5 11.8 123 Evening Star 9200 16.6 13.5 123 16.1 15.4 105 Marquette 8760 1.6 3.8 42 4.8 5.0 96 Sylvan Lake 8420 9.9 10.0 99 14.5 12.6 115 Sylvan Road 7120 5.3 6.1 87 -M 9.9 * Younts Peak 8350 9.7 7.2 135 6.6 7.6 87 ----- ----- Basin Index (%) 107 108 POWDER RIVER Bear Trap Meadow 8200 3.2 3.2 100 5.4 4.6 117 Cloud Peak Reservoir 9860 7.2 7.0 103 8.4 6.6 127 Grave Springs 8550 2.9 3.7 78 5.0 4.7 106 Hansen Sawmill 8360 3.6 3.4 106 6.1 4.2 145 Middle Powder 7760 3.6 4.7 77 5.6 5.4 104 Powder River Pass 9480 5.5 5.8 95 4.9 7.0 70 Soldier Park 8720 .9 2.8 32 5.7 4.7 121 ----- ----- Basin Index (%) 88 110 TONGUE RIVER Big Goose 7990 3.0 3.7 81 6.8 5.3 128 Bone Springs Div 9350 8.3 8.0 104 7.6 7.7 99 Burgess Junction 7880 4.3 5.0 86 6.7 6.2 108 Dome Lake 8880 5.2 5.2 100 7.6 6.4 119 Little Goose 8870 4.0 4.7 85 7.7 6.0 128 Sucker Creek 8880 5.6 5.9 95 8.0 6.7 119 Tie Creek 6870 1.2 2.4 50 6.3 5.5 115 ----- ----- Basin Index (%) 91 116 BELLE FOURCHE Blind Park 6890 1.8 3.4 53 4.4 5.2 85 Cole Canyon 5910 1.3 2.7 48 5.4 4.2 129 North Rapid Creek 6130 2.2 3.6 61 3.4 4.0 85 ----- ----- Basin Index (%) 55 99 CHEYENNE RIVER BASIN Blind Park 6890 1.8 3.4 53 4.4 5.2 85 North Rapid Creek 6130 2.2 3.6 61 3.4 4.0 85 ----- ----- Basin Index (%) 57 85 UPPER N. PLATTE Arapaho Ridge 10960 13.9 11.2 124 13.4 11.3 119 Blackhall Mtn 9820 18.9 13.1 144 20.6 15.1 136 Cinnabar Park 9574 12.0 10.4 115 14.4 12.5 115 Columbine 9160 13.9 10.0 139 17.2 11.4 151 Divide Peak 8880 9.3 8.7 107 14.1 11.1 127 Joe Wright 10120 13.1 9.3 141 19.5 12.2 160 Laprele Creek 8375 2.6 4.2 62 5.8 5.7 102 Med Bow 10500 21.0 -M * 20.1 -M * Never Summer 10280 13.6 9.6 142 10.1 8.8 115 North French Creek 10130 16.0 12.8 125 17.1 13.0 132 Old Battle 10000 19.1 14.5 132 20.7 16.7 124 Rawah 9020 6.4 5.4 119 9.2 8.3 111 Sage Creek Basin 7850 5.2 6.3 83 7.4 7.0 106 Sand Lake 10050 15.9 12.6 126 16.6 11.4 146 South Brush Creek 8440 5.3 5.4 98 8.0 6.7 119 Tower 10500 27.2 18.8 145 28.1 19.5 144 Webber Springs 9250 13.9 10.2 136 17.2 12.8 134 Whiskey Park 8950 18.0 11.2 161 20.5 14.4 142 Willow Creek Pass 9540 8.6 6.3 137 9.4 6.9 136 Zirkel 9340 17.2 12.6 137 23.6 15.6 151 ----- ----- Basin Index (%) 130 133 SWEETWATER Deer Park 9700 7.4 6.5 114 10.5 8.6 122 Larsen Creek 9000 -M 3.2 * 8.5 6.0 142 South Pass 9040 7.1 6.6 108 9.0 7.6 118 ----- ----- Basin Index (%) 111 126 LOWER N. PLATTE Casper Mtn. 7900 3.2 5.6 57 8.5 6.8 125 Laprele Creek 8375 2.6 4.2 62 5.8 5.7 102 Reno Hill 8400 5.0 6.4 78 8.8 7.2 122 Windy Peak 7900 3.4 3.2 106 6.6 5.2 127 ----- ----- Basin Index (%) 73 119 LARAMIE RIVER Brooklyn Lake 10240 13.7 9.9 138 15.8 10.4 152 Cinnabar Park 9574 12.0 10.4 115 14.4 12.5 115 Crow Creek 8330 2.6 4.1 63 5.4 5.9 92 Deadman Hill 10220 12.4 8.7 143 11.3 8.8 128 Rawah 9020 6.4 5.4 119 9.2 8.3 111 Roach 9700 10.3 7.5 137 12.8 9.4 136 Windy Peak 7900 3.4 3.2 106 6.6 5.2 127 ----- ----- Basin Index (%) 124 125 S. PLATTE Crow Creek 8330 2.6 4.1 63 5.4 5.9 92 ----- ----- Basin Index (%) 63 92 LITTLE SNAKE RIVER Battle Mountain 7440 5.6 5.2 108 10.5 7.7 136 Divide Peak 8880 9.3 8.7 107 14.1 11.1 127 Elk River 8700 12.1 7.9 153 16.1 9.6 168 Elkhead Divide 8780 11.8 -M * 15.4 -M * Little Snake River 8915 14.4 11.6 124 22.4 16.7 134 Old Battle 10000 19.1 14.5 132 20.7 16.7 124 Sage Creek Basin 7850 5.2 6.3 83 7.4 7.0 106 Sandstone RS 8150 7.5 5.2 144 10.7 8.6 124 Whiskey Park 8950 18.0 11.2 161 20.5 14.4 142 ----- ----- Basin Index (%) 129 133 UPPER GREEN RIVER Big Sandy Opening 9080 6.6 6.6 100 8.6 6.6 130 Blind Bull Sum 8650 14.5 10.3 141 11.0 8.8 125 East Rim Divide 7930 -M 4.9 * -M 5.6 * Elkhart Park G.S. 9400 5.6 6.0 93 6.5 6.5 100 Gros Ventre Summit 8750 7.7 6.7 115 8.0 6.6 121 Gunsight Pass 9820 8.8 6.5 135 9.5 7.2 132 Indian Creek 9425 14.9 10.4 143 14.4 9.6 150 Kendall R.S. 7740 7.0 5.6 125 10.5 7.0 150 Larsen Creek 9000 -M 3.2 * 8.5 6.0 142 Loomis Park 8240 8.5 7.0 121 11.2 8.0 140 New Fork Lake 8340 5.8 5.0 116 6.6 5.6 118 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 7.1 5.7 125 12.1 6.8 178 Spring Creek Divide 9000 14.6 10.6 138 16.7 11.2 149 Triple Peak 8500 14.8 9.5 156 18.6 11.6 160 ----- ----- Basin Index (%) 129 140 LOWER GREEN RIVER Blacks Fork Jct 8869 5.8 3.8 153 8.4 6.1 138 Buck Pasture 9632 8.8 -M * 11.9 -M * EF Blacks Fork GS 9360 6.9 4.2 164 -M 5.4 * Hams Fork 7840 6.6 5.0 132 8.9 5.7 156 Henrys Fork 10182 -M -M * 8.0 -M * Hewinta 9500 5.6 4.2 133 10.3 7.0 147 Hickerson Park 9122 3.2 3.2 100 5.4 5.2 104 Hole-in-Rock 9168 3.4 3.2 106 6.3 5.4 117 Indian Creek 9425 14.9 10.4 143 14.4 9.6 150 Kelley R.S. 8180 7.9 6.6 120 13.0 8.6 151 Spirit Lk 10235 7.5 5.6 134 10.2 8.3 123 Steel Creek Park 10158 9.3 6.5 143 12.0 8.0 150 ----- ----- Basin Index (%) 135 139 UPPER BEAR RIVER Bear River RS 8777 5.9 4.0 148 9.6 5.8 166 Bug Lake 7987 10.6 6.9 154 14.4 9.0 160 Burts Miller Ranch 8000 4.1 2.7 152 5.2 4.2 124 Chalk Creek #1 9171 12.6 9.7 130 16.2 11.2 145 Giveout 6930 5.5 3.9 141 9.6 6.3 152 Hayden Fork 9130 10.1 6.2 163 15.7 10.0 157 Kelley R.S. 8180 7.9 6.6 120 13.0 8.6 151 Lily Lake 9133 6.6 5.4 122 11.1 8.0 139 Monte Cristo 8932 16.1 10.8 149 19.3 12.4 156 Salt River Summit 7640 7.8 5.2 150 12.1 7.6 159 Spring Creek Divide 9000 14.6 10.6 138 16.7 11.2 149 Trial Lake 9992 14.3 9.0 159 17.1 10.6 161 ----- ----- Basin Index (%) 143 153 ----------------------------------------------------------------------------- -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.