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 THURSDAY: JANUARY 6 , 2022 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Median Med ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7060 8.8 8.2 107 11.6 10.8 107 Blind Bull Sum 8650 12.3 10.0 123 9.6 8.8 109 Cottonwood Creek 7670 10.2 8.8 116 16.1 11.4 141 East Rim Divide 7930 -M 4.8 * -M 5.5 * Grand Targhee 9260 19.8 20.6 96 17.6 16.4 107 Granite Creek 6770 7.2 6.9 104 9.5 9.4 101 Grassy Lake 7265 -M 13.2 * -M 17.1 * Gros Ventre Summit 8750 7.2 6.4 112 7.6 6.4 119 Gunsight Pass 9820 7.8 6.3 124 8.6 7.2 119 Lewis Lake Divide 7850 16.2 13.4 121 22.1 16.9 131 Loomis Park 8240 7.3 6.8 107 10.0 8.0 125 Phillips Bench 8200 11.6 11.4 102 15.1 13.0 116 Salt River Summit 7640 6.9 5.1 135 11.1 7.4 150 Snake River Station 6920 7.8 7.4 105 12.9 11.2 115 Somsen Ranch 6800 7.2 5.1 141 12.6 8.6 147 Spring Creek Divide 9000 12.8 10.3 124 14.8 11.0 135 Thumb Divide 7980 9.4 6.8 138 12.2 8.8 139 Togwotee Pass 9580 12.3 11.6 106 13.6 11.9 114 Triple Peak 8500 12.8 9.0 142 16.6 11.0 151 Two Ocean Plateau 9240 17.4 14.0 124 15.0 13.7 109 Willow Creek 8080 14.4 11.8 122 20.3 15.5 131 Younts Peak 8350 8.2 7.0 117 5.7 7.4 77 ----- ----- Basin Index (%) 116 122 MADISON HEADWATERS IN WYOMING Black Bear 8170 20.5 17.6 116 -M 19.0 * Canyon 7870 5.2 -M * 7.9 -M * Madison Plateau 7750 11.9 10.4 114 14.6 12.3 119 West Yellowstone 6700 5.9 5.0 118 9.2 7.5 123 Whiskey Creek 6800 7.4 6.7 110 10.2 9.9 103 ----- ----- Basin Index (%) 115 114 YELLOWSTONE HEADWATERS IN WYOMING Beartooth Lake 9360 8.4 10.8 78 7.8 10.0 78 Canyon 7870 5.2 -M * 7.9 -M * Evening Star 9200 14.4 13.2 109 13.9 15.0 93 Fisher Creek 9100 16.0 16.4 98 17.3 17.2 101 Monument Peak 8850 8.9 9.8 91 11.5 11.4 101 Northeast Entrance 7350 2.4 4.6 52 6.3 6.9 91 Parker Peak 9400 10.5 10.9 96 10.7 10.6 101 Sylvan Lake 8420 8.5 9.6 89 13.0 12.4 105 Thumb Divide 7980 9.4 6.8 138 12.2 8.8 139 Two Ocean Plateau 9240 17.4 14.0 124 15.0 13.7 109 White Mill 8700 10.5 11.4 92 10.9 11.8 92 Wolverine 7650 5.8 5.6 104 6.8 6.6 103 ----- ----- Basin Index (%) 99 101 WIND RIVER Burroughs Creek 8750 4.8 -M * 7.6 -M * Castle Creek 8400 2.3 3.6 64 3.6 4.7 77 Cold Springs 9630 6.0 4.0 150 8.0 5.1 157 Deer Park 9700 7.5 6.4 117 10.4 8.5 122 Hobbs Park 10100 9.3 6.8 137 10.2 6.4 159 Kirwin 9550 6.9 5.9 117 7.8 6.4 122 Little Warm 9370 7.0 4.8 146 9.2 6.2 148 South Pass 9040 7.0 6.6 106 8.7 7.6 114 St. Lawrence Alt 8620 1.1 -M * 6.0 -M * Togwotee Pass 9580 12.3 11.6 106 13.6 11.9 114 Townsend Creek 8700 4.6 4.2 110 7.4 5.8 128 ----- ----- Basin Index (%) 117 126 BIGHORN BASIN Bald Mtn. 9380 7.7 9.4 82 7.7 8.1 95 Bear Trap Meadow 8200 2.9 3.0 97 4.9 4.6 107 Bone Springs Div 9350 7.4 7.9 94 7.0 7.4 95 Grave Springs 8550 2.6 3.7 70 4.8 4.6 104 Kirwin 9550 6.9 5.9 117 7.8 6.4 122 Marquette 8760 1.5 3.7 41 4.4 5.0 88 Middle Powder 7760 3.2 4.6 70 5.2 5.3 98 Owl Creek 8975 3.4 2.8 121 4.0 3.4 118 Powder River Pass 9480 5.1 5.4 94 4.3 6.6 65 Shell Creek 9580 6.9 7.4 93 7.4 7.1 104 Timber Creek 7950 1.5 2.4 62 3.2 4.2 76 ----- ----- Basin Index (%) 87 97 SHOSHONE RIVER Blackwater 9780 12.0 12.2 98 12.9 11.4 113 Evening Star 9200 14.4 13.2 109 13.9 15.0 93 Marquette 8760 1.5 3.7 41 4.4 5.0 88 Sylvan Lake 8420 8.5 9.6 89 13.0 12.4 105 Sylvan Road 7120 4.2 6.0 70 9.1 9.6 95 Younts Peak 8350 8.2 7.0 117 5.7 7.4 77 ----- ----- Basin Index (%) 94 97 POWDER RIVER Bear Trap Meadow 8200 2.9 3.0 97 4.9 4.6 107 Cloud Peak Reservoir 9860 7.0 6.7 104 8.3 6.6 126 Grave Springs 8550 2.6 3.7 70 4.8 4.6 104 Hansen Sawmill 8360 3.4 3.3 103 5.5 4.2 131 Middle Powder 7760 3.2 4.6 70 5.2 5.3 98 Powder River Pass 9480 5.1 5.4 94 4.3 6.6 65 Soldier Park 8720 .1 2.8 4 5.3 4.7 113 ----- ----- Basin Index (%) 82 105 TONGUE RIVER Big Goose 7990 2.7 3.6 75 5.7 5.3 108 Bone Springs Div 9350 7.4 7.9 94 7.0 7.4 95 Burgess Junction 7880 3.9 5.0 78 6.4 5.9 108 Dome Lake 8880 4.5 5.2 87 7.3 6.4 114 Little Goose 8870 3.7 4.7 79 7.4 6.0 123 Sucker Creek 8880 5.3 5.8 91 7.6 6.6 115 Tie Creek 6870 .8 2.2 36 6.1 5.5 111 ----- ----- Basin Index (%) 82 110 BELLE FOURCHE Blind Park 6890 1.9 3.3 58 4.2 5.2 81 Cole Canyon 5910 .8 2.6 31 5.4 4.2 129 North Rapid Creek 6130 1.5 3.4 44 2.7 4.0 68 ----- ----- Basin Index (%) 45 92 CHEYENNE RIVER BASIN Blind Park 6890 1.9 3.3 58 4.2 5.2 81 North Rapid Creek 6130 1.5 3.4 44 2.7 4.0 68 ----- ----- Basin Index (%) 51 75 UPPER N. PLATTE Arapaho Ridge 10960 12.5 10.6 118 11.9 10.8 110 Blackhall Mtn 9820 18.0 12.8 141 -M 14.7 * Cinnabar Park 9574 11.2 9.7 115 13.7 12.1 113 Columbine 9160 12.2 9.2 133 15.6 11.1 141 Divide Peak 8880 8.9 8.4 106 13.6 10.6 128 Joe Wright 10120 12.0 9.2 130 18.1 12.0 151 Laprele Creek 8375 2.3 3.8 61 5.6 5.5 102 Med Bow 10500 20.2 -M * 19.3 -M * Never Summer 10280 13.1 9.0 146 9.6 8.6 112 North French Creek 10130 15.6 12.5 125 16.8 12.8 131 Old Battle 10000 18.3 13.3 138 19.9 16.1 124 Rawah 9020 6.0 5.2 115 8.8 8.0 110 Sage Creek Basin 7850 5.0 6.2 81 7.3 7.0 104 Sand Lake 10050 15.3 12.2 125 16.0 11.4 140 South Brush Creek 8440 5.3 5.1 104 7.9 6.4 123 Tower 10500 24.5 17.6 139 25.5 18.4 139 Webber Springs 9250 13.3 9.7 137 16.5 12.4 133 Whiskey Park 8950 16.8 10.1 166 19.7 13.7 144 Willow Creek Pass 9540 8.3 6.2 134 9.2 6.8 135 Zirkel 9340 14.8 11.3 131 21.2 14.8 143 ----- ----- Basin Index (%) 128 129 SWEETWATER Deer Park 9700 7.5 6.4 117 10.4 8.5 122 Larsen Creek 9000 -M 3.0 * 8.4 5.8 145 South Pass 9040 7.0 6.6 106 8.7 7.6 114 ----- ----- Basin Index (%) 112 126 LOWER N. PLATTE Casper Mtn. 7900 3.1 5.4 57 8.2 6.6 124 Laprele Creek 8375 2.3 3.8 61 5.6 5.5 102 Reno Hill 8400 4.5 6.2 73 8.5 7.0 121 Windy Peak 7900 2.8 3.2 88 6.1 5.0 122 ----- ----- Basin Index (%) 68 118 LARAMIE RIVER Brooklyn Lake 10240 12.6 9.6 131 14.9 10.1 148 Cinnabar Park 9574 11.2 9.7 115 13.7 12.1 113 Crow Creek 8330 2.4 4.0 60 5.1 5.7 89 Deadman Hill 10220 11.6 8.3 140 10.7 8.6 124 Rawah 9020 6.0 5.2 115 8.8 8.0 110 Roach 9700 9.5 7.3 130 11.9 9.2 129 Windy Peak 7900 2.8 3.2 88 6.1 5.0 122 ----- ----- Basin Index (%) 119 121 S. PLATTE Crow Creek 8330 2.4 4.0 60 5.1 5.7 89 ----- ----- Basin Index (%) 60 89 LITTLE SNAKE RIVER Battle Mountain 7440 5.2 5.0 104 10.2 7.6 134 Divide Peak 8880 8.9 8.4 106 13.6 10.6 128 Elk River 8700 11.4 7.5 152 15.6 9.0 173 Elkhead Divide 8780 11.4 -M * 15.1 -M * Little Snake River 8915 13.5 11.2 121 21.5 16.3 132 Old Battle 10000 18.3 13.3 138 19.9 16.1 124 Sage Creek Basin 7850 5.0 6.2 81 7.3 7.0 104 Sandstone RS 8150 7.2 5.2 138 10.4 8.4 124 Whiskey Park 8950 16.8 10.1 166 19.7 13.7 144 ----- ----- Basin Index (%) 129 133 UPPER GREEN RIVER Big Sandy Opening 9080 6.3 6.4 98 8.4 6.6 127 Blind Bull Sum 8650 12.3 10.0 123 9.6 8.8 109 East Rim Divide 7930 -M 4.8 * -M 5.5 * Elkhart Park G.S. 9400 4.9 6.0 82 5.9 6.4 92 Gros Ventre Summit 8750 7.2 6.4 112 7.6 6.4 119 Gunsight Pass 9820 7.8 6.3 124 8.6 7.2 119 Indian Creek 9425 13.6 10.2 133 13.3 9.4 141 Kendall R.S. 7740 5.8 5.6 104 9.3 6.9 135 Larsen Creek 9000 -M 3.0 * 8.4 5.8 145 Loomis Park 8240 7.3 6.8 107 10.0 8.0 125 New Fork Lake 8340 4.9 5.0 98 5.8 5.6 104 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 6.2 5.5 113 11.2 6.7 167 Spring Creek Divide 9000 12.8 10.3 124 14.8 11.0 135 Triple Peak 8500 12.8 9.0 142 16.6 11.0 151 ----- ----- Basin Index (%) 116 130 LOWER GREEN RIVER Blacks Fork Jct 8869 5.6 3.5 160 8.1 5.9 137 Buck Pasture 9632 8.6 -M * 11.7 -M * EF Blacks Fork GS 9360 6.6 4.0 165 9.5 5.2 183 Hams Fork 7840 5.9 4.8 123 8.4 5.4 156 Henrys Fork 10182 -M -M * 8.0 -M * Hewinta 9500 5.6 4.0 140 10.2 6.7 152 Hickerson Park 9122 3.2 3.1 103 5.5 5.0 110 Hole-in-Rock 9168 3.4 3.1 110 6.2 5.4 115 Indian Creek 9425 13.6 10.2 133 13.3 9.4 141 Kelley R.S. 8180 7.1 6.3 113 12.2 8.2 149 Spirit Lk 10235 7.5 5.5 136 10.2 8.2 124 Steel Creek Park 10158 9.2 6.4 144 11.8 7.6 155 ----- ----- Basin Index (%) 133 142 UPPER BEAR RIVER Bear River RS 8777 5.8 3.8 153 9.3 5.7 163 Bug Lake 7987 10.3 6.6 156 13.9 8.4 165 Burts Miller Ranch 8000 3.9 2.7 144 5.0 4.2 119 Chalk Creek #1 9171 12.3 9.4 131 15.2 11.0 138 Giveout 6930 4.8 3.7 130 9.1 6.0 152 Hayden Fork 9130 9.8 5.7 172 15.2 9.6 158 Kelley R.S. 8180 7.1 6.3 113 12.2 8.2 149 Lily Lake 9133 6.4 5.3 121 11.0 7.8 141 Monte Cristo 8932 15.4 10.4 148 18.8 11.8 159 Salt River Summit 7640 6.9 5.1 135 11.1 7.4 150 Spring Creek Divide 9000 12.8 10.3 124 14.8 11.0 135 Trial Lake 9992 13.9 8.4 165 16.6 10.2 163 ----- ----- Basin Index (%) 141 150 ----------------------------------------------------------------------------- -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.