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 SATURDAY: JANUARY 28 , 2017 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 15.5 10.6 146 23.4 13.6 172 Black Bear 8170 22.4 23.0 97 31.4 24.2 130 Blind Bull Sum 8650 22.0 13.3 165 15.8 12.5 126 Cottonwood Creek 7670 16.3 12.1 135 22.3 15.3 146 East Rim Divide 7930 11.0 6.7 164 13.3 7.5 177 Grand Targhee 9260 28.4 23.2 122 26.3 20.2 130 Granite Creek 6770 15.8 9.9 160 20.9 13.2 158 Grassy Lake 7265 23.5 19.2 122 34.7 23.2 150 Gros Ventre Summit 8750 9.5 8.1 117 13.7 8.0 171 Gunsight Pass 9820 10.2 8.0 128 14.2 8.6 165 Lewis Lake Divide 7850 19.8 19.0 104 31.6 22.5 140 Phillips Bench 8200 18.4 15.9 116 26.7 17.6 152 Salt River Summit 7760 12.2 7.4 165 17.1 10.3 166 Snake River Station 6920 14.1 10.1 140 23.3 15.0 155 Spring Creek Divide 9000 20.4 13.7 149 22.9 14.9 154 Thumb Divide 7980 10.2 9.3 110 15.7 11.9 132 Togwotee Pass 9580 18.3 14.5 126 22.0 15.4 143 Two Ocean Plateau 9240 23.4 16.5 142 23.5 16.8 140 Willow Creek 8380 19.9 16.7 119 30.9 21.0 147 Younts Peak 8350 12.5 9.1 137 16.7 10.2 164 ----- ----- Basin Index (%) 129 148 MADISON-GALLATIN Black Bear 8170 22.4 23.0 97 31.4 24.2 130 Canyon 7870 9.3 7.9 118 15.6 10.4 150 Madison Plateau 7750 13.6 13.9 98 22.7 16.9 134 West Yellowstone 6700 7.6 6.9 110 15.1 9.4 161 Whiskey Creek 6800 8.7 9.5 92 16.6 12.9 129 ----- ----- Basin Index (%) 101 137 YELLOWSTONE Beartooth Lake 9360 15.4 13.4 115 11.8 12.5 94 Burnt Mtn 5880 4.5 2.4 188 8.6 7.7 112 Canyon 7870 9.3 7.9 118 15.6 10.4 150 Cole Creek 7850 6.2 8.0 78 5.1 7.4 69 Evening Star 9200 18.5 15.5 119 24.9 17.5 142 Fisher Creek 9100 18.3 20.1 91 23.4 20.2 116 Northeast Entrance 7350 6.5 6.1 107 11.7 8.0 146 Parker Peak 9400 16.1 12.4 130 19.0 11.1 171 Sylvan Lake 8420 12.9 12.6 102 23.3 14.4 162 Thumb Divide 7980 10.2 9.3 110 15.7 11.9 132 Two Ocean Plateau 9240 23.4 16.5 142 23.5 16.8 140 White Mill 8700 15.1 14.0 108 18.2 15.0 121 Wolverine 7650 8.8 6.7 131 12.6 8.0 158 ----- ----- Basin Index (%) 114 133 WIND RIVER Burroughs Creek 8750 12.2 -M * 14.7 -M * Castle Creek 8400 6.7 -M * 8.9 -M * Cold Springs 9630 6.3 4.3 147 8.8 6.1 144 Deer Park 9700 18.0 8.8 205 21.2 11.9 178 Hobbs Park 10100 12.3 7.9 156 12.4 7.6 163 Kirwin 9550 9.8 5.6 175 12.8 7.1 180 Little Warm 9370 6.7 6.1 110 11.8 7.9 149 Owl Creek 8975 3.9 3.1 126 5.5 3.4 162 South Pass 9040 17.0 8.3 205 16.3 10.6 154 St. Lawrence Alt 8620 3.8 4.1 93 7.7 5.2 148 Togwotee Pass 9580 18.3 14.5 126 22.0 15.4 143 Townsend Creek 8700 6.9 5.0 138 9.7 6.9 141 ----- ----- Basin Index (%) 152 156 BIGHORN BASIN Bald Mtn. 9380 12.2 10.6 115 10.7 10.4 103 Bear Trap Meadow 8200 3.3 3.3 100 4.6 5.1 90 Bone Springs Div 9350 9.4 9.6 98 9.8 9.3 105 Grave Springs 8550 3.8 4.9 78 4.8 6.3 76 Kirwin 9550 9.8 5.6 175 12.8 7.1 180 Marquette 8760 4.9 -M * 8.3 -M * Middle Powder 7760 4.6 6.2 74 5.1 7.2 71 Owl Creek 8975 3.9 3.1 126 5.5 3.4 162 Powder River Pass 9480 3.8 6.1 62 6.5 7.7 84 Shell Creek 9580 9.9 8.9 111 8.0 8.6 93 Timber Creek 7950 3.7 3.0 123 4.9 4.4 111 ----- ----- Basin Index (%) 105 105 SHOSHONE RIVER Blackwater 9780 19.4 14.2 137 23.2 12.9 180 Evening Star 9200 18.5 15.5 119 24.9 17.5 142 Marquette 8760 4.9 -M * 8.3 -M * Sylvan Road 7120 9.4 7.6 124 19.6 11.6 169 Younts Peak 8350 12.5 9.1 137 16.7 10.2 164 ----- ----- Basin Index (%) 129 162 POWDER RIVER Bear Trap Meadow 8200 3.3 3.3 100 4.6 5.1 90 Cloud Peak Reservoir 9860 7.3 8.0 91 9.1 7.7 118 Grave Springs 8550 3.8 4.9 78 4.8 6.3 76 Hansen Sawmill 8360 4.8 4.0 120 6.6 4.9 135 Middle Powder 7760 4.6 6.2 74 5.1 7.2 71 Powder River Pass 9480 3.8 6.1 62 6.5 7.7 84 Soldier Park 8720 7.4 -M * 6.7 -M * ----- ----- Basin Index (%) 85 94 TONGUE RIVER Big Goose 7990 5.2 4.7 111 6.3 6.4 98 Bone Springs Div 9350 9.4 9.6 98 9.8 9.3 105 Burgess Junction 7880 5.5 6.5 85 6.7 7.2 93 Dome Lake 8880 6.4 6.6 97 7.9 8.1 98 Little Goose 8870 5.7 -M * 7.9 -M * Sucker Creek 8880 6.4 7.0 91 6.7 8.4 80 Tie Creek 6870 3.8 3.2 119 6.9 6.9 100 ----- ----- Basin Index (%) 98 96 BELLE FOURCHE Cole Canyon 5910 3.4 3.1 110 4.3 5.6 77 ----- ----- Basin Index (%) 110 77 CHEYENNE RIVER BASIN Blind Park 6890 4.1 4.4 93 5.1 7.5 68 North Rapid Creek 6130 4.3 4.1 105 4.6 6.1 75 ----- ----- Basin Index (%) 99 71 UPPER N. PLATTE Arapaho Ridge 10960 18.7 12.7 147 19.5 13.7 142 Blackhall Mtn 9820 25.2 -M * 26.4 -M * Columbine 9160 18.9 14.2 133 20.5 15.8 130 Divide Peak 8880 13.2 11.8 112 15.6 13.2 118 Joe Wright 10120 14.5 12.6 115 20.5 15.5 132 Laprele Creek 8375 6.9 5.3 130 6.7 7.3 92 Med Bow 10500 26.0 -M * 24.9 -M * North French Creek 10130 16.5 15.6 106 18.2 16.4 111 Never Summer 10280 -M 11.8 * -M -M * Old Battle 10000 24.9 18.6 134 26.2 21.7 121 Rawah 9020 10.0 6.0 167 12.3 8.9 138 Sage Creek Basin 7850 11.0 8.0 138 11.7 9.4 124 Sand Lake 10050 19.2 16.0 120 18.4 14.6 126 South Brush Creek 8440 7.0 7.1 99 8.0 9.3 86 Tower 10500 30.2 26.5 114 31.4 24.8 127 Webber Springs 9250 19.5 13.1 149 23.4 16.5 142 Willow Creek Pass 9540 13.0 7.2 181 13.9 8.0 174 Zirkel 9340 27.2 17.6 155 32.5 18.1 180 ----- ----- Basin Index (%) 130 131 SWEETWATER Deer Park 9700 18.0 8.8 205 21.2 11.9 178 Larsen Creek 9000 12.0 7.0 171 15.5 -M * South Pass 9040 17.0 8.3 205 16.3 10.6 154 ----- ----- Basin Index (%) 195 167 LOWER N. PLATTE Casper Mtn. 7900 6.4 7.4 86 6.7 8.9 75 Laprele Creek 8375 6.9 5.3 130 6.7 7.3 92 Reno Hill 8400 -M 7.6 * -M 8.7 * Windy Peak 7900 5.6 4.0 140 6.3 6.2 102 ----- ----- Basin Index (%) 113 88 LARAMIE RIVER Brooklyn Lake 10240 16.1 11.9 135 14.8 12.5 118 Cinnabar Park 9574 13.1 12.9 102 15.8 15.4 103 Crow Creek 8330 4.2 5.6 75 5.9 6.4 92 Deadman Hill 10220 14.0 9.6 146 13.3 10.0 133 Rawah 9020 10.0 6.0 167 12.3 8.9 138 Roach 9700 12.4 9.8 127 14.6 11.5 127 ----- ----- Basin Index (%) 125 119 S. PLATTE Black Mountain 8920 7.1 -M * 8.4 -M * Crow Creek 8330 4.2 5.6 75 5.9 6.4 92 Deadman Hill 10220 14.0 9.6 146 13.3 10.0 133 ----- ----- Basin Index (%) 120 117 LITTLE SNAKE RIVER Battle Mountain 7440 8.8 6.8 129 -M 9.4 * Divide Peak 8880 13.2 11.8 112 15.6 13.2 118 Elk River 8700 15.7 10.6 148 15.7 12.3 128 Little Snake River 8915 22.6 14.8 153 28.0 19.9 141 Old Battle 10000 24.9 18.6 134 26.2 21.7 121 Sage Creek Basin 7850 11.0 8.0 138 11.7 9.4 124 Sandstone RS 8150 10.7 7.7 139 11.5 11.6 99 Whiskey Park 8950 19.1 15.2 126 21.8 17.2 127 ----- ----- Basin Index (%) 135 124 UPPER GREEN RIVER Big Sandy Opening 9080 13.1 7.8 168 15.5 8.1 191 Blind Bull Sum 8650 22.0 13.3 165 15.8 12.5 126 East Rim Divide 7930 11.0 6.7 164 13.3 7.5 177 Elkhart Park G.S. 9400 10.0 7.2 139 15.5 8.2 189 Gros Ventre Summit 8750 9.5 8.1 117 13.7 8.0 171 Gunsight Pass 9820 10.2 8.0 128 14.2 8.6 165 Kendall R.S. 7740 12.4 7.7 161 16.7 8.9 188 Loomis Park 8240 15.0 9.2 163 20.1 10.9 184 New Fork Lake 8340 10.1 6.7 151 10.5 6.9 152 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 12.2 7.3 167 16.9 8.9 190 Spring Creek Divide 9000 20.4 13.7 149 22.9 14.9 154 Triple Peak 8500 22.1 12.5 177 23.3 15.5 150 ----- ----- Basin Index (%) 155 167 LOWER GREEN RIVER Blacks Fork Jct 8870 8.0 -M * 10.4 -M * Buck Pasture 9700 13.5 -M * 16.3 -M * EF Blacks Fork GS 9360 9.1 -M * 9.5 -M * Hams Fork 7840 11.1 6.9 161 13.2 7.1 186 Hewinta 9519 8.7 5.3 164 10.9 8.3 131 Hickerson Park 9145 6.0 3.6 167 6.3 6.0 105 Hole-in-Rock 9150 4.9 3.8 129 6.8 5.6 121 Indian Creek 9425 -M 14.1 * -M 13.6 * Kelley R.S. 8180 15.2 8.7 175 20.4 11.2 182 Spirit Lk 10235 9.6 -M * 11.2 -M * Steel Creek Park 10200 11.7 8.4 139 13.4 9.6 140 ----- ----- Basin Index (%) 157 149 UPPER BEAR RIVER Bear River RS 8777 9.8 -M * 11.7 -M * Bug Lake 7950 21.3 9.9 215 18.8 12.1 155 Burts Miller Ranch 8000 5.6 -M * 5.8 -M * Chalk Creek #1 8993 21.8 13.1 166 -M 15.2 * Hayden Fork 9212 15.6 8.3 188 -M 12.6 * Kelley R.S. 8180 15.2 8.7 175 20.4 11.2 182 Lily Lake 9156 10.7 7.2 149 13.2 10.4 127 Monte Cristo 8960 21.9 15.3 143 -M 15.8 * Salt River Summit 7760 12.2 7.4 165 17.1 10.3 166 ----- ----- Basin Index (%) 170 158* ----------------------------------------------------------------------------- -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. ---------------------------------------------------------------------------- -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.