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 13 , 2017 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 15.2 9.1 167 22.3 11.8 189 Black Bear 8170 21.1 20.2 104 29.8 20.9 143 Blind Bull Sum 8650 21.1 11.8 179 15.9 10.9 146 Cottonwood Creek 7670 14.7 9.8 150 19.9 13.4 149 East Rim Divide 7930 10.1 5.3 191 12.4 6.5 191 Grand Targhee 9260 26.9 20.9 129 24.8 17.8 139 Granite Creek 6770 14.9 8.0 186 20.6 11.4 181 Grassy Lake 7265 22.0 15.9 138 32.9 20.0 164 Gros Ventre Summit 8750 9.3 7.3 127 13.4 7.0 191 Gunsight Pass 9820 10.0 7.2 139 13.9 7.6 183 Lewis Lake Divide 7850 18.9 15.9 119 27.5 19.6 140 Phillips Bench 8200 17.2 13.9 124 26.2 15.4 170 Salt River Summit 7760 11.1 5.9 188 16.5 9.0 183 Snake River Station 6920 13.8 8.5 162 21.6 13.0 166 Spring Creek Divide 9000 19.2 11.4 168 22.3 13.1 170 Thumb Divide 7980 9.9 7.7 129 15.3 10.4 147 Togwotee Pass 9580 17.4 12.7 137 21.2 13.6 156 Two Ocean Plateau 9240 -M 15.2 * -M 14.8 * Willow Creek 8380 18.4 13.4 137 27.6 18.3 151 Younts Peak 8350 11.9 8.0 149 15.9 9.0 177 ----- ----- Basin Index (%) 142 161 MADISON-GALLATIN Black Bear 8170 21.1 20.2 104 29.8 20.9 143 Canyon 7870 9.2 6.9 133 15.2 9.0 169 Madison Plateau 7750 12.5 11.6 108 21.6 14.7 147 West Yellowstone 6700 7.1 6.0 118 14.6 8.2 178 Whiskey Creek 6800 8.0 8.1 99 16.0 11.4 140 ----- ----- Basin Index (%) 110 151 YELLOWSTONE Beartooth Lake 9360 15.0 11.9 126 10.2 10.8 94 Burnt Mtn 5880 4.4 2.0 220 8.4 7.2 117 Canyon 7870 9.2 6.9 133 15.2 9.0 169 Cole Creek 7850 6.0 6.9 87 5.0 6.9 72 Evening Star 9200 17.9 13.6 132 24.1 15.4 156 Fisher Creek 9100 17.6 17.5 101 22.8 17.6 130 Northeast Entrance 7350 6.4 5.1 125 11.5 7.1 162 Parker Peak 9400 15.8 11.3 140 18.6 9.8 190 Sylvan Lake 8420 12.4 11.0 113 22.7 12.8 177 Thumb Divide 7980 9.9 7.7 129 15.3 10.4 147 Two Ocean Plateau 9240 -M 15.2 * -M 14.8 * White Mill 8700 14.6 12.1 121 17.6 13.1 134 Wolverine 7650 9.6 5.7 168 12.7 7.1 179 ----- ----- Basin Index (%) 124 145 WIND RIVER Burroughs Creek 8750 11.7 -M * 14.1 -M * Castle Creek 8400 6.5 -M * 8.5 -M * Cold Springs 9630 5.8 3.8 153 8.2 5.5 149 Deer Park 9700 17.2 7.1 242 20.8 10.7 194 Hobbs Park 10100 11.8 7.2 164 11.7 6.8 172 Kirwin 9550 9.3 5.1 182 12.3 6.4 192 Little Warm 9370 6.3 5.4 117 11.4 7.0 163 Owl Creek 8975 3.4 2.9 117 5.0 3.2 156 South Pass 9040 16.4 7.4 222 15.9 9.5 167 St. Lawrence Alt 8620 3.0 3.4 88 7.1 4.7 151 Togwotee Pass 9580 17.4 12.7 137 21.2 13.6 156 Townsend Creek 8700 6.2 4.3 144 8.9 6.3 141 ----- ----- Basin Index (%) 163 166 BIGHORN BASIN Bald Mtn. 9380 11.7 9.7 121 10.2 9.2 111 Bear Trap Meadow 8200 2.7 2.8 96 4.3 4.6 93 Bone Springs Div 9350 9.1 8.3 110 9.2 8.2 112 Grave Springs 8550 3.2 4.2 76 4.5 5.7 79 Kirwin 9550 9.3 5.1 182 12.3 6.4 192 Marquette 8760 4.4 -M * 7.9 -M * Middle Powder 7760 4.1 5.8 71 4.8 6.6 73 Owl Creek 8975 3.4 2.9 117 5.0 3.2 156 Powder River Pass 9480 3.4 5.7 60 6.1 6.8 90 Shell Creek 9580 9.4 7.9 119 7.5 7.5 100 Timber Creek 7950 3.2 2.4 133 4.6 4.2 110 ----- ----- Basin Index (%) 109 110 SHOSHONE RIVER Blackwater 9780 18.9 12.5 151 22.5 11.4 197 Evening Star 9200 17.9 13.6 132 24.1 15.4 156 Marquette 8760 4.4 -M * 7.9 -M * Sylvan Road 7120 9.1 6.3 144 19.2 10.4 185 Younts Peak 8350 11.9 8.0 149 15.9 9.0 177 ----- ----- Basin Index (%) 143 177 POWDER RIVER Bear Trap Meadow 8200 2.7 2.8 96 4.3 4.6 93 Cloud Peak Reservoir 9860 6.7 7.0 96 8.4 7.0 120 Grave Springs 8550 3.2 4.2 76 4.5 5.7 79 Hansen Sawmill 8360 4.3 3.4 126 6.1 4.4 139 Middle Powder 7760 4.1 5.8 71 4.8 6.6 73 Powder River Pass 9480 3.4 5.7 60 6.1 6.8 90 Soldier Park 8720 6.9 -M * 6.3 -M * ----- ----- Basin Index (%) 84 97 TONGUE RIVER Big Goose 7990 4.8 4.2 114 5.9 5.8 102 Bone Springs Div 9350 9.1 8.3 110 9.2 8.2 112 Burgess Junction 7880 5.1 5.4 94 6.3 6.5 97 Dome Lake 8880 6.1 5.9 103 7.6 7.4 103 Little Goose 8870 5.3 -M * 7.4 -M * Sucker Creek 8880 5.9 6.1 97 6.2 7.5 83 Tie Creek 6870 3.6 2.4 150 6.6 6.2 106 ----- ----- Basin Index (%) 107 100 BELLE FOURCHE Cole Canyon 5910 3.1 2.5 124 4.0 5.1 78 ----- ----- Basin Index (%) 124 78 CHEYENNE RIVER BASIN Blind Park 6890 3.6 3.9 92 4.9 6.8 72 North Rapid Creek 6130 3.8 3.6 106 4.2 5.6 75 ----- ----- Basin Index (%) 99 73 UPPER N. PLATTE Arapaho Ridge 10960 17.6 10.9 161 18.4 12.7 145 Blackhall Mtn 9820 22.7 -M * 24.1 -M * Columbine 9160 17.4 11.9 146 19.0 13.7 139 Divide Peak 8880 11.7 10.0 117 14.2 11.7 121 Joe Wright 10120 13.5 10.8 125 19.2 13.8 139 Laprele Creek 8375 6.4 4.7 136 6.1 6.6 92 Med Bow 10500 24.2 -M * 23.3 -M * North French Creek 10130 15.2 13.5 113 16.9 14.2 119 Never Summer 10280 -M 10.4 * -M -M * Old Battle 10000 22.5 15.2 148 24.4 19.0 128 Rawah 9020 9.2 5.3 174 11.7 8.4 139 Sage Creek Basin 7850 9.5 7.0 136 10.1 8.6 117 Sand Lake 10050 18.2 14.0 130 17.6 12.9 136 South Brush Creek 8440 6.4 5.9 108 7.7 8.2 94 Tower 10500 26.8 21.6 124 30.0 21.6 139 Webber Springs 9250 18.4 11.6 159 21.9 14.4 152 Willow Creek Pass 9540 12.1 6.1 198 13.0 7.3 178 Zirkel 9340 -M 15.0 * 23.0 16.5 139 ----- ----- Basin Index (%) 138 134 SWEETWATER Deer Park 9700 17.2 7.1 242 20.8 10.7 194 Larsen Creek 9000 11.5 5.8 198 14.9 -M * South Pass 9040 16.4 7.4 222 15.9 9.5 167 ----- ----- Basin Index (%) 222 182 LOWER N. PLATTE Casper Mtn. 7900 5.8 6.7 87 6.1 8.0 76 Laprele Creek 8375 6.4 4.7 136 6.1 6.6 92 Reno Hill 8400 -M 6.5 * -M 7.9 * Windy Peak 7900 5.0 3.4 147 5.7 5.6 102 ----- ----- Basin Index (%) 116 89 LARAMIE RIVER Brooklyn Lake 10240 15.0 10.2 147 14.0 10.7 131 Cinnabar Park 9574 12.3 11.4 108 15.2 14.0 109 Crow Creek 8330 4.0 4.9 82 5.7 6.0 95 Deadman Hill 10220 13.5 8.0 169 13.3 8.9 149 Rawah 9020 9.2 5.3 174 11.7 8.4 139 Roach 9700 11.4 8.4 136 13.6 10.2 133 ----- ----- Basin Index (%) 136 126 S. PLATTE Black Mountain 8920 6.9 -M * 8.2 -M * Crow Creek 8330 4.0 4.9 82 5.7 6.0 95 Deadman Hill 10220 13.5 8.0 169 13.3 8.9 149 ----- ----- Basin Index (%) 136 128 LITTLE SNAKE RIVER Battle Mountain 7440 7.8 5.3 147 10.3 8.2 126 Divide Peak 8880 11.7 10.0 117 14.2 11.7 121 Elk River 8700 14.5 8.8 165 14.3 10.8 132 Little Snake River 8915 20.6 11.9 173 25.9 17.8 146 Old Battle 10000 22.5 15.2 148 24.4 19.0 128 Sage Creek Basin 7850 9.5 7.0 136 10.1 8.6 117 Sandstone RS 8150 10.2 6.2 165 10.2 10.1 101 Whiskey Park 8950 17.5 12.0 146 20.2 14.6 138 ----- ----- Basin Index (%) 150 129 UPPER GREEN RIVER Big Sandy Opening 9080 12.3 7.0 176 14.8 7.2 206 Blind Bull Sum 8650 21.1 11.8 179 15.9 10.9 146 East Rim Divide 7930 10.1 5.3 191 12.4 6.5 191 Elkhart Park G.S. 9400 9.1 6.2 147 14.5 7.3 199 Gros Ventre Summit 8750 9.3 7.3 127 13.4 7.0 191 Gunsight Pass 9820 10.0 7.2 139 13.9 7.6 183 Kendall R.S. 7740 11.7 6.2 189 15.9 7.8 204 Loomis Park 8240 14.0 7.4 189 19.3 9.6 201 New Fork Lake 8340 9.4 5.4 174 9.7 6.0 162 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 11.2 6.2 181 15.7 7.8 201 Spring Creek Divide 9000 19.2 11.4 168 22.3 13.1 170 Triple Peak 8500 20.7 10.9 190 23.0 13.4 172 ----- ----- Basin Index (%) 171 183 LOWER GREEN RIVER Blacks Fork Jct 8870 7.6 -M * 9.7 -M * Buck Pasture 9700 11.6 -M * 13.6 -M * EF Blacks Fork GS 9360 8.6 -M * 9.3 -M * Hams Fork 7840 10.2 5.5 185 12.2 6.2 197 Hewinta 9519 7.8 4.8 162 10.2 7.4 138 Hickerson Park 9145 5.5 3.2 172 5.8 5.4 107 Hole-in-Rock 9150 4.4 3.3 133 6.3 5.1 124 Indian Creek 9425 19.7 11.8 167 -M 11.8 * Kelley R.S. 8180 13.9 7.2 193 18.9 9.9 191 Spirit Lk 10235 8.4 -M * 10.1 -M * Steel Creek Park 10200 10.8 7.1 152 12.5 8.5 147 ----- ----- Basin Index (%) 169 155 UPPER BEAR RIVER Bear River RS 8777 9.0 -M * 10.5 -M * Bug Lake 7950 18.8 8.0 235 18.1 10.6 171 Burts Miller Ranch 8000 4.7 -M * 5.2 -M * Chalk Creek #1 8993 19.4 11.3 172 -M 13.4 * Hayden Fork 9212 13.9 6.8 204 -M 11.2 * Kelley R.S. 8180 13.9 7.2 193 18.9 9.9 191 Lily Lake 9156 10.2 6.2 165 12.0 9.2 130 Monte Cristo 8960 18.7 13.2 142 -M 13.9 * Salt River Summit 7760 11.1 5.9 188 16.5 9.0 183 ----- ----- Basin Index (%) 181 169* ----------------------------------------------------------------------------- -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.