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 TUESDAY: JANUARY 17 , 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 9.7 157 22.5 12.3 183 Black Bear 8170 21.1 20.9 101 30.2 21.7 139 Blind Bull Sum 8650 21.2 12.3 172 15.9 11.3 141 Cottonwood Creek 7670 14.7 10.6 139 20.8 13.9 150 East Rim Divide 7930 10.1 5.7 177 12.4 6.8 182 Grand Targhee 9260 27.0 21.2 127 25.2 18.0 140 Granite Creek 6770 14.7 8.7 169 20.5 11.8 174 Grassy Lake 7265 21.9 16.7 131 32.9 20.9 157 Gros Ventre Summit 8750 9.3 7.5 124 13.5 7.3 185 Gunsight Pass 9820 10.0 7.4 135 14.0 7.8 179 Lewis Lake Divide 7850 18.9 16.6 114 27.8 20.4 136 Phillips Bench 8200 17.2 15.0 115 26.3 16.0 164 Salt River Summit 7760 11.0 6.4 172 16.6 9.3 178 Snake River Station 6920 13.7 9.1 151 21.7 13.5 161 Spring Creek Divide 9000 19.2 12.2 157 22.4 13.6 165 Thumb Divide 7980 9.8 8.0 122 15.3 10.8 142 Togwotee Pass 9580 17.6 13.0 135 21.3 14.1 151 Two Ocean Plateau 9240 22.9 15.5 148 23.5 15.4 153 Willow Creek 8380 18.4 14.3 129 27.7 19.0 146 Younts Peak 8350 12.1 8.5 142 16.3 9.4 173 ----- ----- Basin Index (%) 136 156 MADISON-GALLATIN Black Bear 8170 21.1 20.9 101 30.2 21.7 139 Canyon 7870 9.1 7.3 125 15.3 9.4 163 Madison Plateau 7750 12.6 12.5 101 21.9 15.2 144 West Yellowstone 6700 7.0 6.3 111 14.6 8.4 174 Whiskey Creek 6800 7.9 8.4 94 15.9 11.8 135 ----- ----- Basin Index (%) 104 147 YELLOWSTONE Beartooth Lake 9360 15.1 12.5 121 11.5 11.3 102 Burnt Mtn 5880 4.5 2.2 205 8.4 7.4 114 Canyon 7870 9.1 7.3 125 15.3 9.4 163 Cole Creek 7850 6.1 7.2 85 5.2 7.1 73 Evening Star 9200 18.2 14.1 129 24.5 15.9 154 Fisher Creek 9100 17.7 18.4 96 22.9 18.2 126 Northeast Entrance 7350 6.4 5.4 119 11.5 7.4 155 Parker Peak 9400 15.9 11.6 137 18.7 10.1 185 Sylvan Lake 8420 12.4 11.2 111 22.8 13.2 173 Thumb Divide 7980 9.8 8.0 122 15.3 10.8 142 Two Ocean Plateau 9240 22.9 15.5 148 23.5 15.4 153 White Mill 8700 14.7 12.8 115 17.8 13.7 130 Wolverine 7650 9.2 6.0 153 12.5 7.4 169 ----- ----- Basin Index (%) 123 142 WIND RIVER Burroughs Creek 8750 11.7 -M * 14.3 -M * Castle Creek 8400 6.6 -M * 8.7 -M * Cold Springs 9630 5.9 4.1 144 8.4 5.7 147 Deer Park 9700 17.2 7.3 236 20.8 10.9 191 Hobbs Park 10100 11.8 7.3 162 11.8 7.0 169 Kirwin 9550 9.4 5.3 177 12.4 6.6 188 Little Warm 9370 6.5 5.6 116 11.7 7.3 160 Owl Creek 8975 3.5 2.9 121 5.1 3.3 155 South Pass 9040 16.3 7.8 209 16.1 9.8 164 St. Lawrence Alt 8620 3.1 3.5 89 7.1 4.9 145 Togwotee Pass 9580 17.6 13.0 135 21.3 14.1 151 Townsend Creek 8700 6.2 4.4 141 9.0 6.5 138 ----- ----- Basin Index (%) 159 163 BIGHORN BASIN Bald Mtn. 9380 11.8 9.9 119 10.5 9.6 109 Bear Trap Meadow 8200 2.8 2.9 97 4.3 4.7 91 Bone Springs Div 9350 9.1 8.7 105 9.5 8.5 112 Grave Springs 8550 3.3 4.4 75 4.5 5.8 78 Kirwin 9550 9.4 5.3 177 12.4 6.6 188 Marquette 8760 4.6 -M * 8.1 -M * Middle Powder 7760 4.1 6.0 68 4.8 6.8 71 Owl Creek 8975 3.5 2.9 121 5.1 3.3 155 Powder River Pass 9480 3.4 5.8 59 6.3 7.0 90 Shell Creek 9580 9.6 8.4 114 7.9 7.8 101 Timber Creek 7950 3.2 2.6 123 4.6 4.2 110 ----- ----- Basin Index (%) 106 109 SHOSHONE RIVER Blackwater 9780 19.1 13.0 147 22.8 11.8 193 Evening Star 9200 18.2 14.1 129 24.5 15.9 154 Marquette 8760 4.6 -M * 8.1 -M * Sylvan Road 7120 9.1 6.8 134 19.3 10.7 180 Younts Peak 8350 12.1 8.5 142 16.3 9.4 173 ----- ----- Basin Index (%) 138 173 POWDER RIVER Bear Trap Meadow 8200 2.8 2.9 97 4.3 4.7 91 Cloud Peak Reservoir 9860 6.6 7.3 90 8.5 7.1 120 Grave Springs 8550 3.3 4.4 75 4.5 5.8 78 Hansen Sawmill 8360 4.3 3.5 123 6.1 4.6 133 Middle Powder 7760 4.1 6.0 68 4.8 6.8 71 Powder River Pass 9480 3.4 5.8 59 6.3 7.0 90 Soldier Park 8720 7.0 -M * 6.4 -M * ----- ----- Basin Index (%) 82 96 TONGUE RIVER Big Goose 7990 4.9 4.3 114 6.0 5.9 102 Bone Springs Div 9350 9.1 8.7 105 9.5 8.5 112 Burgess Junction 7880 5.1 5.9 86 6.4 6.8 94 Dome Lake 8880 6.2 6.2 100 7.7 7.6 101 Little Goose 8870 5.4 -M * 7.6 -M * Sucker Creek 8880 6.0 6.4 94 6.5 7.8 83 Tie Creek 6870 3.6 2.8 129 6.7 6.5 103 ----- ----- Basin Index (%) 102 99 BELLE FOURCHE Cole Canyon 5910 3.1 2.7 115 4.1 5.2 79 ----- ----- Basin Index (%) 115 79 CHEYENNE RIVER BASIN Blind Park 6890 3.6 4.1 88 4.8 7.0 69 North Rapid Creek 6130 3.9 3.7 105 4.2 5.7 74 ----- ----- Basin Index (%) 96 71 UPPER N. PLATTE Arapaho Ridge 10960 17.7 11.2 158 18.6 12.8 145 Blackhall Mtn 9820 23.2 -M * 24.4 -M * Columbine 9160 17.5 12.5 140 18.8 14.2 132 Divide Peak 8880 11.8 10.5 112 14.5 12.1 120 Joe Wright 10120 13.7 11.4 120 19.6 14.2 138 Laprele Creek 8375 6.3 5.0 126 6.1 6.8 90 Med Bow 10500 24.3 -M * 23.3 -M * North French Creek 10130 15.3 14.0 109 17.0 14.8 115 Never Summer 10280 -M 10.6 * -M -M * Old Battle 10000 22.6 15.8 143 24.8 19.7 126 Rawah 9020 9.3 5.5 169 11.9 8.5 140 Sage Creek Basin 7850 9.5 7.3 130 10.1 8.7 116 Sand Lake 10050 18.0 14.5 124 17.4 13.4 130 South Brush Creek 8440 6.4 6.2 103 7.5 8.5 88 Tower 10500 27.3 22.9 119 30.4 22.3 136 Webber Springs 9250 18.1 12.0 151 21.6 15.0 144 Willow Creek Pass 9540 12.4 6.3 197 13.2 7.4 178 Zirkel 9340 -M 15.9 * 23.1 16.7 138 ----- ----- Basin Index (%) 133 130 SWEETWATER Deer Park 9700 17.2 7.3 236 20.8 10.9 191 Larsen Creek 9000 11.4 6.1 187 14.9 -M * South Pass 9040 16.3 7.8 209 16.1 9.8 164 ----- ----- Basin Index (%) 212 178 LOWER N. PLATTE Casper Mtn. 7900 5.7 6.8 84 6.1 8.2 74 Laprele Creek 8375 6.3 5.0 126 6.1 6.8 90 Reno Hill 8400 -M 6.7 * -M 8.1 * Windy Peak 7900 5.0 3.7 135 5.6 5.8 97 ----- ----- Basin Index (%) 110 86 LARAMIE RIVER Brooklyn Lake 10240 15.1 10.9 139 14.0 11.2 125 Cinnabar Park 9574 12.4 11.7 106 15.2 14.3 106 Crow Creek 8330 4.1 5.1 80 5.7 6.0 95 Deadman Hill 10220 13.6 8.3 164 13.5 9.1 148 Rawah 9020 9.3 5.5 169 11.9 8.5 140 Roach 9700 11.6 8.8 132 13.7 10.5 130 ----- ----- Basin Index (%) 131 124 S. PLATTE Black Mountain 8920 6.9 -M * 8.2 -M * Crow Creek 8330 4.1 5.1 80 5.7 6.0 95 Deadman Hill 10220 13.6 8.3 164 13.5 9.1 148 ----- ----- Basin Index (%) 132 127 LITTLE SNAKE RIVER Battle Mountain 7440 8.0 5.7 140 -M 8.6 * Divide Peak 8880 11.8 10.5 112 14.5 12.1 120 Elk River 8700 14.6 9.4 155 14.8 11.2 132 Little Snake River 8915 20.5 12.4 165 26.2 17.9 146 Old Battle 10000 22.6 15.8 143 24.8 19.7 126 Sage Creek Basin 7850 9.5 7.3 130 10.1 8.7 116 Sandstone RS 8150 10.0 6.9 145 10.6 10.5 101 Whiskey Park 8950 17.7 13.5 131 20.6 15.3 135 ----- ----- Basin Index (%) 141 127 UPPER GREEN RIVER Big Sandy Opening 9080 12.2 7.0 174 14.8 7.4 200 Blind Bull Sum 8650 21.2 12.3 172 15.9 11.3 141 East Rim Divide 7930 10.1 5.7 177 12.4 6.8 182 Elkhart Park G.S. 9400 9.2 6.5 142 14.6 7.6 192 Gros Ventre Summit 8750 9.3 7.5 124 13.5 7.3 185 Gunsight Pass 9820 10.0 7.4 135 14.0 7.8 179 Kendall R.S. 7740 11.8 6.6 179 16.0 8.1 198 Loomis Park 8240 14.1 7.9 178 19.3 9.9 195 New Fork Lake 8340 9.3 5.7 163 9.8 6.2 158 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 11.2 6.4 175 15.8 8.1 195 Spring Creek Divide 9000 19.2 12.2 157 22.4 13.6 165 Triple Peak 8500 20.8 11.4 182 23.0 13.9 165 ----- ----- Basin Index (%) 164 177 LOWER GREEN RIVER Blacks Fork Jct 8870 7.4 -M * 9.7 -M * Buck Pasture 9700 11.7 -M * 14.7 -M * EF Blacks Fork GS 9360 8.5 -M * 9.3 -M * Hams Fork 7840 10.0 5.8 172 12.1 6.4 189 Hewinta 9519 7.9 4.9 161 10.2 7.6 134 Hickerson Park 9145 5.4 3.2 169 5.5 5.6 98 Hole-in-Rock 9150 4.4 3.4 129 6.2 5.2 119 Indian Creek 9425 19.7 12.5 158 -M 12.3 * Kelley R.S. 8180 13.7 7.5 183 18.9 10.2 185 Spirit Lk 10235 8.2 -M * 9.8 -M * Steel Creek Park 10200 10.8 7.4 146 12.7 8.8 144 ----- ----- Basin Index (%) 161 150 UPPER BEAR RIVER Bear River RS 8777 8.8 -M * 10.6 -M * Bug Lake 7950 19.0 8.7 218 18.4 10.9 169 Burts Miller Ranch 8000 4.7 -M * 5.2 -M * Chalk Creek #1 8993 19.4 11.7 166 -M 13.8 * Hayden Fork 9212 13.8 7.3 189 18.3 11.5 159 Kelley R.S. 8180 13.7 7.5 183 18.9 10.2 185 Lily Lake 9156 10.2 6.5 157 12.0 9.5 126 Monte Cristo 8960 18.7 13.7 136 -M 14.4 * Salt River Summit 7760 11.0 6.4 172 16.6 9.3 178 ----- ----- Basin Index (%) 171 164 ----------------------------------------------------------------------------- -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.