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 WEDNESDAY: JANUARY 11 , 2017 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 14.3 8.7 164 21.8 11.6 188 Black Bear 8170 19.4 19.8 98 28.5 20.5 139 Blind Bull Sum 8650 20.1 11.3 178 16.1 10.6 152 Cottonwood Creek 7670 14.0 9.4 149 19.7 13.1 150 East Rim Divide 7930 9.9 5.2 190 12.4 6.4 194 Grand Targhee 9260 26.3 20.6 128 24.4 17.5 139 Granite Creek 6770 14.5 7.7 188 20.3 11.0 185 Grassy Lake 7265 20.6 15.4 134 31.9 19.6 163 Gros Ventre Summit 8750 9.1 7.1 128 13.1 6.9 190 Gunsight Pass 9820 9.8 7.0 140 13.9 7.4 188 Lewis Lake Divide 7850 17.5 15.4 114 27.6 19.4 142 Phillips Bench 8200 16.4 13.3 123 25.6 15.0 171 Salt River Summit 7760 10.2 5.7 179 15.7 8.7 180 Snake River Station 6920 13.3 8.1 164 21.8 12.7 172 Spring Creek Divide 9000 18.2 11.1 164 21.8 12.7 172 Thumb Divide 7980 9.2 7.4 124 14.8 10.1 147 Togwotee Pass 9580 17.0 12.5 136 20.8 13.3 156 Two Ocean Plateau 9240 -M 14.7 * -M 14.5 * Willow Creek 8380 17.5 12.9 136 27.6 17.9 154 Younts Peak 8350 11.5 7.7 149 15.8 8.8 180 ----- ----- Basin Index (%) 140 162 MADISON-GALLATIN Black Bear 8170 19.4 19.8 98 28.5 20.5 139 Canyon 7870 8.5 6.6 129 14.5 8.9 163 Madison Plateau 7750 11.5 11.3 102 20.8 14.4 144 West Yellowstone 6700 6.9 5.8 119 14.3 8.1 177 Whiskey Creek 6800 7.6 8.0 95 15.2 11.2 136 ----- ----- Basin Index (%) 105 148 YELLOWSTONE Beartooth Lake 9360 14.3 11.5 124 10.4 10.6 98 Burnt Mtn 5880 4.2 1.9 221 8.1 7.2 112 Canyon 7870 8.5 6.6 129 14.5 8.9 163 Cole Creek 7850 5.7 6.8 84 4.9 6.8 72 Evening Star 9200 16.9 13.3 127 22.8 15.1 151 Fisher Creek 9100 17.0 17.2 99 21.9 17.2 127 Northeast Entrance 7350 5.9 4.9 120 11.2 7.0 160 Parker Peak 9400 14.9 11.2 133 17.6 9.6 183 Sylvan Lake 8420 11.4 10.8 106 21.9 12.6 174 Thumb Divide 7980 9.2 7.4 124 14.8 10.1 147 Two Ocean Plateau 9240 -M 14.7 * -M 14.5 * White Mill 8700 13.8 11.8 117 17.1 12.9 133 Wolverine 7650 8.8 5.6 157 12.1 7.0 173 ----- ----- Basin Index (%) 120 142 WIND RIVER Burroughs Creek 8750 11.5 -M * 13.7 -M * Castle Creek 8400 6.5 -M * 8.7 -M * Cold Springs 9630 5.7 3.7 154 7.8 5.4 144 Deer Park 9700 -M 7.0 * -M 10.3 * Hobbs Park 10100 11.4 7.1 161 11.1 6.7 166 Kirwin 9550 9.2 4.9 188 12.1 6.3 192 Little Warm 9370 6.3 5.2 121 11.1 6.9 161 Owl Creek 8975 3.5 2.8 125 5.1 3.1 165 South Pass 9040 15.1 7.2 210 14.5 9.3 156 St. Lawrence Alt 8620 3.2 3.4 94 7.1 4.6 154 Togwotee Pass 9580 17.0 12.5 136 20.8 13.3 156 Townsend Creek 8700 6.2 4.2 148 8.8 6.2 142 ----- ----- Basin Index (%) 152 159 BIGHORN BASIN Bald Mtn. 9380 11.2 9.5 118 9.7 8.9 109 Bear Trap Meadow 8200 2.8 2.8 100 4.5 4.5 100 Bone Springs Div 9350 8.8 8.1 109 9.0 8.0 112 Grave Springs 8550 3.3 4.0 82 4.6 5.6 82 Kirwin 9550 9.2 4.9 188 12.1 6.3 192 Marquette 8760 4.1 -M * 7.3 -M * Middle Powder 7760 4.2 5.6 75 5.0 6.5 77 Owl Creek 8975 3.5 2.8 125 5.1 3.1 165 Powder River Pass 9480 3.3 5.6 59 6.3 6.7 94 Shell Creek 9580 9.3 7.7 121 7.5 7.3 103 Timber Creek 7950 3.3 2.3 143 4.6 4.1 112 ----- ----- Basin Index (%) 111 112 SHOSHONE RIVER Blackwater 9780 17.8 12.2 146 21.5 11.2 192 Evening Star 9200 16.9 13.3 127 22.8 15.1 151 Marquette 8760 4.1 -M * 7.3 -M * Sylvan Road 7120 8.4 6.1 138 18.3 10.2 179 Younts Peak 8350 11.5 7.7 149 15.8 8.8 180 ----- ----- Basin Index (%) 139 173 POWDER RIVER Bear Trap Meadow 8200 2.8 2.8 100 4.5 4.5 100 Cloud Peak Reservoir 9860 6.6 6.8 97 8.3 6.8 122 Grave Springs 8550 3.3 4.0 82 4.6 5.6 82 Hansen Sawmill 8360 4.3 3.4 126 6.0 4.4 136 Middle Powder 7760 4.2 5.6 75 5.0 6.5 77 Powder River Pass 9480 3.3 5.6 59 6.3 6.7 94 Soldier Park 8720 6.9 -M * 6.4 -M * ----- ----- Basin Index (%) 87 101 TONGUE RIVER Big Goose 7990 4.8 4.1 117 5.7 5.6 102 Bone Springs Div 9350 8.8 8.1 109 9.0 8.0 112 Burgess Junction 7880 4.8 5.2 92 6.2 6.4 97 Dome Lake 8880 6.0 5.8 103 7.4 7.2 103 Little Goose 8870 5.3 -M * 7.4 -M * Sucker Creek 8880 5.7 5.9 97 6.4 7.3 88 Tie Creek 6870 3.2 2.4 133 5.9 6.1 97 ----- ----- Basin Index (%) 106 100 BELLE FOURCHE Cole Canyon 5910 2.9 2.5 116 4.0 5.0 80 ----- ----- Basin Index (%) 116 80 CHEYENNE RIVER BASIN Blind Park 6890 3.7 3.9 95 4.8 6.6 73 North Rapid Creek 6130 3.7 3.5 106 4.1 5.5 75 ----- ----- Basin Index (%) 100 74 UPPER N. PLATTE Arapaho Ridge 10960 16.4 10.8 152 17.4 12.3 141 Blackhall Mtn 9820 19.7 -M * 21.3 -M * Columbine 9160 16.2 11.3 143 18.1 13.4 135 Divide Peak 8880 10.0 9.8 102 12.4 11.6 107 Joe Wright 10120 12.8 10.6 121 18.3 13.6 135 Laprele Creek 8375 5.8 4.6 126 5.5 6.5 85 Med Bow 10500 21.9 -M * 21.2 -M * North French Creek 10130 13.9 13.2 105 15.6 13.9 112 Never Summer 10280 -M 10.2 * -M -M * Old Battle 10000 19.3 15.0 129 20.9 18.6 112 Rawah 9020 8.4 5.2 162 10.8 8.2 132 Sage Creek Basin 7850 8.2 6.8 121 8.7 8.4 104 Sand Lake 10050 16.2 13.7 118 15.5 12.6 123 South Brush Creek 8440 5.9 5.7 104 7.4 8.0 92 Tower 10500 23.7 20.9 113 26.5 21.0 126 Webber Springs 9250 15.8 11.4 139 19.3 14.0 138 Willow Creek Pass 9540 11.2 6.0 187 12.1 7.2 168 Zirkel 9340 -M 13.9 * 22.8 16.0 142 ----- ----- Basin Index (%) 127 125 SWEETWATER Deer Park 9700 -M 7.0 * -M 10.3 * Larsen Creek 9000 10.8 5.7 189 14.2 -M * South Pass 9040 15.1 7.2 210 14.5 9.3 156 ----- ----- Basin Index (%) 201 156* LOWER N. PLATTE Casper Mtn. 7900 5.7 6.6 86 6.1 8.0 76 Laprele Creek 8375 5.8 4.6 126 5.5 6.5 85 Reno Hill 8400 -M 6.5 * -M 7.8 * Windy Peak 7900 4.5 3.3 136 5.4 5.6 96 ----- ----- Basin Index (%) 110 85 LARAMIE RIVER Brooklyn Lake 10240 13.3 9.9 134 12.3 10.5 117 Cinnabar Park 9574 11.3 11.2 101 14.0 13.6 103 Crow Creek 8330 3.8 4.9 78 5.5 5.9 93 Deadman Hill 10220 12.0 7.8 154 11.9 8.7 137 Rawah 9020 8.4 5.2 162 10.8 8.2 132 Roach 9700 9.7 8.1 120 11.7 10.0 117 ----- ----- Basin Index (%) 124 116 S. PLATTE Black Mountain 8920 6.4 -M * 7.6 -M * Crow Creek 8330 3.8 4.9 78 5.5 5.9 93 Deadman Hill 10220 12.0 7.8 154 11.9 8.7 137 ----- ----- Basin Index (%) 124 119 LITTLE SNAKE RIVER Battle Mountain 7440 7.1 5.1 139 9.7 8.0 121 Divide Peak 8880 10.0 9.8 102 12.4 11.6 107 Elk River 8700 12.8 8.5 151 12.9 10.5 123 Little Snake River 8915 17.5 11.4 154 23.1 17.2 134 Old Battle 10000 19.3 15.0 129 20.9 18.6 112 Sage Creek Basin 7850 8.2 6.8 121 8.7 8.4 104 Sandstone RS 8150 8.7 5.9 147 8.9 9.9 90 Whiskey Park 8950 15.4 11.5 134 18.3 14.2 129 ----- ----- Basin Index (%) 134 117 UPPER GREEN RIVER Big Sandy Opening 9080 11.9 6.9 172 14.3 7.1 201 Blind Bull Sum 8650 20.1 11.3 178 16.1 10.6 152 East Rim Divide 7930 9.9 5.2 190 12.4 6.4 194 Elkhart Park G.S. 9400 8.8 6.1 144 13.7 7.2 190 Gros Ventre Summit 8750 9.1 7.1 128 13.1 6.9 190 Gunsight Pass 9820 9.8 7.0 140 13.9 7.4 188 Kendall R.S. 7740 11.5 5.9 195 15.7 7.6 207 Loomis Park 8240 13.8 7.2 192 18.9 9.3 203 New Fork Lake 8340 9.2 5.3 174 9.5 5.9 161 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 10.8 6.1 177 15.4 7.6 203 Spring Creek Divide 9000 18.2 11.1 164 21.8 12.7 172 Triple Peak 8500 20.0 10.3 194 23.2 13.0 178 ----- ----- Basin Index (%) 171 185 LOWER GREEN RIVER Blacks Fork Jct 8870 7.2 -M * 9.1 -M * Buck Pasture 9700 10.9 -M * 13.1 -M * EF Blacks Fork GS 9360 8.3 -M * 9.0 -M * Hams Fork 7840 9.6 5.3 181 11.7 6.1 192 Hewinta 9519 7.3 4.6 159 9.7 7.2 135 Hickerson Park 9145 5.5 3.1 177 5.9 5.4 109 Hole-in-Rock 9150 4.6 3.3 139 6.5 5.0 130 Indian Creek 9425 18.6 11.5 162 -M 11.6 * Kelley R.S. 8180 13.0 7.1 183 18.1 9.7 187 Spirit Lk 10235 8.2 -M * 9.9 -M * Steel Creek Park 10200 10.3 6.8 151 11.9 8.4 142 ----- ----- Basin Index (%) 165 153 UPPER BEAR RIVER Bear River RS 8777 8.1 -M * 9.8 -M * Bug Lake 7950 16.5 7.6 217 16.8 10.3 163 Burts Miller Ranch 8000 4.1 -M * 5.0 -M * Chalk Creek #1 8993 17.6 11.1 159 -M 13.1 * Hayden Fork 9212 12.8 6.7 191 17.1 10.9 157 Kelley R.S. 8180 13.0 7.1 183 18.1 9.7 187 Lily Lake 9156 9.3 6.0 155 11.0 9.0 122 Monte Cristo 8960 16.2 12.7 128 -M 13.6 * Salt River Summit 7760 10.2 5.7 179 15.7 8.7 180 ----- ----- Basin Index (%) 168 162 ----------------------------------------------------------------------------- -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.