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 SUNDAY: JANUARY 29 , 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 10.7 145 23.4 13.7 171 Black Bear 8170 22.5 23.1 97 31.4 24.4 129 Blind Bull Sum 8650 22.3 13.4 166 15.9 12.6 126 Cottonwood Creek 7670 16.4 12.3 133 22.3 15.5 144 East Rim Divide 7930 11.0 6.7 164 13.2 7.5 176 Grand Targhee 9260 28.5 23.3 122 26.4 20.3 130 Granite Creek 6770 15.8 10.0 158 20.9 13.3 157 Grassy Lake 7265 23.5 19.5 121 34.6 23.4 148 Gros Ventre Summit 8750 9.5 8.2 116 13.9 8.0 174 Gunsight Pass 9820 10.3 8.1 127 14.3 8.7 164 Lewis Lake Divide 7850 19.8 19.3 103 31.7 22.7 140 Phillips Bench 8200 18.6 15.9 117 26.8 17.8 151 Salt River Summit 7760 12.2 7.5 163 17.3 10.4 166 Snake River Station 6920 14.0 10.3 136 23.2 15.1 154 Spring Creek Divide 9000 20.5 13.8 149 23.0 15.0 153 Thumb Divide 7980 10.3 9.4 110 15.8 12.0 132 Togwotee Pass 9580 18.3 14.7 124 22.0 15.5 142 Two Ocean Plateau 9240 23.5 16.8 140 23.7 16.9 140 Willow Creek 8380 20.0 16.8 119 31.0 21.2 146 Younts Peak 8350 12.6 9.2 137 16.9 10.3 164 ----- ----- Basin Index (%) 128 147 MADISON-GALLATIN Black Bear 8170 22.5 23.1 97 31.4 24.4 129 Canyon 7870 9.3 8.0 116 15.7 10.5 150 Madison Plateau 7750 13.6 14.0 97 22.7 17.1 133 West Yellowstone 6700 7.6 6.9 110 15.1 9.5 159 Whiskey Creek 6800 8.7 9.5 92 16.6 13.0 128 ----- ----- Basin Index (%) 100 136 YELLOWSTONE Beartooth Lake 9360 15.5 13.5 115 11.9 12.6 94 Burnt Mtn 5880 4.5 2.4 188 8.6 7.8 110 Canyon 7870 9.3 8.0 116 15.7 10.5 150 Cole Creek 7850 6.2 8.1 77 5.2 7.5 69 Evening Star 9200 18.6 15.8 118 25.0 17.6 142 Fisher Creek 9100 18.3 20.2 91 23.5 20.4 115 Northeast Entrance 7350 6.6 6.2 106 11.7 8.1 144 Parker Peak 9400 16.3 12.6 129 19.1 11.2 171 Sylvan Lake 8420 12.9 12.7 102 23.3 14.5 161 Thumb Divide 7980 10.3 9.4 110 15.8 12.0 132 Two Ocean Plateau 9240 23.5 16.8 140 23.7 16.9 140 White Mill 8700 15.1 14.2 106 18.3 15.1 121 Wolverine 7650 8.8 6.8 129 12.7 8.0 159 ----- ----- Basin Index (%) 113 132 WIND RIVER Burroughs Creek 8750 12.2 -M * 14.9 -M * Castle Creek 8400 6.8 -M * 8.9 -M * Cold Springs 9630 6.3 4.3 147 8.9 6.1 146 Deer Park 9700 18.0 8.9 202 21.4 12.1 177 Hobbs Park 10100 12.4 7.9 157 12.5 7.6 164 Kirwin 9550 9.9 5.7 174 13.0 7.1 183 Little Warm 9370 6.8 6.1 111 11.9 8.0 149 Owl Creek 8975 4.1 3.1 132 5.6 3.5 160 South Pass 9040 17.0 8.3 205 16.3 10.7 152 St. Lawrence Alt 8620 3.7 4.1 90 7.6 5.2 146 Togwotee Pass 9580 18.3 14.7 124 22.0 15.5 142 Townsend Creek 8700 6.9 5.0 138 9.9 6.9 143 ----- ----- Basin Index (%) 152 156 BIGHORN BASIN Bald Mtn. 9380 12.3 10.6 116 10.9 10.5 104 Bear Trap Meadow 8200 3.3 3.4 97 4.7 5.1 92 Bone Springs Div 9350 9.4 9.7 97 10.0 9.4 106 Grave Springs 8550 3.8 4.9 78 4.8 6.3 76 Kirwin 9550 9.9 5.7 174 13.0 7.1 183 Marquette 8760 5.0 -M * 8.4 -M * Middle Powder 7760 4.7 6.2 76 5.2 7.2 72 Owl Creek 8975 4.1 3.1 132 5.6 3.5 160 Powder River Pass 9480 3.8 6.2 61 6.7 7.7 87 Shell Creek 9580 9.9 9.0 110 8.1 8.7 93 Timber Creek 7950 3.7 3.0 123 5.0 4.4 114 ----- ----- Basin Index (%) 105 106 SHOSHONE RIVER Blackwater 9780 19.5 14.4 135 23.3 13.0 179 Evening Star 9200 18.6 15.8 118 25.0 17.6 142 Marquette 8760 5.0 -M * 8.4 -M * Sylvan Road 7120 9.4 7.7 122 19.6 11.6 169 Younts Peak 8350 12.6 9.2 137 16.9 10.3 164 ----- ----- Basin Index (%) 128 162 POWDER RIVER Bear Trap Meadow 8200 3.3 3.4 97 4.7 5.1 92 Cloud Peak Reservoir 9860 7.4 8.1 91 9.2 7.8 118 Grave Springs 8550 3.8 4.9 78 4.8 6.3 76 Hansen Sawmill 8360 4.9 4.0 122 6.7 5.0 134 Middle Powder 7760 4.7 6.2 76 5.2 7.2 72 Powder River Pass 9480 3.8 6.2 61 6.7 7.7 87 Soldier Park 8720 7.4 -M * 6.8 -M * ----- ----- Basin Index (%) 85 95 TONGUE RIVER Big Goose 7990 5.3 4.8 110 6.3 6.4 98 Bone Springs Div 9350 9.4 9.7 97 10.0 9.4 106 Burgess Junction 7880 5.5 6.5 85 6.9 7.3 95 Dome Lake 8880 6.5 6.6 98 8.0 8.2 98 Little Goose 8870 5.7 -M * 7.9 -M * Sucker Creek 8880 6.4 7.0 91 6.9 8.5 81 Tie Creek 6870 3.9 3.3 118 7.0 6.9 101 ----- ----- Basin Index (%) 98 97 BELLE FOURCHE Cole Canyon 5910 3.5 3.2 109 4.3 5.6 77 ----- ----- Basin Index (%) 109 77 CHEYENNE RIVER BASIN Blind Park 6890 4.1 4.4 93 5.2 7.6 68 North Rapid Creek 6130 4.4 4.2 105 4.7 6.1 77 ----- ----- Basin Index (%) 99 72 UPPER N. PLATTE Arapaho Ridge 10960 18.7 12.8 146 19.5 13.8 141 Blackhall Mtn 9820 25.1 -M * 26.6 -M * Columbine 9160 18.9 14.3 132 20.7 16.0 129 Divide Peak 8880 13.3 12.0 111 15.8 13.4 118 Joe Wright 10120 14.6 12.7 115 20.6 15.7 131 Laprele Creek 8375 7.0 5.3 132 6.9 7.4 93 Med Bow 10500 26.1 -M * 25.0 -M * North French Creek 10130 16.6 15.8 105 18.2 16.6 110 Never Summer 10280 -M 12.0 * -M -M * Old Battle 10000 25.0 18.8 133 26.4 21.9 121 Rawah 9020 10.0 6.0 167 12.5 8.9 140 Sage Creek Basin 7850 11.1 8.1 137 11.7 9.6 122 Sand Lake 10050 19.3 16.1 120 18.6 14.8 126 South Brush Creek 8440 7.1 7.2 99 8.2 9.4 87 Tower 10500 30.2 26.8 113 31.9 25.0 128 Webber Springs 9250 19.6 13.2 148 23.5 16.6 142 Willow Creek Pass 9540 13.1 7.2 182 14.0 8.1 173 Zirkel 9340 27.3 17.9 153 32.6 18.3 178 ----- ----- Basin Index (%) 130 130 SWEETWATER Deer Park 9700 18.0 8.9 202 21.4 12.1 177 Larsen Creek 9000 12.0 7.1 169 15.5 -M * South Pass 9040 17.0 8.3 205 16.3 10.7 152 ----- ----- Basin Index (%) 193 165 LOWER N. PLATTE Casper Mtn. 7900 6.7 7.4 91 6.9 9.0 77 Laprele Creek 8375 7.0 5.3 132 6.9 7.4 93 Reno Hill 8400 -M 7.6 * -M 8.8 * Windy Peak 7900 5.7 4.1 139 6.5 6.3 103 ----- ----- Basin Index (%) 115 89 LARAMIE RIVER Brooklyn Lake 10240 16.1 11.9 135 14.9 12.6 118 Cinnabar Park 9574 13.1 12.9 102 15.9 15.6 102 Crow Creek 8330 4.2 5.7 74 5.9 6.4 92 Deadman Hill 10220 14.1 9.7 145 13.8 10.0 138 Rawah 9020 10.0 6.0 167 12.5 8.9 140 Roach 9700 12.4 9.8 127 14.7 11.6 127 ----- ----- Basin Index (%) 125 119 S. PLATTE Black Mountain 8920 7.2 -M * 8.4 -M * Crow Creek 8330 4.2 5.7 74 5.9 6.4 92 Deadman Hill 10220 14.1 9.7 145 13.8 10.0 138 ----- ----- Basin Index (%) 119 120 LITTLE SNAKE RIVER Battle Mountain 7440 8.8 6.8 129 -M 9.5 * Divide Peak 8880 13.3 12.0 111 15.8 13.4 118 Elk River 8700 15.7 10.7 147 15.8 12.4 127 Little Snake River 8915 22.7 15.1 150 28.2 20.1 140 Old Battle 10000 25.0 18.8 133 26.4 21.9 121 Sage Creek Basin 7850 11.1 8.1 137 11.7 9.6 122 Sandstone RS 8150 10.7 7.8 137 11.6 11.7 99 Whiskey Park 8950 19.3 15.4 125 21.9 17.3 127 ----- ----- Basin Index (%) 134 123 UPPER GREEN RIVER Big Sandy Opening 9080 13.2 7.9 167 15.6 8.2 190 Blind Bull Sum 8650 22.3 13.4 166 15.9 12.6 126 East Rim Divide 7930 11.0 6.7 164 13.2 7.5 176 Elkhart Park G.S. 9400 10.0 7.3 137 15.5 8.3 187 Gros Ventre Summit 8750 9.5 8.2 116 13.9 8.0 174 Gunsight Pass 9820 10.3 8.1 127 14.3 8.7 164 Kendall R.S. 7740 12.5 7.8 160 16.8 9.0 187 Loomis Park 8240 15.2 9.3 163 20.2 11.0 184 New Fork Lake 8340 10.1 6.7 151 10.5 6.9 152 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 12.3 7.3 168 17.0 9.0 189 Spring Creek Divide 9000 20.5 13.8 149 23.0 15.0 153 Triple Peak 8500 22.1 12.7 174 23.4 15.6 150 ----- ----- Basin Index (%) 155 166 LOWER GREEN RIVER Blacks Fork Jct 8870 8.2 -M * 10.5 -M * Buck Pasture 9700 13.7 -M * 16.2 -M * EF Blacks Fork GS 9360 9.1 -M * 9.5 -M * Hams Fork 7840 11.2 6.9 162 13.3 7.1 187 Hewinta 9519 8.8 5.3 166 11.0 8.5 129 Hickerson Park 9145 6.1 3.7 165 6.4 6.0 107 Hole-in-Rock 9150 5.0 3.9 128 6.9 5.6 123 Indian Creek 9425 -M 14.2 * -M 13.7 * Kelley R.S. 8180 15.3 8.8 174 20.4 11.3 181 Spirit Lk 10235 9.8 -M * 11.4 -M * Steel Creek Park 10200 11.9 8.4 142 13.5 9.7 139 ----- ----- Basin Index (%) 158 148 UPPER BEAR RIVER Bear River RS 8777 9.8 -M * 11.8 -M * Bug Lake 7950 21.4 10.1 212 18.8 12.2 154 Burts Miller Ranch 8000 5.6 -M * 5.9 -M * Chalk Creek #1 8993 21.9 13.2 166 -M 15.4 * Hayden Fork 9212 15.7 8.4 187 -M 12.8 * Kelley R.S. 8180 15.3 8.8 174 20.4 11.3 181 Lily Lake 9156 10.8 7.3 148 13.2 10.5 126 Monte Cristo 8960 22.0 15.5 142 -M 16.0 * Salt River Summit 7760 12.2 7.5 163 17.3 10.4 166 ----- ----- Basin Index (%) 169 157* ----------------------------------------------------------------------------- -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.