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: FEBRUARY 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 21.7 12.8 170 29.4 15.7 187 Black Bear 8170 30.2 27.3 111 39.0 28.2 138 Blind Bull Sum 8650 33.0 16.3 202 -M 14.6 * Cottonwood Creek 7670 21.5 15.0 143 28.9 17.9 161 East Rim Divide 7930 15.4 7.4 208 17.3 8.6 201 Grand Targhee 9260 33.0 26.9 123 31.0 23.4 132 Granite Creek 6770 23.1 12.6 183 26.4 15.2 174 Grassy Lake 7265 29.3 24.3 121 41.8 27.2 154 Gros Ventre Summit 8750 13.9 9.0 154 18.4 9.2 200 Gunsight Pass 9820 15.7 9.6 164 18.9 10.1 187 Lewis Lake Divide 7850 29.2 23.5 124 39.8 26.4 151 Phillips Bench 8200 26.3 18.1 145 36.0 20.7 174 Salt River Summit 7760 16.9 9.5 178 22.6 12.2 185 Snake River Station 6920 17.4 13.3 131 28.7 17.3 166 Spring Creek Divide 9000 28.7 16.5 174 29.6 17.6 168 Thumb Divide 7980 17.1 10.9 157 20.9 13.5 155 Togwotee Pass 9580 24.7 16.6 149 28.7 17.8 161 Two Ocean Plateau 9240 -M 19.7 * -M 19.7 * Willow Creek 8380 26.8 19.8 135 37.0 24.4 152 Younts Peak 8350 19.8 11.0 180 23.6 11.7 202 ----- ----- Basin Index (%) 148 163 MADISON-GALLATIN Black Bear 8170 30.2 27.3 111 39.0 28.2 138 Canyon 7870 13.6 9.5 143 20.3 12.0 169 Madison Plateau 7750 18.9 15.9 119 27.6 19.2 144 West Yellowstone 6700 10.1 7.8 129 18.2 10.8 169 Whiskey Creek 6800 12.0 10.9 110 20.2 14.9 136 ----- ----- Basin Index (%) 119 147 YELLOWSTONE Beartooth Lake 9360 23.7 15.5 153 19.6 14.5 135 Burnt Mtn 5880 4.8 3.6 133 10.1 8.8 115 Canyon 7870 13.6 9.5 143 20.3 12.0 169 Cole Creek 7850 7.4 8.9 83 5.8 8.4 69 Evening Star 9200 27.6 17.8 155 30.0 20.4 147 Fisher Creek 9100 29.2 23.6 124 33.5 23.4 143 Northeast Entrance 7350 9.2 7.5 123 15.1 9.3 162 Parker Peak 9400 24.0 14.3 168 23.4 12.8 183 Sylvan Lake 8420 18.2 14.4 126 29.2 16.6 176 Thumb Divide 7980 17.1 10.9 157 20.9 13.5 155 Two Ocean Plateau 9240 -M 19.7 * -M 19.7 * White Mill 8700 22.7 16.4 138 24.9 17.5 142 Wolverine 7650 13.9 8.0 174 17.0 9.2 185 ----- ----- Basin Index (%) 141 150 WIND RIVER Burroughs Creek 8750 18.5 -M * 20.8 -M * Castle Creek 8400 10.1 -M * 12.3 -M * Cold Springs 9630 9.3 5.2 179 11.8 6.8 174 Deer Park 9700 22.9 9.9 231 26.5 14.1 188 Hobbs Park 10100 16.6 8.7 191 15.7 8.7 180 Kirwin 9550 14.1 6.2 227 17.2 8.1 212 Little Warm 9370 11.3 7.4 153 17.0 9.0 189 Owl Creek 8975 5.7 3.4 168 7.3 3.9 187 South Pass 9040 21.4 10.3 208 20.1 12.3 163 St. Lawrence Alt 8620 5.0 4.6 109 9.4 5.9 159 Togwotee Pass 9580 24.7 16.6 149 28.7 17.8 161 Townsend Creek 8700 8.5 5.9 144 11.8 8.0 148 ----- ----- Basin Index (%) 178 175 BIGHORN BASIN Bald Mtn. 9380 13.9 13.2 105 12.4 11.9 104 Bear Trap Meadow 8200 3.8 3.8 100 5.2 5.7 91 Bone Springs Div 9350 11.7 10.9 107 11.8 10.7 110 Grave Springs 8550 4.2 5.7 74 4.9 7.2 68 Kirwin 9550 14.1 6.2 227 17.2 8.1 212 Marquette 8760 6.2 -M * 9.9 -M * Middle Powder 7760 5.0 7.2 69 5.6 8.1 69 Owl Creek 8975 5.7 3.4 168 7.3 3.9 187 Powder River Pass 9480 4.8 7.3 66 7.9 8.8 90 Shell Creek 9580 11.6 10.2 114 9.2 9.7 95 Timber Creek 7950 4.4 3.1 142 5.8 4.9 118 ----- ----- Basin Index (%) 112 111 SHOSHONE RIVER Blackwater 9780 27.5 15.7 175 30.8 14.9 207 Evening Star 9200 27.6 17.8 155 30.0 20.4 147 Marquette 8760 6.2 -M * 9.9 -M * Sylvan Road 7120 13.3 8.7 153 24.3 13.1 185 Younts Peak 8350 19.8 11.0 180 23.6 11.7 202 ----- ----- Basin Index (%) 166 181 POWDER RIVER Bear Trap Meadow 8200 3.8 3.8 100 5.2 5.7 91 Cloud Peak Reservoir 9860 8.8 9.7 91 10.6 8.8 120 Grave Springs 8550 4.2 5.7 74 4.9 7.2 68 Hansen Sawmill 8360 6.1 4.3 142 7.9 5.5 144 Middle Powder 7760 5.0 7.2 69 5.6 8.1 69 Powder River Pass 9480 4.8 7.3 66 7.9 8.8 90 Soldier Park 8720 9.3 -M * 7.8 -M * ----- ----- Basin Index (%) 86 95 TONGUE RIVER Big Goose 7990 6.4 5.7 112 7.4 7.3 101 Bone Springs Div 9350 11.7 10.9 107 11.8 10.7 110 Burgess Junction 7880 7.0 7.5 93 8.2 8.3 99 Dome Lake 8880 8.2 7.9 104 9.5 9.2 103 Little Goose 8870 6.9 -M * 9.2 -M * Sucker Creek 8880 7.8 8.1 96 8.2 9.7 85 Tie Creek 6870 4.3 3.9 110 8.0 7.8 103 ----- ----- Basin Index (%) 103 100 BELLE FOURCHE Cole Canyon 5910 3.3 4.5 73 4.7 6.6 71 ----- ----- Basin Index (%) 73 71 CHEYENNE RIVER BASIN Blind Park 6890 4.6 5.7 81 5.9 8.7 68 North Rapid Creek 6130 4.5 5.4 83 5.2 7.1 73 ----- ----- Basin Index (%) 82 70 UPPER N. PLATTE Arapaho Ridge 10960 21.4 14.9 144 21.9 16.2 135 Blackhall Mtn 9820 30.0 -M * 29.6 -M * Columbine 9160 21.7 17.5 124 23.2 18.7 124 Divide Peak 8880 15.5 14.1 110 17.9 15.6 115 Joe Wright 10120 16.2 14.8 109 23.0 18.1 127 Laprele Creek 8375 9.2 6.7 137 8.5 8.5 100 Med Bow 10500 29.8 -M * 27.7 -M * North French Creek 10130 19.3 19.3 100 20.4 19.1 107 Never Summer 10280 18.7 14.2 132 15.4 -M * Old Battle 10000 29.8 22.2 134 31.2 25.7 121 Rawah 9020 11.1 7.5 148 13.7 9.9 138 Sage Creek Basin 7850 12.9 9.8 132 12.9 11.0 117 Sand Lake 10050 22.5 18.7 120 21.2 17.2 123 South Brush Creek 8440 8.4 8.6 98 9.5 10.6 90 Tower 10500 35.6 32.8 109 37.2 29.1 128 Webber Springs 9250 23.8 16.8 142 27.6 19.3 143 Willow Creek Pass 9540 15.1 8.6 176 16.0 9.4 170 Zirkel 9340 34.6 21.0 165 36.0 21.6 167 ----- ----- Basin Index (%) 128 128 SWEETWATER Deer Park 9700 22.9 9.9 231 26.5 14.1 188 Larsen Creek 9000 16.2 8.6 188 18.7 -M * South Pass 9040 21.4 10.3 208 20.1 12.3 163 ----- ----- Basin Index (%) 210 177 LOWER N. PLATTE Casper Mtn. 7900 7.7 9.0 86 7.6 10.2 75 Laprele Creek 8375 9.2 6.7 137 8.5 8.5 100 Reno Hill 8400 8.6 8.9 97 9.2 10.2 90 Windy Peak 7900 7.2 5.2 138 7.8 7.2 108 ----- ----- Basin Index (%) 110 92 LARAMIE RIVER Brooklyn Lake 10240 19.5 13.9 140 17.6 14.6 121 Cinnabar Park 9574 15.1 16.0 94 17.7 18.3 97 Crow Creek 8330 3.8 6.4 59 6.2 7.2 86 Deadman Hill 10220 16.5 11.5 143 15.9 11.6 137 Rawah 9020 11.1 7.5 148 13.7 9.9 138 Roach 9700 14.1 11.6 122 16.7 13.4 125 ----- ----- Basin Index (%) 120 117 S. PLATTE Black Mountain 8920 7.6 -M * 8.8 -M * Crow Creek 8330 3.8 6.4 59 6.2 7.2 86 Deadman Hill 10220 16.5 11.5 143 15.9 11.6 137 ----- ----- Basin Index (%) 113 118 LITTLE SNAKE RIVER Battle Mountain 7440 9.2 8.7 106 12.5 11.1 113 Divide Peak 8880 15.5 14.1 110 17.9 15.6 115 Elk River 8700 16.9 13.8 122 16.7 14.6 114 Little Snake River 8915 26.4 18.4 143 32.0 23.3 137 Old Battle 10000 29.8 22.2 134 31.2 25.7 121 Sage Creek Basin 7850 12.9 9.8 132 12.9 11.0 117 Sandstone RS 8150 10.8 9.9 109 12.9 13.8 93 Whiskey Park 8950 22.2 19.3 115 24.0 20.6 117 ----- ----- Basin Index (%) 124 118 UPPER GREEN RIVER Big Sandy Opening 9080 17.2 9.0 191 19.2 9.4 204 Blind Bull Sum 8650 33.0 16.3 202 -M 14.6 * East Rim Divide 7930 15.4 7.4 208 17.3 8.6 201 Elkhart Park G.S. 9400 14.2 8.6 165 19.1 9.5 201 Gros Ventre Summit 8750 13.9 9.0 154 18.4 9.2 200 Gunsight Pass 9820 15.7 9.6 164 18.9 10.1 187 Kendall R.S. 7740 18.5 9.0 206 22.8 10.5 217 Loomis Park 8240 21.6 10.6 204 26.1 12.7 206 New Fork Lake 8340 13.8 7.5 184 14.2 7.9 180 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 15.9 9.0 177 21.6 10.5 206 Spring Creek Divide 9000 28.7 16.5 174 29.6 17.6 168 Triple Peak 8500 30.1 15.5 194 31.1 18.2 171 ----- ----- Basin Index (%) 186 192 LOWER GREEN RIVER Blacks Fork Jct 8869 8.9 -M * 11.4 -M * Buck Pasture 9632 15.0 -M * 17.6 -M * EF Blacks Fork GS 9360 12.5 -M * -M -M * Hams Fork 7840 14.0 8.4 167 16.0 8.3 193 Hewinta 9519 9.9 7.0 141 11.6 9.9 117 Hickerson Park 9145 6.5 5.1 127 6.8 6.9 99 Hole-in-Rock 9150 5.3 4.8 110 7.3 6.5 112 Indian Creek 9425 29.1 16.6 175 -M 16.1 * Kelley R.S. 8180 20.6 10.7 193 24.2 13.2 183 Spirit Lk 10235 10.6 -M * 12.2 -M * Steel Creek Park 10200 12.5 10.3 121 14.3 11.2 128 ----- ----- Basin Index (%) 156 143 UPPER BEAR RIVER Bear River RS 8777 10.7 -M * 13.0 -M * Bug Lake 7950 25.6 13.3 192 24.3 14.1 172 Burts Miller Ranch 8000 5.4 -M * 6.7 -M * Chalk Creek #1 8993 25.8 16.1 160 27.0 17.8 152 Hayden Fork 9212 17.8 11.0 162 22.6 14.9 152 Kelley R.S. 8180 20.6 10.7 193 24.2 13.2 183 Lily Lake 9156 12.5 9.0 139 14.4 12.1 119 Monte Cristo 8960 26.5 18.9 140 -M 18.6 * Salt River Summit 7760 16.9 9.5 178 22.6 12.2 185 ----- ----- Basin Index (%) 165 160 ----------------------------------------------------------------------------- -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.