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: MARCH 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 24.2 14.7 165 38.1 19.9 191 Black Bear 8170 43.5 35.4 123 51.0 36.1 141 Blind Bull Sum 8650 41.7 21.8 191 -M 18.5 * Cottonwood Creek 7670 26.5 20.9 127 35.8 23.3 154 East Rim Divide 7930 17.4 9.8 178 20.5 11.2 183 Grand Targhee 9260 42.4 35.4 120 38.4 28.7 134 Granite Creek 6770 27.9 14.9 187 34.9 18.9 185 Grassy Lake 7265 35.0 31.3 112 51.9 34.2 152 Gros Ventre Summit 8750 -M 12.6 * -M 12.2 * Gunsight Pass 9820 21.2 13.1 162 23.1 12.9 179 Lewis Lake Divide 7850 42.2 29.3 144 53.0 33.6 158 Phillips Bench 8200 35.7 23.8 150 45.0 26.7 169 Salt River Summit 7760 19.6 12.7 154 27.8 15.8 176 Snake River Station 6920 19.0 15.8 120 34.2 21.4 160 Spring Creek Divide 9000 38.6 22.4 172 38.5 22.6 170 Thumb Divide 7980 22.8 15.1 151 26.9 17.5 154 Togwotee Pass 9580 32.0 21.5 149 36.5 22.9 159 Two Ocean Plateau 9240 -M 25.3 * -M 25.8 * Willow Creek 8380 28.2 27.0 104 46.7 31.6 148 Younts Peak 8350 24.8 13.9 178 30.2 14.9 203 ----- ----- Basin Index (%) 143 161 MADISON-GALLATIN Black Bear 8170 43.5 35.4 123 51.0 36.1 141 Canyon 7870 17.2 12.2 141 24.6 15.2 162 Madison Plateau 7750 25.9 21.1 123 34.5 24.9 139 West Yellowstone 6700 8.7 10.2 85 22.1 13.3 166 Whiskey Creek 6800 13.5 14.8 91 25.7 19.1 135 ----- ----- Basin Index (%) 116 145 YELLOWSTONE Beartooth Lake 9360 31.1 20.7 150 26.6 18.5 144 Burnt Mtn 5880 .7 4.5 16 12.7 11.6 109 Canyon 7870 17.2 12.2 141 24.6 15.2 162 Cole Creek 7850 10.1 13.0 78 7.1 11.7 61 Evening Star 9200 36.8 23.8 155 43.2 25.7 168 Fisher Creek 9100 42.2 29.4 144 45.5 30.0 152 Northeast Entrance 7350 9.6 9.8 98 19.8 11.5 172 Parker Peak 9400 32.3 18.5 175 32.6 16.5 198 Sylvan Lake 8420 22.6 18.9 120 35.5 21.0 169 Thumb Divide 7980 22.8 15.1 151 26.9 17.5 154 Two Ocean Plateau 9240 -M 25.3 * -M 25.8 * White Mill 8700 34.1 21.3 160 34.8 22.3 156 Wolverine 7650 7.4 8.9 83 20.2 11.4 177 ----- ----- Basin Index (%) 136 155 WIND RIVER Burroughs Creek 8750 23.4 -M * 26.4 -M * Castle Creek 8400 10.9 -M * 14.6 -M * Cold Springs 9630 13.5 7.1 190 16.0 9.2 174 Deer Park 9700 29.4 14.3 206 34.5 18.3 189 Hobbs Park 10100 24.6 13.0 189 22.9 12.1 189 Kirwin 9550 20.4 9.1 224 22.7 10.7 212 Little Warm 9370 16.7 10.1 165 22.3 12.0 186 Owl Creek 8975 7.8 5.1 153 10.2 5.5 185 South Pass 9040 28.0 14.6 192 25.2 16.3 155 St. Lawrence Alt 8620 6.3 6.7 94 13.5 8.2 165 Togwotee Pass 9580 32.0 21.5 149 36.5 22.9 159 Townsend Creek 8700 14.1 8.8 160 18.1 11.0 165 ----- ----- Basin Index (%) 175 176 BIGHORN BASIN Bald Mtn. 9380 18.2 17.8 102 15.7 15.9 99 Bear Trap Meadow 8200 4.4 5.1 86 7.3 7.7 95 Bone Springs Div 9350 18.0 15.1 119 16.6 14.4 115 Grave Springs 8550 6.3 8.6 73 6.8 9.7 70 Kirwin 9550 20.4 9.1 224 22.7 10.7 212 Marquette 8760 8.8 -M * 13.2 -M * Middle Powder 7760 6.8 10.8 63 6.7 10.8 62 Owl Creek 8975 7.8 5.1 153 10.2 5.5 185 Powder River Pass 9480 7.9 9.8 81 11.6 11.6 100 Shell Creek 9580 16.2 14.0 116 13.2 12.8 103 Timber Creek 7950 5.3 4.5 118 8.5 6.8 125 ----- ----- Basin Index (%) 111 113 SHOSHONE RIVER Blackwater 9780 36.3 21.7 167 40.2 19.2 209 Evening Star 9200 36.8 23.8 155 43.2 25.7 168 Marquette 8760 8.8 -M * 13.2 -M * Sylvan Road 7120 10.2 11.0 93 29.7 15.8 188 Younts Peak 8350 24.8 13.9 178 30.2 14.9 203 ----- ----- Basin Index (%) 154 190 POWDER RIVER Bear Trap Meadow 8200 4.4 5.1 86 7.3 7.7 95 Cloud Peak Reservoir 9860 14.0 13.7 102 15.5 12.2 127 Grave Springs 8550 6.3 8.6 73 6.8 9.7 70 Hansen Sawmill 8360 9.5 6.2 153 11.9 7.9 151 Middle Powder 7760 6.8 10.8 63 6.7 10.8 62 Powder River Pass 9480 7.9 9.8 81 11.6 11.6 100 Soldier Park 8720 13.2 -M * 11.8 -M * ----- ----- Basin Index (%) 90 100 TONGUE RIVER Big Goose 7990 10.1 8.4 120 11.8 10.1 117 Bone Springs Div 9350 18.0 15.1 119 16.6 14.4 115 Burgess Junction 7880 9.5 10.9 87 10.5 11.4 92 Dome Lake 8880 14.5 11.2 129 14.5 12.5 116 Little Goose 8870 11.2 -M * 14.4 -M * Sucker Creek 8880 11.4 11.2 102 11.4 13.2 86 Tie Creek 6870 3.0 5.4 56 11.5 10.5 110 ----- ----- Basin Index (%) 107 106 BELLE FOURCHE Cole Canyon 5910 .0 5.7 0 6.9 8.4 82 ----- ----- Basin Index (%) 0 82 CHEYENNE RIVER BASIN Blind Park 6890 .0 7.2 0 8.3 11.0 75 North Rapid Creek 6130 1.5 6.7 22 6.9 9.0 77 ----- ----- Basin Index (%) 11 76 UPPER N. PLATTE Arapaho Ridge 10960 24.0 19.3 124 25.0 20.8 120 Blackhall Mtn 9820 35.3 -M * 36.4 -M * Columbine 9160 19.5 22.3 87 26.5 24.0 110 Divide Peak 8880 15.4 19.1 81 21.4 20.1 106 Joe Wright 10120 17.7 19.9 89 27.0 24.2 112 Laprele Creek 8375 10.2 9.4 109 11.1 11.5 97 Med Bow 10500 36.8 -M * 33.6 -M * North French Creek 10130 23.4 27.3 86 26.1 25.2 104 Never Summer 10280 21.1 19.1 110 18.1 -M * Old Battle 10000 35.7 28.6 125 36.8 32.9 112 Rawah 9020 9.6 10.1 95 16.1 13.1 123 Sage Creek Basin 7850 7.5 12.5 60 15.5 13.6 114 Sand Lake 10050 29.5 26.7 110 26.4 23.1 114 South Brush Creek 8440 5.8 12.1 48 11.8 14.2 83 Tower 10500 39.2 42.7 92 42.1 37.5 112 Webber Springs 9250 25.7 22.6 114 32.3 25.1 129 Willow Creek Pass 9540 17.0 11.6 147 17.8 12.5 142 Zirkel 9340 33.3 26.2 127 40.9 26.8 153 ----- ----- Basin Index (%) 102 116 SWEETWATER Deer Park 9700 29.4 14.3 206 34.5 18.3 189 Larsen Creek 9000 16.8 11.9 141 22.1 -M * South Pass 9040 28.0 14.6 192 25.2 16.3 155 ----- ----- Basin Index (%) 182 173 LOWER N. PLATTE Casper Mtn. 7900 9.6 12.9 74 10.9 13.7 80 Laprele Creek 8375 10.2 9.4 109 11.1 11.5 97 Reno Hill 8400 11.3 12.8 88 12.7 14.1 90 Windy Peak 7900 8.1 7.7 105 10.7 9.7 110 ----- ----- Basin Index (%) 92 93 LARAMIE RIVER Brooklyn Lake 10240 22.5 19.1 118 22.0 19.6 112 Cinnabar Park 9574 17.0 19.6 87 21.4 22.7 94 Crow Creek 8330 .5 6.8 7 8.8 9.9 89 Deadman Hill 10220 20.1 15.1 133 19.4 16.0 121 Rawah 9020 9.6 10.1 95 16.1 13.1 123 Roach 9700 16.2 15.0 108 20.2 17.9 113 ----- ----- Basin Index (%) 100 109 S. PLATTE Black Mountain 8920 10.4 -M * 12.1 -M * Crow Creek 8330 .5 6.8 7 8.8 9.9 89 Deadman Hill 10220 20.1 15.1 133 19.4 16.0 121 ----- ----- Basin Index (%) 94 109 LITTLE SNAKE RIVER Battle Mountain 7440 3.2 10.9 29 16.1 14.2 113 Divide Peak 8880 15.4 19.1 81 21.4 20.1 106 Elk River 8700 13.3 18.0 74 19.4 18.9 103 Little Snake River 8915 26.6 22.3 119 37.5 27.8 135 Old Battle 10000 35.7 28.6 125 36.8 32.9 112 Sage Creek Basin 7850 7.5 12.5 60 15.5 13.6 114 Sandstone RS 8150 8.1 13.1 62 15.7 17.4 90 Whiskey Park 8950 25.3 25.0 101 29.0 26.4 110 ----- ----- Basin Index (%) 90 112 UPPER GREEN RIVER Big Sandy Opening 9080 20.3 12.2 166 22.6 12.5 181 Blind Bull Sum 8650 41.7 21.8 191 -M 18.5 * East Rim Divide 7930 17.4 9.8 178 20.5 11.2 183 Elkhart Park G.S. 9400 18.7 11.7 160 23.5 12.5 188 Gros Ventre Summit 8750 -M 12.6 * -M 12.2 * Gunsight Pass 9820 21.2 13.1 162 23.1 12.9 179 Kendall R.S. 7740 20.6 11.3 182 28.2 13.6 207 Loomis Park 8240 26.9 14.4 187 31.5 16.4 192 New Fork Lake 8340 16.1 10.2 158 17.2 10.2 169 Pocket Creek 9360 -M -M * -M -M * Snider Basin 8060 18.2 11.8 154 26.1 13.4 195 Spring Creek Divide 9000 38.6 22.4 172 38.5 22.6 170 Triple Peak 8500 35.1 21.1 166 39.2 24.0 163 ----- ----- Basin Index (%) 172 181 LOWER GREEN RIVER Blacks Fork Jct 8869 8.7 -M * 15.1 -M * Buck Pasture 9632 17.0 -M * 22.5 -M * EF Blacks Fork GS 9360 14.6 -M * 16.1 -M * Hams Fork 7840 13.9 10.6 131 19.6 10.8 181 Hewinta 9500 7.9 10.4 76 16.0 13.1 122 Hickerson Park 9122 8.5 7.2 118 11.5 9.4 122 Hole-in-Rock 9168 6.4 7.0 91 12.1 8.9 136 Indian Creek 9425 38.8 23.2 167 -M 21.3 * Kelley R.S. 8180 24.5 14.7 167 29.3 17.2 170 Spirit Lk 10235 15.0 -M * 17.4 -M * Steel Creek Park 10158 17.5 14.6 120 19.6 15.3 128 ----- ----- Basin Index (%) 134 145 UPPER BEAR RIVER Bear River RS 8777 9.6 -M * 17.7 -M * Bug Lake 7987 30.3 17.9 169 32.1 18.3 175 Burts Miller Ranch 8000 3.1 -M * 9.3 -M * Chalk Creek #1 9171 32.2 22.7 142 34.6 23.6 147 Hayden Fork 9130 19.5 14.8 132 28.6 19.7 145 Kelley R.S. 8180 24.5 14.7 167 29.3 17.2 170 Lily Lake 9133 13.3 11.9 112 19.2 16.0 120 Monte Cristo 8932 34.0 25.6 133 37.0 24.5 151 Salt River Summit 7760 19.6 12.7 154 27.8 15.8 176 ----- ----- Basin Index (%) 144 154 ----------------------------------------------------------------------------- -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.