Supercell over Laramie
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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 THURSDAY: JANUARY 16 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 18.5 10.2 181 23.1 13.7 169 COTTONWOOD CREEK 7600 20.3 11.6 175 22.4 14.5 154 GRANITE CREEK 6770 20.3 9.9 205 22.5 14.4 156 GRASSY LAKE 7265 -M 18.8 * -M 22.2 * GROS VENTRE SUMMIT 8775 15.2 8.8 173 13.0 9.7 134 LEWIS LAKE DIVIDE 7860 35.7 18.5 193 35.6 22.6 158 PHILLIPS BENCH 8200 27.4 15.5 177 27.7 17.7 156 SALT RIVER SUMMIT 7600 15.1 7.1 213 16.6 10.3 161 SNAKE RIVER STATION 6920 16.4 10.1 162 -M 15.6 * SPRING CREEK DIVIDE 9000 25.4 14.9 170 20.0 16.3 123 THUMB DIVIDE 7980 22.8 9.4 243 21.0 12.8 164 TOGWOTEE PASS 9580 23.1 14.1 164 21.6 16.8 129 TWO OCEAN PLATEAU 9360 30.7 15.5 198 28.8 18.9 152 WILLOW CREEK 8450 29.2 17.0 172 29.3 19.1 153 ----- ----- Basin wide percent of average 185 151 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 24.3 13.8 176 19.9 10.2 195 BLACK BEAR 7950 45.9 20.1 228 -M 21.7 * CANYON 7940 16.3 6.9 236 17.3 8.4 206 FISHER CREEK 9100 39.7 20.1 198 35.3 20.2 175 MADISON PLATEAU 7750 -M 13.2 * -M 14.4 * NORTHEAST ENTRANCE 7350 7.8 5.3 147 13.9 7.0 199 PARKER PEAK 9400 21.6 12.5 173 15.0 9.0 167 SYLVAN LAKE 8420 21.7 12.9 168 19.9 11.4 175 THUMB DIVIDE 7980 22.8 9.4 243 21.0 12.8 164 TWO OCEAN PLATEAU 9360 30.7 15.5 198 28.8 18.9 152 WHISKEY CREEK 6800 16.3 9.1 179 23.7 12.0 197 WHITE MILL 8700 26.6 14.3 186 -M 15.9 * WOLVERINE 7650 10.0 6.6 152 11.0 7.6 145 ----- ----- Basin wide percent of average 194 175 WIND RIVER BURROUGHS CREEK 8750 17.0 8.8 193 16.8 9.6 175 CHRISTINA LAKE 9980 14.5 9.0 161 15.6 9.6 163 COLD SPRINGS 9630 6.8 5.1 133 7.8 6.2 126 HOBBS PARK 10100 11.8 9.0 131 9.5 8.0 119 LITTLE WARM 9620 12.1 6.2 195 13.1 7.7 170 SOUTH PASS 9040 19.2 9.9 194 18.3 9.4 195 ST. LAWRENCE ALT 8620 5.5 4.0 138 6.6 5.6 118 TOGWOTEE PASS 9580 23.1 14.1 164 21.6 16.8 129 TOWNSEND CREEK 8700 7.0 5.4 130 8.3 6.8 122 ----- ----- Basin wide percent of average 164 148 BIGHORN BASIN BALD MTN. 9375 13.9 12.1 115 11.4 10.2 112 BEAR TRAP MEADOW 7900 4.6 4.2 110 4.8 4.8 100 BLACKWATER 9780 25.3 12.0 211 18.6 10.4 179 BONE SPRINGS DIV 9350 11.3 9.3 122 9.9 8.1 122 EVENING STAR 9200 28.1 15.5 181 -M 13.0 * GRAVE SPRINGS 8550 8.3 -M * 8.1 5.7 142 KIRWIN 9550 10.6 5.9 180 11.9 6.0 198 LOST CREEK 8080 10.1 7.0 144 10.8 6.7 161 MARQUETTE 8760 6.9 4.5 153 7.4 5.2 142 MIDDLE POWDER 7760 10.7 6.9 155 9.8 6.9 142 OWL CREEK 8975 4.9 2.4 204 4.2 3.3 127 POWDER RIVER PASS 9480 7.5 6.1 123 8.1 6.7 121 SHELL CREEK 9580 10.9 9.0 121 8.8 7.6 116 SYLVAN LAKE 8420 21.7 12.9 168 19.9 11.4 175 SYLVAN ROAD 8120 12.9 7.1 182 19.5 9.5 205 TIMBER CREEK 7950 4.0 3.0 133 4.6 3.7 124 YOUNTS PEAK 8350 -M 10.6 * -M 9.6 * ----- ----- Basin wide percent of average 156 149 SHOSHONE RIVER BLACKWATER 9780 25.3 12.0 211 18.6 10.4 179 EVENING STAR 9200 28.1 15.5 181 -M 13.0 * KIRWIN 9550 10.6 5.9 180 11.9 6.0 198 MARQUETTE 8760 6.9 4.5 153 7.4 5.2 142 SYLVAN LAKE 8420 21.7 12.9 168 19.9 11.4 175 SYLVAN ROAD 8120 12.9 7.1 182 19.5 9.5 205 YOUNTS PEAK 8350 -M 10.6 * -M 9.6 * ----- ----- Basin wide percent of average 182 182 POWDER-TONGUE BEAR TRAP MEADOW 7900 4.6 4.2 110 4.8 4.8 100 BONE SPRINGS DIV 9350 11.3 9.3 122 9.9 8.1 122 BURGESS JUNCTION 7880 8.0 6.6 121 8.1 6.3 129 CLOUD PEAK RESERVOIR 9860 12.0 6.8 176 9.9 7.1 139 DOME LAKE 8880 7.7 7.7 100 8.8 7.8 113 GRAVE SPRINGS 8550 8.3 -M * 8.1 5.7 142 HANSEN SAWMILL 8760 4.4 3.9 113 5.3 4.4 120 LOST CREEK 8080 10.1 7.0 144 10.8 6.7 161 MIDDLE POWDER 7760 10.7 6.9 155 9.8 6.9 142 POWDER RIVER PASS 9480 7.5 6.1 123 8.1 6.7 121 SUCKER CREEK 8880 9.4 6.3 149 9.1 7.5 121 TIE CREEK 6870 5.3 -M * 7.6 6.1 125 ----- ----- Basin wide percent of average 132 128 BELLE FOURCHE BLIND PARK 6890 7.5 6.3 119 11.7 5.4 217 NORTH RAPID CREEK 6130 6.9 -M * 10.0 -M * WARREN PEAK 6520 12.9 6.3 205 -M 4.5 * ----- ----- Basin wide percent of average 162 217* UPPER N. PLATTE RIVER COLUMBINE 9400 16.8 13.0 129 17.4 13.5 129 DIVIDE PEAK 8800 16.9 11.5 147 17.0 13.9 122 ELK RIVER 8700 19.2 10.3 186 18.1 10.6 171 JOE WRIGHT 10120 17.0 12.2 139 21.0 14.0 150 NORTH FRENCH CREEK 10100 23.0 13.7 168 21.0 12.9 163 OLD BATTLE 10000 28.8 17.6 164 26.8 16.7 160 SOUTH BRUSH CREEK 8400 -M 6.0 * 12.6 10.3 122 TOWER 10500 40.5 24.9 163 29.2 20.3 144 WEBBER SPRINGS 9200 21.5 14.9 144 25.0 14.8 169 WILLOW CREEK PASS 9540 13.0 6.5 200 9.9 6.9 143 ----- ----- Basin wide percent of average 158 148 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 22.9 14.1 162 -M 10.3 * CASPER MTN. 7900 12.9 8.3 155 12.7 7.8 163 CHRISTINA LAKE 9980 14.5 9.0 161 15.6 9.6 163 DEADMAN HILL 10220 10.5 9.6 109 11.9 8.8 135 LAPRELE CREEK 8320 9.8 5.7 172 9.5 6.3 151 RENO HILL 8400 11.4 7.4 154 12.4 10.5 118 ROACH 9700 15.5 9.4 165 15.7 12.1 130 SAND LAKE 10080 24.3 18.2 134 19.1 11.1 172 SOUTH PASS 9040 19.2 9.9 194 18.3 9.4 195 WINDY PEAK 7840 6.6 3.7 178 7.6 5.0 152 ----- ----- Basin wide percent of average 155 152 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.3 6.2 182 13.0 9.1 143 DIVIDE PEAK 8800 16.9 11.5 147 17.0 13.9 122 OLD BATTLE 10000 28.8 17.6 164 26.8 16.7 160 SANDSTONE RS 8150 13.9 7.8 178 16.2 11.1 146 WHISKEY PARK 8950 24.2 15.7 154 20.1 15.8 127 ----- ----- Basin wide percent of average 162 140 UPPER GREEN RIVER BIG SANDY OPENING 9100 13.8 7.9 175 13.0 10.0 130 BLIND BULL SUM 8650 28.0 16.0 175 20.5 13.8 149 EAST RIM DIVIDE 7930 11.5 7.5 153 12.4 9.3 133 ELKHART PARK G.S. 9400 13.8 7.5 184 13.6 9.8 139 GROS VENTRE SUMMIT 8775 15.2 8.8 173 13.0 9.7 134 KENDALL R.S. 7740 16.9 8.2 206 17.5 9.5 184 LOOMIS PARK 8240 15.8 9.4 168 17.6 11.6 152 NEW FORK LAKE 8340 11.1 6.3 176 10.1 8.9 113 SNIDER BASIN 8250 15.7 8.0 196 14.0 9.3 151 SPRING CREEK DIVIDE 9000 25.4 14.9 170 20.0 16.3 123 TRIPLE PEAK 8500 24.7 14.2 174 25.8 19.0 136 ----- ----- Basin wide percent of average 177 140 LOWER GREEN RIVER HAMS FORK 7840 12.2 6.4 191 10.9 8.2 133 HEWINTA 9500 8.9 5.2 171 9.7 7.4 131 HICKERSON PARK 9150 5.2 3.0 173 6.5 5.4 120 HOLE-IN-ROCK 9150 5.9 2.7 219 6.7 5.4 124 INDIAN CREEK 9425 27.7 15.0 185 19.6 15.4 127 KELLEY R.S. 8180 17.8 8.7 205 20.6 11.5 179 STEEL CREEK PARK 10100 10.9 8.6 127 10.7 7.7 139 ----- ----- Basin wide percent of average 179 139 UPPER BEAR RIVER BUG LAKE 7950 21.7 11.0 197 21.6 11.1 195 HAYDEN FORK 9400 13.7 8.8 156 18.0 10.3 175 KELLEY R.S. 8180 17.8 8.7 205 20.6 11.5 179 LILY LAKE 9050 12.7 7.3 174 13.7 8.3 165 MONTE CRISTO 8960 28.2 14.5 194 23.3 14.3 163 SALT RIVER SUMMIT 7600 15.1 7.1 213 16.6 10.3 161 TRIAL LAKE 9960 24.4 13.7 178 -M 13.0 * ----- ----- Basin wide percent of average 188 173 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. If the Basin wide percent of average 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 Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average 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. Reference period for average conditions is 1961-90. Provisional data, subject to revision. ---------------------------------------------------------------------------- -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.