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 WEDNESDAY: JANUARY 15 , 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 10.1 183 23.1 13.5 171 COTTONWOOD CREEK 7600 20.3 11.5 177 22.4 14.3 157 GRANITE CREEK 6770 20.4 9.8 208 22.5 14.2 158 GRASSY LAKE 7265 -M 18.5 * -M 21.9 * GROS VENTRE SUMMIT 8775 15.3 8.7 176 13.3 9.6 139 LEWIS LAKE DIVIDE 7860 35.6 18.2 196 35.6 22.3 160 PHILLIPS BENCH 8200 28.0 15.3 183 27.7 17.5 158 SALT RIVER SUMMIT 7600 15.1 7.0 216 16.6 10.2 163 SNAKE RIVER STATION 6920 16.5 10.0 165 -M 15.4 * SPRING CREEK DIVIDE 9000 25.5 14.7 173 20.0 16.1 124 THUMB DIVIDE 7980 22.7 9.3 244 21.0 12.7 165 TOGWOTEE PASS 9580 23.7 13.9 171 21.6 16.6 130 TWO OCEAN PLATEAU 9360 30.8 15.3 201 28.8 18.7 154 WILLOW CREEK 8450 29.2 16.8 174 28.9 18.9 153 ----- ----- Basin wide percent of average 188 152 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 24.4 13.7 178 20.1 10.1 199 BLACK BEAR 7950 46.0 19.8 232 -M 21.4 * CANYON 7940 16.3 6.8 240 17.3 8.3 208 FISHER CREEK 9100 39.7 19.8 201 35.3 19.9 177 MADISON PLATEAU 7750 -M 13.0 * -M 14.2 * NORTHEAST ENTRANCE 7350 7.8 5.2 150 13.9 6.9 201 PARKER PEAK 9400 21.6 12.4 174 15.0 8.9 169 SYLVAN LAKE 8420 21.7 12.8 170 20.0 11.3 177 THUMB DIVIDE 7980 22.7 9.3 244 21.0 12.7 165 TWO OCEAN PLATEAU 9360 30.8 15.3 201 28.8 18.7 154 WHISKEY CREEK 6800 16.5 9.0 183 23.6 11.8 200 WHITE MILL 8700 26.6 14.1 189 -M 15.7 * WOLVERINE 7650 10.3 6.5 158 11.4 7.5 152 ----- ----- Basin wide percent of average 197 178 WIND RIVER BURROUGHS CREEK 8750 17.1 8.7 197 16.9 9.5 178 CHRISTINA LAKE 9980 14.5 8.9 163 15.6 9.5 164 COLD SPRINGS 9630 6.9 5.1 135 7.8 6.1 128 HOBBS PARK 10100 11.8 8.9 133 9.4 7.9 119 LITTLE WARM 9620 12.3 6.1 202 13.5 7.6 178 SOUTH PASS 9040 19.1 9.8 195 18.3 9.3 197 ST. LAWRENCE ALT 8620 5.5 4.0 138 6.6 5.6 118 TOGWOTEE PASS 9580 23.7 13.9 171 21.6 16.6 130 TOWNSEND CREEK 8700 6.9 5.3 130 8.2 6.7 122 ----- ----- Basin wide percent of average 167 150 BIGHORN BASIN BALD MTN. 9375 13.8 12.0 115 11.4 10.1 113 BEAR TRAP MEADOW 7900 4.9 4.2 117 5.3 4.8 110 BLACKWATER 9780 25.4 11.9 213 18.6 10.3 181 BONE SPRINGS DIV 9350 11.5 9.2 125 10.0 8.0 125 EVENING STAR 9200 28.0 15.4 182 -M 12.8 * GRAVE SPRINGS 8550 8.2 -M * 8.0 5.7 140 KIRWIN 9550 10.8 5.9 183 11.9 5.9 202 LOST CREEK 8080 9.9 6.9 143 10.8 6.7 161 MARQUETTE 8760 6.9 4.5 153 7.4 5.2 142 MIDDLE POWDER 7760 10.7 6.8 157 9.8 6.8 144 OWL CREEK 8975 5.0 2.4 208 4.3 3.3 130 POWDER RIVER PASS 9480 7.4 6.0 123 8.1 6.6 123 SHELL CREEK 9580 10.9 8.9 122 8.8 7.5 117 SYLVAN LAKE 8420 21.7 12.8 170 20.0 11.3 177 SYLVAN ROAD 8120 -M 7.0 * -M 9.4 * TIMBER CREEK 7950 4.1 3.0 137 4.6 3.7 124 YOUNTS PEAK 8350 15.5 10.5 148 19.4 9.5 204 ----- ----- Basin wide percent of average 155 150 SHOSHONE RIVER BLACKWATER 9780 25.4 11.9 213 18.6 10.3 181 EVENING STAR 9200 28.0 15.4 182 -M 12.8 * KIRWIN 9550 10.8 5.9 183 11.9 5.9 202 MARQUETTE 8760 6.9 4.5 153 7.4 5.2 142 SYLVAN LAKE 8420 21.7 12.8 170 20.0 11.3 177 SYLVAN ROAD 8120 -M 7.0 * -M 9.4 * YOUNTS PEAK 8350 15.5 10.5 148 19.4 9.5 204 ----- ----- Basin wide percent of average 178 183 POWDER-TONGUE BEAR TRAP MEADOW 7900 4.9 4.2 117 5.3 4.8 110 BONE SPRINGS DIV 9350 11.5 9.2 125 10.0 8.0 125 BURGESS JUNCTION 7880 8.1 6.5 125 8.3 6.3 132 CLOUD PEAK RESERVOIR 9860 11.9 6.7 178 9.9 7.0 141 DOME LAKE 8880 7.7 7.6 101 8.8 7.7 114 GRAVE SPRINGS 8550 8.2 -M * 8.0 5.7 140 HANSEN SAWMILL 8760 4.5 3.9 115 5.3 4.4 120 LOST CREEK 8080 9.9 6.9 143 10.8 6.7 161 MIDDLE POWDER 7760 10.7 6.8 157 9.8 6.8 144 POWDER RIVER PASS 9480 7.4 6.0 123 8.1 6.6 123 SUCKER CREEK 8880 9.4 6.2 152 9.2 7.4 124 TIE CREEK 6870 5.4 -M * 7.6 6.0 127 ----- ----- Basin wide percent of average 134 131 BELLE FOURCHE BLIND PARK 6890 7.5 6.2 121 11.8 5.4 219 NORTH RAPID CREEK 6130 7.0 -M * 10.0 -M * WARREN PEAK 6520 12.8 6.2 206 -M 4.5 * ----- ----- Basin wide percent of average 164 219* UPPER N. PLATTE RIVER COLUMBINE 9400 17.2 12.8 134 17.2 13.3 129 DIVIDE PEAK 8800 16.9 11.4 148 16.9 13.8 122 ELK RIVER 8700 19.1 10.2 187 18.1 10.5 172 JOE WRIGHT 10120 16.9 12.1 140 20.8 13.8 151 NORTH FRENCH CREEK 10100 23.0 13.6 169 20.9 12.8 163 OLD BATTLE 10000 28.9 17.4 166 26.9 16.5 163 SOUTH BRUSH CREEK 8400 -M 5.9 * 12.4 10.3 120 TOWER 10500 40.2 24.6 163 29.1 20.0 146 WEBBER SPRINGS 9200 21.5 14.7 146 25.0 14.7 170 WILLOW CREEK PASS 9540 13.0 6.5 200 10.3 6.9 149 ----- ----- Basin wide percent of average 160 149 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 22.8 14.0 163 -M 10.2 * CASPER MTN. 7900 12.9 8.2 157 12.7 7.8 163 CHRISTINA LAKE 9980 14.5 8.9 163 15.6 9.5 164 DEADMAN HILL 10220 10.5 9.5 111 11.9 8.7 137 LAPRELE CREEK 8320 10.1 5.6 180 9.5 6.2 153 RENO HILL 8400 12.5 7.3 171 12.5 10.5 119 ROACH 9700 15.5 9.3 167 15.7 12.0 131 SAND LAKE 10080 24.1 18.0 134 19.0 11.0 173 SOUTH PASS 9040 19.1 9.8 195 18.3 9.3 197 WINDY PEAK 7840 6.7 3.7 181 8.0 4.9 163 ----- ----- Basin wide percent of average 158 154 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.5 6.1 189 12.9 9.0 143 DIVIDE PEAK 8800 16.9 11.4 148 16.9 13.8 122 OLD BATTLE 10000 28.9 17.4 166 26.9 16.5 163 SANDSTONE RS 8150 13.7 7.7 178 16.1 10.9 148 WHISKEY PARK 8950 24.3 15.5 157 20.4 15.5 132 ----- ----- Basin wide percent of average 164 142 UPPER GREEN RIVER BIG SANDY OPENING 9100 13.8 7.8 177 13.0 9.9 131 BLIND BULL SUM 8650 28.0 15.8 177 20.5 13.6 151 EAST RIM DIVIDE 7930 11.5 7.4 155 12.4 9.2 135 ELKHART PARK G.S. 9400 13.9 7.4 188 13.6 9.7 140 GROS VENTRE SUMMIT 8775 15.3 8.7 176 13.3 9.6 139 KENDALL R.S. 7740 17.1 8.1 211 17.6 9.4 187 LOOMIS PARK 8240 15.8 9.3 170 17.6 11.4 154 NEW FORK LAKE 8340 11.1 6.2 179 10.2 8.8 116 SNIDER BASIN 8250 15.8 7.9 200 14.1 9.2 153 SPRING CREEK DIVIDE 9000 25.5 14.7 173 20.0 16.1 124 TRIPLE PEAK 8500 24.8 14.0 177 26.0 18.8 138 ----- ----- Basin wide percent of average 179 142 LOWER GREEN RIVER HAMS FORK 7840 12.3 6.3 195 11.0 8.1 136 HEWINTA 9500 8.9 5.1 175 9.6 7.3 132 HICKERSON PARK 9150 5.1 3.0 170 6.5 5.3 123 HOLE-IN-ROCK 9150 5.9 2.7 219 6.7 5.3 126 INDIAN CREEK 9425 27.6 14.8 186 19.6 15.2 129 KELLEY R.S. 8180 17.8 8.6 207 20.7 11.3 183 STEEL CREEK PARK 10100 10.9 8.5 128 10.7 7.6 141 ----- ----- Basin wide percent of average 181 141 UPPER BEAR RIVER BUG LAKE 7950 21.7 10.9 199 21.5 11.0 195 HAYDEN FORK 9400 13.7 8.7 157 18.0 10.2 176 KELLEY R.S. 8180 17.8 8.6 207 20.7 11.3 183 LILY LAKE 9050 12.7 7.2 176 13.6 8.2 166 MONTE CRISTO 8960 28.1 14.3 197 23.3 14.2 164 SALT RIVER SUMMIT 7600 15.1 7.0 216 16.6 10.2 163 TRIAL LAKE 9960 24.4 13.6 179 -M 12.9 * ----- ----- Basin wide percent of average 190 175 ----------------------------------------------------------------------------- -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.