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: FEBRUARY 5 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 24.3 13.0 187 27.3 16.8 162 COTTONWOOD CREEK 7600 23.7 14.7 161 25.9 18.0 144 GRANITE CREEK 6770 25.0 12.8 195 22.4 17.8 126 GRASSY LAKE 7265 37.9 24.9 152 38.0 27.3 139 GROS VENTRE SUMMIT 8775 18.0 10.9 165 13.2 12.0 110 LEWIS LAKE DIVIDE 7860 45.6 23.8 192 38.3 27.8 138 PHILLIPS BENCH 8200 33.2 20.1 165 27.7 22.0 126 SALT RIVER SUMMIT 7600 18.5 9.5 195 19.9 12.7 157 SNAKE RIVER STATION 6920 23.1 13.0 178 30.3 19.2 158 SPRING CREEK DIVIDE 9000 30.4 18.9 161 20.1 20.1 100 THUMB DIVIDE 7980 26.6 11.8 225 21.0 15.8 133 TOGWOTEE PASS 9580 27.7 17.5 158 21.7 20.8 104 TWO OCEAN PLATEAU 9360 36.2 18.9 192 29.0 23.2 125 WILLOW CREEK 8450 33.0 21.8 151 34.9 23.6 148 ----- ----- Basin wide percent of average 174 133 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 28.6 16.6 172 -M 12.5 * BLACK BEAR 7950 47.8 25.6 187 -M 27.5 * CANYON 7940 19.5 8.6 227 22.4 10.2 220 FISHER CREEK 9100 44.9 25.1 179 -M 25.5 * MADISON PLATEAU 7750 32.3 16.8 192 30.8 17.9 172 NORTHEAST ENTRANCE 7350 10.1 6.7 151 16.4 8.6 191 PARKER PEAK 9400 25.3 14.8 171 -M 10.9 * SYLVAN LAKE 8420 25.6 15.4 166 -M 13.6 * THUMB DIVIDE 7980 26.6 11.8 225 21.0 15.8 133 TWO OCEAN PLATEAU 9360 36.2 18.9 192 29.0 23.2 125 WHISKEY CREEK 6800 20.1 11.7 172 23.5 14.9 158 WHITE MILL 8700 30.9 17.5 177 -M 19.9 * WOLVERINE 7650 12.3 8.2 150 12.5 9.1 137 ----- ----- Basin wide percent of average 182 156 WIND RIVER BURROUGHS CREEK 8750 -M 10.8 * -M 11.7 * CHRISTINA LAKE 9980 17.6 10.6 166 19.5 11.2 174 COLD SPRINGS 9630 8.4 6.0 140 9.5 7.1 134 HOBBS PARK 10100 14.1 10.3 137 10.9 9.5 115 LITTLE WARM 9620 14.0 7.5 187 15.2 9.2 165 SOUTH PASS 9040 22.8 11.7 195 21.5 11.2 192 ST. LAWRENCE ALT 8620 -M 5.0 * 8.8 6.5 135 TOGWOTEE PASS 9580 27.7 17.5 158 21.7 20.8 104 TOWNSEND CREEK 8700 8.3 6.5 128 9.6 8.1 119 ----- ----- Basin wide percent of average 161 140 BIGHORN BASIN BALD MTN. 9375 15.8 14.3 110 13.1 12.0 109 BEAR TRAP MEADOW 7900 5.7 5.0 114 5.9 5.5 107 BLACKWATER 9780 30.3 14.6 208 22.8 12.6 181 BONE SPRINGS DIV 9350 13.4 11.0 122 12.3 9.7 127 EVENING STAR 9200 33.6 18.5 182 -M 15.8 * GRAVE SPRINGS 8550 9.1 -M * 8.8 6.5 135 KIRWIN 9550 12.4 6.8 182 13.7 7.1 193 LOST CREEK 8080 11.1 8.4 132 11.8 7.9 149 MARQUETTE 8760 8.2 5.3 155 8.6 6.0 143 MIDDLE POWDER 7760 -M 8.1 * 10.8 8.0 135 OWL CREEK 8975 6.0 2.9 207 5.1 4.0 128 POWDER RIVER PASS 9480 10.3 7.3 141 10.0 8.0 125 SHELL CREEK 9580 13.2 10.6 125 10.9 9.1 120 SYLVAN LAKE 8420 25.6 15.4 166 -M 13.6 * SYLVAN ROAD 8120 17.0 8.9 191 22.6 11.5 197 TIMBER CREEK 7950 -M 3.8 * 6.1 4.3 142 YOUNTS PEAK 8350 19.0 12.6 151 -M 11.7 * ----- ----- Basin wide percent of average 156 145 SHOSHONE RIVER BLACKWATER 9780 30.3 14.6 208 22.8 12.6 181 EVENING STAR 9200 33.6 18.5 182 -M 15.8 * KIRWIN 9550 12.4 6.8 182 13.7 7.1 193 MARQUETTE 8760 8.2 5.3 155 8.6 6.0 143 SYLVAN LAKE 8420 25.6 15.4 166 -M 13.6 * SYLVAN ROAD 8120 17.0 8.9 191 22.6 11.5 197 YOUNTS PEAK 8350 19.0 12.6 151 -M 11.7 * ----- ----- Basin wide percent of average 178 182 POWDER-TONGUE BEAR TRAP MEADOW 7900 5.7 5.0 114 5.9 5.5 107 BONE SPRINGS DIV 9350 13.4 11.0 122 12.3 9.7 127 BURGESS JUNCTION 7880 9.1 7.9 115 9.2 7.3 126 CLOUD PEAK RESERVOIR 9860 13.4 8.5 158 11.0 8.4 131 DOME LAKE 8880 9.3 9.3 100 10.6 8.9 119 GRAVE SPRINGS 8550 9.1 -M * 8.8 6.5 135 HANSEN SAWMILL 8760 5.3 4.8 110 5.8 5.1 114 LOST CREEK 8080 11.1 8.4 132 11.8 7.9 149 MIDDLE POWDER 7760 -M 8.1 * 10.8 8.0 135 POWDER RIVER PASS 9480 10.3 7.3 141 10.0 8.0 125 SUCKER CREEK 8880 10.7 7.8 137 10.4 8.9 117 TIE CREEK 6870 5.8 -M * 8.4 7.0 120 ----- ----- Basin wide percent of average 126 126 BELLE FOURCHE BLIND PARK 6890 8.5 7.5 113 12.7 6.3 202 NORTH RAPID CREEK 6130 9.5 -M * 11.4 -M * WARREN PEAK 6520 14.2 7.5 189 -M 5.3 * ----- ----- Basin wide percent of average 151 202* UPPER N. PLATTE RIVER COLUMBINE 9400 12.0 16.5 73 26.0 17.0 153 DIVIDE PEAK 8800 19.5 13.8 141 19.4 16.5 118 ELK RIVER 8700 22.6 13.2 171 20.7 12.9 160 JOE WRIGHT 10120 19.2 14.5 132 23.6 17.0 139 NORTH FRENCH CREEK 10100 26.9 16.6 162 24.5 15.6 157 OLD BATTLE 10000 33.9 21.3 159 28.5 20.1 142 SOUTH BRUSH CREEK 8400 13.1 7.4 177 14.2 11.0 129 TOWER 10500 46.9 31.1 151 34.7 24.9 139 WEBBER SPRINGS 9200 25.7 18.1 142 29.4 17.2 171 WILLOW CREEK PASS 9540 14.8 7.6 195 11.7 8.1 144 ----- ----- Basin wide percent of average 147 145 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 27.0 16.5 164 21.5 12.6 171 CASPER MTN. 7900 16.4 9.8 167 15.4 8.9 173 CHRISTINA LAKE 9980 17.6 10.6 166 19.5 11.2 174 DEADMAN HILL 10220 12.2 11.5 106 13.7 10.7 128 LAPRELE CREEK 8320 12.4 6.9 180 11.7 7.8 150 RENO HILL 8400 17.8 8.6 207 15.1 11.9 127 ROACH 9700 17.2 11.4 151 17.8 14.6 122 SAND LAKE 10080 28.9 22.0 131 22.8 13.5 169 SOUTH PASS 9040 22.8 11.7 195 21.5 11.2 192 WINDY PEAK 7840 8.3 4.7 177 9.3 6.1 152 ----- ----- Basin wide percent of average 159 155 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 13.9 7.6 183 15.0 11.1 135 DIVIDE PEAK 8800 19.5 13.8 141 19.4 16.5 118 OLD BATTLE 10000 33.9 21.3 159 28.5 20.1 142 SANDSTONE RS 8150 16.7 9.7 172 18.5 13.6 136 WHISKEY PARK 8950 30.6 19.1 160 27.1 20.4 133 ----- ----- Basin wide percent of average 160 133 UPPER GREEN RIVER BIG SANDY OPENING 9100 16.0 9.9 162 14.6 12.3 119 BLIND BULL SUM 8650 34.0 19.8 172 20.3 17.4 117 EAST RIM DIVIDE 7930 14.0 9.7 144 14.6 11.5 127 ELKHART PARK G.S. 9400 15.5 9.3 167 15.8 12.1 131 GROS VENTRE SUMMIT 8775 18.0 10.9 165 13.2 12.0 110 KENDALL R.S. 7740 20.0 10.3 194 17.5 11.7 150 LOOMIS PARK 8240 16.6 12.1 137 18.5 14.2 130 NEW FORK LAKE 8340 13.0 8.2 159 11.6 10.9 106 SNIDER BASIN 8250 19.9 10.3 193 16.7 11.5 145 SPRING CREEK DIVIDE 9000 30.4 18.9 161 20.1 20.1 100 TRIPLE PEAK 8500 28.9 18.1 160 31.1 23.4 133 ----- ----- Basin wide percent of average 165 123 LOWER GREEN RIVER HAMS FORK 7840 15.1 8.5 178 13.0 10.1 129 HEWINTA 9500 10.6 6.5 163 11.4 8.7 131 HICKERSON PARK 9150 5.4 3.7 146 7.2 6.2 116 HOLE-IN-ROCK 9150 6.5 3.4 191 7.5 6.2 121 INDIAN CREEK 9425 33.5 18.7 179 20.5 18.9 108 KELLEY R.S. 8180 21.0 11.2 188 24.0 14.1 170 STEEL CREEK PARK 10100 13.1 10.1 130 12.7 8.8 144 ----- ----- Basin wide percent of average 169 132 UPPER BEAR RIVER BUG LAKE 7950 27.2 13.4 203 25.7 13.2 195 HAYDEN FORK 9400 17.3 10.7 162 21.8 12.4 176 KELLEY R.S. 8180 21.0 11.2 188 24.0 14.1 170 LILY LAKE 9050 15.2 8.5 179 16.3 9.8 166 MONTE CRISTO 8960 34.5 18.0 192 28.3 17.1 165 SALT RIVER SUMMIT 7600 18.5 9.5 195 19.9 12.7 157 TRIAL LAKE 9960 31.6 16.5 192 30.8 15.8 195 ----- ----- Basin wide percent of average 188 175 ----------------------------------------------------------------------------- -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.