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 SATURDAY: FEBRUARY 1 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 23.8 12.5 190 27.1 16.3 166 COTTONWOOD CREEK 7600 23.3 14.0 166 25.1 17.3 145 GRANITE CREEK 6770 24.6 12.3 200 22.5 17.2 131 GRASSY LAKE 7265 37.2 23.0 162 38.1 26.4 144 GROS VENTRE SUMMIT 8775 17.9 10.6 169 13.5 11.6 116 LEWIS LAKE DIVIDE 7860 44.9 22.8 197 37.4 26.9 139 PHILLIPS BENCH 8200 32.8 19.4 169 27.8 21.3 131 SALT RIVER SUMMIT 7600 18.3 9.0 203 19.8 12.3 161 SNAKE RIVER STATION 6920 22.2 12.4 179 29.2 18.6 157 SPRING CREEK DIVIDE 9000 30.0 18.2 165 20.1 19.4 104 THUMB DIVIDE 7980 26.0 11.4 228 21.1 15.3 138 TOGWOTEE PASS 9580 27.4 16.9 162 21.8 20.1 108 TWO OCEAN PLATEAU 9360 35.7 18.3 195 29.0 22.5 129 WILLOW CREEK 8450 31.8 21.0 151 34.6 22.8 152 ----- ----- Basin wide percent of average 178 137 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 27.9 16.0 174 -M 12.1 * BLACK BEAR 7950 48.8 24.5 199 -M 26.5 * CANYON 7940 19.0 8.3 229 21.7 9.9 219 FISHER CREEK 9100 43.8 24.2 181 -M 24.6 * MADISON PLATEAU 7750 31.9 16.1 198 30.3 17.3 175 NORTHEAST ENTRANCE 7350 9.3 6.4 145 15.3 8.3 184 PARKER PEAK 9400 24.5 14.3 171 -M 10.5 * SYLVAN LAKE 8420 24.8 14.9 166 -M 13.2 * THUMB DIVIDE 7980 26.0 11.4 228 21.1 15.3 138 TWO OCEAN PLATEAU 9360 35.7 18.3 195 29.0 22.5 129 WHISKEY CREEK 6800 19.7 11.2 176 23.2 14.4 161 WHITE MILL 8700 30.1 16.8 179 -M 19.3 * WOLVERINE 7650 12.0 7.9 152 11.6 8.8 132 ----- ----- Basin wide percent of average 186 158 WIND RIVER BURROUGHS CREEK 8750 20.0 10.4 192 -M 11.3 * CHRISTINA LAKE 9980 17.4 10.2 171 19.5 10.9 179 COLD SPRINGS 9630 8.0 5.8 138 8.8 6.9 128 HOBBS PARK 10100 13.7 10.0 137 10.6 9.2 115 LITTLE WARM 9620 13.9 7.2 193 15.2 8.9 171 SOUTH PASS 9040 22.6 11.3 200 21.2 10.8 196 ST. LAWRENCE ALT 8620 6.0 4.8 125 7.4 6.3 117 TOGWOTEE PASS 9580 27.4 16.9 162 21.8 20.1 108 TOWNSEND CREEK 8700 8.0 6.2 129 9.3 7.8 119 ----- ----- Basin wide percent of average 165 141 BIGHORN BASIN BALD MTN. 9375 15.3 13.8 111 12.5 11.7 107 BEAR TRAP MEADOW 7900 5.7 4.8 119 6.4 5.4 119 BLACKWATER 9780 29.9 14.0 214 22.3 12.2 183 BONE SPRINGS DIV 9350 13.1 10.6 124 11.7 9.4 124 EVENING STAR 9200 32.3 17.8 181 -M 15.3 * GRAVE SPRINGS 8550 9.0 -M * 8.6 6.4 134 KIRWIN 9550 12.4 6.6 188 13.5 6.8 199 LOST CREEK 8080 10.6 8.1 131 11.3 7.7 147 MARQUETTE 8760 7.5 5.1 147 8.1 5.8 140 MIDDLE POWDER 7760 11.2 7.8 144 10.4 7.8 133 OWL CREEK 8975 5.5 2.8 196 4.6 3.8 121 POWDER RIVER PASS 9480 9.1 7.0 130 8.7 7.8 112 SHELL CREEK 9580 12.5 10.2 123 10.0 8.9 112 SYLVAN LAKE 8420 24.8 14.9 166 -M 13.2 * SYLVAN ROAD 8120 16.5 8.5 194 22.0 11.1 198 TIMBER CREEK 7950 4.3 3.6 119 4.8 4.2 114 YOUNTS PEAK 8350 18.5 12.2 152 -M 11.3 * ----- ----- Basin wide percent of average 155 142 SHOSHONE RIVER BLACKWATER 9780 29.9 14.0 214 22.3 12.2 183 EVENING STAR 9200 32.3 17.8 181 -M 15.3 * KIRWIN 9550 12.4 6.6 188 13.5 6.8 199 MARQUETTE 8760 7.5 5.1 147 8.1 5.8 140 SYLVAN LAKE 8420 24.8 14.9 166 -M 13.2 * SYLVAN ROAD 8120 16.5 8.5 194 22.0 11.1 198 YOUNTS PEAK 8350 18.5 12.2 152 -M 11.3 * ----- ----- Basin wide percent of average 179 184 POWDER-TONGUE BEAR TRAP MEADOW 7900 5.7 4.8 119 6.4 5.4 119 BONE SPRINGS DIV 9350 13.1 10.6 124 11.7 9.4 124 BURGESS JUNCTION 7880 9.0 7.6 118 9.4 7.1 132 CLOUD PEAK RESERVOIR 9860 13.1 8.0 164 10.5 8.1 130 DOME LAKE 8880 9.0 9.0 100 9.9 8.7 114 GRAVE SPRINGS 8550 9.0 -M * 8.6 6.4 134 HANSEN SAWMILL 8760 5.0 4.6 109 5.4 5.0 108 LOST CREEK 8080 10.6 8.1 131 11.3 7.7 147 MIDDLE POWDER 7760 11.2 7.8 144 10.4 7.8 133 POWDER RIVER PASS 9480 9.1 7.0 130 8.7 7.8 112 SUCKER CREEK 8880 10.1 7.5 135 10.4 8.6 121 TIE CREEK 6870 5.9 -M * 8.3 6.8 122 ----- ----- Basin wide percent of average 128 125 BELLE FOURCHE BLIND PARK 6890 7.8 7.2 108 12.1 6.1 198 NORTH RAPID CREEK 6130 8.5 -M * 10.8 -M * WARREN PEAK 6520 13.6 7.2 189 -M 5.2 * ----- ----- Basin wide percent of average 149 198* UPPER N. PLATTE RIVER COLUMBINE 9400 14.7 15.8 93 25.4 16.4 155 DIVIDE PEAK 8800 18.8 13.3 141 19.2 16.1 119 ELK RIVER 8700 21.9 12.5 175 20.6 12.5 165 JOE WRIGHT 10120 18.6 14.0 133 23.3 16.5 141 NORTH FRENCH CREEK 10100 26.1 16.0 163 23.7 15.1 157 OLD BATTLE 10000 33.4 20.5 163 28.9 19.4 149 SOUTH BRUSH CREEK 8400 12.4 7.1 175 13.7 10.7 128 TOWER 10500 46.1 30.0 154 34.7 24.1 144 WEBBER SPRINGS 9200 25.1 17.4 144 28.7 16.6 173 WILLOW CREEK PASS 9540 14.6 7.3 200 11.9 7.8 153 ----- ----- Basin wide percent of average 151 148 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 26.3 16.0 164 21.5 12.1 178 CASPER MTN. 7900 14.4 9.4 153 13.9 8.6 162 CHRISTINA LAKE 9980 17.4 10.2 171 19.5 10.9 179 DEADMAN HILL 10220 12.3 11.1 111 13.6 10.3 132 LAPRELE CREEK 8320 11.5 6.6 174 10.6 7.6 139 RENO HILL 8400 15.9 8.3 192 13.6 11.4 119 ROACH 9700 16.8 11.0 153 17.6 14.2 124 SAND LAKE 10080 28.0 21.2 132 22.2 13.0 171 SOUTH PASS 9040 22.6 11.3 200 21.2 10.8 196 WINDY PEAK 7840 7.6 4.5 169 9.1 5.9 154 ----- ----- Basin wide percent of average 158 155 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 13.0 7.3 178 14.7 10.9 135 DIVIDE PEAK 8800 18.8 13.3 141 19.2 16.1 119 OLD BATTLE 10000 33.4 20.5 163 28.9 19.4 149 SANDSTONE RS 8150 16.2 9.3 174 18.3 13.3 138 WHISKEY PARK 8950 29.6 18.4 161 26.8 20.0 134 ----- ----- Basin wide percent of average 161 135 UPPER GREEN RIVER BIG SANDY OPENING 9100 16.0 9.6 167 14.8 11.9 124 BLIND BULL SUM 8650 33.4 19.0 176 20.4 16.8 121 EAST RIM DIVIDE 7930 13.8 9.3 148 14.5 11.1 131 ELKHART PARK G.S. 9400 15.5 8.9 174 15.7 11.7 134 GROS VENTRE SUMMIT 8775 17.9 10.6 169 13.5 11.6 116 KENDALL R.S. 7740 19.7 9.9 199 17.8 11.3 158 LOOMIS PARK 8240 16.5 11.6 142 18.4 13.8 133 NEW FORK LAKE 8340 12.8 7.9 162 11.7 10.6 110 SNIDER BASIN 8250 19.4 9.9 196 16.6 11.1 150 SPRING CREEK DIVIDE 9000 30.0 18.2 165 20.1 19.4 104 TRIPLE PEAK 8500 28.2 17.4 162 30.3 22.7 133 ----- ----- Basin wide percent of average 169 128 LOWER GREEN RIVER HAMS FORK 7840 15.0 8.1 185 13.0 9.8 133 HEWINTA 9500 10.1 6.2 163 10.7 8.4 127 HICKERSON PARK 9150 4.9 3.5 140 6.8 6.0 113 HOLE-IN-ROCK 9150 6.0 3.2 188 7.0 6.0 117 INDIAN CREEK 9425 33.2 17.9 185 20.6 18.3 113 KELLEY R.S. 8180 20.9 10.7 195 24.0 13.7 175 STEEL CREEK PARK 10100 12.3 9.8 126 12.0 8.6 140 ----- ----- Basin wide percent of average 172 133 UPPER BEAR RIVER BUG LAKE 7950 26.6 12.9 206 25.6 12.8 200 HAYDEN FORK 9400 16.6 10.2 163 21.1 11.9 177 KELLEY R.S. 8180 20.9 10.7 195 24.0 13.7 175 LILY LAKE 9050 13.6 8.1 168 15.6 9.5 164 MONTE CRISTO 8960 33.9 17.3 196 28.0 16.5 170 SALT RIVER SUMMIT 7600 18.3 9.0 203 19.8 12.3 161 TRIAL LAKE 9960 30.7 15.8 194 30.3 15.2 199 ----- ----- Basin wide percent of average 191 179 ----------------------------------------------------------------------------- -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.