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 FRIDAY: JANUARY 24 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 19.1 11.4 168 24.1 15.0 161 COTTONWOOD CREEK 7600 21.0 12.8 164 23.0 15.9 145 GRANITE CREEK 6770 21.8 11.1 196 22.5 15.8 142 GRASSY LAKE 7265 -M 20.9 * -M 24.3 * GROS VENTRE SUMMIT 8775 16.1 9.7 166 13.0 10.7 121 LEWIS LAKE DIVIDE 7860 39.5 20.6 192 36.5 24.7 148 PHILLIPS BENCH 8200 29.0 17.5 166 27.7 19.5 142 SALT RIVER SUMMIT 7600 16.3 8.1 201 17.7 11.3 157 SNAKE RIVER STATION 6920 17.9 11.3 158 25.2 17.1 147 SPRING CREEK DIVIDE 9000 27.1 16.6 163 20.0 17.8 112 THUMB DIVIDE 7980 24.6 10.4 237 21.0 14.1 149 TOGWOTEE PASS 9580 24.7 15.5 159 21.7 18.5 117 TWO OCEAN PLATEAU 9360 31.8 16.9 188 29.0 20.7 140 WILLOW CREEK 8450 30.0 19.0 158 31.0 20.9 148 ----- ----- Basin wide percent of average 176 141 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 25.5 14.9 171 20.7 11.2 185 BLACK BEAR 7950 43.8 22.3 196 -M 24.1 * CANYON 7940 17.1 7.6 225 20.3 9.1 223 FISHER CREEK 9100 41.2 22.1 186 36.0 22.4 161 MADISON PLATEAU 7750 29.8 14.6 204 -M 15.9 * NORTHEAST ENTRANCE 7350 8.1 5.8 140 14.4 7.7 187 PARKER PEAK 9400 22.6 13.4 169 15.4 9.8 157 SYLVAN LAKE 8420 22.3 13.9 160 -M 12.3 * THUMB DIVIDE 7980 24.6 10.4 237 21.0 14.1 149 TWO OCEAN PLATEAU 9360 31.8 16.9 188 29.0 20.7 140 WHISKEY CREEK 6800 18.0 10.2 176 23.4 13.2 177 WHITE MILL 8700 27.8 15.5 179 -M 17.6 * WOLVERINE 7650 10.9 7.2 151 11.0 8.2 134 ----- ----- Basin wide percent of average 185 164 WIND RIVER BURROUGHS CREEK 8750 17.7 9.6 184 16.8 10.5 160 CHRISTINA LAKE 9980 -M 9.6 * 18.4 10.3 179 COLD SPRINGS 9630 7.0 5.5 127 8.0 6.5 123 HOBBS PARK 10100 12.7 9.5 134 9.8 8.6 114 LITTLE WARM 9620 12.8 6.7 191 13.9 8.3 167 SOUTH PASS 9040 -M 10.6 * 19.9 10.1 197 ST. LAWRENCE ALT 8620 5.8 4.4 132 6.9 6.0 115 TOGWOTEE PASS 9580 24.7 15.5 159 21.7 18.5 117 TOWNSEND CREEK 8700 7.6 5.8 131 9.0 7.3 123 ----- ----- Basin wide percent of average 155 144 BIGHORN BASIN BALD MTN. 9375 14.5 13.0 112 11.9 10.9 109 BEAR TRAP MEADOW 7900 5.2 4.5 116 5.3 5.1 104 BLACKWATER 9780 26.2 13.0 202 19.3 11.3 171 BONE SPRINGS DIV 9350 12.0 9.9 121 10.7 8.8 122 EVENING STAR 9200 29.4 16.7 176 -M 14.1 * GRAVE SPRINGS 8550 8.7 -M * 8.4 6.1 138 KIRWIN 9550 11.1 6.3 176 12.0 6.4 188 LOST CREEK 8080 10.3 7.5 137 11.0 7.2 153 MARQUETTE 8760 7.0 4.8 146 7.5 5.5 136 MIDDLE POWDER 7760 11.2 7.3 153 10.1 7.3 138 OWL CREEK 8975 5.1 2.6 196 4.3 3.5 123 POWDER RIVER PASS 9480 -M 6.5 * 8.1 7.2 112 SHELL CREEK 9580 -M 9.6 * 9.1 8.3 110 SYLVAN LAKE 8420 22.3 13.9 160 -M 12.3 * SYLVAN ROAD 8120 14.2 7.8 182 20.2 10.3 196 TIMBER CREEK 7950 4.2 3.3 127 4.7 4.0 118 YOUNTS PEAK 8350 -M 11.4 * -M 10.4 * ----- ----- Basin wide percent of average 156 140 SHOSHONE RIVER BLACKWATER 9780 26.2 13.0 202 19.3 11.3 171 EVENING STAR 9200 29.4 16.7 176 -M 14.1 * KIRWIN 9550 11.1 6.3 176 12.0 6.4 188 MARQUETTE 8760 7.0 4.8 146 7.5 5.5 136 SYLVAN LAKE 8420 22.3 13.9 160 -M 12.3 * SYLVAN ROAD 8120 14.2 7.8 182 20.2 10.3 196 YOUNTS PEAK 8350 -M 11.4 * -M 10.4 * ----- ----- Basin wide percent of average 176 176 POWDER-TONGUE BEAR TRAP MEADOW 7900 5.2 4.5 116 5.3 5.1 104 BONE SPRINGS DIV 9350 12.0 9.9 121 10.7 8.8 122 BURGESS JUNCTION 7880 8.4 7.1 118 8.5 6.7 127 CLOUD PEAK RESERVOIR 9860 12.3 7.4 166 10.1 7.6 133 DOME LAKE 8880 8.1 8.3 98 9.0 8.2 110 GRAVE SPRINGS 8550 8.7 -M * 8.4 6.1 138 HANSEN SAWMILL 8760 4.7 4.3 109 5.3 4.7 113 LOST CREEK 8080 10.3 7.5 137 11.0 7.2 153 MIDDLE POWDER 7760 11.2 7.3 153 10.1 7.3 138 POWDER RIVER PASS 9480 -M 6.5 * 8.1 7.2 112 SUCKER CREEK 8880 9.6 6.9 139 9.4 8.1 116 TIE CREEK 6870 5.5 -M * 7.8 6.4 122 ----- ----- Basin wide percent of average 129 124 BELLE FOURCHE BLIND PARK 6890 7.5 6.7 112 11.9 5.8 205 NORTH RAPID CREEK 6130 8.0 -M * 10.0 -M * WARREN PEAK 6520 13.2 6.7 197 -M 4.9 * ----- ----- Basin wide percent of average 154 205* UPPER N. PLATTE RIVER COLUMBINE 9400 15.1 14.4 105 23.3 15.0 155 DIVIDE PEAK 8800 17.9 12.4 144 17.9 15.0 119 ELK RIVER 8700 20.3 11.4 178 18.9 11.5 164 JOE WRIGHT 10120 17.4 13.1 133 21.4 15.2 141 NORTH FRENCH CREEK 10100 24.1 14.9 162 21.9 14.0 156 OLD BATTLE 10000 30.8 19.0 162 26.8 18.1 148 SOUTH BRUSH CREEK 8400 11.8 6.5 182 12.9 10.5 123 TOWER 10500 -M 27.5 * 34.5 22.2 155 WEBBER SPRINGS 9200 23.1 16.1 143 26.8 15.7 171 WILLOW CREEK PASS 9540 13.4 6.9 194 10.7 7.4 145 ----- ----- Basin wide percent of average 152 149 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 24.0 15.1 159 19.4 11.2 173 CASPER MTN. 7900 13.9 8.8 158 13.3 8.2 162 CHRISTINA LAKE 9980 -M 9.6 * 18.4 10.3 179 DEADMAN HILL 10220 10.9 10.3 106 12.3 9.6 128 LAPRELE CREEK 8320 10.3 6.1 169 9.7 7.0 139 RENO HILL 8400 12.0 7.8 154 12.9 11.0 117 ROACH 9700 15.5 10.2 152 16.1 13.2 122 SAND LAKE 10080 25.8 19.7 131 20.3 12.1 168 SOUTH PASS 9040 -M 10.6 * 19.9 10.1 197 WINDY PEAK 7840 7.0 4.1 171 7.9 5.4 146 ----- ----- Basin wide percent of average 145 153 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 12.1 6.7 181 13.6 10.0 136 DIVIDE PEAK 8800 17.9 12.4 144 17.9 15.0 119 OLD BATTLE 10000 30.8 19.0 162 26.8 18.1 148 SANDSTONE RS 8150 14.6 8.5 172 16.9 12.2 139 WHISKEY PARK 8950 -M 17.0 * -M 17.9 * ----- ----- Basin wide percent of average 162 136 UPPER GREEN RIVER BIG SANDY OPENING 9100 14.7 8.8 167 13.7 10.9 126 BLIND BULL SUM 8650 29.8 17.5 170 20.4 15.3 133 EAST RIM DIVIDE 7930 12.3 8.4 146 13.0 10.2 127 ELKHART PARK G.S. 9400 14.4 8.2 176 14.8 10.7 138 GROS VENTRE SUMMIT 8775 16.1 9.7 166 13.0 10.7 121 KENDALL R.S. 7740 17.7 9.1 195 17.6 10.4 169 LOOMIS PARK 8240 17.9 10.5 170 17.7 12.7 139 NEW FORK LAKE 8340 11.5 7.1 162 10.6 9.7 109 SNIDER BASIN 8250 16.8 9.0 187 14.8 10.2 145 SPRING CREEK DIVIDE 9000 27.1 16.6 163 20.0 17.8 112 TRIPLE PEAK 8500 25.4 15.8 161 27.2 20.9 130 ----- ----- Basin wide percent of average 169 131 LOWER GREEN RIVER HAMS FORK 7840 13.0 7.3 178 11.5 9.0 128 HEWINTA 9500 9.3 5.7 163 10.2 7.9 129 HICKERSON PARK 9150 5.2 3.3 158 6.5 5.7 114 HOLE-IN-ROCK 9150 5.8 3.0 193 6.9 5.7 121 INDIAN CREEK 9425 29.5 16.4 180 19.7 16.8 117 KELLEY R.S. 8180 18.5 9.7 191 21.4 12.6 170 STEEL CREEK PARK 10100 11.5 9.2 125 11.2 8.1 138 ----- ----- Basin wide percent of average 170 133 UPPER BEAR RIVER BUG LAKE 7950 23.3 12.0 194 23.2 11.9 195 HAYDEN FORK 9400 15.0 9.5 158 19.4 11.1 175 KELLEY R.S. 8180 18.5 9.7 191 21.4 12.6 170 LILY LAKE 9050 12.7 7.7 165 14.6 8.9 164 MONTE CRISTO 8960 30.7 15.9 193 25.8 15.4 168 SALT RIVER SUMMIT 7600 16.3 8.1 201 17.7 11.3 157 TRIAL LAKE 9960 -M 14.8 * 27.4 14.1 194 ----- ----- Basin wide percent of average 185 175 ----------------------------------------------------------------------------- -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.