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 TUESDAY: JANUARY 28 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 22.0 11.9 185 26.8 15.6 172 COTTONWOOD CREEK 7600 22.5 13.4 168 24.8 16.6 149 GRANITE CREEK 6770 24.1 11.7 206 22.5 16.5 136 GRASSY LAKE 7265 -M 21.9 * -M 25.3 * GROS VENTRE SUMMIT 8775 17.5 10.2 172 13.0 11.1 117 LEWIS LAKE DIVIDE 7860 42.2 21.7 194 37.1 25.8 144 PHILLIPS BENCH 8200 31.8 18.4 173 27.6 20.4 135 SALT RIVER SUMMIT 7600 18.0 8.5 212 19.4 11.8 164 SNAKE RIVER STATION 6920 20.1 11.8 170 27.3 17.9 153 SPRING CREEK DIVIDE 9000 29.1 17.4 167 20.1 18.6 108 THUMB DIVIDE 7980 25.4 10.9 233 21.0 14.7 143 TOGWOTEE PASS 9580 26.4 16.2 163 21.7 19.3 112 TWO OCEAN PLATEAU 9360 34.2 17.6 194 29.0 21.6 134 WILLOW CREEK 8450 31.7 20.0 158 33.1 21.9 151 ----- ----- Basin wide percent of average 182 140 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 26.9 15.5 174 -M 11.6 * BLACK BEAR 7950 46.2 23.4 197 -M 25.3 * CANYON 7940 18.0 7.9 228 20.9 9.5 220 FISHER CREEK 9100 42.7 23.2 184 36.0 23.5 153 MADISON PLATEAU 7750 30.7 15.4 199 -M 16.6 * NORTHEAST ENTRANCE 7350 8.6 6.1 141 15.1 8.0 189 PARKER PEAK 9400 23.8 13.9 171 15.6 10.1 154 SYLVAN LAKE 8420 23.1 14.4 160 -M 12.8 * THUMB DIVIDE 7980 25.4 10.9 233 21.0 14.7 143 TWO OCEAN PLATEAU 9360 34.2 17.6 194 29.0 21.6 134 WHISKEY CREEK 6800 18.7 10.7 175 23.4 13.8 170 WHITE MILL 8700 29.0 16.2 179 -M 18.5 * WOLVERINE 7650 11.4 7.6 150 11.5 8.5 135 ----- ----- Basin wide percent of average 185 157 WIND RIVER BURROUGHS CREEK 8750 19.2 10.0 192 -M 10.9 * CHRISTINA LAKE 9980 17.4 9.9 176 19.3 10.6 182 COLD SPRINGS 9630 7.6 5.6 136 8.6 6.7 128 HOBBS PARK 10100 13.6 9.7 140 10.3 8.9 116 LITTLE WARM 9620 13.4 6.9 194 14.7 8.6 171 SOUTH PASS 9040 -M 10.9 * 21.1 10.4 203 ST. LAWRENCE ALT 8620 5.9 4.6 128 7.1 6.1 116 TOGWOTEE PASS 9580 26.4 16.2 163 21.7 19.3 112 TOWNSEND CREEK 8700 8.0 6.0 133 9.3 7.5 124 ----- ----- Basin wide percent of average 162 144 BIGHORN BASIN BALD MTN. 9375 14.9 13.4 111 12.3 11.3 109 BEAR TRAP MEADOW 7900 5.3 4.7 113 5.7 5.3 108 BLACKWATER 9780 28.4 13.5 210 21.3 11.8 181 BONE SPRINGS DIV 9350 12.5 10.3 121 11.5 9.1 126 EVENING STAR 9200 31.2 17.2 181 -M 14.7 * GRAVE SPRINGS 8550 8.8 -M * 8.6 6.2 139 KIRWIN 9550 12.0 6.4 188 13.4 6.6 203 LOST CREEK 8080 10.4 7.8 133 11.1 7.5 148 MARQUETTE 8760 7.5 5.0 150 7.8 5.7 137 MIDDLE POWDER 7760 11.2 7.6 147 10.1 7.6 133 OWL CREEK 8975 5.3 2.7 196 4.5 3.7 122 POWDER RIVER PASS 9480 -M 6.8 * 8.4 7.5 112 SHELL CREEK 9580 12.1 9.9 122 9.9 8.6 115 SYLVAN LAKE 8420 23.1 14.4 160 -M 12.8 * SYLVAN ROAD 8120 15.1 8.1 186 21.1 10.7 197 TIMBER CREEK 7950 4.3 3.5 123 4.9 4.1 120 YOUNTS PEAK 8350 17.7 11.8 150 19.3 10.9 177 ----- ----- Basin wide percent of average 155 146 SHOSHONE RIVER BLACKWATER 9780 28.4 13.5 210 21.3 11.8 181 EVENING STAR 9200 31.2 17.2 181 -M 14.7 * KIRWIN 9550 12.0 6.4 188 13.4 6.6 203 MARQUETTE 8760 7.5 5.0 150 7.8 5.7 137 SYLVAN LAKE 8420 23.1 14.4 160 -M 12.8 * SYLVAN ROAD 8120 15.1 8.1 186 21.1 10.7 197 YOUNTS PEAK 8350 17.7 11.8 150 19.3 10.9 177 ----- ----- Basin wide percent of average 177 181 POWDER-TONGUE BEAR TRAP MEADOW 7900 5.3 4.7 113 5.7 5.3 108 BONE SPRINGS DIV 9350 12.5 10.3 121 11.5 9.1 126 BURGESS JUNCTION 7880 8.6 7.3 118 8.8 6.9 128 CLOUD PEAK RESERVOIR 9860 12.9 7.7 168 10.5 7.8 135 DOME LAKE 8880 8.8 8.7 101 9.7 8.5 114 GRAVE SPRINGS 8550 8.8 -M * 8.6 6.2 139 HANSEN SAWMILL 8760 4.9 4.4 111 5.4 4.9 110 LOST CREEK 8080 10.4 7.8 133 11.1 7.5 148 MIDDLE POWDER 7760 11.2 7.6 147 10.1 7.6 133 POWDER RIVER PASS 9480 -M 6.8 * 8.4 7.5 112 SUCKER CREEK 8880 10.0 7.2 139 9.7 8.3 117 TIE CREEK 6870 5.7 -M * 8.0 6.6 121 ----- ----- Basin wide percent of average 129 125 BELLE FOURCHE BLIND PARK 6890 7.7 7.0 110 12.0 5.9 203 NORTH RAPID CREEK 6130 7.9 -M * 10.7 -M * WARREN PEAK 6520 13.5 7.0 193 -M 5.0 * ----- ----- Basin wide percent of average 151 203* UPPER N. PLATTE RIVER COLUMBINE 9400 13.9 15.1 92 23.5 15.7 150 DIVIDE PEAK 8800 18.4 12.9 143 18.6 15.6 119 ELK RIVER 8700 21.6 12.0 180 20.1 12.0 168 JOE WRIGHT 10120 18.5 13.6 136 22.2 15.9 140 NORTH FRENCH CREEK 10100 25.2 15.4 164 23.1 14.6 158 OLD BATTLE 10000 33.0 19.8 167 28.9 18.7 155 SOUTH BRUSH CREEK 8400 12.0 6.8 176 13.2 10.6 125 TOWER 10500 45.9 28.7 160 34.6 23.1 150 WEBBER SPRINGS 9200 24.7 16.8 147 28.6 16.2 177 WILLOW CREEK PASS 9540 14.4 7.1 203 11.2 7.6 147 ----- ----- Basin wide percent of average 154 149 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 -M 15.5 * 21.0 11.6 181 CASPER MTN. 7900 14.3 9.1 157 13.8 8.4 164 CHRISTINA LAKE 9980 17.4 9.9 176 19.3 10.6 182 DEADMAN HILL 10220 11.8 10.7 110 13.3 9.9 134 LAPRELE CREEK 8320 10.5 6.4 164 10.3 7.3 141 RENO HILL 8400 15.7 8.1 194 13.3 11.2 119 ROACH 9700 16.6 10.6 157 17.4 13.7 127 SAND LAKE 10080 27.5 20.4 135 21.8 12.5 174 SOUTH PASS 9040 -M 10.9 * 21.1 10.4 203 WINDY PEAK 7840 7.7 4.3 179 8.4 5.7 147 ----- ----- Basin wide percent of average 153 158 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 12.7 7.0 181 13.9 10.5 132 DIVIDE PEAK 8800 18.4 12.9 143 18.6 15.6 119 OLD BATTLE 10000 33.0 19.8 167 28.9 18.7 155 SANDSTONE RS 8150 15.7 8.9 176 17.8 12.7 140 WHISKEY PARK 8950 -M 17.7 * -M 18.9 * ----- ----- Basin wide percent of average 164 138 UPPER GREEN RIVER BIG SANDY OPENING 9100 15.6 9.2 170 14.7 11.4 129 BLIND BULL SUM 8650 32.3 18.2 177 20.4 16.0 128 EAST RIM DIVIDE 7930 13.5 8.9 152 14.2 10.6 134 ELKHART PARK G.S. 9400 15.2 8.5 179 15.6 11.2 139 GROS VENTRE SUMMIT 8775 17.5 10.2 172 13.0 11.1 117 KENDALL R.S. 7740 19.1 9.5 201 17.5 10.8 162 LOOMIS PARK 8240 18.3 11.1 165 17.8 13.2 135 NEW FORK LAKE 8340 12.4 7.5 165 11.4 10.2 112 SNIDER BASIN 8250 18.5 9.4 197 16.1 10.6 152 SPRING CREEK DIVIDE 9000 29.1 17.4 167 20.1 18.6 108 TRIPLE PEAK 8500 27.6 16.6 166 29.6 21.8 136 ----- ----- Basin wide percent of average 173 131 LOWER GREEN RIVER HAMS FORK 7840 14.6 7.7 190 12.7 9.4 135 HEWINTA 9500 9.8 5.9 166 10.7 8.1 132 HICKERSON PARK 9150 4.7 3.4 138 6.5 5.8 112 HOLE-IN-ROCK 9150 5.8 3.1 187 7.0 5.8 121 INDIAN CREEK 9425 32.4 17.2 188 20.4 17.6 116 KELLEY R.S. 8180 20.5 10.2 201 23.6 13.1 180 STEEL CREEK PARK 10100 12.1 9.5 127 11.8 8.4 140 ----- ----- Basin wide percent of average 175 136 UPPER BEAR RIVER BUG LAKE 7950 26.2 12.4 211 25.3 12.4 204 HAYDEN FORK 9400 16.5 9.8 168 20.9 11.5 182 KELLEY R.S. 8180 20.5 10.2 201 23.6 13.1 180 LILY LAKE 9050 13.4 7.9 170 15.6 9.2 170 MONTE CRISTO 8960 33.3 16.6 201 27.9 16.0 174 SALT RIVER SUMMIT 7600 18.0 8.5 212 19.4 11.8 164 TRIAL LAKE 9960 30.3 15.3 198 29.9 14.7 203 ----- ----- Basin wide percent of average 196 183 ----------------------------------------------------------------------------- -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.