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 10 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 18.7 9.3 201 22.7 12.7 179 COTTONWOOD CREEK 7600 19.0 10.5 181 20.3 13.5 150 GRANITE CREEK 6770 20.5 8.9 230 22.5 13.4 168 GRASSY LAKE 7265 -M 17.0 * -M 20.6 * GROS VENTRE SUMMIT 8775 15.2 8.1 188 13.5 9.0 150 LEWIS LAKE DIVIDE 7860 35.2 16.6 212 35.7 20.9 171 PHILLIPS BENCH 8200 26.9 13.9 194 27.8 16.3 171 SALT RIVER SUMMIT 7600 14.7 6.3 233 16.2 9.6 169 SNAKE RIVER STATION 6920 16.5 9.1 181 -M 14.5 * SPRING CREEK DIVIDE 9000 24.5 13.6 180 20.1 15.1 133 THUMB DIVIDE 7980 22.7 8.6 264 20.8 11.9 175 TOGWOTEE PASS 9580 23.3 12.9 181 21.6 15.6 138 TWO OCEAN PLATEAU 9360 30.4 14.3 213 28.6 17.5 163 WILLOW CREEK 8450 27.6 15.4 179 26.2 17.7 148 ----- ----- Basin wide percent of average 200 159 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 23.9 12.9 185 19.5 9.5 205 BLACK BEAR 7950 45.8 18.3 250 -M 19.9 * CANYON 7940 16.2 6.3 257 17.3 7.8 222 FISHER CREEK 9100 39.2 18.3 214 34.6 18.5 187 MADISON PLATEAU 7750 -M 12.0 * -M 13.3 * NORTHEAST ENTRANCE 7350 7.3 4.8 152 12.9 6.5 198 PARKER PEAK 9400 21.2 11.8 180 14.3 8.4 170 SYLVAN LAKE 8420 21.1 12.1 174 20.0 10.8 185 THUMB DIVIDE 7980 22.7 8.6 264 20.8 11.9 175 TWO OCEAN PLATEAU 9360 30.4 14.3 213 28.6 17.5 163 WHISKEY CREEK 6800 16.7 8.3 201 23.2 11.1 209 WHITE MILL 8700 26.3 13.1 201 -M 14.7 * WOLVERINE 7650 10.4 6.0 173 10.5 7.1 148 ----- ----- Basin wide percent of average 209 185 WIND RIVER BURROUGHS CREEK 8750 16.8 8.1 207 16.9 9.0 188 CHRISTINA LAKE 9980 13.5 8.4 161 15.6 9.1 171 COLD SPRINGS 9630 6.8 4.9 139 7.6 5.9 129 HOBBS PARK 10100 11.6 8.5 136 9.1 7.6 120 LITTLE WARM 9620 12.3 5.7 216 13.3 7.3 182 SOUTH PASS 9040 18.0 9.3 194 17.4 8.8 198 ST. LAWRENCE ALT 8620 5.2 3.8 137 6.3 5.4 117 TOGWOTEE PASS 9580 23.3 12.9 181 21.6 15.6 138 TOWNSEND CREEK 8700 6.2 5.0 124 7.5 6.4 117 ----- ----- Basin wide percent of average 171 154 BIGHORN BASIN BALD MTN. 9375 13.5 11.4 118 11.0 9.6 115 BEAR TRAP MEADOW 7900 4.4 4.0 110 4.5 4.6 98 BLACKWATER 9780 25.2 11.2 225 18.0 9.8 184 BONE SPRINGS DIV 9350 11.2 8.7 129 9.6 7.6 126 EVENING STAR 9200 27.9 14.5 192 25.1 12.1 207 GRAVE SPRINGS 8550 7.9 -M * 7.8 5.5 142 KIRWIN 9550 10.7 5.6 191 11.9 5.7 209 LOST CREEK 8080 9.3 6.5 143 10.0 6.4 156 MARQUETTE 8760 6.8 4.3 158 7.2 5.0 144 MIDDLE POWDER 7760 10.3 6.4 161 9.3 6.5 143 OWL CREEK 8975 4.8 2.2 218 4.0 3.1 129 POWDER RIVER PASS 9480 -M 5.7 * 7.6 6.2 123 SHELL CREEK 9580 10.8 8.4 129 8.5 7.1 120 SYLVAN LAKE 8420 21.1 12.1 174 20.0 10.8 185 SYLVAN ROAD 8120 12.9 6.6 195 19.0 8.9 213 TIMBER CREEK 7950 3.8 2.8 136 4.4 3.6 122 YOUNTS PEAK 8350 15.6 9.9 158 19.7 9.0 219 ----- ----- Basin wide percent of average 164 163 SHOSHONE RIVER BLACKWATER 9780 25.2 11.2 225 18.0 9.8 184 EVENING STAR 9200 27.9 14.5 192 25.1 12.1 207 KIRWIN 9550 10.7 5.6 191 11.9 5.7 209 MARQUETTE 8760 6.8 4.3 158 7.2 5.0 144 SYLVAN LAKE 8420 21.1 12.1 174 20.0 10.8 185 SYLVAN ROAD 8120 12.9 6.6 195 19.0 8.9 213 YOUNTS PEAK 8350 15.6 9.9 158 19.7 9.0 219 ----- ----- Basin wide percent of average 187 197 POWDER-TONGUE BEAR TRAP MEADOW 7900 4.4 4.0 110 4.5 4.6 98 BONE SPRINGS DIV 9350 11.2 8.7 129 9.6 7.6 126 BURGESS JUNCTION 7880 7.9 6.1 130 7.8 6.0 130 CLOUD PEAK RESERVOIR 9860 11.3 6.3 179 9.5 6.7 142 DOME LAKE 8880 7.7 7.1 108 8.5 7.4 115 GRAVE SPRINGS 8550 7.9 -M * 7.8 5.5 142 HANSEN SAWMILL 8760 4.5 3.7 122 5.0 4.2 119 LOST CREEK 8080 9.3 6.5 143 10.0 6.4 156 MIDDLE POWDER 7760 10.3 6.4 161 9.3 6.5 143 POWDER RIVER PASS 9480 -M 5.7 * 7.6 6.2 123 SUCKER CREEK 8880 9.3 5.8 160 8.6 7.1 121 TIE CREEK 6870 5.2 -M * 7.5 5.8 129 ----- ----- Basin wide percent of average 139 129 BELLE FOURCHE BLIND PARK 6890 7.7 5.9 131 11.0 5.2 212 NORTH RAPID CREEK 6130 7.9 -M * 10.4 -M * WARREN PEAK 6520 12.1 5.9 205 7.6 4.3 177 ----- ----- Basin wide percent of average 168 196 UPPER N. PLATTE RIVER COLUMBINE 9400 15.8 11.7 135 17.3 12.4 140 DIVIDE PEAK 8800 16.0 10.7 150 16.3 13.1 124 ELK RIVER 8700 16.5 9.4 176 16.0 9.9 162 JOE WRIGHT 10120 14.2 11.5 123 17.4 13.0 134 NORTH FRENCH CREEK 10100 21.5 12.8 168 19.3 12.1 160 OLD BATTLE 10000 27.2 16.5 165 26.8 15.7 171 SOUTH BRUSH CREEK 8400 10.3 5.5 187 11.3 10.1 112 TOWER 10500 35.8 23.6 152 28.8 18.8 153 WEBBER SPRINGS 9200 20.7 13.8 150 23.4 14.2 165 WILLOW CREEK PASS 9540 11.9 6.2 192 9.3 6.6 141 ----- ----- Basin wide percent of average 156 148 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 21.4 13.3 161 16.0 9.6 167 CASPER MTN. 7900 12.8 7.9 162 12.4 7.5 165 CHRISTINA LAKE 9980 13.5 8.4 161 15.6 9.1 171 DEADMAN HILL 10220 9.4 8.9 106 10.5 8.2 128 LAPRELE CREEK 8320 9.6 5.3 181 9.1 5.8 157 RENO HILL 8400 11.2 6.9 162 12.1 10.2 119 ROACH 9700 14.6 8.7 168 14.5 11.4 127 SAND LAKE 10080 22.9 17.0 135 17.9 10.4 172 SOUTH PASS 9040 18.0 9.3 194 17.4 8.8 198 WINDY PEAK 7840 6.3 3.6 175 7.0 4.6 152 ----- ----- Basin wide percent of average 156 155 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 9.3 5.7 163 12.0 8.5 141 DIVIDE PEAK 8800 16.0 10.7 150 16.3 13.1 124 OLD BATTLE 10000 27.2 16.5 165 26.8 15.7 171 SANDSTONE RS 8150 12.2 7.2 169 15.0 10.2 147 WHISKEY PARK 8950 23.1 14.5 159 18.5 14.2 130 ----- ----- Basin wide percent of average 161 144 UPPER GREEN RIVER BIG SANDY OPENING 9100 13.0 7.2 181 12.2 9.3 131 BLIND BULL SUM 8650 27.6 14.6 189 20.7 12.6 164 EAST RIM DIVIDE 7930 11.1 6.8 163 12.0 8.6 140 ELKHART PARK G.S. 9400 13.4 6.8 197 13.7 9.1 151 GROS VENTRE SUMMIT 8775 15.2 8.1 188 13.5 9.0 150 KENDALL R.S. 7740 17.4 7.3 238 17.5 8.8 199 LOOMIS PARK 8240 15.7 8.5 185 17.8 10.7 166 NEW FORK LAKE 8340 10.9 5.6 195 9.9 8.3 119 SNIDER BASIN 8250 14.9 7.2 207 13.5 8.6 157 SPRING CREEK DIVIDE 9000 24.5 13.6 180 20.1 15.1 133 TRIPLE PEAK 8500 24.3 12.9 188 24.3 17.7 137 ----- ----- Basin wide percent of average 191 149 LOWER GREEN RIVER HAMS FORK 7840 11.3 5.6 202 10.0 7.6 132 HEWINTA 9500 7.7 4.7 164 8.7 7.0 124 HICKERSON PARK 9150 4.6 2.9 159 5.6 5.1 110 HOLE-IN-ROCK 9150 5.1 2.6 196 6.1 5.1 120 INDIAN CREEK 9425 25.8 13.7 188 19.6 14.3 137 KELLEY R.S. 8180 17.1 7.9 216 20.3 10.6 192 STEEL CREEK PARK 10100 9.8 8.0 123 9.7 7.3 133 ----- ----- Basin wide percent of average 179 140 UPPER BEAR RIVER BUG LAKE 7950 21.1 10.1 209 20.9 10.5 199 HAYDEN FORK 9400 12.3 8.0 154 16.5 9.7 170 KELLEY R.S. 8180 17.1 7.9 216 20.3 10.6 192 LILY LAKE 9050 11.8 6.8 174 12.5 7.9 158 MONTE CRISTO 8960 26.3 13.1 201 22.5 13.5 167 SALT RIVER SUMMIT 7600 14.7 6.3 233 16.2 9.6 169 TRIAL LAKE 9960 22.7 12.6 180 -M 12.2 * ----- ----- Basin wide percent of average 194 176 ----------------------------------------------------------------------------- -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.