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 7 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 -M 8.8 * -M 12.2 * COTTONWOOD CREEK 7600 17.8 10.0 178 19.7 12.9 153 GRANITE CREEK 6770 -M 8.3 * -M 12.8 * GRASSY LAKE 7265 -M 16.1 * -M 19.8 * GROS VENTRE SUMMIT 8775 -M 7.7 * -M 8.7 * LEWIS LAKE DIVIDE 7860 34.3 15.7 218 35.6 20.1 177 PHILLIPS BENCH 8200 -M 13.1 * -M 15.7 * SALT RIVER SUMMIT 7600 14.0 5.9 237 15.6 9.2 170 SNAKE RIVER STATION 6920 15.9 8.6 185 -M 13.9 * SPRING CREEK DIVIDE 9000 24.1 12.9 187 19.9 14.5 137 THUMB DIVIDE 7980 22.3 8.1 275 20.7 11.4 182 TOGWOTEE PASS 9580 22.0 12.3 179 21.5 15.0 143 TWO OCEAN PLATEAU 9360 -M 13.8 * -M 16.9 * WILLOW CREEK 8450 -M 14.5 * -M 17.0 * ----- ----- Basin wide percent of average 205 160* UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 -M 12.4 * -M 9.2 * BLACK BEAR 7950 44.6 17.4 256 20.4 19.0 107 CANYON 7940 -M 5.9 * -M 7.5 * FISHER CREEK 9100 -M 17.4 * -M 17.7 * MADISON PLATEAU 7750 -M 11.3 * -M 12.8 * NORTHEAST ENTRANCE 7350 7.0 4.5 156 12.9 6.3 205 PARKER PEAK 9400 -M 11.4 * -M 8.2 * SYLVAN LAKE 8420 -M 11.7 * -M 10.5 * THUMB DIVIDE 7980 22.3 8.1 275 20.7 11.4 182 TWO OCEAN PLATEAU 9360 -M 13.8 * -M 16.9 * WHISKEY CREEK 6800 -M 7.9 * -M 10.6 * WHITE MILL 8700 -M 12.6 * -M 14.1 * WOLVERINE 7650 9.5 5.8 164 10.5 6.9 152 ----- ----- Basin wide percent of average 233* 148* WIND RIVER BURROUGHS CREEK 8750 16.5 7.8 212 16.9 8.7 194 CHRISTINA LAKE 9980 -M 8.1 * -M 8.9 * COLD SPRINGS 9630 -M 4.7 * -M 5.8 * HOBBS PARK 10100 -M 8.2 * -M 7.3 * LITTLE WARM 9620 12.0 5.5 218 13.2 7.0 189 SOUTH PASS 9040 -M 8.9 * -M 8.5 * ST. LAWRENCE ALT 8620 4.9 3.6 136 6.3 5.3 119 TOGWOTEE PASS 9580 22.0 12.3 179 21.5 15.0 143 TOWNSEND CREEK 8700 6.1 4.8 127 7.4 6.2 119 ----- ----- Basin wide percent of average 181 155 BIGHORN BASIN BALD MTN. 9375 11.7 11.0 106 9.3 9.3 100 BEAR TRAP MEADOW 7900 3.8 3.9 97 5.0 4.5 111 BLACKWATER 9780 -M 10.8 * -M 9.5 * BONE SPRINGS DIV 9350 -M 8.4 * -M 7.4 * EVENING STAR 9200 27.3 14.0 195 25.0 11.7 214 GRAVE SPRINGS 8550 6.9 -M * 7.0 5.4 130 KIRWIN 9550 -M 5.5 * -M 5.5 * LOST CREEK 8080 8.2 6.3 130 8.9 6.2 144 MARQUETTE 8760 6.6 4.1 161 7.1 4.9 145 MIDDLE POWDER 7760 8.6 6.2 139 8.0 6.3 127 OWL CREEK 8975 -M 2.1 * -M 3.0 * POWDER RIVER PASS 9480 -M 5.5 * -M 6.0 * SHELL CREEK 9580 -M 8.1 * -M 6.9 * SYLVAN LAKE 8420 -M 11.7 * -M 10.5 * SYLVAN ROAD 8120 12.4 6.3 197 18.7 8.6 217 TIMBER CREEK 7950 -M 2.7 * -M 3.5 * YOUNTS PEAK 8350 -M 9.6 * -M 8.6 * ----- ----- Basin wide percent of average 152* 156* SHOSHONE RIVER BLACKWATER 9780 -M 10.8 * -M 9.5 * EVENING STAR 9200 27.3 14.0 195 25.0 11.7 214 KIRWIN 9550 -M 5.5 * -M 5.5 * MARQUETTE 8760 6.6 4.1 161 7.1 4.9 145 SYLVAN LAKE 8420 -M 11.7 * -M 10.5 * SYLVAN ROAD 8120 12.4 6.3 197 18.7 8.6 217 YOUNTS PEAK 8350 -M 9.6 * -M 8.6 * ----- ----- Basin wide percent of average 190* 202* POWDER-TONGUE BEAR TRAP MEADOW 7900 3.8 3.9 97 5.0 4.5 111 BONE SPRINGS DIV 9350 -M 8.4 * -M 7.4 * BURGESS JUNCTION 7880 7.3 5.9 124 7.4 5.9 125 CLOUD PEAK RESERVOIR 9860 10.4 6.1 170 8.8 6.5 135 DOME LAKE 8880 -M 6.9 * -M 7.2 * GRAVE SPRINGS 8550 6.9 -M * 7.0 5.4 130 HANSEN SAWMILL 8760 4.3 3.6 119 4.8 4.1 117 LOST CREEK 8080 8.2 6.3 130 8.9 6.2 144 MIDDLE POWDER 7760 8.6 6.2 139 8.0 6.3 127 POWDER RIVER PASS 9480 -M 5.5 * -M 6.0 * SUCKER CREEK 8880 8.2 5.6 146 7.8 6.9 113 TIE CREEK 6870 4.4 -M * 6.5 5.7 114 ----- ----- Basin wide percent of average 135 125 BELLE FOURCHE BLIND PARK 6890 7.2 5.7 126 11.0 5.1 216 NORTH RAPID CREEK 6130 7.8 -M * 9.7 -M * WARREN PEAK 6520 -M 5.7 * -M 4.2 * ----- ----- Basin wide percent of average 126* 216* UPPER N. PLATTE RIVER COLUMBINE 9400 -M 11.1 * -M 11.9 * DIVIDE PEAK 8800 15.5 10.3 150 15.7 12.7 124 ELK RIVER 8700 15.2 9.0 169 14.7 9.5 155 JOE WRIGHT 10120 13.6 11.1 123 17.3 12.5 138 NORTH FRENCH CREEK 10100 19.4 12.3 158 18.3 11.7 156 OLD BATTLE 10000 26.0 15.9 164 26.5 15.2 174 SOUTH BRUSH CREEK 8400 -M 5.3 * -M 10.1 * TOWER 10500 -M 23.0 * -M 18.1 * WEBBER SPRINGS 9200 -M 13.3 * -M 13.9 * WILLOW CREEK PASS 9540 11.5 6.0 192 8.2 6.4 128 ----- ----- Basin wide percent of average 157 148 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 20.2 12.9 157 15.9 9.3 171 CASPER MTN. 7900 12.8 7.8 164 12.3 7.4 166 CHRISTINA LAKE 9980 -M 8.1 * -M 8.9 * DEADMAN HILL 10220 8.6 8.6 100 9.8 8.0 123 LAPRELE CREEK 8320 9.7 5.1 190 8.8 5.6 157 RENO HILL 8400 12.5 6.7 187 12.0 10.0 120 ROACH 9700 -M 8.4 * -M 11.0 * SAND LAKE 10080 21.7 16.3 133 17.2 10.1 170 SOUTH PASS 9040 -M 8.9 * -M 8.5 * WINDY PEAK 7840 6.2 3.5 177 6.7 4.4 152 ----- ----- Basin wide percent of average 151 151 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M 5.5 * -M 8.2 * DIVIDE PEAK 8800 15.5 10.3 150 15.7 12.7 124 OLD BATTLE 10000 26.0 15.9 164 26.5 15.2 174 SANDSTONE RS 8150 -M 6.8 * -M 9.8 * WHISKEY PARK 8950 21.0 14.0 150 18.0 13.4 134 ----- ----- Basin wide percent of average 155 146 UPPER GREEN RIVER BIG SANDY OPENING 9100 12.9 6.8 190 12.1 8.9 136 BLIND BULL SUM 8650 27.0 13.9 194 20.6 12.0 172 EAST RIM DIVIDE 7930 11.0 6.4 172 11.8 8.3 142 ELKHART PARK G.S. 9400 -M 6.5 * -M 8.7 * GROS VENTRE SUMMIT 8775 -M 7.7 * -M 8.7 * KENDALL R.S. 7740 17.4 6.8 256 17.2 8.5 202 LOOMIS PARK 8240 16.7 8.0 209 17.6 10.3 171 NEW FORK LAKE 8340 10.9 5.3 206 9.7 7.9 123 SNIDER BASIN 8250 14.4 6.8 212 13.2 8.3 159 SPRING CREEK DIVIDE 9000 24.1 12.9 187 19.9 14.5 137 TRIPLE PEAK 8500 -M 12.2 * -M 17.0 * ----- ----- Basin wide percent of average 201 155 LOWER GREEN RIVER HAMS FORK 7840 11.2 5.2 215 9.5 7.3 130 HEWINTA 9500 -M 4.4 * -M 6.8 * HICKERSON PARK 9150 4.8 2.8 171 5.4 5.0 108 HOLE-IN-ROCK 9150 4.8 2.5 192 5.8 5.0 116 INDIAN CREEK 9425 24.5 13.0 188 19.4 13.7 142 KELLEY R.S. 8180 16.6 7.5 221 20.2 10.2 198 STEEL CREEK PARK 10100 9.3 7.8 119 9.3 7.1 131 ----- ----- Basin wide percent of average 184 144 UPPER BEAR RIVER BUG LAKE 7950 21.1 9.7 218 20.6 10.1 204 HAYDEN FORK 9400 12.1 7.6 159 16.0 9.4 170 KELLEY R.S. 8180 16.6 7.5 221 20.2 10.2 198 LILY LAKE 9050 11.6 6.6 176 12.2 7.6 161 MONTE CRISTO 8960 25.7 12.4 207 22.2 13.1 169 SALT RIVER SUMMIT 7600 14.0 5.9 237 15.6 9.2 170 TRIAL LAKE 9960 22.2 12.0 185 -M 11.8 * ----- ----- Basin wide percent of average 200 179 ----------------------------------------------------------------------------- -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.