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: JANUARY 4 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 18.3 8.4 218 22.6 11.7 193 COTTONWOOD CREEK 7600 17.8 9.4 189 19.2 12.4 155 GRANITE CREEK 6770 20.2 7.8 259 22.3 12.3 181 GRASSY LAKE 7265 29.1 15.2 191 32.9 19.0 173 GROS VENTRE SUMMIT 8775 15.0 7.3 205 13.6 8.3 164 LEWIS LAKE DIVIDE 7860 34.2 14.7 233 35.6 19.3 184 PHILLIPS BENCH 8200 26.4 12.3 215 27.6 15.0 184 SALT RIVER SUMMIT 7600 13.8 5.5 251 15.8 8.9 178 SNAKE RIVER STATION 6920 15.8 8.1 195 22.2 13.4 166 SPRING CREEK DIVIDE 9000 24.0 12.3 195 20.0 13.9 144 THUMB DIVIDE 7980 21.9 7.6 288 20.7 11.0 188 TOGWOTEE PASS 9580 22.0 11.7 188 21.3 14.4 148 TWO OCEAN PLATEAU 9360 29.7 13.2 225 28.4 16.2 175 WILLOW CREEK 8450 26.6 13.7 194 26.0 16.3 160 ----- ----- Basin wide percent of average 214 171 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 23.0 12.0 192 19.5 8.8 222 BLACK BEAR 7950 -M 16.5 * -M 18.1 * CANYON 7940 15.8 5.6 282 16.8 7.2 233 FISHER CREEK 9100 37.6 16.5 228 31.7 16.8 189 MADISON PLATEAU 7750 27.4 10.7 256 25.3 12.2 207 NORTHEAST ENTRANCE 7350 7.0 4.3 163 12.8 6.0 213 PARKER PEAK 9400 20.0 11.0 182 13.9 7.9 176 SYLVAN LAKE 8420 19.7 11.2 176 20.3 10.1 201 THUMB DIVIDE 7980 21.9 7.6 288 20.7 11.0 188 TWO OCEAN PLATEAU 9360 29.7 13.2 225 28.4 16.2 175 WHISKEY CREEK 6800 16.0 7.4 216 21.9 10.2 215 WHITE MILL 8700 25.3 12.0 211 13.3 13.4 99 WOLVERINE 7650 9.9 5.5 180 10.0 6.6 152 ----- ----- Basin wide percent of average 216 186 WIND RIVER BURROUGHS CREEK 8750 16.7 7.4 226 16.8 8.4 200 CHRISTINA LAKE 9980 13.2 7.8 169 15.6 8.6 181 COLD SPRINGS 9630 6.6 4.6 143 7.5 5.6 134 HOBBS PARK 10100 11.6 8.0 145 9.0 7.1 127 LITTLE WARM 9620 12.0 5.3 226 13.0 6.8 191 SOUTH PASS 9040 16.7 8.6 194 16.9 8.3 204 ST. LAWRENCE ALT 8620 5.0 3.4 147 6.0 5.1 118 TOGWOTEE PASS 9580 22.0 11.7 188 21.3 14.4 148 TOWNSEND CREEK 8700 6.2 4.7 132 7.3 6.0 122 ----- ----- Basin wide percent of average 179 161 BIGHORN BASIN BALD MTN. 9375 11.4 10.6 108 9.1 9.0 101 BEAR TRAP MEADOW 7900 4.2 3.8 111 4.4 4.4 100 BLACKWATER 9780 24.8 10.3 241 17.8 9.1 196 BONE SPRINGS DIV 9350 10.5 8.1 130 9.1 7.1 128 EVENING STAR 9200 27.1 13.4 202 24.9 11.2 222 GRAVE SPRINGS 8550 6.9 -M * 6.8 5.2 131 KIRWIN 9550 10.7 5.3 202 11.6 5.4 215 LOST CREEK 8080 8.0 6.0 133 8.6 6.0 143 MARQUETTE 8760 6.9 3.9 177 7.1 4.8 148 MIDDLE POWDER 7760 8.4 5.9 142 7.7 6.2 124 OWL CREEK 8975 4.6 2.0 230 3.9 2.9 134 POWDER RIVER PASS 9480 5.7 5.3 108 6.8 5.8 117 SHELL CREEK 9580 10.3 7.8 132 7.6 6.6 115 SYLVAN LAKE 8420 19.7 11.2 176 20.3 10.1 201 SYLVAN ROAD 8120 12.4 6.1 203 18.4 8.3 222 TIMBER CREEK 7950 3.8 2.5 152 4.2 3.4 124 YOUNTS PEAK 8350 15.8 9.2 172 18.3 8.3 220 ----- ----- Basin wide percent of average 165 164 SHOSHONE RIVER BLACKWATER 9780 24.8 10.3 241 17.8 9.1 196 EVENING STAR 9200 27.1 13.4 202 24.9 11.2 222 KIRWIN 9550 10.7 5.3 202 11.6 5.4 215 MARQUETTE 8760 6.9 3.9 177 7.1 4.8 148 SYLVAN LAKE 8420 19.7 11.2 176 20.3 10.1 201 SYLVAN ROAD 8120 12.4 6.1 203 18.4 8.3 222 YOUNTS PEAK 8350 15.8 9.2 172 18.3 8.3 220 ----- ----- Basin wide percent of average 198 207 POWDER-TONGUE BEAR TRAP MEADOW 7900 4.2 3.8 111 4.4 4.4 100 BONE SPRINGS DIV 9350 10.5 8.1 130 9.1 7.1 128 BURGESS JUNCTION 7880 7.4 5.7 130 7.4 5.7 130 CLOUD PEAK RESERVOIR 9860 10.2 5.8 176 8.6 6.3 137 DOME LAKE 8880 7.3 6.6 111 7.5 7.1 106 GRAVE SPRINGS 8550 6.9 -M * 6.8 5.2 131 HANSEN SAWMILL 8760 4.2 3.4 124 4.7 4.0 118 LOST CREEK 8080 8.0 6.0 133 8.6 6.0 143 MIDDLE POWDER 7760 8.4 5.9 142 7.7 6.2 124 POWDER RIVER PASS 9480 5.7 5.3 108 6.8 5.8 117 SUCKER CREEK 8880 8.1 5.4 150 7.7 6.7 115 TIE CREEK 6870 4.4 -M * 6.4 5.5 116 ----- ----- Basin wide percent of average 132 122 BELLE FOURCHE BLIND PARK 6890 6.7 5.5 122 10.5 4.9 214 NORTH RAPID CREEK 6130 7.1 -M * 9.5 -M * WARREN PEAK 6520 10.3 5.5 187 7.0 4.0 175 ----- ----- Basin wide percent of average 155 197 UPPER N. PLATTE RIVER COLUMBINE 9400 14.6 10.4 140 17.2 11.3 152 DIVIDE PEAK 8800 15.2 9.9 154 15.9 12.3 129 ELK RIVER 8700 15.2 8.6 177 14.8 9.2 161 JOE WRIGHT 10120 13.2 10.8 122 16.6 12.1 137 NORTH FRENCH CREEK 10100 19.1 11.9 161 18.0 11.3 159 OLD BATTLE 10000 25.8 15.4 168 26.8 14.7 182 SOUTH BRUSH CREEK 8400 9.3 5.0 186 10.2 10.0 102 TOWER 10500 34.1 22.4 152 28.4 17.4 163 WEBBER SPRINGS 9200 20.1 12.7 158 23.3 13.5 173 WILLOW CREEK PASS 9540 11.3 5.9 192 8.9 6.3 141 ----- ----- Basin wide percent of average 157 152 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 20.2 12.4 163 15.8 8.9 178 CASPER MTN. 7900 12.0 7.6 158 11.4 7.2 158 CHRISTINA LAKE 9980 13.2 7.8 169 15.6 8.6 181 DEADMAN HILL 10220 8.7 8.2 106 10.0 7.7 130 LAPRELE CREEK 8320 9.0 4.9 184 8.4 5.3 158 RENO HILL 8400 10.7 6.4 167 11.4 9.9 115 ROACH 9700 14.3 8.0 179 14.1 10.6 133 SAND LAKE 10080 21.5 15.7 137 17.0 9.7 175 SOUTH PASS 9040 16.7 8.6 194 16.9 8.3 204 WINDY PEAK 7840 6.1 3.4 179 7.0 4.3 163 ----- ----- Basin wide percent of average 160 159 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 9.4 5.2 181 10.9 7.8 140 DIVIDE PEAK 8800 15.2 9.9 154 15.9 12.3 129 OLD BATTLE 10000 25.8 15.4 168 26.8 14.7 182 SANDSTONE RS 8150 11.3 6.5 174 14.0 9.4 149 WHISKEY PARK 8950 20.9 13.4 156 18.3 12.6 145 ----- ----- Basin wide percent of average 164 151 UPPER GREEN RIVER BIG SANDY OPENING 9100 12.9 6.4 202 12.2 8.6 142 BLIND BULL SUM 8650 27.4 13.2 208 20.6 11.5 179 EAST RIM DIVIDE 7930 11.2 6.1 184 11.9 7.9 151 ELKHART PARK G.S. 9400 13.3 6.1 218 13.6 8.4 162 GROS VENTRE SUMMIT 8775 15.0 7.3 205 13.6 8.3 164 KENDALL R.S. 7740 17.6 6.4 275 17.1 8.1 211 LOOMIS PARK 8240 17.3 7.5 231 17.6 9.9 178 NEW FORK LAKE 8340 10.9 4.9 222 9.9 7.6 130 SNIDER BASIN 8250 14.7 6.4 230 13.3 7.9 168 SPRING CREEK DIVIDE 9000 24.0 12.3 195 20.0 13.9 144 TRIPLE PEAK 8500 23.9 11.6 206 24.1 16.3 148 ----- ----- Basin wide percent of average 213 160 LOWER GREEN RIVER HAMS FORK 7840 11.1 4.7 236 9.7 7.0 139 HEWINTA 9500 7.1 4.2 169 8.4 6.6 127 HICKERSON PARK 9150 3.6 2.7 133 5.3 4.9 108 HOLE-IN-ROCK 9150 4.9 2.4 204 5.7 4.9 116 INDIAN CREEK 9425 24.7 12.3 201 19.5 13.2 148 KELLEY R.S. 8180 16.6 7.1 234 20.2 9.8 206 STEEL CREEK PARK 10100 9.3 7.5 124 9.3 7.0 133 ----- ----- Basin wide percent of average 189 146 UPPER BEAR RIVER BUG LAKE 7950 21.4 9.3 230 20.8 9.8 212 HAYDEN FORK 9400 12.3 7.2 171 15.9 9.1 175 KELLEY R.S. 8180 16.6 7.1 234 20.2 9.8 206 LILY LAKE 9050 11.5 6.4 180 12.0 7.4 162 MONTE CRISTO 8960 25.8 11.7 221 22.0 12.7 173 SALT RIVER SUMMIT 7600 13.8 5.5 251 15.8 8.9 178 TRIAL LAKE 9960 22.1 11.4 194 -M 11.4 * ----- ----- Basin wide percent of average 211 185 ----------------------------------------------------------------------------- -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.