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 SUNDAY: MARCH 2 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 26.6 15.8 168 27.6 20.2 137 COTTONWOOD CREEK 7600 26.7 18.7 143 27.9 22.4 125 GRANITE CREEK 6770 26.9 15.5 174 22.3 21.2 105 GRASSY LAKE 7265 40.7 29.8 137 38.5 32.7 118 GROS VENTRE SUMMIT 8775 19.4 13.0 149 18.1 14.3 127 LEWIS LAKE DIVIDE 7860 48.1 29.7 162 -M 33.2 * PHILLIPS BENCH 8200 36.4 24.4 149 40.2 26.2 153 SALT RIVER SUMMIT 7600 20.0 12.2 164 21.4 15.2 141 SNAKE RIVER STATION 6920 25.6 16.3 157 32.7 22.9 143 SPRING CREEK DIVIDE 9000 32.2 23.5 137 -M 24.2 * THUMB DIVIDE 7980 28.6 14.4 199 -M 18.9 * TOGWOTEE PASS 9580 30.6 21.0 146 -M 24.8 * TWO OCEAN PLATEAU 9360 39.3 22.4 175 -M 27.8 * WILLOW CREEK 8450 33.1 26.0 127 36.9 28.7 129 ----- ----- Basin wide percent of average 154 130 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 31.5 20.0 158 -M 15.2 * BLACK BEAR 7950 -M 32.0 * -M 33.9 * CANYON 7940 21.7 10.8 201 23.3 12.2 191 FISHER CREEK 9100 49.6 30.5 163 -M 30.9 * MADISON PLATEAU 7750 37.0 20.8 178 34.7 22.0 158 NORTHEAST ENTRANCE 7350 11.3 8.2 138 17.3 10.3 168 PARKER PEAK 9400 28.2 18.1 156 -M 13.2 * SYLVAN LAKE 8420 28.0 18.6 151 -M 16.4 * THUMB DIVIDE 7980 28.6 14.4 199 -M 18.9 * TWO OCEAN PLATEAU 9360 39.3 22.4 175 -M 27.8 * WHISKEY CREEK 6800 22.7 14.6 155 -M 18.1 * WHITE MILL 8700 34.0 21.4 159 -M 24.0 * WOLVERINE 7650 14.8 10.2 145 14.1 11.1 127 ----- ----- Basin wide percent of average 165 161* WIND RIVER BURROUGHS CREEK 8750 21.7 13.2 164 -M 14.1 * CHRISTINA LAKE 9980 18.1 12.8 141 19.5 13.4 146 COLD SPRINGS 9630 9.1 7.1 128 10.1 8.5 119 HOBBS PARK 10100 15.2 12.2 125 11.9 11.3 105 LITTLE WARM 9620 14.7 9.3 158 16.4 10.9 150 SOUTH PASS 9040 23.8 14.1 169 22.3 13.9 160 ST. LAWRENCE ALT 8620 8.1 6.3 129 9.6 8.1 119 TOGWOTEE PASS 9580 30.6 21.0 146 -M 24.8 * TOWNSEND CREEK 8700 9.2 8.1 114 10.5 9.9 106 ----- ----- Basin wide percent of average 145 132 BIGHORN BASIN BALD MTN. 9375 19.4 17.1 113 16.2 14.2 114 BEAR TRAP MEADOW 7900 6.9 5.9 117 7.5 6.4 117 BLACKWATER 9780 33.0 18.2 181 24.8 15.3 162 BONE SPRINGS DIV 9350 15.9 13.5 118 14.4 11.8 122 EVENING STAR 9200 36.7 22.7 162 -M 19.1 * GRAVE SPRINGS 8550 10.0 -M * 9.5 7.5 127 KIRWIN 9550 13.3 8.2 162 14.7 8.7 169 LOST CREEK 8080 13.1 10.8 121 13.1 9.4 139 MARQUETTE 8760 9.6 6.6 145 9.8 7.2 136 MIDDLE POWDER 7760 12.7 9.8 130 11.7 9.3 126 OWL CREEK 8975 6.9 3.7 186 5.8 4.9 118 POWDER RIVER PASS 9480 12.3 8.9 138 11.7 9.5 123 SHELL CREEK 9580 15.4 12.7 121 12.7 10.7 119 SYLVAN LAKE 8420 28.0 18.6 151 -M 16.4 * SYLVAN ROAD 8120 18.8 11.3 166 24.6 13.7 180 TIMBER CREEK 7950 6.3 5.0 126 6.9 5.2 133 YOUNTS PEAK 8350 20.8 14.9 140 -M 14.0 * ----- ----- Basin wide percent of average 143 137 SHOSHONE RIVER BLACKWATER 9780 33.0 18.2 181 24.8 15.3 162 EVENING STAR 9200 36.7 22.7 162 -M 19.1 * KIRWIN 9550 13.3 8.2 162 14.7 8.7 169 MARQUETTE 8760 9.6 6.6 145 9.8 7.2 136 SYLVAN LAKE 8420 28.0 18.6 151 -M 16.4 * SYLVAN ROAD 8120 18.8 11.3 166 24.6 13.7 180 YOUNTS PEAK 8350 20.8 14.9 140 -M 14.0 * ----- ----- Basin wide percent of average 159 165 POWDER-TONGUE BEAR TRAP MEADOW 7900 6.9 5.9 117 7.5 6.4 117 BONE SPRINGS DIV 9350 15.9 13.5 118 14.4 11.8 122 BURGESS JUNCTION 7880 10.8 9.8 110 10.9 8.7 125 CLOUD PEAK RESERVOIR 9860 15.4 11.2 138 12.7 10.4 122 DOME LAKE 8880 10.2 11.4 89 11.9 10.5 113 GRAVE SPRINGS 8550 10.0 -M * 9.5 7.5 127 HANSEN SAWMILL 8760 6.6 5.8 114 6.9 6.1 113 LOST CREEK 8080 13.1 10.8 121 13.1 9.4 139 MIDDLE POWDER 7760 12.7 9.8 130 11.7 9.3 126 POWDER RIVER PASS 9480 12.3 8.9 138 11.7 9.5 123 SUCKER CREEK 8880 12.1 9.8 123 12.0 10.6 113 TIE CREEK 6870 7.4 -M * 9.9 8.3 119 ----- ----- Basin wide percent of average 120 122 BELLE FOURCHE BLIND PARK 6890 9.6 9.2 104 13.7 7.7 178 NORTH RAPID CREEK 6130 9.8 -M * 12.1 -M * WARREN PEAK 6520 16.1 9.2 175 -M 6.3 * ----- ----- Basin wide percent of average 140 178* UPPER N. PLATTE RIVER COLUMBINE 9400 27.5 21.2 130 26.8 20.6 130 DIVIDE PEAK 8800 22.8 16.9 135 22.1 18.8 118 ELK RIVER 8700 26.3 16.8 157 22.7 15.6 146 JOE WRIGHT 10120 20.8 17.6 118 25.8 20.4 126 NORTH FRENCH CREEK 10100 31.4 20.6 152 25.7 19.0 135 OLD BATTLE 10000 33.9 26.4 128 32.3 24.7 131 SOUTH BRUSH CREEK 8400 13.5 9.5 142 15.7 13.0 121 TOWER 10500 50.2 37.6 134 36.3 30.2 120 WEBBER SPRINGS 9200 28.8 22.5 128 32.1 20.8 154 WILLOW CREEK PASS 9540 16.3 9.3 175 13.0 10.0 130 ----- ----- Basin wide percent of average 137 131 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 30.3 20.1 151 23.7 15.6 152 CASPER MTN. 7900 18.2 12.4 147 17.0 10.9 156 CHRISTINA LAKE 9980 18.1 12.8 141 19.5 13.4 146 DEADMAN HILL 10220 14.4 13.6 106 15.9 13.1 121 LAPRELE CREEK 8320 13.6 8.5 160 12.8 9.2 139 RENO HILL 8400 19.1 10.9 175 16.4 14.7 112 ROACH 9700 19.6 14.1 139 20.0 17.4 115 SAND LAKE 10080 32.4 27.0 120 25.4 16.6 153 SOUTH PASS 9040 23.8 14.1 169 22.3 13.9 160 WINDY PEAK 7840 9.3 6.3 148 10.4 7.2 144 ----- ----- Basin wide percent of average 142 139 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 15.7 10.0 157 16.7 12.7 131 DIVIDE PEAK 8800 22.8 16.9 135 22.1 18.8 118 OLD BATTLE 10000 33.9 26.4 128 32.3 24.7 131 SANDSTONE RS 8150 19.1 12.3 155 20.7 15.5 134 WHISKEY PARK 8950 34.8 23.8 146 30.0 22.7 132 ----- ----- Basin wide percent of average 141 129 UPPER GREEN RIVER BIG SANDY OPENING 9100 17.2 12.2 141 16.0 14.6 110 BLIND BULL SUM 8650 37.0 24.5 151 -M 21.1 * EAST RIM DIVIDE 7930 15.1 12.1 125 15.5 13.7 113 ELKHART PARK G.S. 9400 16.6 11.5 144 16.6 14.4 115 GROS VENTRE SUMMIT 8775 19.4 13.0 149 18.1 14.3 127 KENDALL R.S. 7740 21.7 12.6 172 17.3 14.0 124 LOOMIS PARK 8240 -M 15.0 * 19.7 16.9 117 NEW FORK LAKE 8340 13.2 10.0 132 12.1 13.0 93 SNIDER BASIN 8250 21.0 12.9 163 17.7 13.7 129 SPRING CREEK DIVIDE 9000 32.2 23.5 137 -M 24.2 * TRIPLE PEAK 8500 31.5 21.9 144 32.9 28.0 118 ----- ----- Basin wide percent of average 146 116 LOWER GREEN RIVER HAMS FORK 7840 15.7 10.6 148 13.8 12.0 115 HEWINTA 9500 12.5 8.6 145 12.9 10.3 125 HICKERSON PARK 9150 9.3 5.1 182 8.3 7.3 114 HOLE-IN-ROCK 9150 7.5 4.6 163 9.0 7.3 123 INDIAN CREEK 9425 35.6 23.1 154 28.9 22.6 128 KELLEY R.S. 8180 21.9 14.3 153 24.4 16.9 144 STEEL CREEK PARK 10100 14.7 12.7 116 14.2 10.4 137 ----- ----- Basin wide percent of average 148 128 UPPER BEAR RIVER BUG LAKE 7950 29.8 17.1 174 27.0 16.0 169 HAYDEN FORK 9400 19.1 13.8 138 23.7 15.3 155 KELLEY R.S. 8180 21.9 14.3 153 24.4 16.9 144 LILY LAKE 9050 16.2 10.7 151 18.0 11.8 153 MONTE CRISTO 8960 38.0 23.7 160 30.6 21.0 146 SALT RIVER SUMMIT 7600 20.0 12.2 164 21.4 15.2 141 TRIAL LAKE 9960 33.9 21.4 158 32.4 19.8 164 ----- ----- Basin wide percent of average 158 153 ----------------------------------------------------------------------------- -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.