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 WEDNESDAY: MARCH 26 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 29.6 17.4 170 34.0 22.3 152 COTTONWOOD CREEK 7600 30.3 23.5 129 31.9 25.0 128 GRANITE CREEK 6770 28.3 18.2 155 32.5 23.4 139 GRASSY LAKE 7265 45.0 35.1 128 51.3 37.0 139 GROS VENTRE SUMMIT 8775 22.1 15.3 144 21.1 15.9 133 LEWIS LAKE DIVIDE 7860 51.4 34.7 148 46.0 37.6 122 PHILLIPS BENCH 8200 41.4 28.6 145 44.9 29.7 151 SALT RIVER SUMMIT 7600 21.7 14.1 154 23.3 16.9 138 SNAKE RIVER STATION 6920 28.0 18.4 152 35.7 25.9 138 SPRING CREEK DIVIDE 9000 34.3 27.4 125 32.3 27.3 118 THUMB DIVIDE 7980 31.0 16.7 186 -M 20.8 * TOGWOTEE PASS 9580 34.0 24.4 139 -M 28.2 * TWO OCEAN PLATEAU 9360 43.8 26.1 168 -M 30.7 * WILLOW CREEK 8450 41.0 29.8 138 40.1 32.1 125 ----- ----- Basin wide percent of average 146 134 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 34.7 23.1 150 30.0 17.6 170 BLACK BEAR 7950 -M 37.3 * -M 39.8 * CANYON 7940 23.7 12.7 187 26.0 14.0 186 FISHER CREEK 9100 55.2 35.0 158 -M 35.9 * MADISON PLATEAU 7750 41.0 24.1 170 41.7 25.8 162 NORTHEAST ENTRANCE 7350 12.2 9.1 134 19.1 11.6 165 PARKER PEAK 9400 30.8 21.2 145 -M 15.2 * SYLVAN LAKE 8420 31.5 21.6 146 32.0 18.7 171 THUMB DIVIDE 7980 31.0 16.7 186 -M 20.8 * TWO OCEAN PLATEAU 9360 43.8 26.1 168 -M 30.7 * WHISKEY CREEK 6800 25.0 17.0 147 31.1 21.4 145 WHITE MILL 8700 38.1 24.5 156 -M 27.8 * WOLVERINE 7650 14.3 11.5 124 15.3 12.5 122 ----- ----- Basin wide percent of average 157 161 WIND RIVER BURROUGHS CREEK 8750 23.6 14.7 161 25.5 16.2 157 CHRISTINA LAKE 9980 19.2 14.9 129 22.2 16.1 138 COLD SPRINGS 9630 10.3 8.2 126 11.8 10.2 116 HOBBS PARK 10100 16.9 14.5 117 13.2 13.6 97 LITTLE WARM 9620 17.5 11.2 156 19.5 12.8 152 SOUTH PASS 9040 25.3 16.0 158 24.3 16.5 147 ST. LAWRENCE ALT 8620 8.5 7.4 115 10.6 9.8 108 TOGWOTEE PASS 9580 34.0 24.4 139 -M 28.2 * TOWNSEND CREEK 8700 9.9 9.6 103 11.6 12.0 97 ----- ----- Basin wide percent of average 137 129 BIGHORN BASIN BALD MTN. 9375 21.4 19.9 108 17.9 16.8 107 BEAR TRAP MEADOW 7900 7.6 7.0 109 8.9 7.8 114 BLACKWATER 9780 37.2 21.6 172 28.3 17.5 162 BONE SPRINGS DIV 9350 18.1 15.9 114 16.0 14.4 111 EVENING STAR 9200 40.4 26.4 153 39.0 22.0 177 GRAVE SPRINGS 8550 11.6 -M * 10.6 9.2 115 KIRWIN 9550 14.4 9.6 150 15.5 10.4 149 LOST CREEK 8080 14.5 13.1 111 15.0 11.3 133 MARQUETTE 8760 11.0 7.8 141 11.5 9.0 128 MIDDLE POWDER 7760 16.0 11.7 137 14.0 11.3 124 OWL CREEK 8975 7.9 4.4 180 6.6 5.9 112 POWDER RIVER PASS 9480 10.8 10.5 103 13.1 11.1 118 SHELL CREEK 9580 17.0 14.6 116 14.2 12.6 113 SYLVAN LAKE 8420 31.5 21.6 146 32.0 18.7 171 SYLVAN ROAD 8120 20.0 12.4 161 26.2 15.7 167 TIMBER CREEK 7950 6.9 6.1 113 7.9 6.6 120 YOUNTS PEAK 8350 23.5 16.8 140 -M 16.2 * ----- ----- Basin wide percent of average 136 138 SHOSHONE RIVER BLACKWATER 9780 37.2 21.6 172 28.3 17.5 162 EVENING STAR 9200 40.4 26.4 153 39.0 22.0 177 KIRWIN 9550 14.4 9.6 150 15.5 10.4 149 MARQUETTE 8760 11.0 7.8 141 11.5 9.0 128 SYLVAN LAKE 8420 31.5 21.6 146 32.0 18.7 171 SYLVAN ROAD 8120 20.0 12.4 161 26.2 15.7 167 YOUNTS PEAK 8350 23.5 16.8 140 -M 16.2 * ----- ----- Basin wide percent of average 153 163 POWDER-TONGUE BEAR TRAP MEADOW 7900 7.6 7.0 109 8.9 7.8 114 BONE SPRINGS DIV 9350 18.1 15.9 114 16.0 14.4 111 BURGESS JUNCTION 7880 13.0 11.4 114 12.8 10.9 117 CLOUD PEAK RESERVOIR 9860 17.2 14.2 121 14.5 12.7 114 DOME LAKE 8880 12.5 13.3 94 13.7 12.7 108 GRAVE SPRINGS 8550 11.6 -M * 10.6 9.2 115 HANSEN SAWMILL 8760 7.3 6.9 106 8.0 7.5 107 LOST CREEK 8080 14.5 13.1 111 15.0 11.3 133 MIDDLE POWDER 7760 16.0 11.7 137 14.0 11.3 124 POWDER RIVER PASS 9480 10.8 10.5 103 13.1 11.1 118 SUCKER CREEK 8880 13.8 11.7 118 14.2 12.6 113 TIE CREEK 6870 7.4 -M * 11.7 10.5 111 ----- ----- Basin wide percent of average 113 116 BELLE FOURCHE BLIND PARK 6890 9.8 10.7 92 14.0 9.5 147 NORTH RAPID CREEK 6130 9.3 -M * 12.6 -M * WARREN PEAK 6520 16.8 10.7 157 -M 7.7 * ----- ----- Basin wide percent of average 124 147* UPPER N. PLATTE RIVER COLUMBINE 9400 28.5 24.4 117 29.8 23.7 126 DIVIDE PEAK 8800 25.3 20.4 124 23.9 22.0 109 ELK RIVER 8700 26.0 19.4 134 24.1 18.5 130 JOE WRIGHT 10120 23.6 21.2 111 27.5 24.1 114 NORTH FRENCH CREEK 10100 34.2 24.6 139 27.6 22.6 122 OLD BATTLE 10000 38.4 31.0 124 36.5 29.1 125 SOUTH BRUSH CREEK 8400 13.6 12.6 108 16.8 15.6 108 TOWER 10500 52.7 43.9 120 46.4 35.0 133 WEBBER SPRINGS 9200 30.2 27.1 111 34.7 24.3 143 WILLOW CREEK PASS 9540 16.9 11.5 147 14.0 12.1 116 ----- ----- Basin wide percent of average 123 124 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 34.7 25.1 138 26.1 18.6 140 CASPER MTN. 7900 20.4 15.6 131 19.0 13.4 142 CHRISTINA LAKE 9980 19.2 14.9 129 22.2 16.1 138 DEADMAN HILL 10220 15.4 16.0 96 17.5 16.0 109 LAPRELE CREEK 8320 14.5 10.2 142 13.9 11.3 123 RENO HILL 8400 21.7 13.7 158 18.7 18.3 102 ROACH 9700 23.0 16.8 137 21.0 20.4 103 SAND LAKE 10080 35.6 31.9 112 28.1 19.6 143 SOUTH PASS 9040 25.3 16.0 158 24.3 16.5 147 WINDY PEAK 7840 10.1 8.4 120 11.2 9.0 124 ----- ----- Basin wide percent of average 130 127 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 15.0 11.1 135 26.3 14.8 178 DIVIDE PEAK 8800 25.3 20.4 124 23.9 22.0 109 OLD BATTLE 10000 38.4 31.0 124 36.5 29.1 125 SANDSTONE RS 8150 18.1 14.5 125 21.7 18.0 121 WHISKEY PARK 8950 35.7 28.0 128 32.3 27.1 119 ----- ----- Basin wide percent of average 126 127 UPPER GREEN RIVER BIG SANDY OPENING 9100 18.9 14.2 133 18.8 16.2 116 BLIND BULL SUM 8650 41.3 28.8 143 32.6 23.9 136 EAST RIM DIVIDE 7930 16.7 13.7 122 17.0 15.1 113 ELKHART PARK G.S. 9400 18.3 13.5 136 18.2 15.9 114 GROS VENTRE SUMMIT 8775 22.1 15.3 144 21.1 15.9 133 KENDALL R.S. 7740 24.3 14.6 166 23.7 15.5 153 LOOMIS PARK 8240 -M 17.2 * 26.9 18.8 143 NEW FORK LAKE 8340 14.8 11.1 133 13.2 14.4 92 SNIDER BASIN 8250 23.1 14.6 158 19.1 15.1 126 SPRING CREEK DIVIDE 9000 34.3 27.4 125 32.3 27.3 118 TRIPLE PEAK 8500 36.6 25.2 145 36.8 31.0 119 ----- ----- Basin wide percent of average 140 124 LOWER GREEN RIVER HAMS FORK 7840 16.1 12.2 132 14.7 13.4 110 HEWINTA 9500 10.9 11.0 99 13.9 12.5 111 HICKERSON PARK 9150 8.2 6.5 126 9.2 9.1 101 HOLE-IN-ROCK 9150 7.8 6.1 128 9.6 9.1 105 INDIAN CREEK 9425 38.9 28.0 139 31.2 25.8 121 KELLEY R.S. 8180 23.6 16.8 140 25.8 18.7 138 STEEL CREEK PARK 10100 15.7 15.8 99 15.5 12.3 126 ----- ----- Basin wide percent of average 126 119 UPPER BEAR RIVER BUG LAKE 7950 33.3 20.5 162 29.3 18.9 155 HAYDEN FORK 9400 18.6 16.1 116 25.0 18.3 137 KELLEY R.S. 8180 23.6 16.8 140 25.8 18.7 138 LILY LAKE 9050 16.8 12.8 131 19.2 14.2 135 MONTE CRISTO 8960 38.2 28.7 133 32.7 24.8 132 SALT RIVER SUMMIT 7600 21.7 14.1 154 23.3 16.9 138 TRIAL LAKE 9960 34.7 24.5 142 34.4 23.2 148 ----- ----- Basin wide percent of average 140 141 ----------------------------------------------------------------------------- -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.