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 THURSDAY: JUNE 3 , 1999 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 100* 32.0 28.2 114 COTTONWOOD CREEK 7600 8.0 .0 * 38.7 31.4 124 GRANITE CREEK 6770 1.7 1.5 114* 29.7 30.0 99 GRASSY LAKE 7265 21.5 10.4 209 52.0 46.5 112 GROS VENTRE SUMMIT 8775 6.0 .0 * 21.4 20.4 105 LEWIS LAKE DIVIDE 7860 25.4 17.0 149 48.0 47.3 102 PHILLIPS BENCH 8200 19.9 15.1 132 38.9 37.3 105 SALT RIVER SUMMIT 7600 .3 .0 * 24.4 21.7 113 SNAKE RIVER STATION 6920 .2 .0 * 32.3 32.8 99 SPRING CREEK DIVIDE 9000 23.9 16.4 147 37.3 34.0 110 THUMB DIVIDE 7980 1.7 .0 * 29.4 26.4 112 TOGWOTEE PASS 9580 -M 22.2 * 36.9 35.5 104 TWO OCEAN PLATEAU 9360 34.4 21.7 160 38.9 38.7 101 WILLOW CREEK 8450 17.0 16.5 104 51.5 40.3 129 ----- ----- Basin wide percent of average 147* 109 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 22.4 18.0 124 29.2 25.2 116 BLACK BEAR 7950 48.7 25.7 190 62.4 50.9 123 CANYON 7940 .3 1.4 24* 24.2 19.2 127 FISHER CREEK 9100 37.3 30.4 124 45.7 47.3 97 MADISON PLATEAU 7750 -M 6.5 * 40.8 33.5 122 NORTHEAST ENTRANCE 7350 .0 .3 0* 19.0 16.7 114 PARKER PEAK 9400 17.0 17.7 97 -M 21.9 * SYLVAN LAKE 8420 19.2 13.0 147 37.2 26.7 140 THUMB DIVIDE 7980 1.7 .0 * 29.4 26.4 112 TWO OCEAN PLATEAU 9360 34.4 21.7 160 38.9 38.7 101 WHISKEY CREEK 6800 4.5 1.2 400* 31.7 27.9 114 WHITE MILL 8700 24.4 18.2 134 31.7 36.9 86 WOLVERINE 7650 .0 .0 100* 16.4 18.4 90 ----- ----- Basin wide percent of average 142 111 WIND RIVER BURROUGHS CREEK 8750 9.0 1.9 500 25.4 22.7 112 COLD SPRINGS 9630 7.3 .3 2434* 26.0 16.4 160 DEER PARK 9700 18.7 -M * 34.4 -M * HOBBS PARK 10100 20.9 8.5 246 30.5 21.2 145 LITTLE WARM 9620 7.3 .6 1201* 26.4 19.5 136 SOUTH PASS 9040 12.4 9.2 134 31.4 24.2 130 ST. LAWRENCE ALT 8620 .0 .2 0* 22.5 15.0 150 TOGWOTEE PASS 9580 -M 22.2 * 36.9 35.5 104 TOWNSEND CREEK 8700 2.7 1.7 163 27.0 18.9 144 ----- ----- Basin wide percent of average 269* 131 BIGHORN BASIN BALD MTN. 9375 20.4 17.4 118 26.9 25.5 106 BEAR TRAP MEADOW 7900 .0 .0 100* 19.5 14.1 139 BLACKWATER 9780 31.2 17.4 181 32.4 24.4 134 BONE SPRINGS DIV 9350 14.5 7.3 198 27.0 22.5 121 EVENING STAR 9200 30.0 24.0 125 42.8 30.2 142 GRAVE SPRINGS 8550 .0 1.9 0 20.2 16.5 123 KIRWIN 9550 11.5 4.5 254 23.2 16.4 142 MARQUETTE 8760 12.0 3.8 325 22.7 17.5 130 MIDDLE POWDER 7760 1.4 2.3 60 23.2 18.4 126 OWL CREEK 8975 .0 .2 0* 17.5 11.0 161 POWDER RIVER PASS 9480 1.7 1.2 142* 23.7 18.4 129 SHELL CREEK 9580 10.6 10.2 104 22.0 20.2 110 SYLVAN LAKE 8420 19.2 13.0 147 37.2 26.7 140 SYLVAN ROAD 8120 .0 .0 0* 23.9 22.2 109 TIMBER CREEK 7950 .5 .3 200* 19.7 14.0 141 YOUNTS PEAK 8350 13.0 8.1 160 24.2 22.5 108 ----- ----- Basin wide percent of average 148 127 SHOSHONE RIVER BLACKWATER 9780 31.2 17.4 181 32.4 24.4 134 EVENING STAR 9200 30.0 24.0 125 42.8 30.2 142 KIRWIN 9550 11.5 4.5 254 23.2 16.4 142 MARQUETTE 8760 12.0 3.8 325 22.7 17.5 130 SYLVAN LAKE 8420 19.2 13.0 147 37.2 26.7 140 SYLVAN ROAD 8120 .0 .0 0* 23.9 22.2 109 YOUNTS PEAK 8350 13.0 8.1 160 24.2 22.5 108 ----- ----- Basin wide percent of average 164 130 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 19.5 14.1 139 BIG GOOSE 7990 -M -M * 20.2 -M * BONE SPRINGS DIV 9350 14.5 7.3 198 27.0 22.5 121 BURGESS JUNCTION 7880 .3 2.0 15 19.2 17.9 108 CLOUD PEAK RESERVOIR 9860 13.9 7.6 182 26.9 21.7 125 DOME LAKE 8880 -M 3.5 * 18.7 20.4 92 GRAVE SPRINGS 8550 .0 1.9 0 20.2 16.5 123 HANSEN SAWMILL 8760 .0 .7 0* 18.4 13.4 139 MIDDLE POWDER 7760 1.4 2.3 60 23.2 18.4 126 POWDER RIVER PASS 9480 1.7 1.2 142* 23.7 18.4 129 SUCKER CREEK 8880 4.1 3.5 118 23.7 20.9 114 TIE CREEK 6870 .0 -M * 19.9 17.2 116 ----- ----- Basin wide percent of average 136 120 BELLE FOURCHE BLIND PARK 6890 .2 .0 * 22.5 18.5 122 NORTH RAPID CREEK 6130 .0 -M * 19.7 -M * WARREN PEAK 6520 .2 .2 100* -M 13.6 * ----- ----- Basin wide percent of average 100* 122* UPPER N. PLATTE RIVER COLUMBINE 9400 .0 2.4 0* 30.9 31.0 100 DIVIDE PEAK 8800 .0 2.7 0 33.3 30.9 108 ELK RIVER 8700 .0 .3 0* 31.4 24.7 127 JOE WRIGHT 10120 15.5 15.7 99 36.2 35.2 103 NORTH FRENCH CREEK 10100 32.3 19.2 169 40.8 32.5 126 OLD BATTLE 10000 31.0 21.9 142 50.3 39.8 127 SOUTH BRUSH CREEK 8400 7.0 .0 767* 27.7 23.5 118 TOWER 10500 44.8 42.0 107 52.3 49.7 106 WEBBER SPRINGS 9200 2.8 9.2 30 36.4 33.9 108 WILLOW CREEK PASS 9540 .5 1.9 22 18.5 18.5 100 ----- ----- Basin wide percent of average 116 112 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 16.2 11.6 139 34.9 27.4 128 CASPER MTN. 7900 .3 3.3 7 24.7 23.2 107 DEADMAN HILL 10220 11.0 9.4 119 26.2 24.9 106 DEER PARK 9700 18.7 -M * 34.4 -M * LAPRELE CREEK 8320 .0 .0 0* 23.7 18.4 129 RENO HILL 8400 .0 2.7 0 27.9 24.5 114 ROACH 9700 -M 6.6 * 27.9 30.4 92 SAND LAKE 10080 46.3 23.2 200 -M 28.7 * SOUTH PASS 9040 12.4 9.2 134 31.4 24.2 130 WINDY PEAK 7840 .0 .0 100* 20.9 16.0 132 ----- ----- Basin wide percent of average 144 116 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 24.0 21.0 115 DIVIDE PEAK 8800 .0 2.7 0 33.3 30.9 108 OLD BATTLE 10000 31.0 21.9 142 50.3 39.8 127 SANDSTONE RS 8150 .0 .0 100* 27.7 26.2 106 WHISKEY PARK 8950 23.9 10.5 229 40.3 38.4 105 ----- ----- Basin wide percent of average 158 113 UPPER GREEN RIVER BIG SANDY OPENING 9100 .3 .0 * 20.5 20.9 99 BLIND BULL SUM 8650 26.4 15.5 171 29.9 29.7 101 EAST RIM DIVIDE 7930 3.5 6.0 59 19.2 19.4 99 ELKHART PARK G.S. 9400 3.8 3.8 98 21.9 20.4 107 GROS VENTRE SUMMIT 8775 6.0 .0 * 21.4 20.4 105 KENDALL R.S. 7740 .3 .0 * 21.4 19.9 108 LOOMIS PARK 8240 -M .0 * 26.0 24.0 109 NEW FORK LAKE 8340 .3 .0 * 18.0 18.4 98 SNIDER BASIN 8250 .2 .0 * 23.7 19.4 123 SPRING CREEK DIVIDE 9000 23.9 16.4 147 37.3 34.0 110 TRIPLE PEAK 8500 12.9 12.6 102 40.0 39.0 103 ----- ----- Basin wide percent of average 130* 106 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 * 19.4 17.0 114 HEWINTA 9500 .0 .0 100* 21.2 19.2 111 HICKERSON PARK 9150 .3 .0 * 16.4 15.5 107 HOLE-IN-ROCK 9150 .0 .2 0* 16.9 15.5 110 INDIAN CREEK 9425 26.2 15.0 175 35.8 32.5 110 KELLEY R.S. 8180 .5 .0 * 26.0 24.0 109 STEEL CREEK PARK 10100 16.0 11.0 147 25.4 20.2 127 ----- ----- Basin wide percent of average 163* 113 UPPER BEAR RIVER BUG LAKE 7950 2.2 2.0 106* 30.4 25.0 122 HAYDEN FORK 9400 .5 .0 * 30.5 26.4 116 KELLEY R.S. 8180 .5 .0 * 26.0 24.0 109 LILY LAKE 9050 .0 .0 0* 26.9 21.4 127 MONTE CRISTO 8960 21.4 9.0 237 39.5 33.9 117 SALT RIVER SUMMIT 7600 .3 .0 * 24.4 21.7 113 TRIAL LAKE 9960 15.0 11.0 137 33.0 31.9 104 ----- ----- Basin wide percent of average 168* 115 ----------------------------------------------------------------------------- -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.