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: AUGUST 5 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .3 .0 * 48.5 31.1 156 COTTONWOOD CREEK 7600 .0 .0 100* 48.3 34.6 140 GRANITE CREEK 6770 .0 .0 100* 42.6 34.2 125 GRASSY LAKE 7265 .0 .0 100* 71.7 51.5 139 GROS VENTRE SUMMIT 8775 .0 .0 100* 30.9 23.2 133 LEWIS LAKE DIVIDE 7860 .1 .0 * 72.0 52.3 138 PHILLIPS BENCH 8200 .1 .0 * 61.5 41.2 149 SALT RIVER SUMMIT 7600 .1 .0 * 34.0 24.6 138 SNAKE RIVER STATION 6920 .1 .0 * 49.7 36.1 138 SPRING CREEK DIVIDE 9000 .2 .0 * 43.5 37.2 117 THUMB DIVIDE 7980 .0 .0 100* 45.2 29.2 155 TOGWOTEE PASS 9580 .1 .0 * 51.6 39.2 132 TWO OCEAN PLATEAU 9360 -M .0 * 60.3 42.8 141 WILLOW CREEK 8450 .1 .0 * 65.9 44.3 149 ----- ----- Basin wide percent of average * 139 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .3 .0 * 42.2 29.8 142 BLACK BEAR 7950 -M .0 * 85.1 56.8 150 CANYON 7940 .4 .0 * -M 23.6 * FISHER CREEK 9100 .4 .0 * 68.4 54.0 127 MADISON PLATEAU 7750 .2 .0 * 52.6 38.3 137 NORTHEAST ENTRANCE 7350 .0 .0 100* 32.2 21.3 151 PARKER PEAK 9400 .2 .0 * 35.6 27.3 130 SYLVAN LAKE 8420 -M .0 * -M 32.4 * THUMB DIVIDE 7980 .0 .0 100* 45.2 29.2 155 TWO OCEAN PLATEAU 9360 -M .0 * 60.3 42.8 141 WHISKEY CREEK 6800 .5 .0 * 40.7 32.7 124 WHITE MILL 8700 -M .0 * 46.8 42.5 110 WOLVERINE 7650 .4 .0 * 24.9 23.0 108 ----- ----- Basin wide percent of average * 134 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* 36.9 26.0 142 CHRISTINA LAKE 9980 .0 .0 100* 32.3 27.9 116 COLD SPRINGS 9630 .2 .0 * 23.5 20.0 118 HOBBS PARK 10100 .0 .0 100* 23.9 25.1 95 LITTLE WARM 9620 .5 .0 * 31.2 23.4 133 SOUTH PASS 9040 .3 .0 * 31.7 28.2 112 ST. LAWRENCE ALT 8620 .0 .0 100* 21.2 18.5 115 TOGWOTEE PASS 9580 .1 .0 * 51.6 39.2 132 TOWNSEND CREEK 8700 .1 .0 * 23.3 22.5 104 ----- ----- Basin wide percent of average * 119 BIGHORN BASIN BALD MTN. 9375 .1 .0 * 35.7 29.7 120 BEAR TRAP MEADOW 7900 .1 .0 * 22.9 17.9 128 BLACKWATER 9780 .2 .0 * 43.9 31.2 141 BONE SPRINGS DIV 9350 .2 .0 * 31.6 27.7 114 EVENING STAR 9200 .2 .0 * 55.1 38.1 145 GRAVE SPRINGS 8550 .2 -M * 22.7 20.9 109 KIRWIN 9550 -M .0 * -M 21.9 * LOST CREEK 8080 -M .0 * -M 23.3 * MARQUETTE 8760 -M .0 * 27.3 22.3 122 MIDDLE POWDER 7760 .0 .0 100* 29.6 22.8 130 OWL CREEK 8975 .3 .0 * 17.1 14.6 117 POWDER RIVER PASS 9480 .3 .0 * 32.8 22.6 145 SHELL CREEK 9580 .1 .0 * 27.5 25.1 110 SYLVAN LAKE 8420 -M .0 * -M 32.4 * SYLVAN ROAD 8120 .4 .0 * -M 27.6 * TIMBER CREEK 7950 .3 .0 * 20.4 17.8 115 YOUNTS PEAK 8350 .4 .0 * 38.2 27.2 140 ----- ----- Basin wide percent of average * 127 SHOSHONE RIVER BLACKWATER 9780 .2 .0 * 43.9 31.2 141 EVENING STAR 9200 .2 .0 * 55.1 38.1 145 KIRWIN 9550 -M .0 * -M 21.9 * MARQUETTE 8760 -M .0 * 27.3 22.3 122 SYLVAN LAKE 8420 -M .0 * -M 32.4 * SYLVAN ROAD 8120 .4 .0 * -M 27.6 * YOUNTS PEAK 8350 .4 .0 * 38.2 27.2 140 ----- ----- Basin wide percent of average * 138 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .0 * 22.9 17.9 128 BONE SPRINGS DIV 9350 .2 .0 * 31.6 27.7 114 BURGESS JUNCTION 7880 .1 .0 * 26.8 22.2 121 CLOUD PEAK RESERVOIR 9860 .2 .0 * 32.2 26.6 121 DOME LAKE 8880 .1 .0 * 30.0 24.6 122 GRAVE SPRINGS 8550 .2 -M * 22.7 20.9 109 HANSEN SAWMILL 8760 .0 .0 100* 24.3 17.6 138 LOST CREEK 8080 -M .0 * -M 23.3 * MIDDLE POWDER 7760 .0 .0 100* 29.6 22.8 130 POWDER RIVER PASS 9480 .3 .0 * 32.8 22.6 145 SUCKER CREEK 8880 .1 .0 * 30.8 25.6 120 TIE CREEK 6870 .0 -M * 31.0 21.3 146 ----- ----- Basin wide percent of average * 126 BELLE FOURCHE BLIND PARK 6890 -M .0 * 30.1 24.8 121 NORTH RAPID CREEK 6130 .3 -M * 33.5 -M * WARREN PEAK 6520 .3 .0 * 33.4 18.8 178 ----- ----- Basin wide percent of average * 146 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 44.6 34.2 130 DIVIDE PEAK 8800 .0 .0 100* 33.8 33.8 100 ELK RIVER 8700 .1 .0 * 36.8 27.9 132 JOE WRIGHT 10120 .0 .0 100* 44.1 40.8 108 NORTH FRENCH CREEK 10100 .3 .0 * 43.5 36.4 120 OLD BATTLE 10000 .0 .0 100* 52.3 43.9 119 SOUTH BRUSH CREEK 8400 .0 .0 100* 27.3 27.7 99 TOWER 10500 .1 .0 * 67.9 53.9 126 WEBBER SPRINGS 9200 .0 .0 100* 45.6 37.6 121 WILLOW CREEK PASS 9540 .0 .0 100* 26.6 22.5 118 ----- ----- Basin wide percent of average * 118 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .0 100* 41.8 30.9 135 CASPER MTN. 7900 .0 .0 100* 30.8 27.3 113 CHRISTINA LAKE 9980 .0 .0 100* 32.3 27.9 116 DEADMAN HILL 10220 .0 .0 100* 29.7 29.3 101 LAPRELE CREEK 8320 .0 .0 100* 23.0 22.5 102 RENO HILL 8400 .0 .0 100* 31.0 28.6 108 ROACH 9700 .0 .0 100* 32.6 34.6 94 SAND LAKE 10080 .0 .0 100* 43.3 32.3 134 SOUTH PASS 9040 .3 .0 * 31.7 28.2 112 WINDY PEAK 7840 .1 .0 * 20.9 20.1 104 ----- ----- Basin wide percent of average * 113 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .4 .0 * 18.2 23.1 79 DIVIDE PEAK 8800 .0 .0 100* 33.8 33.8 100 OLD BATTLE 10000 .0 .0 100* 52.3 43.9 119 SANDSTONE RS 8150 .0 .0 100* 29.3 29.0 101 WHISKEY PARK 8950 .0 .0 100* 47.5 41.7 114 ----- ----- Basin wide percent of average * 106 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 23.4 23.7 99 BLIND BULL SUM 8650 .0 .0 100* 46.0 32.4 142 EAST RIM DIVIDE 7930 .0 .0 100* 25.2 22.1 114 ELKHART PARK G.S. 9400 .0 .0 100* 27.9 23.3 120 GROS VENTRE SUMMIT 8775 .0 .0 100* 30.9 23.2 133 KENDALL R.S. 7740 .1 .0 * 32.7 22.6 145 LOOMIS PARK 8240 .0 .0 100* 37.6 27.4 137 NEW FORK LAKE 8340 .0 .0 100* 21.1 21.1 100 SNIDER BASIN 8250 .2 .0 * 25.0 22.1 113 SPRING CREEK DIVIDE 9000 .2 .0 * 43.5 37.2 117 TRIPLE PEAK 8500 .1 .0 * 51.9 43.2 120 ----- ----- Basin wide percent of average * 122 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 22.8 19.4 118 HEWINTA 9500 .1 .0 * 24.0 23.0 104 HICKERSON PARK 9150 .0 .0 100* 17.4 19.2 91 HOLE-IN-ROCK 9150 .1 .0 * 18.2 19.2 95 INDIAN CREEK 9425 .0 .0 100* 41.8 35.9 116 KELLEY R.S. 8180 .1 .0 * 39.2 27.3 144 STEEL CREEK PARK 10100 -M .0 * 26.1 26.4 99 ----- ----- Basin wide percent of average * 111 UPPER BEAR RIVER BUG LAKE 7950 .2 .0 * 39.6 27.1 146 HAYDEN FORK 9400 .0 .0 100* 35.1 30.4 115 KELLEY R.S. 8180 .1 .0 * 39.2 27.3 144 LILY LAKE 9050 .0 .0 100* 29.2 24.8 118 MONTE CRISTO 8960 .5 .0 * 45.7 36.9 124 SALT RIVER SUMMIT 7600 .1 .0 * 34.0 24.6 138 TRIAL LAKE 9960 .1 .0 * 45.1 35.8 126 ----- ----- Basin wide percent of average * 129 ----------------------------------------------------------------------------- -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.