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 FRIDAY: JULY 16 , 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* 34.5 30.4 114 COTTONWOOD CREEK 7600 .2 .0 * 41.2 33.8 122 GRANITE CREEK 6770 .3 .0 * 31.9 33.0 97 GRASSY LAKE 7265 .0 .0 100* 55.8 50.2 112 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.7 22.4 106 LEWIS LAKE DIVIDE 7860 .0 .0 100* 51.3 50.9 101 PHILLIPS BENCH 8200 .3 .0 * 41.8 40.2 105 SALT RIVER SUMMIT 7600 .2 .0 * 27.4 23.7 116 SNAKE RIVER STATION 6920 .0 .0 100* 35.8 35.3 102 SPRING CREEK DIVIDE 9000 .0 .0 100* 40.8 36.3 113 THUMB DIVIDE 7980 .0 .0 100* 31.9 28.4 112 TOGWOTEE PASS 9580 .0 .0 100* 39.8 38.3 105 TWO OCEAN PLATEAU 9360 .2 .0 * 43.3 41.8 104 WILLOW CREEK 8450 .0 .0 100* 55.0 43.3 128 ----- ----- Basin wide percent of average * 110 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .0 .0 100* 32.4 28.7 114 BLACK BEAR 7950 .0 .0 100* 65.5 55.5 119 CANYON 7940 .0 .0 100* 27.2 22.4 121 FISHER CREEK 9100 .2 .0 * 50.2 52.3 96 MADISON PLATEAU 7750 -M .0 * 42.7 37.3 115 NORTHEAST ENTRANCE 7350 .0 .0 100* 21.4 20.2 107 PARKER PEAK 9400 .0 .7 0* 31.2 25.9 121 SYLVAN LAKE 8420 -M .0 * -M 30.9 * THUMB DIVIDE 7980 .0 .0 100* 31.9 28.4 112 TWO OCEAN PLATEAU 9360 .2 .0 * 43.3 41.8 104 WHISKEY CREEK 6800 .0 .0 100* 34.8 31.7 111 WHITE MILL 8700 -M .0 * -M 41.0 * WOLVERINE 7650 .0 .0 100* 19.2 21.7 89 ----- ----- Basin wide percent of average 0* 110 WIND RIVER BURROUGHS CREEK 8750 .3 .0 * 27.5 25.0 111 COLD SPRINGS 9630 .0 .0 100* 26.9 19.0 142 DEER PARK 9700 .2 -M * 38.4 -M * HOBBS PARK 10100 .0 .0 100* 32.3 24.0 135 LITTLE WARM 9620 .0 .0 100* 28.7 22.2 129 SOUTH PASS 9040 -M .0 * -M 27.2 * ST. LAWRENCE ALT 8620 .2 .0 * 23.9 17.7 136 TOGWOTEE PASS 9580 .0 .0 100* 39.8 38.3 105 TOWNSEND CREEK 8700 .2 .0 * 29.2 21.7 135 ----- ----- Basin wide percent of average * 125 BIGHORN BASIN BALD MTN. 9375 .0 .0 100* 29.9 28.7 105 BEAR TRAP MEADOW 7900 .0 .0 100* 21.7 17.2 127 BLACKWATER 9780 .0 .3 0* 35.8 29.4 122 BONE SPRINGS DIV 9350 -M .0 * 30.0 26.4 115 EVENING STAR 9200 .0 .5 0* 47.0 35.9 131 GRAVE SPRINGS 8550 .2 .0 * 21.9 20.0 110 KIRWIN 9550 .0 .0 100* 25.2 20.2 126 MARQUETTE 8760 .0 .0 100* 25.7 21.0 122 MIDDLE POWDER 7760 .0 .0 100* 28.4 21.9 130 OWL CREEK 8975 .0 .0 100* 20.2 13.6 149 POWDER RIVER PASS 9480 .0 .0 100* 26.5 21.7 123 SHELL CREEK 9580 .0 .0 100* 26.4 24.2 110 SYLVAN LAKE 8420 -M .0 * -M 30.9 * SYLVAN ROAD 8120 -M .0 * -M 26.2 * TIMBER CREEK 7950 .2 .0 * 20.7 16.9 123 YOUNTS PEAK 8350 .3 .0 * 27.5 25.9 107 ----- ----- Basin wide percent of average 0* 120 SHOSHONE RIVER BLACKWATER 9780 .0 .3 0* 35.8 29.4 122 EVENING STAR 9200 .0 .5 0* 47.0 35.9 131 KIRWIN 9550 .0 .0 100* 25.2 20.2 126 MARQUETTE 8760 .0 .0 100* 25.7 21.0 122 SYLVAN LAKE 8420 -M .0 * -M 30.9 * SYLVAN ROAD 8120 -M .0 * -M 26.2 * YOUNTS PEAK 8350 .3 .0 * 27.5 25.9 107 ----- ----- Basin wide percent of average 0* 122 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 21.7 17.2 127 BIG GOOSE 7990 .0 -M * 22.7 -M * BONE SPRINGS DIV 9350 -M .0 * 30.0 26.4 115 BURGESS JUNCTION 7880 .0 .0 100* 21.7 21.2 103 CLOUD PEAK RESERVOIR 9860 .0 .0 100* 28.9 25.5 114 DOME LAKE 8880 .0 .0 100* 21.0 23.7 89 GRAVE SPRINGS 8550 .2 .0 * 21.9 20.0 110 HANSEN SAWMILL 8760 .2 .0 * 20.4 16.7 122 MIDDLE POWDER 7760 .0 .0 100* 28.4 21.9 130 POWDER RIVER PASS 9480 .0 .0 100* 26.5 21.7 123 SUCKER CREEK 8880 .5 .0 * 27.4 24.5 112 TIE CREEK 6870 .3 -M * 23.7 20.4 117 ----- ----- Basin wide percent of average * 114 BELLE FOURCHE BLIND PARK 6890 .2 .0 * 27.5 23.4 118 NORTH RAPID CREEK 6130 .0 -M * 25.9 -M * WARREN PEAK 6520 .0 .0 100* 27.4 17.7 155 ----- ----- Basin wide percent of average * 134 UPPER N. PLATTE RIVER COLUMBINE 9400 .2 .0 * 33.5 33.3 101 DIVIDE PEAK 8800 .0 .0 100* 36.8 32.9 112 ELK RIVER 8700 .0 .0 100* 31.9 27.0 118 JOE WRIGHT 10120 .0 .0 100* 40.2 38.9 104 NORTH FRENCH CREEK 10100 .0 .0 100* 42.8 35.3 121 OLD BATTLE 10000 .0 .0 100* 53.9 42.8 126 SOUTH BRUSH CREEK 8400 5.8 .0 * 29.4 26.7 110 TOWER 10500 .0 .0 100* 55.3 52.7 106 WEBBER SPRINGS 9200 .0 .0 100* 39.4 36.7 108 WILLOW CREEK PASS 9540 .0 .0 100* 19.5 21.4 92 ----- ----- Basin wide percent of average * 111 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 3.2 .0 * 36.4 29.9 123 CASPER MTN. 7900 .3 .0 * 28.2 26.4 108 DEADMAN HILL 10220 .0 .0 100* 27.4 27.9 98 DEER PARK 9700 .2 -M * 38.4 -M * LAPRELE CREEK 8320 .0 .0 100* 27.0 21.4 127 RENO HILL 8400 .0 .0 100* 30.7 27.7 111 ROACH 9700 .0 .0 100* 30.7 33.3 92 SAND LAKE 10080 .0 .0 100* 45.2 31.5 144 SOUTH PASS 9040 -M .0 * -M 27.2 * WINDY PEAK 7840 .0 .0 100* 23.9 19.0 126 ----- ----- Basin wide percent of average * 115 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 25.2 22.4 113 DIVIDE PEAK 8800 .0 .0 100* 36.8 32.9 112 OLD BATTLE 10000 .0 .0 100* 53.9 42.8 126 SANDSTONE RS 8150 .0 .0 100* 30.0 27.9 108 WHISKEY PARK 8950 .0 .0 100* 42.8 40.5 106 ----- ----- Basin wide percent of average * 114 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 23.7 22.9 104 BLIND BULL SUM 8650 .2 .0 * 32.8 31.7 104 EAST RIM DIVIDE 7930 .0 .0 100* 21.0 21.4 99 ELKHART PARK G.S. 9400 .3 .0 * 24.2 22.5 108 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.7 22.4 106 KENDALL R.S. 7740 .0 .0 100* 22.7 21.9 104 LOOMIS PARK 8240 .0 .0 100* 28.4 26.5 107 NEW FORK LAKE 8340 .0 .0 100* 20.7 20.4 102 SNIDER BASIN 8250 .0 .0 100* 26.7 21.4 125 SPRING CREEK DIVIDE 9000 .0 .0 100* 40.8 36.3 113 TRIPLE PEAK 8500 .0 .0 100* 43.2 42.2 103 ----- ----- Basin wide percent of average * 107 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 21.2 18.9 113 HEWINTA 9500 .0 .0 100* 22.9 21.9 105 HICKERSON PARK 9150 .3 .0 * 18.4 18.2 102 HOLE-IN-ROCK 9150 .0 .0 100* 18.9 18.2 104 INDIAN CREEK 9425 .0 .0 100* 38.4 35.0 110 KELLEY R.S. 8180 .0 .0 100* 28.5 26.4 108 STEEL CREEK PARK 10100 .0 .0 100* 27.7 24.7 113 ----- ----- Basin wide percent of average * 108 UPPER BEAR RIVER BUG LAKE 7950 -M .0 * 32.0 26.7 120 HAYDEN FORK 9400 .0 .0 100* 31.7 29.4 109 KELLEY R.S. 8180 .0 .0 100* 28.5 26.4 108 LILY LAKE 9050 .0 .0 100* 28.4 23.9 119 MONTE CRISTO 8960 -M .0 * 41.9 36.3 116 SALT RIVER SUMMIT 7600 .2 .0 * 27.4 23.7 116 TRIAL LAKE 9960 .0 .0 100* 34.7 34.7 100 ----- ----- Basin wide percent of average * 112 ----------------------------------------------------------------------------- -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.