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 MONDAY: JULY 5 , 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* 34.4 29.9 116 COTTONWOOD CREEK 7600 .0 .0 100* 40.8 33.2 123 GRANITE CREEK 6770 .2 .0 * 31.9 32.4 99 GRASSY LAKE 7265 .0 .0 100* 56.0 49.3 114 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.4 21.9 107 LEWIS LAKE DIVIDE 7860 .0 .0 100* 51.3 50.2 103 PHILLIPS BENCH 8200 .3 .0 * 41.7 39.5 106 SALT RIVER SUMMIT 7600 .2 .0 * 26.2 23.2 113 SNAKE RIVER STATION 6920 .0 .0 100* 35.3 34.7 102 SPRING CREEK DIVIDE 9000 .0 .0 100* 39.8 35.8 112 THUMB DIVIDE 7980 .0 .0 100* 31.7 27.9 114 TOGWOTEE PASS 9580 -M .0 * 39.4 37.8 105 TWO OCEAN PLATEAU 9360 9.7 .0 * 43.0 41.2 105 WILLOW CREEK 8450 .0 .0 100* 54.4 42.7 128 ----- ----- Basin wide percent of average * 110 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .0 1.4 0* 32.3 27.9 117 BLACK BEAR 7950 9.9 .0 1089* 65.6 54.8 120 CANYON 7940 -M .0 * 26.9 21.9 124 FISHER CREEK 9100 -M 4.3 * 50.2 51.3 98 MADISON PLATEAU 7750 -M .0 * 42.7 36.7 117 NORTHEAST ENTRANCE 7350 .0 .0 100* 21.4 19.4 111 PARKER PEAK 9400 .0 2.8 0 -M 25.0 * SYLVAN LAKE 8420 -M .0 * -M 29.9 * THUMB DIVIDE 7980 .0 .0 100* 31.7 27.9 114 TWO OCEAN PLATEAU 9360 9.7 .0 * 43.0 41.2 105 WHISKEY CREEK 6800 .0 .0 100* 34.8 30.9 113 WHITE MILL 8700 4.0 1.5 267* 28.7 40.3 72 WOLVERINE 7650 .0 .0 100* 18.9 20.9 91 ----- ----- Basin wide percent of average 213* 107 WIND RIVER BURROUGHS CREEK 8750 .3 .0 * 27.4 24.5 112 COLD SPRINGS 9630 .0 .0 100* 26.9 18.4 147 DEER PARK 9700 .0 -M * 38.2 -M * HOBBS PARK 10100 .7 .2 700* 32.0 23.4 137 LITTLE WARM 9620 .2 .0 * 28.5 21.5 133 SOUTH PASS 9040 -M .0 * 34.7 26.7 131 ST. LAWRENCE ALT 8620 .0 .0 100* 23.9 17.0 141 TOGWOTEE PASS 9580 -M .0 * 39.4 37.8 105 TOWNSEND CREEK 8700 .0 .0 100* 28.5 21.0 136 ----- ----- Basin wide percent of average 700* 127 BIGHORN BASIN BALD MTN. 9375 .0 .6 0* 29.9 28.0 107 BEAR TRAP MEADOW 7900 .0 .0 100* 21.5 16.7 130 BLACKWATER 9780 6.3 1.7 371* 35.7 28.4 126 BONE SPRINGS DIV 9350 .3 .0 * 29.9 25.5 118 EVENING STAR 9200 .3 4.5 5 46.8 34.8 135 GRAVE SPRINGS 8550 .2 .0 * 21.7 19.4 112 KIRWIN 9550 .0 .0 100* 25.0 19.0 132 MARQUETTE 8760 .0 .0 100* 25.4 20.2 126 MIDDLE POWDER 7760 .0 .0 100* 28.4 21.4 133 OWL CREEK 8975 .0 .0 100* 19.9 13.0 155 POWDER RIVER PASS 9480 .0 .0 100* 26.4 21.2 125 SHELL CREEK 9580 .0 .0 100* 26.0 23.5 111 SYLVAN LAKE 8420 -M .0 * -M 29.9 * SYLVAN ROAD 8120 -M .0 * -M 25.4 * TIMBER CREEK 7950 .0 .0 100* 20.7 16.2 128 YOUNTS PEAK 8350 .0 .0 100* 27.0 25.2 108 ----- ----- Basin wide percent of average 96* 124 SHOSHONE RIVER BLACKWATER 9780 6.3 1.7 371* 35.7 28.4 126 EVENING STAR 9200 .3 4.5 5 46.8 34.8 135 KIRWIN 9550 .0 .0 100* 25.0 19.0 132 MARQUETTE 8760 .0 .0 100* 25.4 20.2 126 SYLVAN LAKE 8420 -M .0 * -M 29.9 * SYLVAN ROAD 8120 -M .0 * -M 25.4 * YOUNTS PEAK 8350 .0 .0 100* 27.0 25.2 108 ----- ----- Basin wide percent of average 105* 126 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 21.5 16.7 130 BIG GOOSE 7990 .0 -M * 22.5 -M * BONE SPRINGS DIV 9350 .3 .0 * 29.9 25.5 118 BURGESS JUNCTION 7880 .2 .0 * 21.7 20.4 106 CLOUD PEAK RESERVOIR 9860 .0 .0 100* 28.7 24.9 116 DOME LAKE 8880 .3 .0 * 20.9 23.0 91 GRAVE SPRINGS 8550 .2 .0 * 21.7 19.4 112 HANSEN SAWMILL 8760 .0 .0 100* 20.2 16.2 125 MIDDLE POWDER 7760 .0 .0 100* 28.4 21.4 133 POWDER RIVER PASS 9480 .0 .0 100* 26.4 21.2 125 SUCKER CREEK 8880 .0 .0 100* 27.4 23.9 115 TIE CREEK 6870 .0 -M * 23.4 19.7 119 ----- ----- Basin wide percent of average * 117 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 27.2 22.5 121 NORTH RAPID CREEK 6130 .0 -M * 25.4 -M * WARREN PEAK 6520 .3 .0 * 27.2 17.0 161 ----- ----- Basin wide percent of average * 138 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 32.7 32.7 100 DIVIDE PEAK 8800 .0 .0 100* 35.8 32.3 111 ELK RIVER 8700 .0 .0 100* 32.3 26.4 122 JOE WRIGHT 10120 .0 1.0 0* 39.9 37.8 106 NORTH FRENCH CREEK 10100 .0 .0 100* 42.8 34.7 124 OLD BATTLE 10000 1.4 1.9 74* 53.3 42.3 127 SOUTH BRUSH CREEK 8400 5.5 .0 * 29.2 26.2 112 TOWER 10500 .0 7.3 0 54.0 51.9 105 WEBBER SPRINGS 9200 .0 .0 100* 39.3 36.0 109 WILLOW CREEK PASS 9540 .0 .0 100* 19.7 20.7 95 ----- ----- Basin wide percent of average 14* 112 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 3.5 .0 * 35.8 29.2 123 CASPER MTN. 7900 .2 .0 * 27.9 25.9 109 DEADMAN HILL 10220 .2 .0 * 27.7 27.2 102 DEER PARK 9700 .0 -M * 38.2 -M * LAPRELE CREEK 8320 .0 .0 100* 27.2 20.9 131 RENO HILL 8400 .0 .0 100* 30.4 27.2 113 ROACH 9700 .0 .0 100* 30.5 32.5 94 SAND LAKE 10080 .0 2.0 0* 44.4 31.2 143 SOUTH PASS 9040 -M .0 * 34.7 26.7 131 WINDY PEAK 7840 .0 .0 100* 23.9 18.4 131 ----- ----- Basin wide percent of average 0* 119 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 24.4 22.0 111 DIVIDE PEAK 8800 .0 .0 100* 35.8 32.3 111 OLD BATTLE 10000 1.4 1.9 74* 53.3 42.3 127 SANDSTONE RS 8150 .6 .0 * 29.2 27.4 107 WHISKEY PARK 8950 .2 .0 * 42.3 39.8 107 ----- ----- Basin wide percent of average 74* 113 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.9 22.4 103 BLIND BULL SUM 8650 .0 .0 100* 31.9 31.2 103 EAST RIM DIVIDE 7930 .0 .0 100* 20.9 20.9 100 ELKHART PARK G.S. 9400 .0 .0 100* 24.0 22.0 110 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.4 21.9 107 KENDALL R.S. 7740 .0 .0 100* 22.4 21.4 105 LOOMIS PARK 8240 .0 .0 100* 27.9 25.9 108 NEW FORK LAKE 8340 .0 .0 100* 20.4 19.9 103 SNIDER BASIN 8250 .0 .0 100* 26.2 20.9 125 SPRING CREEK DIVIDE 9000 .0 .0 100* 39.8 35.8 112 TRIPLE PEAK 8500 .0 .0 100* 41.9 41.5 101 ----- ----- Basin wide percent of average * 107 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 20.4 18.4 111 HEWINTA 9500 .0 .0 100* 22.5 21.4 106 HICKERSON PARK 9150 .2 .0 * 17.7 17.5 101 HOLE-IN-ROCK 9150 .0 .0 100* 17.9 17.5 103 INDIAN CREEK 9425 1.2 .0 * 37.4 34.4 109 KELLEY R.S. 8180 .0 .0 100* 27.7 25.9 108 STEEL CREEK PARK 10100 .0 .0 100* 26.7 23.7 113 ----- ----- Basin wide percent of average * 108 UPPER BEAR RIVER BUG LAKE 7950 .2 .0 * 32.0 26.5 121 HAYDEN FORK 9400 .0 .0 100* 31.2 28.7 109 KELLEY R.S. 8180 .0 .0 100* 27.7 25.9 108 LILY LAKE 9050 -M .0 * 27.7 23.4 119 MONTE CRISTO 8960 -M .0 * 41.4 35.9 116 SALT RIVER SUMMIT 7600 .2 .0 * 26.2 23.2 113 TRIAL LAKE 9960 .5 .0 * 34.0 34.0 100 ----- ----- 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.