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: JULY 15 , 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 30.2 115 COTTONWOOD CREEK 7600 .2 .0 * 41.2 33.7 123 GRANITE CREEK 6770 .3 .0 * 31.9 33.0 97 GRASSY LAKE 7265 .0 .0 100* 56.0 50.0 113 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.4 22.4 105 LEWIS LAKE DIVIDE 7860 .0 .0 100* 51.3 50.8 101 PHILLIPS BENCH 8200 .3 .0 * 41.8 40.2 105 SALT RIVER SUMMIT 7600 .2 .0 * 27.2 23.7 115 SNAKE RIVER STATION 6920 .0 .0 100* 35.7 35.2 102 SPRING CREEK DIVIDE 9000 .0 .0 100* 40.8 36.3 113 THUMB DIVIDE 7980 .0 .0 100* 31.9 28.4 113 TOGWOTEE PASS 9580 .0 .0 100* 39.8 38.3 105 TWO OCEAN PLATEAU 9360 .3 .0 * 43.4 41.8 105 WILLOW CREEK 8450 .0 .0 100* 54.9 43.3 128 ----- ----- Basin wide percent of average * 110 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .0 .2 0* 32.4 28.5 114 BLACK BEAR 7950 .0 .2 0* 65.5 55.4 119 CANYON 7940 .0 .0 100* 27.2 22.4 121 FISHER CREEK 9100 .2 .2 100* 50.3 52.3 97 MADISON PLATEAU 7750 -M .0 * 42.8 37.2 116 NORTHEAST ENTRANCE 7350 .0 .0 100* 21.5 20.0 108 PARKER PEAK 9400 .0 .9 0* 31.4 25.9 122 SYLVAN LAKE 8420 -M .0 * -M 30.7 * THUMB DIVIDE 7980 .0 .0 100* 31.9 28.4 113 TWO OCEAN PLATEAU 9360 .3 .0 * 43.4 41.8 105 WHISKEY CREEK 6800 .0 .0 100* 34.8 31.5 111 WHITE MILL 8700 -M .2 * -M 40.9 * WOLVERINE 7650 .0 .0 100* 19.0 21.7 88 ----- ----- Basin wide percent of average 10* 110 WIND RIVER BURROUGHS CREEK 8750 .3 .0 * 27.5 25.0 111 COLD SPRINGS 9630 .2 .0 * 26.9 19.0 142 DEER PARK 9700 .2 -M * 38.3 -M * HOBBS PARK 10100 .0 .2 0* 32.3 24.0 135 LITTLE WARM 9620 .2 .0 * 28.7 22.2 130 SOUTH PASS 9040 -M .0 * -M 27.2 * ST. LAWRENCE ALT 8620 .2 .0 * 24.0 17.5 138 TOGWOTEE PASS 9580 .0 .0 100* 39.8 38.3 105 TOWNSEND CREEK 8700 .2 .0 * 29.0 21.5 135 ----- ----- Basin wide percent of average 0* 125 BIGHORN BASIN BALD MTN. 9375 .0 .2 0* 29.9 28.7 105 BEAR TRAP MEADOW 7900 .0 .0 100* 21.5 17.0 127 BLACKWATER 9780 .0 .3 0* 35.8 29.4 122 BONE SPRINGS DIV 9350 -M .0 * 29.9 26.2 115 EVENING STAR 9200 .2 .5 21* 47.0 35.8 132 GRAVE SPRINGS 8550 .2 .0 * 21.9 19.9 110 KIRWIN 9550 .2 .0 * 25.2 20.0 127 MARQUETTE 8760 .0 .0 100* 25.5 20.9 123 MIDDLE POWDER 7760 .0 .0 100* 28.2 21.9 130 OWL CREEK 8975 .0 .0 100* 20.2 13.5 149 POWDER RIVER PASS 9480 .0 .0 100* 26.4 21.7 122 SHELL CREEK 9580 .0 .0 100* 26.4 24.0 110 SYLVAN LAKE 8420 -M .0 * -M 30.7 * SYLVAN ROAD 8120 -M .0 * -M 26.0 * TIMBER CREEK 7950 .0 .0 100* 20.7 16.7 124 YOUNTS PEAK 8350 .3 .0 * 27.4 25.9 107 ----- ----- Basin wide percent of average 12* 120 SHOSHONE RIVER BLACKWATER 9780 .0 .3 0* 35.8 29.4 122 EVENING STAR 9200 .2 .5 21* 47.0 35.8 132 KIRWIN 9550 .2 .0 * 25.2 20.0 127 MARQUETTE 8760 .0 .0 100* 25.5 20.9 123 SYLVAN LAKE 8420 -M .0 * -M 30.7 * SYLVAN ROAD 8120 -M .0 * -M 26.0 * YOUNTS PEAK 8350 .3 .0 * 27.4 25.9 107 ----- ----- Basin wide percent of average 13* 123 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 21.5 17.0 127 BIG GOOSE 7990 .0 -M * 22.5 -M * BONE SPRINGS DIV 9350 -M .0 * 29.9 26.2 115 BURGESS JUNCTION 7880 .2 .0 * 21.7 21.2 103 CLOUD PEAK RESERVOIR 9860 .0 .0 100* 28.9 25.4 114 DOME LAKE 8880 .0 .0 100* 21.0 23.5 90 GRAVE SPRINGS 8550 .2 .0 * 21.9 19.9 110 HANSEN SAWMILL 8760 .0 .0 100* 20.4 16.7 122 MIDDLE POWDER 7760 .0 .0 100* 28.2 21.9 130 POWDER RIVER PASS 9480 .0 .0 100* 26.4 21.7 122 SUCKER CREEK 8880 .5 .0 * 27.4 24.4 112 TIE CREEK 6870 .2 -M * 23.7 20.2 117 ----- ----- Basin wide percent of average * 114 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 27.4 23.4 118 NORTH RAPID CREEK 6130 .0 -M * 25.4 -M * WARREN PEAK 6520 .0 .0 100* 27.2 17.7 154 ----- ----- Basin wide percent of average * 134 UPPER N. PLATTE RIVER COLUMBINE 9400 -M .0 * 32.9 33.2 100 DIVIDE PEAK 8800 .0 .0 100* 36.3 32.8 111 ELK RIVER 8700 .0 .0 100* 31.7 26.9 118 JOE WRIGHT 10120 .0 .0 100* 40.2 38.8 104 NORTH FRENCH CREEK 10100 .0 .0 100* 43.2 35.3 123 OLD BATTLE 10000 .0 .0 100* 53.4 42.8 125 SOUTH BRUSH CREEK 8400 6.0 .0 * 29.4 26.7 111 TOWER 10500 .0 .2 0* 54.5 52.7 104 WEBBER SPRINGS 9200 .0 .0 100* 39.2 36.5 108 WILLOW CREEK PASS 9540 -M .0 * 19.7 21.4 93 ----- ----- Basin wide percent of average 0* 110 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 3.0 .0 * 36.3 29.9 122 CASPER MTN. 7900 .3 .0 * 28.2 26.4 107 DEADMAN HILL 10220 .2 .0 * 27.4 27.9 99 DEER PARK 9700 .2 -M * 38.3 -M * LAPRELE CREEK 8320 .0 .0 100* 26.9 21.4 126 RENO HILL 8400 .0 .0 100* 30.5 27.7 111 ROACH 9700 .0 .0 100* 30.7 33.3 93 SAND LAKE 10080 .0 .2 0* 44.9 31.5 143 SOUTH PASS 9040 -M .0 * -M 27.2 * WINDY PEAK 7840 .0 .0 100* 23.9 19.0 126 ----- ----- Basin wide percent of average 0* 115 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 24.9 22.4 112 DIVIDE PEAK 8800 .0 .0 100* 36.3 32.8 111 OLD BATTLE 10000 .0 .0 100* 53.4 42.8 125 SANDSTONE RS 8150 -M .0 * 29.9 27.9 107 WHISKEY PARK 8950 .0 .0 100* 42.5 40.5 105 ----- ----- Basin wide percent of average * 113 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 23.5 22.9 104 BLIND BULL SUM 8650 .3 .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 22.4 109 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.4 22.4 105 KENDALL R.S. 7740 .0 .0 100* 22.4 21.9 103 LOOMIS PARK 8240 .0 .0 100* 28.2 26.4 107 NEW FORK LAKE 8340 .0 .0 100* 20.5 20.4 101 SNIDER BASIN 8250 .0 .0 100* 26.5 21.4 125 SPRING CREEK DIVIDE 9000 .0 .0 100* 40.8 36.3 113 TRIPLE PEAK 8500 .0 .0 100* 42.8 42.2 102 ----- ----- Basin wide percent of average * 106 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 21.2 18.7 113 HEWINTA 9500 .0 .0 100* 22.9 21.9 105 HICKERSON PARK 9150 .3 .0 * 18.2 18.2 101 HOLE-IN-ROCK 9150 .0 .0 100* 18.9 18.2 104 INDIAN CREEK 9425 .0 .0 100* 38.3 34.9 110 KELLEY R.S. 8180 .0 .0 100* 28.4 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* 31.9 29.2 109 KELLEY R.S. 8180 .0 .0 100* 28.4 26.4 108 LILY LAKE 9050 .0 .0 100* 28.4 23.9 119 MONTE CRISTO 8960 -M .0 * 42.0 36.3 117 SALT RIVER SUMMIT 7600 .2 .0 * 27.2 23.7 115 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.