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 10 , 2008 ----------------------------------------------------------------------------- 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 34.9 29.4 119 COTTONWOOD CREEK 7670 .0 .0 100 -M 38.2 * GRAND TARGHEE 9260 9.0 -M * 48.9 -M * GRANITE CREEK 6770 .0 .0 100 32.3 27.0 120 GRASSY LAKE 7265 .0 .0 100 57.0 48.6 117 GROS VENTRE SUMMIT 8750 .0 .0 100 -M 20.2 * GUNSIGHT PASS 9820 .0 -M * 21.2 -M * LEWIS LAKE DIVIDE 7850 .5 .0 48.8 48.6 100 PHILLIPS BENCH 8200 .0 .0 100 45.0 39.3 115 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.8 86 SNAKE RIVER STATION 6920 .0 .0 100 36.5 31.1 117 SPRING CREEK DIVIDE 9000 -M .0 * 31.9 35.1 91 THUMB DIVIDE 7980 .1 .0 29.4 27.2 108 TOGWOTEE PASS 9580 .0 .0 100 41.4 35.4 117 TWO OCEAN PLATEAU 9240 -M .0 * 44.7 39.8 112 WILLOW CREEK 8380 .0 .0 100 53.5 45.7 117 ----- ----- Basin wide percent of average * 110 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 .0 .9 0 34.5 30.4 113 BLACK BEAR 8170 .0 .1 0 56.8 54.0 105 CANYON 7870 .0 .0 100 28.9 23.2 125 FISHER CREEK 9100 .6 .6 100 52.7 51.3 103 MADISON PLATEAU 7750 .0 .0 100 44.9 37.4 120 NORTHEAST ENTRANCE 7350 .0 .0 100 22.2 20.8 107 PARKER PEAK 9400 .0 1.1 0 40.5 26.6 152 SYLVAN LAKE 8420 .0 .0 100 40.8 32.7 125 THUMB DIVIDE 7980 .1 .0 29.4 27.2 108 TWO OCEAN PLATEAU 9240 -M .0 * 44.7 39.8 112 WHISKEY CREEK 6800 .0 .0 100 35.6 30.5 117 WHITE MILL 8700 .0 .1 0 38.9 39.2 99 WOLVERINE 7650 .0 .0 100 23.0 21.0 110 ----- ----- Basin wide percent of average 21 114 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100 26.2 25.1 104 COLD SPRINGS 9630 .0 .0 100 18.4 19.8 93 DEER PARK 9700 .0 .0 100 31.1 33.8 92 HOBBS PARK 10100 .0 .1 0 25.7 23.9 108 LITTLE WARM 9370 .0 .0 100 22.7 22.6 100 SOUTH PASS 9040 .0 .0 100 27.6 28.4 97 ST. LAWRENCE ALT 8620 -M .0 * -M 17.8 * TOGWOTEE PASS 9580 .0 .0 100 41.4 35.4 117 TOWNSEND CREEK 8700 .0 .0 100 22.1 21.4 103 ----- ----- Basin wide percent of average 0 102 BIGHORN BASIN BALD MTN. 9380 .0 .1 0 29.2 28.9 101 BEAR TRAP MEADOW 8200 .0 .0 100 21.1 17.4 121 BLACKWATER 9780 .0 1.5 0 38.1 32.9 116 BONE SPRINGS DIV 9350 .0 .0 100 30.3 26.2 116 EVENING STAR 9200 .0 1.5 0 51.6 38.6 134 GRAVE SPRINGS 8550 .0 .0 100 19.9 19.2 104 KIRWIN 9550 .0 .0 100 23.6 21.0 112 MARQUETTE 8760 .0 .0 100 23.4 21.7 108 MIDDLE POWDER 7760 .0 .0 100 20.1 22.3 90 OWL CREEK 8975 .0 .0 100 14.4 13.9 104 POWDER RIVER PASS 9480 .0 .0 100 27.4 23.0 119 SHELL CREEK 9580 .0 .0 100 28.1 24.5 115 SYLVAN LAKE 8420 .0 .0 100 40.8 32.7 125 SYLVAN ROAD 7120 .0 .0 100 31.6 26.2 121 TIMBER CREEK 7950 .0 .0 100 20.5 17.1 120 YOUNTS PEAK 8350 .0 .0 100 25.9 25.3 102 ----- ----- Basin wide percent of average 0 114 SHOSHONE RIVER BLACKWATER 9780 .0 1.5 0 38.1 32.9 116 EVENING STAR 9200 .0 1.5 0 51.6 38.6 134 KIRWIN 9550 .0 .0 100 23.6 21.0 112 MARQUETTE 8760 .0 .0 100 23.4 21.7 108 SYLVAN LAKE 8420 .0 .0 100 40.8 32.7 125 SYLVAN ROAD 7120 .0 .0 100 31.6 26.2 121 YOUNTS PEAK 8350 .0 .0 100 25.9 25.3 102 ----- ----- Basin wide percent of average 0 118 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100 21.1 17.4 121 BIG GOOSE 7990 .0 .0 100 24.6 18.6 132 BONE SPRINGS DIV 9350 .0 .0 100 30.3 26.2 116 BURGESS JUNCTION 7880 .0 .0 100 27.3 21.9 125 CLOUD PEAK RESERVOIR 9860 .0 .0 100 32.7 25.6 128 DOME LAKE 8880 .0 .0 100 29.4 23.8 124 GRAVE SPRINGS 8550 .0 .0 100 19.9 19.2 104 HANSEN SAWMILL 8360 .0 .0 100 24.6 17.5 141 MIDDLE POWDER 7760 .0 .0 100 20.1 22.3 90 POWDER RIVER PASS 9480 .0 .0 100 27.4 23.0 119 SUCKER CREEK 8880 .0 .0 100 32.0 25.2 127 TIE CREEK 6870 .0 .0 100 25.0 20.6 121 ----- ----- Basin wide percent of average * 120 BELLE FOURCHE BLIND PARK 6890 .0 .0 100 25.6 21.9 117 COLE CANYON 5910 .0 .0 100 24.7 17.3 143 NORTH RAPID CREEK 6130 .0 .0 100 29.9 19.1 157 ----- ----- Basin wide percent of average * 138 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .0 100 36.9 34.1 108 DIVIDE PEAK 8880 .0 .0 100 32.1 29.3 110 ELK RIVER 8700 .3 .0 -M 28.0 * JOE WRIGHT 10120 .3 .1 300 40.6 38.0 107 NORTH FRENCH CREEK 10130 .0 .2 0 41.4 37.3 111 OLD BATTLE 10000 .0 .1 0 51.0 46.6 109 SAGE CREEK BASIN 7850 .0 .0 100 22.9 17.0 135 SOUTH BRUSH CREEK 8440 .0 .0 100 23.7 26.2 90 TOWER 10500 .0 3.3 0 -M 52.8 * WEBBER SPRINGS 9250 .0 .0 100 40.0 36.8 109 WILLOW CREEK PASS 9540 -M .0 * 24.1 21.6 112 ----- ----- Basin wide percent of average 8 109 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .0 100 31.9 33.7 95 CASPER MTN. 7900 .0 .0 100 -M 26.6 * DEADMAN HILL 10220 .4 .0 28.8 26.8 107 DEER PARK 9700 .0 .0 100 31.1 33.8 92 LAPRELE CREEK 8375 -M .0 * -M 22.4 * RENO HILL 8400 .0 .0 100 32.7 26.9 122 ROACH 9700 -M .0 * 32.2 28.8 112 SAND LAKE 10050 .0 .7 0 43.3 37.2 116 SOUTH PASS 9040 .0 .0 100 27.6 28.4 97 WINDY PEAK 7900 .5 .0 19.4 19.6 99 ----- ----- Basin wide percent of average 0 105 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 22.9 22.5 102 DIVIDE PEAK 8880 .0 .0 100 32.1 29.3 110 OLD BATTLE 10000 .0 .1 0 51.0 46.6 109 SANDSTONE RS 8150 -M .0 * 28.6 26.7 107 WHISKEY PARK 8950 -M .0 * 46.7 40.3 116 ----- ----- Basin wide percent of average 0 110 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100 -M 20.8 * BLIND BULL SUM 8650 .0 .0 100 25.2 30.2 83 EAST RIM DIVIDE 7930 .0 .0 100 -M 17.8 * ELKHART PARK G.S. 9400 .0 .0 100 -M 21.4 * GROS VENTRE SUMMIT 8750 .0 .0 100 -M 20.2 * GUNSIGHT PASS 9820 .0 -M * 21.2 -M * KENDALL R.S. 7740 .0 .0 100 -M 20.5 * LOOMIS PARK 8240 .0 .0 100 23.5 24.3 97 NEW FORK LAKE 8340 .0 .0 100 14.3 18.0 79 SNIDER BASIN 8060 .0 .0 100 19.6 21.9 89 SPRING CREEK DIVIDE 9000 -M .0 * 31.9 35.1 91 TRIPLE PEAK 8500 .0 .0 100 39.3 34.3 115 ----- ----- Basin wide percent of average * 94 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100 15.5 18.7 83 HEWINTA 9519 -M .0 * 24.0 22.4 107 HICKERSON PARK 9145 .0 .0 100 15.9 14.5 110 HOLE-IN-ROCK 9150 .0 .0 100 15.9 14.4 110 INDIAN CREEK 9425 .0 .0 100 31.0 34.4 90 KELLEY R.S. 8180 .0 .0 100 24.4 28.0 87 STEEL CREEK PARK 10200 .7 .0 26.7 25.4 105 ----- ----- Basin wide percent of average * 97 UPPER BEAR RIVER BUG LAKE 7950 .1 .0 23.5 26.8 88 HAYDEN FORK 9212 .1 .0 31.4 30.6 103 KELLEY R.S. 8180 .0 .0 100 24.4 28.0 87 LILY LAKE 9156 .0 .0 100 25.3 26.0 97 MONTE CRISTO 8960 -M .0 * 33.3 36.0 92 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.8 86 TRIAL LAKE 9992 -M .0 * 32.3 35.7 90 ----- ----- Basin wide percent of average * 92 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values 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.