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: JULY 12 , 2011 ----------------------------------------------------------------------------- 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* 38.7 29.4 132 COTTONWOOD CREEK 7670 .0 .0 100* 54.8 38.3 143 GRAND TARGHEE 9260 25.3 -M * 61.2 -M * GRANITE CREEK 6770 .0 .0 100* 38.4 27.1 142 GRASSY LAKE 7265 -M .0 * 63.2 48.7 130 GROS VENTRE SUMMIT 8750 .0 .0 100* 25.1 20.3 124 GUNSIGHT PASS 9820 -M -M * 30.8 -M * LEWIS LAKE DIVIDE 7850 .0 .0 100* 56.7 48.7 116 PHILLIPS BENCH 8200 .0 .0 100* 51.3 39.3 131 SALT RIVER SUMMIT 7760 .0 .0 100* 31.4 25.9 121 SNAKE RIVER STATION 6920 -M .0 * 41.2 31.2 132 SPRING CREEK DIVIDE 9000 -M .0 * -M 35.2 * THUMB DIVIDE 7980 .1 .0 * 34.1 27.3 125 TOGWOTEE PASS 9580 13.7 .0 * 49.0 35.5 138 TWO OCEAN PLATEAU 9240 9.4 .0 * 49.4 39.9 124 WILLOW CREEK 8380 .0 .0 100* 63.6 45.8 139 ----- ----- Basin wide percent of average * 130 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 1.0 .7 143* 40.6 30.6 133 BLACK BEAR 8170 .6 .0 * 71.5 54.2 132 CANYON 7870 .0 .0 100* 29.7 23.3 127 FISHER CREEK 9100 8.9 .2 4450* 60.3 51.5 117 MADISON PLATEAU 7750 .0 .0 100* 51.2 37.5 137 NORTHEAST ENTRANCE 7350 .0 .0 100* 26.6 21.0 127 PARKER PEAK 9400 .0 .9 0* 45.1 26.7 169 SYLVAN LAKE 8420 .0 .0 100* 46.2 32.8 141 THUMB DIVIDE 7980 .1 .0 * 34.1 27.3 125 TWO OCEAN PLATEAU 9240 9.4 .0 * 49.4 39.9 124 WHISKEY CREEK 6800 .0 .0 100* 40.3 30.6 132 WHITE MILL 8700 .0 .0 100* 43.6 39.4 111 WOLVERINE 7650 .0 .0 100* 23.6 21.1 112 ----- ----- Basin wide percent of average 1111* 129 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* 30.6 25.2 121 CASTLE CREEK 8400 .0 -M * 15.8 -M * COLD SPRINGS 9630 .0 .0 100* 22.1 19.8 112 DEER PARK 9700 .0 .0 100* 37.2 33.9 110 HOBBS PARK 10100 .0 .0 100* 29.6 24.0 123 LITTLE WARM 9370 .0 .0 100* 26.3 22.8 115 SOUTH PASS 9040 .0 .0 100* 27.4 28.5 96 ST. LAWRENCE ALT 8620 .0 .0 100* 21.5 17.9 120 TOGWOTEE PASS 9580 13.7 .0 * 49.0 35.5 138 TOWNSEND CREEK 8700 .0 .0 100* 23.4 21.5 109 ----- ----- Basin wide percent of average * 117 BIGHORN BASIN BALD MTN. 9380 .0 .1 0* 38.6 29.0 133 BEAR TRAP MEADOW 8200 .0 .0 100* 22.0 17.5 126 BLACKWATER 9780 4.3 1.2 358* 44.3 33.1 134 BONE SPRINGS DIV 9350 .0 .0 100* 33.5 26.3 127 EVENING STAR 9200 .0 1.3 0* 55.6 38.8 143 GRAVE SPRINGS 8550 .0 .0 100* 23.4 19.4 121 KIRWIN 9550 .0 .0 100* 25.4 21.2 120 MARQUETTE 8760 .0 -M * 21.9 21.8 100 MIDDLE POWDER 7760 .0 .0 100* 24.5 22.4 109 OWL CREEK 8975 .0 .0 100* 16.4 14.0 117 POWDER RIVER PASS 9480 .0 .0 100* 32.8 23.1 142 SHELL CREEK 9580 .0 .0 100* 32.6 24.6 133 SYLVAN LAKE 8420 .0 .0 100* 46.2 32.8 141 SYLVAN ROAD 7120 .0 .0 100* 34.3 26.4 130 TIMBER CREEK 7950 .0 .0 100* 17.8 17.2 103 YOUNTS PEAK 8350 .0 .0 100* 27.9 25.5 109 ----- ----- Basin wide percent of average 165* 126 SHOSHONE RIVER BLACKWATER 9780 4.3 1.2 358* 44.3 33.1 134 EVENING STAR 9200 .0 1.3 0* 55.6 38.8 143 KIRWIN 9550 .0 .0 100* 25.4 21.2 120 MARQUETTE 8760 .0 -M * 21.9 21.8 100 SYLVAN LAKE 8420 .0 .0 100* 46.2 32.8 141 SYLVAN ROAD 7120 .0 .0 100* 34.3 26.4 130 YOUNTS PEAK 8350 .0 .0 100* 27.9 25.5 109 ----- ----- Basin wide percent of average 172* 128 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 22.0 17.5 126 BIG GOOSE 7990 .0 .0 100* 27.1 18.7 145 BONE SPRINGS DIV 9350 .0 .0 100* 33.5 26.3 127 BURGESS JUNCTION 7880 .0 .0 100* 28.4 22.0 129 CLOUD PEAK RESERVOIR 9860 .0 .0 100* 33.1 25.7 129 DOME LAKE 8880 .0 .0 100* 30.0 23.9 126 GRAVE SPRINGS 8550 .0 .0 100* 23.4 19.4 121 HANSEN SAWMILL 8360 .0 .0 100* 22.8 17.7 129 LITTLE GOOSE 8870 .0 -M * 30.6 -M * MIDDLE POWDER 7760 .0 .0 100* 24.5 22.4 109 POWDER RIVER PASS 9480 .0 .0 100* 32.8 23.1 142 SOLDIER PARK 8720 .0 -M * 23.0 -M * SUCKER CREEK 8880 .0 .0 100* 34.1 25.3 135 TIE CREEK 6870 .0 .0 100* 28.1 20.7 136 ----- ----- Basin wide percent of average * 129 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 32.0 22.0 145 COLE CANYON 5910 .0 .0 100* 30.3 17.5 173 NORTH RAPID CREEK 6130 .0 .0 100* 30.2 19.4 156 ----- ----- Basin wide percent of average * 157 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 .0 -M * 60.9 -M * CINNABAR PARK 9574 -M .0 * 49.2 29.2 168 COLUMBINE 9160 .2 .0 * 51.2 34.2 150 DIVIDE PEAK 8880 .0 .0 100* 42.9 29.4 146 ELK RIVER 8700 .0 .0 100* 39.7 28.1 141 JOE WRIGHT 10120 -M .0 * 58.6 38.1 154 NORTH FRENCH CREEK 10130 11.2 .0 * -M 37.4 * OLD BATTLE 10000 .8 .0 * 69.4 46.6 149 SAGE CREEK BASIN 7850 -M .0 * -M 17.1 * SOUTH BRUSH CREEK 8440 .0 .0 100* 35.1 26.3 133 TOWER 10500 19.4 2.4 808* 78.0 53.0 147 WEBBER SPRINGS 9250 .0 .0 100* 52.8 36.9 143 WILLOW CREEK PASS 9540 .0 .0 100* -M 21.7 * ----- ----- Basin wide percent of average 1317* 148 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .0 100* 48.6 33.9 143 CASPER MTN. 7900 .0 .0 100* 26.5 26.6 100 DEADMAN HILL 10220 -M .0 * -M 26.9 * DEER PARK 9700 .0 .0 100* 37.2 33.9 110 LAPRELE CREEK 8375 .0 .0 100* 25.0 22.6 111 RENO HILL 8400 .0 .0 100* 30.1 27.0 111 ROACH 9700 -M .0 * 38.8 28.9 134 SAND LAKE 10050 -M .2 * 55.6 37.3 149 SOUTH PASS 9040 .0 .0 100* 27.4 28.5 96 WINDY PEAK 7900 .0 .0 100* 21.9 19.7 111 ----- ----- Basin wide percent of average * 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * -M 22.5 * DIVIDE PEAK 8880 .0 .0 100* 42.9 29.4 146 OLD BATTLE 10000 .8 .0 * 69.4 46.6 149 SANDSTONE RS 8150 .9 .0 * 40.1 26.7 150 WHISKEY PARK 8950 -M .0 * 61.8 40.4 153 ----- ----- Basin wide percent of average * 150 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100* 26.0 20.9 124 BLIND BULL SUM 8650 .1 .0 * 35.0 30.3 116 EAST RIM DIVIDE 7930 .0 .0 100* 21.7 17.8 122 ELKHART PARK G.S. 9400 .0 .0 100* 22.9 21.4 107 GROS VENTRE SUMMIT 8750 .0 .0 100* 25.1 20.3 124 GUNSIGHT PASS 9820 -M -M * 30.8 -M * KENDALL R.S. 7740 .0 .0 100* 23.7 20.6 115 LOOMIS PARK 8240 .1 .0 * 32.2 24.4 132 NEW FORK LAKE 8340 .0 .0 100* 18.9 18.1 104 POCKET CREEK 9360 .1 -M * 24.3 -M * SNIDER BASIN 8060 .0 .0 100* 28.1 22.0 128 SPRING CREEK DIVIDE 9000 -M .0 * -M 35.2 * TRIPLE PEAK 8500 .0 .0 100* 50.0 34.4 145 ----- ----- Basin wide percent of average * 123 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 25.0 18.8 133 HEWINTA 9519 .0 .0 100* 31.4 22.6 139 HICKERSON PARK 9145 .0 .0 100* 21.9 14.6 150 HOLE-IN-ROCK 9150 .4 .0 * 23.2 14.5 160 INDIAN CREEK 9425 .0 .0 100* 40.8 34.4 119 KELLEY R.S. 8180 .0 .0 100* 36.2 28.1 129 STEEL CREEK PARK 10200 .1 .0 * 36.1 25.6 141 ----- ----- Basin wide percent of average * 135 UPPER BEAR RIVER BUG LAKE 7950 .0 .0 100* 43.6 26.8 163 HAYDEN FORK 9212 .0 .0 100* 46.1 30.7 150 KELLEY R.S. 8180 .0 .0 100* 36.2 28.1 129 LILY LAKE 9156 .0 .0 100* 36.6 26.1 140 MONTE CRISTO 8960 .1 .0 * 55.8 36.0 155 SALT RIVER SUMMIT 7760 .0 .0 100* 31.4 25.9 121 TRIAL LAKE 9992 .3 .0 * 51.0 35.8 142 ----- ----- Basin wide percent of average * 144 ----------------------------------------------------------------------------- -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 1971-2000. 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.