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 SUNDAY: JULY 3 , 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* 38.5 29.1 132 COTTONWOOD CREEK 7670 .0 .0 100* 53.7 37.9 142 GRAND TARGHEE 9260 42.9 -M * 61.2 -M * GRANITE CREEK 6770 .0 .0 100* 38.1 26.7 143 GRASSY LAKE 7265 -M .0 * 63.3 48.2 131 GROS VENTRE SUMMIT 8750 .0 .0 100* 25.1 19.9 126 GUNSIGHT PASS 9820 4.0 -M * 30.9 -M * LEWIS LAKE DIVIDE 7850 .0 .0 100* 56.3 48.2 117 PHILLIPS BENCH 8200 3.1 .0 * 51.1 39.0 131 SALT RIVER SUMMIT 7760 .0 .0 100* 31.3 25.6 122 SNAKE RIVER STATION 6920 -M .0 * 40.7 30.8 132 SPRING CREEK DIVIDE 9000 -M .0 * -M 34.9 * THUMB DIVIDE 7980 .1 .0 * 33.6 26.9 125 TOGWOTEE PASS 9580 21.1 1.5 1407* 49.2 35.1 140 TWO OCEAN PLATEAU 9240 25.6 4.5 569 49.0 39.3 125 WILLOW CREEK 8380 2.5 .0 * 63.3 45.3 140 ----- ----- Basin wide percent of average 873* 131 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 15.1 1.6 944* 39.2 29.9 131 BLACK BEAR 8170 20.9 1.8 1161* 69.3 53.6 129 CANYON 7870 .0 .0 100* 29.4 22.8 129 FISHER CREEK 9100 28.1 4.0 703 59.6 50.7 118 MADISON PLATEAU 7750 .0 .0 100* 49.9 37.0 135 NORTHEAST ENTRANCE 7350 .0 .0 100* 25.9 20.3 128 PARKER PEAK 9400 14.8 1.6 925* 44.1 26.2 168 SYLVAN LAKE 8420 .1 .0 * 45.5 32.2 141 THUMB DIVIDE 7980 .1 .0 * 33.6 26.9 125 TWO OCEAN PLATEAU 9240 25.6 4.5 569 49.0 39.3 125 WHISKEY CREEK 6800 .1 .0 * 39.1 30.1 130 WHITE MILL 8700 10.5 .7 1500* 43.6 38.7 113 WOLVERINE 7650 -M .0 * 23.0 20.6 112 ----- ----- Basin wide percent of average 812* 129 WIND RIVER BURROUGHS CREEK 8750 -M .0 * 30.5 24.8 123 CASTLE CREEK 8400 .0 -M * 15.5 -M * COLD SPRINGS 9630 .1 .0 * 21.6 19.5 111 DEER PARK 9700 .4 .0 * 36.3 33.5 108 HOBBS PARK 10100 .0 .6 0* 29.5 23.5 126 LITTLE WARM 9370 .0 .0 100* 25.6 22.3 115 SOUTH PASS 9040 .1 .0 * 27.5 28.2 98 ST. LAWRENCE ALT 8620 .0 .0 100* 21.4 17.6 122 TOGWOTEE PASS 9580 21.1 1.5 1407* 49.2 35.1 140 TOWNSEND CREEK 8700 .0 .0 100* 23.2 21.1 110 ----- ----- Basin wide percent of average 1033* 117 BIGHORN BASIN BALD MTN. 9380 -M .6 * 37.9 28.5 133 BEAR TRAP MEADOW 8200 .0 .0 100* 21.7 17.1 127 BLACKWATER 9780 22.4 4.0 560 44.2 32.5 136 BONE SPRINGS DIV 9350 .1 .0 * 33.3 25.7 130 EVENING STAR 9200 16.5 3.5 471 54.8 38.1 144 GRAVE SPRINGS 8550 .0 .0 100* 22.6 18.8 120 KIRWIN 9550 .0 .0 100* 25.1 20.5 122 MARQUETTE 8760 .0 -M * 22.0 21.3 103 MIDDLE POWDER 7760 .0 .0 100* 24.1 21.9 110 OWL CREEK 8975 .0 .0 100* 15.5 13.6 114 POWDER RIVER PASS 9480 .0 .0 100* 33.1 22.6 146 SHELL CREEK 9580 .9 .0 * 32.1 24.0 134 SYLVAN LAKE 8420 .1 .0 * 45.5 32.2 141 SYLVAN ROAD 7120 .0 .0 100* 33.8 25.9 131 TIMBER CREEK 7950 .1 .0 * 17.5 16.8 104 YOUNTS PEAK 8350 .0 .0 100* 27.7 24.8 112 ----- ----- Basin wide percent of average 535* 128 SHOSHONE RIVER BLACKWATER 9780 22.4 4.0 560 44.2 32.5 136 EVENING STAR 9200 16.5 3.5 471 54.8 38.1 144 KIRWIN 9550 .0 .0 100* 25.1 20.5 122 MARQUETTE 8760 .0 -M * 22.0 21.3 103 SYLVAN LAKE 8420 .1 .0 * 45.5 32.2 141 SYLVAN ROAD 7120 .0 .0 100* 33.8 25.9 131 YOUNTS PEAK 8350 .0 .0 100* 27.7 24.8 112 ----- ----- Basin wide percent of average 520* 130 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 21.7 17.1 127 BIG GOOSE 7990 .0 .0 100* 27.0 18.3 148 BONE SPRINGS DIV 9350 .1 .0 * 33.3 25.7 130 BURGESS JUNCTION 7880 .0 .0 100* 27.7 21.4 129 CLOUD PEAK RESERVOIR 9860 .1 .0 * 32.2 25.1 128 DOME LAKE 8880 .0 .0 100* 29.9 23.4 128 GRAVE SPRINGS 8550 .0 .0 100* 22.6 18.8 120 HANSEN SAWMILL 8360 .0 .0 100* 22.4 17.2 130 LITTLE GOOSE 8870 .0 -M * 30.1 -M * MIDDLE POWDER 7760 .0 .0 100* 24.1 21.9 110 POWDER RIVER PASS 9480 .0 .0 100* 33.1 22.6 146 SOLDIER PARK 8720 .0 -M * 22.5 -M * SUCKER CREEK 8880 -M .0 * 34.1 24.7 138 TIE CREEK 6870 .1 .0 * 27.5 20.3 135 ----- ----- Basin wide percent of average * 131 BELLE FOURCHE BLIND PARK 6890 .1 .0 * 30.2 21.3 142 COLE CANYON 5910 .2 .0 * 27.0 16.7 162 NORTH RAPID CREEK 6130 .1 .0 * 27.3 18.2 150 ----- ----- Basin wide percent of average * 150 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 .0 -M * 59.0 -M * CINNABAR PARK 9574 -M .0 * 48.1 28.8 167 COLUMBINE 9160 .0 .0 100* 50.0 33.8 148 DIVIDE PEAK 8880 .0 .0 100* 41.8 29.1 144 ELK RIVER 8700 .0 .0 100* 38.6 27.7 139 JOE WRIGHT 10120 7.2 1.0 720* 56.4 37.5 150 NORTH FRENCH CREEK 10130 23.1 2.0 1155* -M 36.8 * OLD BATTLE 10000 17.6 1.1 1600* 68.8 46.3 149 SAGE CREEK BASIN 7850 -M .0 * -M 16.9 * SOUTH BRUSH CREEK 8440 .0 .0 100* 33.9 25.8 131 TOWER 10500 -M 7.2 * 76.8 52.5 146 WEBBER SPRINGS 9250 .0 .0 100* 52.3 36.5 143 WILLOW CREEK PASS 9540 .0 .0 100* 31.6 21.2 149 ----- ----- Basin wide percent of average 1168* 147 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .1 .2 50* 47.7 33.4 143 CASPER MTN. 7900 .0 .1 0* 26.5 26.3 101 DEADMAN HILL 10220 4.1 .2 2050* 35.8 26.5 135 DEER PARK 9700 .4 .0 * 36.3 33.5 108 LAPRELE CREEK 8375 .0 .0 100* 24.7 22.1 112 RENO HILL 8400 -M .0 * 29.9 26.7 112 ROACH 9700 .0 .0 100* 37.8 28.5 133 SAND LAKE 10050 -M 2.5 * 54.6 36.8 148 SOUTH PASS 9040 .1 .0 * 27.5 28.2 98 WINDY PEAK 7900 .0 .0 100* 21.6 19.3 112 ----- ----- Basin wide percent of average 940* 122 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * -M 22.3 * DIVIDE PEAK 8880 .0 .0 100* 41.8 29.1 144 OLD BATTLE 10000 17.6 1.1 1600* 68.8 46.3 149 SANDSTONE RS 8150 1.2 .0 * 38.0 26.4 144 WHISKEY PARK 8950 -M .0 * 60.5 40.0 151 ----- ----- Basin wide percent of average 1709* 147 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100* 25.8 20.5 126 BLIND BULL SUM 8650 12.8 .0 * 34.6 29.9 116 EAST RIM DIVIDE 7930 .0 .0 100* 21.6 17.6 123 ELKHART PARK G.S. 9400 .0 .0 100* 22.3 21.1 106 GROS VENTRE SUMMIT 8750 .0 .0 100* 25.1 19.9 126 GUNSIGHT PASS 9820 4.0 -M * 30.9 -M * KENDALL R.S. 7740 .0 .0 100* 24.1 20.3 119 LOOMIS PARK 8240 .1 .0 * 32.1 24.0 134 NEW FORK LAKE 8340 .0 .0 100* 18.9 17.7 107 POCKET CREEK 9360 .0 -M * 23.8 -M * SNIDER BASIN 8060 .0 .0 100* 27.4 21.7 126 SPRING CREEK DIVIDE 9000 -M .0 * -M 34.9 * TRIPLE PEAK 8500 .1 .0 * 49.3 34.0 145 ----- ----- Basin wide percent of average * 124 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 24.1 18.5 130 HEWINTA 9519 .0 .0 100* 29.5 22.0 134 HICKERSON PARK 9145 .0 .0 100* 20.2 14.2 142 HOLE-IN-ROCK 9150 .3 .0 * 21.3 14.0 152 INDIAN CREEK 9425 5.6 .0 * 40.0 34.2 117 KELLEY R.S. 8180 .0 .0 100* 35.4 27.8 127 STEEL CREEK PARK 10200 1.3 .3 433* 34.1 25.0 136 ----- ----- Basin wide percent of average 2400* 131 UPPER BEAR RIVER BUG LAKE 7950 .0 .0 100* 43.2 26.6 162 HAYDEN FORK 9212 .0 .0 100* 44.8 30.3 148 KELLEY R.S. 8180 .0 .0 100* 35.4 27.8 127 LILY LAKE 9156 .0 .0 100* 35.4 25.8 137 MONTE CRISTO 8960 6.4 .0 * 56.0 35.8 156 SALT RIVER SUMMIT 7760 .0 .0 100* 31.3 25.6 122 TRIAL LAKE 9992 5.8 .2 2900* 49.3 35.4 139 ----- ----- Basin wide percent of average 6100* 142 ----------------------------------------------------------------------------- -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.