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 FRIDAY: JULY 15 , 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 29.6 131 COTTONWOOD CREEK 7670 .0 .0 100* 55.0 38.4 143 GRAND TARGHEE 9260 18.5 -M * 61.7 -M * GRANITE CREEK 6770 .0 .0 100* 38.4 27.2 141 GRASSY LAKE 7265 -M .0 * 63.7 48.8 131 GROS VENTRE SUMMIT 8750 .0 .0 100* 25.4 20.4 125 GUNSIGHT PASS 9820 .8 -M * 31.0 -M * LEWIS LAKE DIVIDE 7850 .0 .0 100* 56.7 48.8 116 PHILLIPS BENCH 8200 .0 .0 100* 51.6 39.5 131 SALT RIVER SUMMIT 7760 .0 .0 100* 31.6 26.0 122 SNAKE RIVER STATION 6920 -M .0 * 41.4 31.4 132 SPRING CREEK DIVIDE 9000 -M .0 * -M 35.3 * THUMB DIVIDE 7980 -M .0 * 34.3 27.4 125 TOGWOTEE PASS 9580 10.3 .0 * 49.0 35.7 137 TWO OCEAN PLATEAU 9240 -M .0 * 50.0 40.1 125 WILLOW CREEK 8380 .9 .0 * 63.6 46.0 138 ----- ----- Basin wide percent of average * 131 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 .0 .2 0* 40.8 30.8 132 BLACK BEAR 8170 .0 .0 100* 72.2 54.3 133 CANYON 7870 .0 .0 100* 29.8 23.5 127 FISHER CREEK 9100 4.3 .0 * 60.7 51.8 117 MADISON PLATEAU 7750 .0 .0 100* 51.8 37.7 137 NORTHEAST ENTRANCE 7350 .0 .0 100* 26.8 21.2 126 PARKER PEAK 9400 .0 .7 0* 45.2 26.9 168 SYLVAN LAKE 8420 .0 .0 100* 46.5 33.0 141 THUMB DIVIDE 7980 -M .0 * 34.3 27.4 125 TWO OCEAN PLATEAU 9240 -M .0 * 50.0 40.1 125 WHISKEY CREEK 6800 .0 .0 100* 40.8 30.7 133 WHITE MILL 8700 .0 .0 100* 44.2 39.6 112 WOLVERINE 7650 .0 .0 100* 25.2 21.3 118 ----- ----- Basin wide percent of average 478* 130 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* 31.0 25.4 122 CASTLE CREEK 8400 .0 -M * 15.8 -M * COLD SPRINGS 9630 .0 .0 100* 22.0 20.0 110 DEER PARK 9700 .0 .0 100* 37.1 34.0 109 HOBBS PARK 10100 .0 .0 100* 29.6 24.1 123 LITTLE WARM 9370 .0 .0 100* 26.3 23.0 114 SOUTH PASS 9040 .0 .0 100* 27.3 28.6 95 ST. LAWRENCE ALT 8620 .0 .0 100* 21.6 18.0 120 TOGWOTEE PASS 9580 10.3 .0 * 49.0 35.7 137 TOWNSEND CREEK 8700 .0 .0 100* 23.5 21.6 109 ----- ----- Basin wide percent of average * 116 BIGHORN BASIN BALD MTN. 9380 .0 .0 100* 38.7 29.3 132 BEAR TRAP MEADOW 8200 .0 .0 100* 22.0 17.7 124 BLACKWATER 9780 1.0 .7 143* 44.5 33.3 134 BONE SPRINGS DIV 9350 .0 .0 100* 34.0 26.5 128 EVENING STAR 9200 .0 .9 0* 56.4 39.0 145 GRAVE SPRINGS 8550 .0 .0 100* 23.9 19.5 123 KIRWIN 9550 .0 .0 100* 25.5 21.4 119 MARQUETTE 8760 .0 -M * 21.9 22.0 100 MIDDLE POWDER 7760 .0 .0 100* 25.8 22.5 115 OWL CREEK 8975 .0 .0 100* 16.4 14.1 116 POWDER RIVER PASS 9480 .0 .0 100* 32.9 23.2 142 SHELL CREEK 9580 .0 .0 100* 32.9 24.8 133 SYLVAN LAKE 8420 .0 .0 100* 46.5 33.0 141 SYLVAN ROAD 7120 .0 .0 100* 34.8 26.5 131 TIMBER CREEK 7950 .0 .0 100* 18.0 17.4 103 YOUNTS PEAK 8350 .0 .0 100* 28.3 25.7 110 ----- ----- Basin wide percent of average 63* 127 SHOSHONE RIVER BLACKWATER 9780 1.0 .7 143* 44.5 33.3 134 EVENING STAR 9200 .0 .9 0* 56.4 39.0 145 KIRWIN 9550 .0 .0 100* 25.5 21.4 119 MARQUETTE 8760 .0 -M * 21.9 22.0 100 SYLVAN LAKE 8420 .0 .0 100* 46.5 33.0 141 SYLVAN ROAD 7120 .0 .0 100* 34.8 26.5 131 YOUNTS PEAK 8350 .0 .0 100* 28.3 25.7 110 ----- ----- Basin wide percent of average 63* 128 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 22.0 17.7 124 BIG GOOSE 7990 .0 .0 100* 27.5 18.9 146 BONE SPRINGS DIV 9350 .0 .0 100* 34.0 26.5 128 BURGESS JUNCTION 7880 .0 .0 100* 28.8 22.2 130 CLOUD PEAK RESERVOIR 9860 .0 .0 100* 33.4 26.0 128 DOME LAKE 8880 .0 .0 100* 30.3 24.1 126 GRAVE SPRINGS 8550 .0 .0 100* 23.9 19.5 123 HANSEN SAWMILL 8360 .0 .0 100* 23.1 17.8 130 LITTLE GOOSE 8870 .0 -M * 30.9 -M * MIDDLE POWDER 7760 .0 .0 100* 25.8 22.5 115 POWDER RIVER PASS 9480 .0 .0 100* 32.9 23.2 142 SOLDIER PARK 8720 .0 -M * 23.0 -M * SUCKER CREEK 8880 .0 .0 100* 34.6 25.5 136 TIE CREEK 6870 .0 .0 100* 28.5 20.8 137 ----- ----- Basin wide percent of average * 130 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 32.0 22.3 143 COLE CANYON 5910 .0 .0 100* 30.2 17.7 171 NORTH RAPID CREEK 6130 .0 .0 100* 30.3 19.8 153 ----- ----- Basin wide percent of average * 155 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 .0 -M * 61.2 -M * CINNABAR PARK 9574 -M .0 * 49.4 29.3 169 COLUMBINE 9160 .0 .0 100* -M 34.3 * DIVIDE PEAK 8880 .0 .0 100* 43.2 29.6 146 ELK RIVER 8700 .0 .0 100* 40.0 28.2 142 JOE WRIGHT 10120 .0 .0 100* -M 38.3 * NORTH FRENCH CREEK 10130 5.6 .0 * -M 37.7 * OLD BATTLE 10000 .0 .0 100* 69.3 46.8 148 SAGE CREEK BASIN 7850 -M .0 * -M 17.1 * SOUTH BRUSH CREEK 8440 .0 .0 100* 35.3 26.5 133 TOWER 10500 13.9 1.4 993* 78.2 53.1 147 WEBBER SPRINGS 9250 .0 .0 100* 53.1 37.0 144 WILLOW CREEK PASS 9540 .0 .0 100* 33.7 21.8 155 ----- ----- Basin wide percent of average 1393* 148 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .0 100* 48.9 34.1 143 CASPER MTN. 7900 .0 .0 100* 27.3 26.8 102 DEADMAN HILL 10220 .0 .0 100* 36.6 27.0 136 DEER PARK 9700 .0 .0 100* 37.1 34.0 109 LAPRELE CREEK 8375 .0 .0 100* 25.0 22.7 110 RENO HILL 8400 .0 .0 100* 30.7 27.2 113 ROACH 9700 .0 .0 100* -M 29.0 * SAND LAKE 10050 -M .0 * 56.3 37.4 151 SOUTH PASS 9040 .0 .0 100* 27.3 28.6 95 WINDY PEAK 7900 .0 .0 100* 22.6 19.8 114 ----- ----- Basin wide percent of average * 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * -M 22.6 * DIVIDE PEAK 8880 .0 .0 100* 43.2 29.6 146 OLD BATTLE 10000 .0 .0 100* 69.3 46.8 148 SANDSTONE RS 8150 1.0 .0 * 40.3 26.9 150 WHISKEY PARK 8950 -M .0 * 62.4 40.6 154 ----- ----- Basin wide percent of average * 150 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100* 26.3 21.0 125 BLIND BULL SUM 8650 .0 .0 100* 35.8 30.4 118 EAST RIM DIVIDE 7930 .0 .0 100* 22.2 17.9 124 ELKHART PARK G.S. 9400 .0 .0 100* -M 21.6 * GROS VENTRE SUMMIT 8750 .0 .0 100* 25.4 20.4 125 GUNSIGHT PASS 9820 .8 -M * 31.0 -M * KENDALL R.S. 7740 .0 .0 100* 23.9 20.7 115 LOOMIS PARK 8240 .0 .0 100* 32.5 24.5 133 NEW FORK LAKE 8340 .0 .0 100* 18.8 18.2 103 POCKET CREEK 9360 .0 -M * 24.4 -M * SNIDER BASIN 8060 .0 .0 100* -M 22.0 * SPRING CREEK DIVIDE 9000 -M .0 * -M 35.3 * TRIPLE PEAK 8500 .0 .0 100* 50.2 34.5 146 ----- ----- Basin wide percent of average * 125 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * -M 18.9 * HEWINTA 9519 .0 .0 100* 32.1 22.8 141 HICKERSON PARK 9145 .0 .0 100* 22.1 14.8 149 HOLE-IN-ROCK 9150 .2 .0 * 23.6 14.6 162 INDIAN CREEK 9425 .0 .0 100* 40.8 34.6 118 KELLEY R.S. 8180 .0 .0 100* -M 28.2 * STEEL CREEK PARK 10200 .0 .0 100* 36.7 25.7 143 ----- ----- Basin wide percent of average * 138 UPPER BEAR RIVER BUG LAKE 7950 .0 .0 100* 44.1 26.9 164 HAYDEN FORK 9212 .0 .0 100* 46.3 30.8 150 KELLEY R.S. 8180 .0 .0 100* -M 28.2 * LILY LAKE 9156 .0 .0 100* 36.8 26.2 140 MONTE CRISTO 8960 .1 .0 * 56.0 36.1 155 SALT RIVER SUMMIT 7760 .0 .0 100* 31.6 26.0 122 TRIAL LAKE 9992 .2 .0 * 51.5 36.0 143 ----- ----- Basin wide percent of average * 146 ----------------------------------------------------------------------------- -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.