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 SATURDAY: JUNE 25 , 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 28.7 135 COTTONWOOD CREEK 7670 5.6 .0 * 53.7 37.6 143 GRAND TARGHEE 9260 57.9 -M * 61.2 -M * GRANITE CREEK 6770 .0 .0 100* 37.7 26.5 142 GRASSY LAKE 7265 -M .0 * 63.5 47.6 133 GROS VENTRE SUMMIT 8750 .0 .0 100* 25.1 19.4 129 GUNSIGHT PASS 9820 13.9 -M * 30.9 -M * LEWIS LAKE DIVIDE 7850 15.4 .0 * 55.5 47.7 116 PHILLIPS BENCH 8200 15.0 .0 * 51.0 38.6 132 SALT RIVER SUMMIT 7760 .0 .0 100* 31.6 25.3 125 SNAKE RIVER STATION 6920 -M .0 * 40.7 30.3 134 SPRING CREEK DIVIDE 9000 21.0 .0 * 46.7 34.5 135 THUMB DIVIDE 7980 .2 .0 * 33.4 26.5 126 TOGWOTEE PASS 9580 29.9 7.3 410 49.3 34.6 142 TWO OCEAN PLATEAU 9240 39.7 10.5 378 48.9 38.7 126 WILLOW CREEK 8380 16.4 .0 * 63.4 44.8 142 ----- ----- Basin wide percent of average 804* 133 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 24.1 4.8 502 39.2 29.3 134 BLACK BEAR 8170 36.6 5.6 654 69.4 53.0 131 CANYON 7870 .1 .0 * 29.6 22.3 133 FISHER CREEK 9100 -M 11.4 * 59.5 49.8 119 MADISON PLATEAU 7750 7.8 .0 * 50.0 36.5 137 NORTHEAST ENTRANCE 7350 .0 .0 100* 25.8 19.8 130 PARKER PEAK 9400 27.4 4.5 609 44.1 25.7 172 SYLVAN LAKE 8420 10.2 .7 1457* 45.5 31.7 144 THUMB DIVIDE 7980 .2 .0 * 33.4 26.5 126 TWO OCEAN PLATEAU 9240 39.7 10.5 378 48.9 38.7 126 WHISKEY CREEK 6800 .0 .0 100* 39.4 29.6 133 WHITE MILL 8700 20.5 4.1 500 43.9 38.0 116 WOLVERINE 7650 -M .0 * 23.1 20.1 115 ----- ----- Basin wide percent of average 552* 131 WIND RIVER BURROUGHS CREEK 8750 .3 .0 * 30.5 24.4 125 CASTLE CREEK 8400 .0 -M * 15.6 -M * COLD SPRINGS 9630 .1 .2 50* 21.3 19.1 112 DEER PARK 9700 9.3 .0 * 35.5 33.1 107 HOBBS PARK 10100 6.1 2.0 305 28.6 23.0 124 LITTLE WARM 9370 .0 .0 100* 24.9 21.9 114 SOUTH PASS 9040 .1 .1 100* 27.1 27.8 97 ST. LAWRENCE ALT 8620 .1 .1 100* 21.1 17.2 123 TOGWOTEE PASS 9580 29.9 7.3 410 49.3 34.6 142 TOWNSEND CREEK 8700 .0 .1 0* 23.0 20.7 111 ----- ----- Basin wide percent of average 468* 118 BIGHORN BASIN BALD MTN. 9380 32.8 2.9 1131 37.8 27.8 136 BEAR TRAP MEADOW 8200 .0 .0 100* 21.3 16.5 129 BLACKWATER 9780 31.5 9.8 321 44.3 31.8 139 BONE SPRINGS DIV 9350 14.2 .2 7100* 33.2 25.1 132 EVENING STAR 9200 26.6 8.8 302 54.8 37.3 147 GRAVE SPRINGS 8550 .0 .0 100* 22.5 18.3 123 KIRWIN 9550 .1 .0 * 25.3 20.0 127 MARQUETTE 8760 .0 -M * 21.9 20.8 105 MIDDLE POWDER 7760 .0 .0 100* 24.1 21.4 113 OWL CREEK 8975 .0 .0 100* 15.7 13.2 119 POWDER RIVER PASS 9480 -M .0 * 32.7 22.1 148 SHELL CREEK 9580 14.0 .5 2800* 32.0 23.4 137 SYLVAN LAKE 8420 10.2 .7 1457* 45.5 31.7 144 SYLVAN ROAD 7120 .1 .0 * 33.9 25.4 133 TIMBER CREEK 7950 .1 .0 * 17.5 16.4 107 YOUNTS PEAK 8350 .4 .0 * 27.8 24.2 115 ----- ----- Basin wide percent of average 568* 131 SHOSHONE RIVER BLACKWATER 9780 31.5 9.8 321 44.3 31.8 139 EVENING STAR 9200 26.6 8.8 302 54.8 37.3 147 KIRWIN 9550 .1 .0 * 25.3 20.0 127 MARQUETTE 8760 .0 -M * 21.9 20.8 105 SYLVAN LAKE 8420 10.2 .7 1457* 45.5 31.7 144 SYLVAN ROAD 7120 .1 .0 * 33.9 25.4 133 YOUNTS PEAK 8350 .4 .0 * 27.8 24.2 115 ----- ----- Basin wide percent of average 357* 133 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 21.3 16.5 129 BIG GOOSE 7990 .0 .0 100* 26.5 17.9 148 BONE SPRINGS DIV 9350 14.2 .2 7100* 33.2 25.1 132 BURGESS JUNCTION 7880 .0 .0 100* 27.8 20.8 134 CLOUD PEAK RESERVOIR 9860 3.9 .4 975* 32.1 24.5 131 DOME LAKE 8880 .0 .0 100* 29.6 22.9 129 GRAVE SPRINGS 8550 .0 .0 100* 22.5 18.3 123 HANSEN SAWMILL 8360 .0 .0 100* 22.0 16.7 132 LITTLE GOOSE 8870 .0 -M * 29.9 -M * MIDDLE POWDER 7760 .0 .0 100* 24.1 21.4 113 POWDER RIVER PASS 9480 -M .0 * 32.7 22.1 148 SOLDIER PARK 8720 .0 -M * 22.4 -M * SUCKER CREEK 8880 -M .0 * 33.7 24.1 140 TIE CREEK 6870 .1 .0 * 27.4 19.8 138 ----- ----- Basin wide percent of average 3033* 133 BELLE FOURCHE BLIND PARK 6890 .2 .0 * 30.2 20.6 147 COLE CANYON 5910 .0 .0 100* 26.7 15.9 168 NORTH RAPID CREEK 6130 .1 .0 * 26.8 17.3 155 ----- ----- Basin wide percent of average * 156 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 15.8 -M * 58.6 -M * CINNABAR PARK 9574 11.9 .0 * 47.7 28.3 169 COLUMBINE 9160 .0 .0 100* 49.3 33.5 147 DIVIDE PEAK 8880 .0 .0 100* 41.7 28.8 145 ELK RIVER 8700 .0 .0 100* 38.1 27.4 139 JOE WRIGHT 10120 23.6 2.8 843 55.9 36.9 151 NORTH FRENCH CREEK 10130 33.6 5.6 600 -M 36.3 * OLD BATTLE 10000 33.6 4.7 715 68.4 45.9 149 SAGE CREEK BASIN 7850 .0 .0 100* 26.6 16.7 159 SOUTH BRUSH CREEK 8440 .0 .0 100* 33.6 25.3 133 TOWER 10500 48.4 14.7 329 76.3 52.0 147 WEBBER SPRINGS 9250 .0 .0 100* 52.2 36.2 144 WILLOW CREEK PASS 9540 .0 .0 100* 30.8 20.8 148 ----- ----- Basin wide percent of average 544* 148 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 7.3 1.3 562* 47.9 32.9 146 CASPER MTN. 7900 .0 .3 0* 26.0 26.0 100 DEADMAN HILL 10220 4.5 1.1 409* 35.6 26.2 136 DEER PARK 9700 9.3 .0 * 35.5 33.1 107 LAPRELE CREEK 8375 .0 .0 100* 24.1 21.8 111 RENO HILL 8400 .0 .0 100* 29.6 26.4 112 ROACH 9700 .0 .3 0* 36.8 28.1 131 SAND LAKE 10050 -M 5.9 * 54.2 36.4 149 SOUTH PASS 9040 .1 .1 100* 27.1 27.8 97 WINDY PEAK 7900 .0 .0 100* 21.4 18.9 113 ----- ----- Basin wide percent of average 684* 122 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * 26.5 22.1 120 DIVIDE PEAK 8880 .0 .0 100* 41.7 28.8 145 OLD BATTLE 10000 33.6 4.7 715 68.4 45.9 149 SANDSTONE RS 8150 .9 .0 * 37.8 26.1 145 WHISKEY PARK 8950 -M .5 * 60.2 39.6 152 ----- ----- Basin wide percent of average 734* 144 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100* 25.4 20.2 126 BLIND BULL SUM 8650 27.3 2.1 1300* 34.7 29.6 117 EAST RIM DIVIDE 7930 .0 .0 100* 21.7 17.4 125 ELKHART PARK G.S. 9400 .0 .0 100* 22.1 20.7 107 GROS VENTRE SUMMIT 8750 .0 .0 100* 25.1 19.4 129 GUNSIGHT PASS 9820 13.9 -M * 30.9 -M * KENDALL R.S. 7740 .0 .0 100* 24.3 20.0 122 LOOMIS PARK 8240 .1 .0 * 32.3 23.8 136 NEW FORK LAKE 8340 .0 .0 100* 18.5 17.4 106 POCKET CREEK 9360 -M -M * 23.5 -M * SNIDER BASIN 8060 .0 .0 100* 27.4 21.5 127 SPRING CREEK DIVIDE 9000 21.0 .0 * 46.7 34.5 135 TRIPLE PEAK 8500 7.1 .0 * 49.6 33.6 148 ----- ----- Basin wide percent of average 2643* 127 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 24.0 18.3 131 HEWINTA 9519 .0 .0 100* 29.0 21.6 134 HICKERSON PARK 9145 .0 .0 100* 19.8 13.9 142 HOLE-IN-ROCK 9150 .2 .0 * 20.8 13.7 152 INDIAN CREEK 9425 17.7 .0 * 39.9 33.9 118 KELLEY R.S. 8180 .0 .0 100* 35.5 27.6 129 STEEL CREEK PARK 10200 11.8 1.4 843* 33.6 24.7 136 ----- ----- Basin wide percent of average 2121* 132 UPPER BEAR RIVER BUG LAKE 7950 .0 .0 100* 43.1 26.4 163 HAYDEN FORK 9212 .0 .0 100* 43.7 30.0 146 KELLEY R.S. 8180 .0 .0 100* 35.5 27.6 129 LILY LAKE 9156 .0 .0 100* 34.9 25.6 136 MONTE CRISTO 8960 22.2 .2 11100* 55.6 35.5 157 SALT RIVER SUMMIT 7760 .0 .0 100* 31.6 25.3 125 TRIAL LAKE 9992 20.0 2.0 1000* 48.8 35.1 139 ----- ----- Basin wide percent of average 1918* 143 ----------------------------------------------------------------------------- -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.