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: JUNE 28 , 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 28.9 133 COTTONWOOD CREEK 7670 .9 .0 * 53.7 37.7 142 GRAND TARGHEE 9260 53.4 -M * 61.1 -M * GRANITE CREEK 6770 .0 .0 100* 37.8 26.6 142 GRASSY LAKE 7265 -M .0 * 63.4 47.8 133 GROS VENTRE SUMMIT 8750 .0 .0 100* 25.2 19.6 129 GUNSIGHT PASS 9820 -M -M * 30.9 -M * LEWIS LAKE DIVIDE 7850 10.0 .0 * 55.6 47.9 116 PHILLIPS BENCH 8200 11.3 .0 * 51.0 38.8 131 SALT RIVER SUMMIT 7760 .0 .0 100* 31.6 25.4 124 SNAKE RIVER STATION 6920 -M .0 * 40.7 30.5 133 SPRING CREEK DIVIDE 9000 17.0 .0 * 46.7 34.6 135 THUMB DIVIDE 7980 .1 .0 * 33.4 26.7 125 TOGWOTEE PASS 9580 27.0 5.1 529 49.3 34.8 142 TWO OCEAN PLATEAU 9240 35.8 8.3 431 48.9 39.0 125 WILLOW CREEK 8380 12.1 .0 * 63.4 45.0 141 ----- ----- Basin wide percent of average 852* 132 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 21.6 3.1 697 39.2 29.6 132 BLACK BEAR 8170 31.5 3.9 808* 69.3 53.3 130 CANYON 7870 .0 .0 100* 29.6 22.5 132 FISHER CREEK 9100 37.7 8.5 444 59.5 50.2 119 MADISON PLATEAU 7750 3.0 .0 * 50.0 36.7 136 NORTHEAST ENTRANCE 7350 .0 .0 100* 25.8 20.0 129 PARKER PEAK 9400 23.2 3.0 773 44.1 25.9 170 SYLVAN LAKE 8420 6.3 .2 3150* 45.5 31.9 143 THUMB DIVIDE 7980 .1 .0 * 33.4 26.7 125 TWO OCEAN PLATEAU 9240 35.8 8.3 431 48.9 39.0 125 WHISKEY CREEK 6800 .0 .0 100* 39.4 29.8 132 WHITE MILL 8700 17.7 2.4 738* 43.9 38.2 115 WOLVERINE 7650 -M .0 * 23.1 20.3 114 ----- ----- Basin wide percent of average 602* 130 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* 30.6 24.6 124 CASTLE CREEK 8400 .0 -M * 15.5 -M * COLD SPRINGS 9630 .1 .0 * 21.5 19.2 112 DEER PARK 9700 3.1 .0 * 35.9 33.3 108 HOBBS PARK 10100 1.7 1.3 131* 29.3 23.2 126 LITTLE WARM 9370 .0 .1 0* 25.0 22.0 114 SOUTH PASS 9040 .2 .0 * 27.2 28.0 97 ST. LAWRENCE ALT 8620 .0 .0 100* 21.2 17.4 122 TOGWOTEE PASS 9580 27.0 5.1 529 49.3 34.8 142 TOWNSEND CREEK 8700 .0 .0 100* 23.1 20.8 111 ----- ----- Basin wide percent of average 494* 118 BIGHORN BASIN BALD MTN. 9380 -M 1.9 * 37.9 28.1 135 BEAR TRAP MEADOW 8200 .0 .0 100* 21.4 16.8 127 BLACKWATER 9780 30.1 7.4 407 44.3 32.1 138 BONE SPRINGS DIV 9350 9.8 .0 * 33.4 25.4 131 EVENING STAR 9200 24.3 6.3 386 54.9 37.6 146 GRAVE SPRINGS 8550 .0 .0 100* 22.6 18.5 122 KIRWIN 9550 .0 .0 100* 25.3 20.2 125 MARQUETTE 8760 .0 -M * 21.9 21.0 104 MIDDLE POWDER 7760 .0 .0 100* 23.9 21.6 111 OWL CREEK 8975 .0 .0 100* 15.7 13.4 117 POWDER RIVER PASS 9480 .0 .0 100* 33.1 22.3 148 SHELL CREEK 9580 10.6 .2 5300* 32.1 23.6 136 SYLVAN LAKE 8420 6.3 .2 3150* 45.5 31.9 143 SYLVAN ROAD 7120 .0 .0 100* 33.9 25.6 132 TIMBER CREEK 7950 .0 .0 100* 17.5 16.6 105 YOUNTS PEAK 8350 .0 .0 100* 27.8 24.5 113 ----- ----- Basin wide percent of average 575* 130 SHOSHONE RIVER BLACKWATER 9780 30.1 7.4 407 44.3 32.1 138 EVENING STAR 9200 24.3 6.3 386 54.9 37.6 146 KIRWIN 9550 .0 .0 100* 25.3 20.2 125 MARQUETTE 8760 .0 -M * 21.9 21.0 104 SYLVAN LAKE 8420 6.3 .2 3150* 45.5 31.9 143 SYLVAN ROAD 7120 .0 .0 100* 33.9 25.6 132 YOUNTS PEAK 8350 .0 .0 100* 27.8 24.5 113 ----- ----- Basin wide percent of average 437* 131 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 21.4 16.8 127 BIG GOOSE 7990 .0 .0 100* 27.0 18.0 150 BONE SPRINGS DIV 9350 9.8 .0 * 33.4 25.4 131 BURGESS JUNCTION 7880 .0 .0 100* 27.8 21.1 132 CLOUD PEAK RESERVOIR 9860 .2 .0 * 32.7 24.8 132 DOME LAKE 8880 .0 .0 100* 29.9 23.1 129 GRAVE SPRINGS 8550 .0 .0 100* 22.6 18.5 122 HANSEN SAWMILL 8360 .0 .0 100* 22.2 16.9 131 LITTLE GOOSE 8870 .0 -M * 30.2 -M * MIDDLE POWDER 7760 .0 .0 100* 23.9 21.6 111 POWDER RIVER PASS 9480 .0 .0 100* 33.1 22.3 148 SOLDIER PARK 8720 .0 -M * 22.5 -M * SUCKER CREEK 8880 -M .0 * 34.3 24.4 141 TIE CREEK 6870 .1 .0 * 27.4 20.0 137 ----- ----- Basin wide percent of average * 133 BELLE FOURCHE BLIND PARK 6890 .1 .0 * 30.2 20.9 144 COLE CANYON 5910 .0 .0 100* 26.8 16.3 164 NORTH RAPID CREEK 6130 .0 .0 100* 27.2 17.7 154 ----- ----- Basin wide percent of average * 153 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 9.2 -M * 58.6 -M * CINNABAR PARK 9574 5.9 .0 * 47.8 28.5 168 COLUMBINE 9160 .0 .0 100* 49.3 33.6 147 DIVIDE PEAK 8880 -M .0 * 41.7 28.9 144 ELK RIVER 8700 .0 .0 100* 38.1 27.5 139 JOE WRIGHT 10120 18.0 1.9 947* 55.9 37.1 151 NORTH FRENCH CREEK 10130 30.4 4.0 760 -M 36.5 * OLD BATTLE 10000 27.5 2.9 948* 68.4 46.1 148 SAGE CREEK BASIN 7850 .0 .0 100* 26.6 16.8 158 SOUTH BRUSH CREEK 8440 .0 .0 100* 33.6 25.5 132 TOWER 10500 42.9 11.5 373 76.4 52.2 146 WEBBER SPRINGS 9250 .0 .0 100* 52.1 36.3 144 WILLOW CREEK PASS 9540 .0 .0 100* 30.8 20.9 147 ----- ----- Basin wide percent of average 614* 147 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.7 .8 213* 47.7 33.1 144 CASPER MTN. 7900 .0 .2 0* 26.1 26.1 100 DEADMAN HILL 10220 4.2 .7 600* 35.6 26.3 135 DEER PARK 9700 3.1 .0 * 35.9 33.3 108 LAPRELE CREEK 8375 .0 .0 100* 24.1 21.9 110 RENO HILL 8400 .0 .0 100* 29.7 26.5 112 ROACH 9700 .0 .1 0* 36.8 28.3 130 SAND LAKE 10050 -M 4.4 * 54.2 36.6 148 SOUTH PASS 9040 .2 .0 * 27.2 28.0 97 WINDY PEAK 7900 .0 .0 100* 21.5 19.0 113 ----- ----- Basin wide percent of average 511* 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * -M 22.1 * DIVIDE PEAK 8880 -M .0 * 41.7 28.9 144 OLD BATTLE 10000 27.5 2.9 948* 68.4 46.1 148 SANDSTONE RS 8150 -M .0 * 37.8 26.2 144 WHISKEY PARK 8950 -M .0 * 60.2 39.7 152 ----- ----- Basin wide percent of average 948* 148 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100* 25.4 20.3 125 BLIND BULL SUM 8650 23.2 .0 * 34.6 29.7 116 EAST RIM DIVIDE 7930 .0 .0 100* 21.7 17.5 124 ELKHART PARK G.S. 9400 .0 .0 100* 22.2 20.9 106 GROS VENTRE SUMMIT 8750 .0 .0 100* 25.2 19.6 129 GUNSIGHT PASS 9820 -M -M * 30.9 -M * KENDALL R.S. 7740 .0 .0 100* 24.2 20.1 120 LOOMIS PARK 8240 .1 .0 * 32.1 23.9 134 NEW FORK LAKE 8340 .0 .0 100* 18.7 17.6 106 POCKET CREEK 9360 -M -M * 23.3 -M * SNIDER BASIN 8060 .0 .0 100* 27.4 21.6 127 SPRING CREEK DIVIDE 9000 17.0 .0 * 46.7 34.6 135 TRIPLE PEAK 8500 2.2 .0 * 49.7 33.8 147 ----- ----- Basin wide percent of average * 126 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 24.1 18.4 131 HEWINTA 9519 .0 .0 100* 29.0 21.8 133 HICKERSON PARK 9145 .0 .0 100* 19.7 14.0 141 HOLE-IN-ROCK 9150 .2 .0 * 20.8 13.8 151 INDIAN CREEK 9425 13.5 .0 * 40.0 34.0 118 KELLEY R.S. 8180 .0 .0 100* 35.4 27.7 128 STEEL CREEK PARK 10200 8.4 .8 1050* 33.6 24.8 135 ----- ----- Basin wide percent of average 2763* 131 UPPER BEAR RIVER BUG LAKE 7950 .0 .0 100* 43.1 26.5 163 HAYDEN FORK 9212 .0 .0 100* 43.7 30.1 145 KELLEY R.S. 8180 .0 .0 100* 35.4 27.7 128 LILY LAKE 9156 .0 .0 100* 34.9 25.7 136 MONTE CRISTO 8960 16.5 .0 * 55.7 35.6 156 SALT RIVER SUMMIT 7760 .0 .0 100* 31.6 25.4 124 TRIAL LAKE 9992 13.5 1.1 1227* 48.7 35.3 138 ----- ----- Basin wide percent of average 2727* 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.