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 MONDAY: JUNE 7 , 2010 ----------------------------------------------------------------------------- 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* 20.2 27.5 73 COTTONWOOD CREEK 7670 .7 2.3 30* 32.1 36.3 88 GRAND TARGHEE 9260 43.7 -M * 41.9 -M * GRANITE CREEK 6770 .0 .0 100* 18.0 25.3 71 GRASSY LAKE 7265 6.7 9.5 71 40.8 45.7 89 GROS VENTRE SUMMIT 8750 .1 1.7 6 14.4 18.1 80 GUNSIGHT PASS 9820 6.9 -M * 17.5 -M * LEWIS LAKE DIVIDE 7850 5.1 13.9 37 35.2 46.0 77 PHILLIPS BENCH 8200 4.2 10.7 39 29.1 37.2 78 SALT RIVER SUMMIT 7760 .0 .0 100* 18.6 24.4 76 SNAKE RIVER STATION 6920 .0 .0 100* 26.1 28.8 91 SPRING CREEK DIVIDE 9000 13.2 11.5 115 26.9 33.5 80 THUMB DIVIDE 7980 .3 .0 * 21.7 25.2 86 TOGWOTEE PASS 9580 18.5 19.4 95 -M 33.2 * TWO OCEAN PLATEAU 9240 22.7 22.7 100 29.1 36.9 79 WILLOW CREEK 8380 12.4 10.5 118 42.5 43.2 98 ----- ----- Basin wide percent of average 82 83 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 13.9 17.3 80 21.6 27.5 79 BLACK BEAR 8170 18.5 21.8 85 40.1 51.0 79 CANYON 7870 .0 .5 0* 18.7 20.9 89 FISHER CREEK 9100 27.4 27.5 100 38.9 47.4 82 MADISON PLATEAU 7750 4.4 5.6 79 31.7 34.8 91 NORTHEAST ENTRANCE 7350 .0 .1 0* 16.8 18.1 93 PARKER PEAK 9400 15.5 15.2 102 22.5 23.8 95 SYLVAN LAKE 8420 7.4 8.6 86 30.4 29.7 102 THUMB DIVIDE 7980 .3 .0 * 21.7 25.2 86 TWO OCEAN PLATEAU 9240 22.7 22.7 100 29.1 36.9 79 WHISKEY CREEK 6800 .0 .2 0* 21.4 27.8 77 WHITE MILL 8700 13.3 15.4 86 28.4 35.8 79 WOLVERINE 7650 .0 .0 100* 12.0 18.7 64 ----- ----- Basin wide percent of average 91 84 WIND RIVER BURROUGHS CREEK 8750 1.2 1.9 63 15.5 23.0 67 COLD SPRINGS 9630 .0 .8 0* 19.4 17.6 110 DEER PARK 9700 11.2 6.7 167 29.0 31.5 92 HOBBS PARK 10100 16.2 7.9 205 28.8 21.5 134 LITTLE WARM 9370 .0 .9 0* 16.4 20.5 80 SOUTH PASS 9040 4.2 4.2 100 26.6 26.5 100 ST. LAWRENCE ALT 8620 .0 .3 0* 20.5 15.7 131 TOGWOTEE PASS 9580 18.5 19.4 95 -M 33.2 * TOWNSEND CREEK 8700 .0 1.1 0 25.5 19.3 132 ----- ----- Basin wide percent of average 119 103 BIGHORN BASIN BALD MTN. 9380 14.8 13.7 108 20.0 25.9 77 BEAR TRAP MEADOW 8200 .0 .0 100* 15.4 14.8 104 BLACKWATER 9780 21.2 22.0 96 27.2 29.6 92 BONE SPRINGS DIV 9350 6.7 6.0 112 18.7 23.0 81 EVENING STAR 9200 15.0 23.4 64 33.2 35.1 95 GRAVE SPRINGS 8550 .0 1.0 0* 19.0 16.6 114 KIRWIN 9550 .7 4.1 17 18.5 18.1 102 MARQUETTE 8760 .7 2.9 24 18.9 18.7 101 MIDDLE POWDER 7760 .0 1.1 0* 16.2 19.6 83 OWL CREEK 8975 .0 .3 0* 13.4 11.6 116 POWDER RIVER PASS 9480 .0 1.1 0* 19.3 20.2 96 SHELL CREEK 9580 11.1 7.7 144 19.9 21.2 94 SYLVAN LAKE 8420 7.4 8.6 86 30.4 29.7 102 SYLVAN ROAD 7120 .0 .0 100* 22.1 23.8 93 TIMBER CREEK 7950 .0 .1 0* 16.5 14.9 111 YOUNTS PEAK 8350 .9 4.1 22 16.9 22.6 75 ----- ----- Basin wide percent of average 82 94 SHOSHONE RIVER BLACKWATER 9780 21.2 22.0 96 27.2 29.6 92 EVENING STAR 9200 15.0 23.4 64 33.2 35.1 95 KIRWIN 9550 .7 4.1 17 18.5 18.1 102 MARQUETTE 8760 .7 2.9 24 18.9 18.7 101 SYLVAN LAKE 8420 7.4 8.6 86 30.4 29.7 102 SYLVAN ROAD 7120 .0 .0 100* 22.1 23.8 93 YOUNTS PEAK 8350 .9 4.1 22 16.9 22.6 75 ----- ----- Basin wide percent of average 71 94 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 15.4 14.8 104 BIG GOOSE 7990 .0 .0 100* 20.5 16.7 123 BONE SPRINGS DIV 9350 6.7 6.0 112 18.7 23.0 81 BURGESS JUNCTION 7880 1.6 1.0 160* 19.2 19.0 101 CLOUD PEAK RESERVOIR 9860 11.3 5.2 217 22.9 22.4 102 DOME LAKE 8880 .0 1.9 0 21.8 21.2 103 GRAVE SPRINGS 8550 .0 1.0 0* 19.0 16.6 114 HANSEN SAWMILL 8360 .0 .0 100* 16.6 14.7 113 MIDDLE POWDER 7760 .0 1.1 0* 16.2 19.6 83 POWDER RIVER PASS 9480 .0 1.1 0* 19.3 20.2 96 SUCKER CREEK 8880 7.0 2.0 350 24.3 22.1 110 TIE CREEK 6870 .0 .1 0* 20.8 17.8 117 ----- ----- Basin wide percent of average 137* 103 BELLE FOURCHE BLIND PARK 6890 .0 .1 0* 21.1 18.6 113 COLE CANYON 5910 .0 .0 100* 19.9 13.6 146 NORTH RAPID CREEK 6130 .0 .0 100* 19.3 14.8 130 ----- ----- Basin wide percent of average 0* 128 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .6 0* 30.6 32.5 94 DIVIDE PEAK 8880 .0 2.0 0* 32.9 27.9 118 ELK RIVER 8700 .0 .5 0* 27.5 26.3 105 JOE WRIGHT 10120 11.8 13.6 87 31.3 35.4 88 NORTH FRENCH CREEK 10130 31.5 19.9 158 46.2 34.8 133 OLD BATTLE 10000 31.3 21.6 145 49.1 44.7 110 SAGE CREEK BASIN 7850 .0 1.2 0* 18.5 16.2 114 SOUTH BRUSH CREEK 8440 .0 1.0 0* 28.5 24.1 118 TOWER 10500 25.0 37.5 67 45.8 50.5 91 WEBBER SPRINGS 9250 4.9 4.0 123 38.2 35.1 109 WILLOW CREEK PASS 9540 -M 1.7 * 18.4 19.3 95 ----- ----- Basin wide percent of average 103* 106 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 8.0 8.4 95 30.6 31.6 97 CASPER MTN. 7900 .1 2.8 4 22.3 24.5 91 DEADMAN HILL 10220 15.5 8.5 182 26.8 25.1 107 DEER PARK 9700 11.2 6.7 167 29.0 31.5 92 LAPRELE CREEK 8375 .0 .3 0* 19.6 20.6 95 RENO HILL 8400 .2 2.3 9 28.3 25.2 112 ROACH 9700 1.3 4.1 32 29.9 26.9 111 SAND LAKE 10050 33.4 21.4 156 42.3 34.8 122 SOUTH PASS 9040 4.2 4.2 100 26.6 26.5 100 WINDY PEAK 7900 .2 .0 * 20.5 17.5 117 ----- ----- Basin wide percent of average 126 104 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 20.9 21.2 99 DIVIDE PEAK 8880 .0 2.0 0* 32.9 27.9 118 OLD BATTLE 10000 31.3 21.6 145 49.1 44.7 110 SANDSTONE RS 8150 .1 .0 * 24.0 25.1 96 WHISKEY PARK 8950 4.6 9.3 49 41.5 38.3 108 ----- ----- Basin wide percent of average 109* 107 UPPER GREEN RIVER BIG SANDY OPENING 9080 .1 .0 * 14.3 19.0 75 BLIND BULL SUM 8650 12.4 14.9 83 20.5 28.5 72 EAST RIM DIVIDE 7930 .2 .0 * 10.7 16.4 65 ELKHART PARK G.S. 9400 .1 1.2 8* 13.5 19.5 69 GROS VENTRE SUMMIT 8750 .1 1.7 6 14.4 18.1 80 GUNSIGHT PASS 9820 6.9 -M * 17.5 -M * KENDALL R.S. 7740 .1 .0 * 12.8 19.0 67 LOOMIS PARK 8240 .2 .0 * 14.7 22.8 64 NEW FORK LAKE 8340 .0 .0 100* 11.7 16.3 72 POCKET CREEK 9360 -M -M * 15.8 -M * SNIDER BASIN 8060 .0 .0 100* 17.0 20.7 82 SPRING CREEK DIVIDE 9000 13.2 11.5 115 26.9 33.5 80 TRIPLE PEAK 8500 4.1 .8 513* 31.3 32.3 97 ----- ----- Basin wide percent of average 101* 76 LOWER GREEN RIVER HAMS FORK 7840 .3 .0 * 15.8 17.3 91 HEWINTA 9519 .0 .1 0* 18.2 20.6 88 HICKERSON PARK 9145 .0 .0 100* 16.1 12.9 125 HOLE-IN-ROCK 9150 .0 .0 100* 15.5 12.6 123 INDIAN CREEK 9425 12.4 11.6 107 25.6 32.9 78 KELLEY R.S. 8180 .0 .0 100* 20.5 26.6 77 STEEL CREEK PARK 10200 10.6 9.3 114 22.7 23.6 96 ----- ----- Basin wide percent of average 111* 92 UPPER BEAR RIVER BUG LAKE 7950 .0 1.3 0* 21.9 25.5 86 HAYDEN FORK 9212 .0 .6 0* 25.1 28.9 87 KELLEY R.S. 8180 .0 .0 100* 20.5 26.6 77 LILY LAKE 9156 .0 .7 0* 21.2 24.5 87 MONTE CRISTO 8960 7.0 9.2 76 28.5 34.5 83 SALT RIVER SUMMIT 7760 .0 .0 100* 18.6 24.4 76 TRIAL LAKE 9992 5.3 11.6 46 24.1 33.9 71 ----- ----- Basin wide percent of average 53* 81 ----------------------------------------------------------------------------- -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.