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 THURSDAY: JUNE 24 , 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* 22.3 28.6 78 COTTONWOOD CREEK 7670 .0 .0 100* 34.6 37.5 92 GRAND TARGHEE 9260 31.2 -M * 44.8 -M * GRANITE CREEK 6770 .0 .0 100* 19.6 26.4 74 GRASSY LAKE 7265 .1 .0 * 43.2 47.5 91 GROS VENTRE SUMMIT 8750 .1 .0 * 16.2 19.3 84 GUNSIGHT PASS 9820 .6 -M * 19.3 -M * LEWIS LAKE DIVIDE 7850 .2 .0 * 37.4 47.5 79 PHILLIPS BENCH 8200 .0 .0 100* 31.2 38.5 81 SALT RIVER SUMMIT 7760 .0 .0 100* 20.3 25.2 81 SNAKE RIVER STATION 6920 .0 .0 100* 27.9 30.2 92 SPRING CREEK DIVIDE 9000 .2 .0 * 29.0 34.4 84 THUMB DIVIDE 7980 .1 .0 * 23.8 26.4 90 TOGWOTEE PASS 9580 10.6 8.7 122 -M 34.5 * TWO OCEAN PLATEAU 9240 8.0 11.9 67 31.6 38.5 82 WILLOW CREEK 8380 .0 .0 100* 45.3 44.7 101 ----- ----- Basin wide percent of average 94* 86 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 3.7 6.1 61 23.7 29.1 81 BLACK BEAR 8170 .4 7.2 6 42.4 52.8 80 CANYON 7870 .0 .0 100* 19.8 22.2 89 FISHER CREEK 9100 11.3 13.4 84 41.4 49.6 83 MADISON PLATEAU 7750 .1 .1 100* 32.8 36.3 90 NORTHEAST ENTRANCE 7350 .0 .0 100* 18.5 19.6 94 PARKER PEAK 9400 2.7 5.5 49 24.5 25.5 96 SYLVAN LAKE 8420 .1 1.3 8* 33.9 31.5 108 THUMB DIVIDE 7980 .1 .0 * 23.8 26.4 90 TWO OCEAN PLATEAU 9240 8.0 11.9 67 31.6 38.5 82 WHISKEY CREEK 6800 .0 .0 100* -M 29.4 * WHITE MILL 8700 1.2 5.3 23 30.8 37.8 81 WOLVERINE 7650 .0 .0 100* 13.5 20.0 68 ----- ----- Basin wide percent of average 54* 86 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100* -M 24.3 * COLD SPRINGS 9630 .0 .0 100* 22.0 19.0 116 DEER PARK 9700 .0 .4 0* 33.0 33.0 100 HOBBS PARK 10100 3.9 2.3 170 32.9 22.9 144 LITTLE WARM 9370 .0 .0 100* 19.5 21.7 90 SOUTH PASS 9040 .1 .4 25* 30.3 27.7 109 ST. LAWRENCE ALT 8620 .0 .0 100* 23.5 17.1 137 TOGWOTEE PASS 9580 10.6 8.7 122 -M 34.5 * TOWNSEND CREEK 8700 .0 .0 100* 28.6 20.6 139 ----- ----- Basin wide percent of average 124* 117 BIGHORN BASIN BALD MTN. 9380 3.9 3.8 103 23.2 27.7 84 BEAR TRAP MEADOW 8200 -M .0 * -M 16.4 * BLACKWATER 9780 9.5 11.6 82 29.5 31.6 93 BONE SPRINGS DIV 9350 .0 .5 0* 21.7 24.9 87 EVENING STAR 9200 .5 10.6 5 35.6 37.2 96 GRAVE SPRINGS 8550 .0 .0 100* -M 18.1 * KIRWIN 9550 .0 .1 0* 20.9 19.8 106 MARQUETTE 8760 .0 .4 0* 22.2 20.6 108 MIDDLE POWDER 7760 .0 .0 100* -M 21.2 * OWL CREEK 8975 .0 .0 100* 15.0 13.1 115 POWDER RIVER PASS 9480 .0 .0 100* 22.5 21.9 103 SHELL CREEK 9580 .0 1.1 0* 22.6 23.2 97 SYLVAN LAKE 8420 .1 1.3 8* 33.9 31.5 108 SYLVAN ROAD 7120 .0 .0 100* 24.2 25.2 96 TIMBER CREEK 7950 .1 .0 * 19.3 16.3 118 YOUNTS PEAK 8350 .0 .0 100* 19.3 24.1 80 ----- ----- Basin wide percent of average 48* 98 SHOSHONE RIVER BLACKWATER 9780 9.5 11.6 82 29.5 31.6 93 EVENING STAR 9200 .5 10.6 5 35.6 37.2 96 KIRWIN 9550 .0 .1 0* 20.9 19.8 106 MARQUETTE 8760 .0 .4 0* 22.2 20.6 108 SYLVAN LAKE 8420 .1 1.3 8* 33.9 31.5 108 SYLVAN ROAD 7120 .0 .0 100* 24.2 25.2 96 YOUNTS PEAK 8350 .0 .0 100* 19.3 24.1 80 ----- ----- Basin wide percent of average 42* 98 POWDER-TONGUE BEAR TRAP MEADOW 8200 -M .0 * -M 16.4 * BIG GOOSE 7990 .0 .0 100* 22.0 17.7 124 BONE SPRINGS DIV 9350 .0 .5 0* 21.7 24.9 87 BURGESS JUNCTION 7880 .1 .0 * 20.6 20.7 100 CLOUD PEAK RESERVOIR 9860 .1 .7 14* 25.2 24.3 104 DOME LAKE 8880 .1 .0 * 24.7 22.8 108 GRAVE SPRINGS 8550 .0 .0 100* -M 18.1 * HANSEN SAWMILL 8360 .1 .0 * 19.0 16.5 115 MIDDLE POWDER 7760 .0 .0 100* -M 21.2 * POWDER RIVER PASS 9480 .0 .0 100* 22.5 21.9 103 SUCKER CREEK 8880 .1 .0 * 26.4 24.0 110 TIE CREEK 6870 .0 .0 100* 22.9 19.7 116 ----- ----- Basin wide percent of average 42* 106 BELLE FOURCHE BLIND PARK 6890 .1 .0 * 25.2 20.4 124 COLE CANYON 5910 .2 .0 * 23.6 15.7 150 NORTH RAPID CREEK 6130 .1 .0 * 23.4 17.0 138 ----- ----- Basin wide percent of average * 136 UPPER N. PLATTE RIVER COLUMBINE 9160 -M .0 * 32.4 33.4 97 DIVIDE PEAK 8880 .0 .0 100* 35.2 28.8 122 ELK RIVER 8700 .0 .0 100* 28.5 27.3 104 JOE WRIGHT 10120 .0 3.4 0 32.8 36.8 89 NORTH FRENCH CREEK 10130 12.8 6.8 188 49.1 36.2 136 OLD BATTLE 10000 10.3 6.2 166 51.6 45.8 113 SAGE CREEK BASIN 7850 .0 .0 100* 20.7 16.7 124 SOUTH BRUSH CREEK 8440 .0 .0 100* 30.4 25.2 121 TOWER 10500 5.4 16.9 32 48.2 51.9 93 WEBBER SPRINGS 9250 .0 .2 0* 40.4 36.1 112 WILLOW CREEK PASS 9540 1.1 .0 * 23.2 20.6 113 ----- ----- Basin wide percent of average 88* 109 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 1.7 0* 33.9 32.8 103 CASPER MTN. 7900 .0 .4 0* 25.7 25.8 100 DEADMAN HILL 10220 -M 1.4 * 28.9 26.1 111 DEER PARK 9700 .0 .4 0* 33.0 33.0 100 LAPRELE CREEK 8375 -M .0 * 23.3 21.7 107 RENO HILL 8400 .0 .0 100* 30.9 26.3 117 ROACH 9700 .0 .4 0* 32.4 28.0 116 SAND LAKE 10050 15.5 7.1 218 45.3 36.3 125 SOUTH PASS 9040 .1 .4 25* 30.3 27.7 109 WINDY PEAK 7900 .1 .0 * 24.9 18.8 132 ----- ----- Basin wide percent of average 151* 112 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * 22.6 22.0 103 DIVIDE PEAK 8880 .0 .0 100* 35.2 28.8 122 OLD BATTLE 10000 10.3 6.2 166 51.6 45.8 113 SANDSTONE RS 8150 -M .0 * 26.0 26.0 100 WHISKEY PARK 8950 .1 .9 11* 43.5 39.5 110 ----- ----- Basin wide percent of average 146* 110 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100* 16.9 20.1 84 BLIND BULL SUM 8650 .0 3.6 0 -M 29.5 * EAST RIM DIVIDE 7930 .1 .0 * 12.1 17.3 70 ELKHART PARK G.S. 9400 .0 .0 100* 15.3 20.6 74 GROS VENTRE SUMMIT 8750 .1 .0 * 16.2 19.3 84 GUNSIGHT PASS 9820 .6 -M * 19.3 -M * KENDALL R.S. 7740 .1 .0 * 13.7 19.9 69 LOOMIS PARK 8240 .1 .0 * 16.2 23.7 68 NEW FORK LAKE 8340 .0 .0 100* 12.6 17.3 73 POCKET CREEK 9360 -M -M * 17.3 -M * SNIDER BASIN 8060 .0 .0 100* 18.9 21.4 88 SPRING CREEK DIVIDE 9000 .2 .0 * 29.0 34.4 84 TRIPLE PEAK 8500 .1 .0 * 33.5 33.5 100 ----- ----- Basin wide percent of average 19* 81 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 * 17.9 18.2 98 HEWINTA 9519 .0 .0 100* 20.3 21.5 94 HICKERSON PARK 9145 .0 .0 100* 17.8 13.8 129 HOLE-IN-ROCK 9150 .0 .0 100* 17.4 13.6 128 INDIAN CREEK 9425 .0 .0 100* 28.1 33.9 83 KELLEY R.S. 8180 .0 .0 100* 21.7 27.5 79 STEEL CREEK PARK 10200 .0 1.9 0 24.9 24.6 101 ----- ----- Basin wide percent of average 11* 97 UPPER BEAR RIVER BUG LAKE 7950 .2 .0 * 24.2 26.3 92 HAYDEN FORK 9212 .0 .0 100* 28.1 29.9 94 KELLEY R.S. 8180 .0 .0 100* 21.7 27.5 79 LILY LAKE 9156 .0 .0 100* 23.9 25.5 94 MONTE CRISTO 8960 .0 .8 0* 30.5 35.5 86 SALT RIVER SUMMIT 7760 .0 .0 100* 20.3 25.2 81 TRIAL LAKE 9992 .0 2.7 0 26.9 35.0 77 ----- ----- Basin wide percent of average 6* 86 ----------------------------------------------------------------------------- -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.