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 4 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .1 .0 34.9 29.1 120 COTTONWOOD CREEK 7670 .0 .0 100 -M 37.9 * GRAND TARGHEE 9260 23.1 -M * 48.6 -M * GRANITE CREEK 6770 .0 .0 100 31.9 26.8 119 GRASSY LAKE 7265 .0 .0 100 56.9 48.2 118 GROS VENTRE SUMMIT 8750 .1 .0 19.8 19.9 99 GUNSIGHT PASS 9820 .0 -M * 21.3 -M * LEWIS LAKE DIVIDE 7850 .6 .0 49.0 48.2 102 PHILLIPS BENCH 8200 .0 .0 100 44.8 39.0 115 SALT RIVER SUMMIT 7760 .0 .0 100 22.2 25.6 87 SNAKE RIVER STATION 6920 .0 .0 100 36.5 30.8 119 SPRING CREEK DIVIDE 9000 -M .0 * 31.9 34.9 91 THUMB DIVIDE 7980 .1 .0 29.3 26.9 109 TOGWOTEE PASS 9580 7.2 .7 1029 41.3 35.1 118 TWO OCEAN PLATEAU 9240 8.0 3.8 211 44.5 39.4 113 WILLOW CREEK 8380 .0 .0 100 53.4 45.4 118 ----- ----- Basin wide percent of average 338 110 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 7.3 1.4 521 34.6 30.0 115 BLACK BEAR 8170 6.1 1.4 436 56.6 53.7 105 CANYON 7870 .0 .0 100 28.8 22.9 126 FISHER CREEK 9100 14.4 3.1 465 52.7 50.8 104 MADISON PLATEAU 7750 .1 .0 44.3 37.1 119 NORTHEAST ENTRANCE 7350 .2 .0 22.1 20.4 108 PARKER PEAK 9400 .2 1.6 12 40.6 26.3 154 SYLVAN LAKE 8420 .0 .0 100 40.7 32.3 126 THUMB DIVIDE 7980 .1 .0 29.3 26.9 109 TWO OCEAN PLATEAU 9240 8.0 3.8 211 44.5 39.4 113 WHISKEY CREEK 6800 .0 .0 100 -M 30.2 * WHITE MILL 8700 1.1 .5 220 38.8 38.8 100 WOLVERINE 7650 .1 .0 23.1 20.6 112 ----- ----- Basin wide percent of average 314 114 WIND RIVER BURROUGHS CREEK 8750 .0 .0 100 26.2 24.8 106 COLD SPRINGS 9630 .0 .0 100 18.4 19.5 94 DEER PARK 9700 .4 .0 31.1 33.5 93 HOBBS PARK 10100 .0 .6 0 25.7 23.6 109 LITTLE WARM 9370 .0 .0 100 22.6 22.3 101 SOUTH PASS 9040 .2 .0 27.5 28.2 98 ST. LAWRENCE ALT 8620 -M .0 * -M 17.6 * TOGWOTEE PASS 9580 7.2 .7 1029 41.3 35.1 118 TOWNSEND CREEK 8700 .0 .0 100 21.7 21.1 103 ----- ----- Basin wide percent of average 554 103 BIGHORN BASIN BALD MTN. 9380 .0 .6 0 29.0 28.5 102 BEAR TRAP MEADOW 8200 .0 .0 100 21.1 17.1 123 BLACKWATER 9780 9.2 3.6 256 38.2 32.5 118 BONE SPRINGS DIV 9350 .0 .0 100 30.3 25.8 117 EVENING STAR 9200 6.3 3.1 203 51.7 38.2 135 GRAVE SPRINGS 8550 .0 .0 100 19.7 18.9 104 KIRWIN 9550 .0 .0 100 23.5 20.6 114 MARQUETTE 8760 .0 .0 100 23.5 21.4 110 MIDDLE POWDER 7760 .1 .0 19.4 22.0 88 OWL CREEK 8975 .1 .0 14.4 13.6 106 POWDER RIVER PASS 9480 .0 .0 100 27.4 22.7 121 SHELL CREEK 9580 .1 .1 100 28.1 24.1 117 SYLVAN LAKE 8420 .0 .0 100 40.7 32.3 126 SYLVAN ROAD 7120 .0 .0 100 31.6 25.9 122 TIMBER CREEK 7950 .2 .0 20.5 16.8 122 YOUNTS PEAK 8350 .0 .0 100 25.9 24.9 104 ----- ----- Basin wide percent of average 211 115 SHOSHONE RIVER BLACKWATER 9780 9.2 3.6 256 38.2 32.5 118 EVENING STAR 9200 6.3 3.1 203 51.7 38.2 135 KIRWIN 9550 .0 .0 100 23.5 20.6 114 MARQUETTE 8760 .0 .0 100 23.5 21.4 110 SYLVAN LAKE 8420 .0 .0 100 40.7 32.3 126 SYLVAN ROAD 7120 .0 .0 100 31.6 25.9 122 YOUNTS PEAK 8350 .0 .0 100 25.9 24.9 104 ----- ----- Basin wide percent of average 231 120 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100 21.1 17.1 123 BIG GOOSE 7990 .2 .0 24.3 18.3 133 BONE SPRINGS DIV 9350 .0 .0 100 30.3 25.8 117 BURGESS JUNCTION 7880 .0 .0 100 27.3 21.5 127 CLOUD PEAK RESERVOIR 9860 .1 .0 32.6 25.2 129 DOME LAKE 8880 .0 .0 100 29.4 23.5 125 GRAVE SPRINGS 8550 .0 .0 100 19.7 18.9 104 HANSEN SAWMILL 8360 .0 .0 100 24.3 17.2 141 MIDDLE POWDER 7760 .1 .0 19.4 22.0 88 POWDER RIVER PASS 9480 .0 .0 100 27.4 22.7 121 SUCKER CREEK 8880 .0 .0 100 31.8 24.8 128 TIE CREEK 6870 -M .0 * 24.9 20.3 123 ----- ----- Basin wide percent of average * 121 BELLE FOURCHE BLIND PARK 6890 .0 .0 100 23.1 21.4 108 COLE CANYON 5910 .1 .0 23.9 16.8 142 NORTH RAPID CREEK 6130 .0 .0 100 25.3 18.3 138 ----- ----- Basin wide percent of average * 128 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .0 100 36.9 33.8 109 DIVIDE PEAK 8880 -M .0 * 32.1 29.1 110 ELK RIVER 8700 .2 .0 30.3 27.7 109 JOE WRIGHT 10120 .3 .8 37 40.5 37.6 108 NORTH FRENCH CREEK 10130 -M 1.7 * 41.4 36.9 112 OLD BATTLE 10000 .0 .9 0 51.2 46.3 111 SAGE CREEK BASIN 7850 .0 .0 100 22.8 16.9 135 SOUTH BRUSH CREEK 8440 .0 .0 100 23.9 25.8 93 TOWER 10500 .2 6.5 3 54.0 52.5 103 WEBBER SPRINGS 9250 -M .0 * 40.0 36.5 110 WILLOW CREEK PASS 9540 -M .0 * 24.0 21.2 113 ----- ----- Basin wide percent of average 6 109 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .1 0 32.0 33.4 96 CASPER MTN. 7900 .0 .0 100 30.5 26.3 116 DEADMAN HILL 10220 .3 .2 150 28.8 26.6 108 DEER PARK 9700 .4 .0 31.1 33.5 93 LAPRELE CREEK 8375 .0 .0 100 22.0 22.2 99 RENO HILL 8400 -M .0 * 32.5 26.7 122 ROACH 9700 .0 .0 100 32.1 28.5 113 SAND LAKE 10050 .0 2.2 0 43.3 36.8 118 SOUTH PASS 9040 .2 .0 27.5 28.2 98 WINDY PEAK 7900 .5 .0 19.4 19.3 101 ----- ----- Basin wide percent of average 12 106 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 23.0 22.3 103 DIVIDE PEAK 8880 -M .0 * 32.1 29.1 110 OLD BATTLE 10000 .0 .9 0 51.2 46.3 111 SANDSTONE RS 8150 -M .0 * 28.4 26.4 108 WHISKEY PARK 8950 .0 .0 100 46.6 40.0 116 ----- ----- Basin wide percent of average 0 110 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100 19.3 20.6 94 BLIND BULL SUM 8650 .0 .0 100 25.2 29.9 84 EAST RIM DIVIDE 7930 .0 .0 100 15.7 17.6 89 ELKHART PARK G.S. 9400 .0 .0 100 17.1 21.1 81 GROS VENTRE SUMMIT 8750 .1 .0 19.8 19.9 99 GUNSIGHT PASS 9820 .0 -M * 21.3 -M * KENDALL R.S. 7740 .0 .0 100 18.2 20.3 90 LOOMIS PARK 8240 .0 .0 100 23.2 24.1 96 NEW FORK LAKE 8340 .0 .0 100 14.1 17.8 79 SNIDER BASIN 8060 .0 .0 100 19.6 21.7 90 SPRING CREEK DIVIDE 9000 -M .0 * 31.9 34.9 91 TRIPLE PEAK 8500 .0 .0 100 39.5 34.0 116 ----- ----- Basin wide percent of average * 93 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100 15.6 18.5 84 HEWINTA 9519 .0 .0 100 23.3 22.0 106 HICKERSON PARK 9145 .0 .0 100 15.2 14.3 106 HOLE-IN-ROCK 9150 .0 .0 100 15.7 14.1 111 INDIAN CREEK 9425 .0 .0 100 31.0 34.2 91 KELLEY R.S. 8180 .1 .0 24.4 27.8 88 STEEL CREEK PARK 10200 .7 .2 350 26.0 25.1 104 ----- ----- Basin wide percent of average 350 97 UPPER BEAR RIVER BUG LAKE 7950 .1 .0 23.5 26.6 88 HAYDEN FORK 9212 .1 .0 31.3 30.4 103 KELLEY R.S. 8180 .1 .0 24.4 27.8 88 LILY LAKE 9156 -M .0 * 25.3 25.8 98 MONTE CRISTO 8960 .0 .0 100 33.2 35.8 93 SALT RIVER SUMMIT 7760 .0 .0 100 22.2 25.6 87 TRIAL LAKE 9992 -M .1 * 32.2 35.5 91 ----- ----- Basin wide percent of average * 93 ----------------------------------------------------------------------------- -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 1961-90. 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.