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: JULY 5 , 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 34.8 29.2 119 COTTONWOOD CREEK 7670 .0 .0 100 -M 38.0 * GRAND TARGHEE 9260 20.9 -M * 48.6 -M * GRANITE CREEK 6770 .1 .0 31.9 26.8 119 GRASSY LAKE 7265 .0 .0 100 56.9 48.3 118 GROS VENTRE SUMMIT 8750 .1 .0 20.1 19.9 101 GUNSIGHT PASS 9820 .0 -M * 21.3 -M * LEWIS LAKE DIVIDE 7850 .6 .0 48.8 48.3 101 PHILLIPS BENCH 8200 .0 .0 100 44.8 39.1 115 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.7 86 SNAKE RIVER STATION 6920 .0 .0 100 36.5 30.9 118 SPRING CREEK DIVIDE 9000 -M .0 * 31.9 34.9 91 THUMB DIVIDE 7980 .2 .0 29.2 27.0 108 TOGWOTEE PASS 9580 5.7 .0 41.3 35.2 117 TWO OCEAN PLATEAU 9240 6.3 3.0 210 44.6 39.5 113 WILLOW CREEK 8380 .0 .0 100 53.5 45.4 118 ----- ----- Basin wide percent of average 210* 110 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 5.5 1.3 423 34.6 30.1 115 BLACK BEAR 8170 4.3 1.2 358 56.6 53.8 105 CANYON 7870 .0 .0 100 28.8 22.9 126 FISHER CREEK 9100 11.2 2.4 467 52.6 50.9 103 MADISON PLATEAU 7750 .2 .0 44.3 37.1 119 NORTHEAST ENTRANCE 7350 .3 .0 22.2 20.5 108 PARKER PEAK 9400 .1 1.5 7 40.6 26.3 154 SYLVAN LAKE 8420 .0 .0 100 40.8 32.3 126 THUMB DIVIDE 7980 .2 .0 29.2 27.0 108 TWO OCEAN PLATEAU 9240 6.3 3.0 210 44.6 39.5 113 WHISKEY CREEK 6800 .0 .0 100 -M 30.2 * WHITE MILL 8700 .6 .4 150 38.8 38.8 100 WOLVERINE 7650 .1 .0 23.1 20.7 112 ----- ----- Basin wide percent of average 286 114 WIND RIVER BURROUGHS CREEK 8750 .1 .0 26.3 24.9 106 COLD SPRINGS 9630 .0 .0 100 18.4 19.6 94 DEER PARK 9700 .5 .0 31.1 33.5 93 HOBBS PARK 10100 .0 .5 0 25.8 23.6 109 LITTLE WARM 9370 .0 .0 100 22.6 22.4 101 SOUTH PASS 9040 .1 .0 27.6 28.2 98 ST. LAWRENCE ALT 8620 -M .0 * -M 17.6 * TOGWOTEE PASS 9580 5.7 .0 41.3 35.2 117 TOWNSEND CREEK 8700 .0 .0 100 22.2 21.2 105 ----- ----- Basin wide percent of average 0* 103 BIGHORN BASIN BALD MTN. 9380 .0 .5 0 29.3 28.6 102 BEAR TRAP MEADOW 8200 .0 .0 100 21.0 17.2 122 BLACKWATER 9780 7.5 3.2 234 38.3 32.6 117 BONE SPRINGS DIV 9350 .0 .0 100 30.3 25.9 117 EVENING STAR 9200 4.2 2.7 156 51.6 38.2 135 GRAVE SPRINGS 8550 .0 .0 100 19.7 18.9 104 KIRWIN 9550 .1 .0 23.6 20.6 115 MARQUETTE 8760 .1 .0 23.4 21.4 109 MIDDLE POWDER 7760 .1 .0 19.3 22.0 88 OWL CREEK 8975 .1 .0 14.4 13.7 105 POWDER RIVER PASS 9480 .0 .0 100 27.4 22.7 121 SHELL CREEK 9580 .1 .1 100 28.0 24.2 116 SYLVAN LAKE 8420 .0 .0 100 40.8 32.3 126 SYLVAN ROAD 7120 .0 .0 100 31.6 26.0 122 TIMBER CREEK 7950 .2 .0 20.4 16.9 121 YOUNTS PEAK 8350 .1 .0 25.9 25.0 104 ----- ----- Basin wide percent of average 182 115 SHOSHONE RIVER BLACKWATER 9780 7.5 3.2 234 38.3 32.6 117 EVENING STAR 9200 4.2 2.7 156 51.6 38.2 135 KIRWIN 9550 .1 .0 23.6 20.6 115 MARQUETTE 8760 .1 .0 23.4 21.4 109 SYLVAN LAKE 8420 .0 .0 100 40.8 32.3 126 SYLVAN ROAD 7120 .0 .0 100 31.6 26.0 122 YOUNTS PEAK 8350 .1 .0 25.9 25.0 104 ----- ----- Basin wide percent of average 198 120 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100 21.0 17.2 122 BIG GOOSE 7990 .3 .0 24.5 18.4 133 BONE SPRINGS DIV 9350 .0 .0 100 30.3 25.9 117 BURGESS JUNCTION 7880 .0 .0 100 27.3 21.6 126 CLOUD PEAK RESERVOIR 9860 .0 .0 100 32.6 25.3 129 DOME LAKE 8880 .0 .0 100 29.6 23.5 126 GRAVE SPRINGS 8550 .0 .0 100 19.7 18.9 104 HANSEN SAWMILL 8360 .0 .0 100 24.4 17.3 141 MIDDLE POWDER 7760 .1 .0 19.3 22.0 88 POWDER RIVER PASS 9480 .0 .0 100 27.4 22.7 121 SUCKER CREEK 8880 .0 .0 100 31.9 24.9 128 TIE CREEK 6870 -M .0 * 24.8 20.4 122 ----- ----- Basin wide percent of average * 121 BELLE FOURCHE BLIND PARK 6890 .1 .0 23.1 21.4 108 COLE CANYON 5910 .3 .0 24.0 16.9 142 NORTH RAPID CREEK 6130 .0 .0 100 25.3 18.5 137 ----- ----- Basin wide percent of average * 127 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .0 100 36.9 33.9 109 DIVIDE PEAK 8880 .0 .0 100 32.0 29.2 110 ELK RIVER 8700 .2 .0 30.3 27.8 109 JOE WRIGHT 10120 .3 .7 43 40.5 37.6 108 NORTH FRENCH CREEK 10130 -M 1.4 * 41.4 36.9 112 OLD BATTLE 10000 .0 .7 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 23.8 25.9 92 TOWER 10500 -M 5.9 * 53.9 52.6 102 WEBBER SPRINGS 9250 -M .0 * 39.9 36.6 109 WILLOW CREEK PASS 9540 -M .0 * 24.0 21.3 113 ----- ----- Basin wide percent of average 21 109 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .0 100 31.9 33.5 95 CASPER MTN. 7900 .0 .0 100 30.5 26.4 116 DEADMAN HILL 10220 .3 .1 300 28.8 26.6 108 DEER PARK 9700 .5 .0 31.1 33.5 93 LAPRELE CREEK 8375 .0 .0 100 21.8 22.2 98 RENO HILL 8400 -M .0 * 32.6 26.7 122 ROACH 9700 .0 .0 100 32.1 28.6 112 SAND LAKE 10050 .0 1.9 0 43.3 36.9 117 SOUTH PASS 9040 .1 .0 27.6 28.2 98 WINDY PEAK 7900 .5 .0 19.4 19.3 101 ----- ----- Basin wide percent of average 15 106 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 22.9 22.3 103 DIVIDE PEAK 8880 .0 .0 100 32.0 29.2 110 OLD BATTLE 10000 .0 .7 0 51.2 46.3 111 SANDSTONE RS 8150 -M .0 * 28.4 26.5 107 WHISKEY PARK 8950 .0 .0 100 46.6 40.1 116 ----- ----- 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 30.0 84 EAST RIM DIVIDE 7930 .0 .0 100 15.7 17.6 89 ELKHART PARK G.S. 9400 .0 .0 100 17.1 21.2 81 GROS VENTRE SUMMIT 8750 .1 .0 20.1 19.9 101 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 23.6 24.1 98 NEW FORK LAKE 8340 .0 .0 100 14.8 17.8 83 SNIDER BASIN 8060 .0 .0 100 19.7 21.8 90 SPRING CREEK DIVIDE 9000 -M .0 * 31.9 34.9 91 TRIPLE PEAK 8500 .1 .0 39.6 34.1 116 ----- ----- Basin wide percent of average * 93 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100 15.9 18.6 85 HEWINTA 9519 .0 .0 100 23.4 22.1 106 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 24.5 27.9 88 STEEL CREEK PARK 10200 .8 .1 800 26.0 25.1 104 ----- ----- Basin wide percent of average 800 97 UPPER BEAR RIVER BUG LAKE 7950 .1 .0 23.4 26.6 88 HAYDEN FORK 9212 .0 .0 100 31.3 30.4 103 KELLEY R.S. 8180 .1 .0 24.5 27.9 88 LILY LAKE 9156 -M .0 * 25.2 25.9 97 MONTE CRISTO 8960 .0 .0 100 33.1 35.8 92 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.7 86 TRIAL LAKE 9992 -M .0 * 32.2 35.5 91 ----- ----- Basin wide percent of average * 92 ----------------------------------------------------------------------------- -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.