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 SUNDAY: OCTOBER 12 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .3 .0 1.4 .7 200 COTTONWOOD CREEK 7670 .2 .0 1.1 .9 122 GRAND TARGHEE 9260 .4 -M * 2.0 -M * GRANITE CREEK 6770 .4 .0 1.1 .6 183 GRASSY LAKE 7265 .7 .1 700 1.5 1.1 136 GROS VENTRE SUMMIT 8750 1.1 .4 275 1.5 .7 214 GUNSIGHT PASS 9820 .2 -M * .6 -M * LEWIS LAKE DIVIDE 7850 .1 .0 1.5 .9 167 PHILLIPS BENCH 8200 .4 .1 400 1.0 .7 143 SALT RIVER SUMMIT 7760 .0 .0 100 .8 .6 133 SNAKE RIVER STATION 6920 .3 .0 1.0 .8 125 SPRING CREEK DIVIDE 9000 .5 .2 250 .9 .7 129 THUMB DIVIDE 7980 .3 .1 300 1.5 .7 214 TOGWOTEE PASS 9580 .7 .8 87 1.3 .9 144 TWO OCEAN PLATEAU 9240 .9 .9 100 1.0 1.0 100 WILLOW CREEK 8380 .6 .3 200 1.5 1.3 115 ----- ----- Basin wide percent of average 179 147 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 .6 1.1 55 .6 .7 86 BLACK BEAR 8170 .9 .6 150 2.8 1.0 280 CANYON 7870 .4 .2 200 .3 .6 50 FISHER CREEK 9100 .6 .8 75 1.1 1.0 110 MADISON PLATEAU 7750 .5 .4 125 1.4 .9 156 NORTHEAST ENTRANCE 7350 .4 .0 .7 .6 117 PARKER PEAK 9400 1.1 1.0 110 1.1 .9 122 SYLVAN LAKE 8420 .3 .6 50 1.2 .9 133 THUMB DIVIDE 7980 .3 .1 300 1.5 .7 214 TWO OCEAN PLATEAU 9240 .9 .9 100 1.0 1.0 100 WHISKEY CREEK 6800 .2 .1 200 1.0 .7 143 WHITE MILL 8700 .6 .6 100 .8 .9 89 WOLVERINE 7650 1.2 .1 1200 .7 .7 100 ----- ----- Basin wide percent of average 117 134 WIND RIVER BURROUGHS CREEK 8750 1.4 .2 700 1.7 .6 283 COLD SPRINGS 9630 1.4 .2 700 1.9 .6 317 DEER PARK 9700 1.1 .8 138 2.1 .7 300 HOBBS PARK 10100 2.0 .7 286 2.1 .7 300 LITTLE WARM 9370 1.0 .3 333 1.2 .6 200 SOUTH PASS 9040 1.2 .4 300 2.5 .6 417 ST. LAWRENCE ALT 8620 1.9 .1 1900 2.1 .6 350 TOGWOTEE PASS 9580 .7 .8 87 1.3 .9 144 TOWNSEND CREEK 8700 1.7 .3 567 2.1 .8 262 ----- ----- Basin wide percent of average 326 279 BIGHORN BASIN BALD MTN. 9380 1.5 1.4 107 1.6 .9 178 BEAR TRAP MEADOW 8200 .7 .2 350 1.4 .6 233 BLACKWATER 9780 .8 1.3 62 1.2 .9 133 BONE SPRINGS DIV 9350 1.2 1.1 109 1.4 1.0 140 EVENING STAR 9200 .9 1.0 90 1.3 .9 144 GRAVE SPRINGS 8550 .9 .4 225 1.6 .9 178 KIRWIN 9550 1.1 .8 138 1.1 .6 183 MARQUETTE 8760 1.6 .8 200 1.5 .8 188 MIDDLE POWDER 7760 1.1 .5 220 1.7 .9 189 OWL CREEK 8975 1.5 .4 375 1.4 .4 350 POWDER RIVER PASS 9480 .7 .4 175 1.5 .7 214 SHELL CREEK 9580 1.7 1.5 113 2.2 .8 275 SYLVAN LAKE 8420 .3 .6 50 1.2 .9 133 SYLVAN ROAD 7120 .4 .0 .9 .6 150 TIMBER CREEK 7950 1.4 .1 1400 2.1 .6 350 YOUNTS PEAK 8350 .7 .5 140 .9 .7 129 ----- ----- Basin wide percent of average 146 189 SHOSHONE RIVER BLACKWATER 9780 .8 1.3 62 1.2 .9 133 EVENING STAR 9200 .9 1.0 90 1.3 .9 144 KIRWIN 9550 1.1 .8 138 1.1 .6 183 MARQUETTE 8760 1.6 .8 200 1.5 .8 188 SYLVAN LAKE 8420 .3 .6 50 1.2 .9 133 SYLVAN ROAD 7120 .4 .0 .9 .6 150 YOUNTS PEAK 8350 .7 .5 140 .9 .7 129 ----- ----- Basin wide percent of average 108 150 POWDER-TONGUE BEAR TRAP MEADOW 8200 .7 .2 350 1.4 .6 233 BIG GOOSE 7990 .6 .3 200 1.2 .8 150 BONE SPRINGS DIV 9350 1.2 1.1 109 1.4 1.0 140 BURGESS JUNCTION 7880 1.0 .6 167 1.6 .8 200 CLOUD PEAK RESERVOIR 9860 1.1 .3 367 1.1 1.0 110 DOME LAKE 8880 .7 .7 100 1.3 .9 144 GRAVE SPRINGS 8550 .9 .4 225 1.6 .9 178 HANSEN SAWMILL 8360 .9 .2 450 .8 .7 114 MIDDLE POWDER 7760 1.1 .5 220 1.7 .9 189 POWDER RIVER PASS 9480 .7 .4 175 1.5 .7 214 SUCKER CREEK 8880 1.1 .5 220 1.6 .9 178 TIE CREEK 6870 -M .0 * -M 1.0 * ----- ----- Basin wide percent of average 192 165 BELLE FOURCHE BLIND PARK 6890 .6 .0 .8 .9 89 COLE CANYON 5910 1.2 .2 600 2.0 .7 286 NORTH RAPID CREEK 6130 .4 .1 400 1.3 .9 144 ----- ----- Basin wide percent of average 533 164 UPPER N. PLATTE RIVER COLUMBINE 9160 .2 .0 .3 .7 43 DIVIDE PEAK 8880 .1 .6 17 1.7 .9 189 ELK RIVER 8700 .1 .1 100 1.0 .7 143 JOE WRIGHT 10120 .1 .6 17 .6 1.2 50 NORTH FRENCH CREEK 10130 .7 1.1 64 1.1 1.0 110 OLD BATTLE 10000 .2 .9 22 1.3 1.1 118 SAGE CREEK BASIN 7850 .1 .2 50 .7 .5 140 SOUTH BRUSH CREEK 8440 .1 .1 100 .7 .9 78 TOWER 10500 .4 .7 57 1.1 1.1 100 WEBBER SPRINGS 9250 .0 .4 0 .9 1.0 90 WILLOW CREEK PASS 9540 .0 .2 0 .5 .7 71 ----- ----- Basin wide percent of average 37 101 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .4 .7 57 .1 .8 12 CASPER MTN. 7900 .6 .5 120 1.3 .8 162 DEADMAN HILL 10220 .0 .7 0 .3 .9 33 DEER PARK 9700 1.1 .8 138 2.1 .7 300 LAPRELE CREEK 8375 .0 .2 0 .3 .6 50 RENO HILL 8400 .9 .6 150 .9 .8 112 ROACH 9700 .3 .2 150 .4 .8 50 SAND LAKE 10050 .8 1.1 73 .5 1.0 50 SOUTH PASS 9040 1.2 .4 300 2.5 .6 417 WINDY PEAK 7900 .3 .1 300 .0 .6 0 ----- ----- Basin wide percent of average 106 111 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 .6 .6 100 DIVIDE PEAK 8880 .1 .6 17 1.7 .9 189 OLD BATTLE 10000 .2 .9 22 1.3 1.1 118 SANDSTONE RS 8150 .0 .0 100 .6 .7 86 WHISKEY PARK 8950 .1 .4 25 1.0 1.0 100 ----- ----- Basin wide percent of average 21 121 UPPER GREEN RIVER BIG SANDY OPENING 9080 .4 .3 133 1.0 .6 167 BLIND BULL SUM 8650 1.0 .3 333 1.7 .7 243 EAST RIM DIVIDE 7930 .6 .0 1.3 .5 260 ELKHART PARK G.S. 9400 .2 .1 200 1.1 .7 157 GROS VENTRE SUMMIT 8750 1.1 .4 275 1.5 .7 214 GUNSIGHT PASS 9820 .2 -M * .6 -M * KENDALL R.S. 7740 .7 .0 1.1 .5 220 LOOMIS PARK 8240 .8 .2 400 1.6 .6 267 NEW FORK LAKE 8340 .3 .0 .7 .5 140 SNIDER BASIN 8060 .9 .1 900 .9 .5 180 SPRING CREEK DIVIDE 9000 .5 .2 250 .9 .7 129 TRIPLE PEAK 8500 1.2 .1 1200 1.4 .7 200 ----- ----- Basin wide percent of average 359 197 LOWER GREEN RIVER HAMS FORK 7840 .5 .0 1.0 .5 200 HEWINTA 9519 .2 .3 67 .6 .8 75 HICKERSON PARK 9145 .0 .0 100 .8 .6 133 HOLE-IN-ROCK 9150 .3 .0 1.1 .6 183 INDIAN CREEK 9425 .9 .3 300 1.2 .8 150 KELLEY R.S. 8180 .5 .1 500 1.0 .7 143 STEEL CREEK PARK 10200 .5 .6 83 1.0 .8 125 ----- ----- Basin wide percent of average 162 140 UPPER BEAR RIVER BUG LAKE 7950 .3 .4 75 1.2 .8 150 HAYDEN FORK 9212 .1 .3 33 1.1 .8 138 KELLEY R.S. 8180 .5 .1 500 1.0 .7 143 LILY LAKE 9156 .5 .4 125 1.5 .8 188 MONTE CRISTO 8960 .3 .6 50 1.3 1.0 130 SALT RIVER SUMMIT 7760 .0 .0 100 .8 .6 133 TRIAL LAKE 9992 .2 .7 29 1.2 .9 133 ----- ----- Basin wide percent of average 76 145 ----------------------------------------------------------------------------- -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.