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 WEDNESDAY: OCTOBER 12 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .2 .1 200* 1.3 .7 186 COTTONWOOD CREEK 7600 .2 .1 200* 1.9 1.1 173 GRANITE CREEK 6770 .0 .1 0* .6 .6 100 GRASSY LAKE 7265 .3 .2 150* 2.2 1.2 183 GROS VENTRE SUMMIT 8750 .8 .5 160* 1.1 .7 157 LEWIS LAKE DIVIDE 7850 .2 .1 200* 1.6 1.2 133 PHILLIPS BENCH 8200 .1 .2 50* 1.1 .9 122 SALT RIVER SUMMIT 7600 .0 .0 100* .9 .7 129 SNAKE RIVER STATION 6920 .1 .0 * 1.3 .8 162 SPRING CREEK DIVIDE 9000 .3 .2 150* .5 1.0 50 THUMB DIVIDE 7980 .0 .1 0* 1.4 .7 200 TOGWOTEE PASS 9580 1.5 .8 188* 2.0 1.0 200 TWO OCEAN PLATEAU 9240 1.6 .9 178* 2.1 1.1 191 WILLOW CREEK 8450 .8 .3 267* 2.7 1.3 208 ----- ----- Basin wide percent of average 167* 159 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 -M 1.1 * -M .8 * BLACK BEAR 8170 1.9 .7 271* 2.5 1.3 192 CANYON 8090 .6 .2 300* 1.2 .7 171 FISHER CREEK 9100 1.3 .8 162* 1.2 1.2 100 MADISON PLATEAU 7750 1.0 .4 250* 1.9 .9 211 NORTHEAST ENTRANCE 7350 .0 .1 0* .8 .6 133 PARKER PEAK 9400 1.3 1.0 130* 1.4 .9 156 SYLVAN LAKE 8420 .6 .8 75* 1.9 1.0 190 THUMB DIVIDE 7980 .0 .1 0* 1.4 .7 200 TWO OCEAN PLATEAU 9240 1.6 .9 178* 2.1 1.1 191 WHISKEY CREEK 6800 .2 .1 200* 1.3 .8 162 WHITE MILL 8700 .9 .6 150* 1.1 1.0 110 WOLVERINE 7650 .1 .1 100* .9 .7 129 ----- ----- Basin wide percent of average 164* 162 WIND RIVER BURROUGHS CREEK 8750 .9 .3 300* 1.6 .6 267 COLD SPRINGS 9630 1.1 .2 550* 2.0 .7 286 DEER PARK 9700 .7 .7 100* 1.2 .9 133 HOBBS PARK 10100 1.1 .6 183* 2.1 .8 262 LITTLE WARM 9370 1.4 .4 350* 1.9 .6 317 SOUTH PASS 9040 .6 .3 200* 1.6 .8 200 ST. LAWRENCE ALT 8620 .2 .1 200* 1.9 .6 317 TOGWOTEE PASS 9580 1.5 .8 188* 2.0 1.0 200 TOWNSEND CREEK 8700 .8 .2 400* 2.2 .8 275 ----- ----- Basin wide percent of average 231* 243 BIGHORN BASIN BALD MTN. 9380 1.9 1.3 146* 2.0 .9 222 BEAR TRAP MEADOW 8200 .3 .2 150* 1.9 .6 317 BLACKWATER 9780 .9 1.3 69* 1.4 1.0 140 BONE SPRINGS DIV 9350 2.0 1.1 182* 2.2 .9 244 EVENING STAR 9200 1.0 1.0 100* 1.7 1.0 170 GRAVE SPRINGS 8550 .8 .2 400* 2.3 .8 287 KIRWIN 9550 1.3 .7 186* 1.4 .7 200 MARQUETTE 8760 .4 .8 50* 1.9 .9 211 MIDDLE POWDER 7760 1.4 .5 280* 2.2 1.0 220 OWL CREEK 8975 1.7 .3 567* 1.7 .4 425 POWDER RIVER PASS 9480 1.1 .5 220* 1.6 .7 229 SHELL CREEK 9580 1.8 1.4 129* 1.9 .7 271 SYLVAN LAKE 8420 .6 .8 75* 1.9 1.0 190 SYLVAN ROAD 7120 .2 .1 200* 1.3 .8 162 TIMBER CREEK 7950 .5 .1 500* 1.7 .6 283 YOUNTS PEAK 8350 -M .5 * 2.2 .7 314 ----- ----- Basin wide percent of average 154* 231 SHOSHONE RIVER BLACKWATER 9780 .9 1.3 69* 1.4 1.0 140 EVENING STAR 9200 1.0 1.0 100* 1.7 1.0 170 KIRWIN 9550 1.3 .7 186* 1.4 .7 200 MARQUETTE 8760 .4 .8 50* 1.9 .9 211 SYLVAN LAKE 8420 .6 .8 75* 1.9 1.0 190 SYLVAN ROAD 7120 .2 .1 200* 1.3 .8 162 YOUNTS PEAK 8350 -M .5 * 2.2 .7 314 ----- ----- Basin wide percent of average 94* 193 POWDER-TONGUE BEAR TRAP MEADOW 8200 .3 .2 150* 1.9 .6 317 BIG GOOSE 7990 .8 .2 400* 2.2 .8 275 BONE SPRINGS DIV 9350 2.0 1.1 182* 2.2 .9 244 BURGESS JUNCTION 7880 1.2 .5 240* 2.2 .8 275 CLOUD PEAK RESERVOIR 9860 1.1 .3 367* 2.4 1.0 240 DOME LAKE 8880 1.5 .6 250* 2.3 .9 256 GRAVE SPRINGS 8550 .8 .2 400* 2.3 .8 287 HANSEN SAWMILL 8360 .4 .2 200* 1.9 .7 271 MIDDLE POWDER 7760 1.4 .5 280* 2.2 1.0 220 POWDER RIVER PASS 9480 1.1 .5 220* 1.6 .7 229 SUCKER CREEK 8880 2.0 .4 500* 2.3 .9 256 TIE CREEK 6870 .3 .0 * 2.6 .9 289 ----- ----- Basin wide percent of average 268* 261 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 1.1 1.0 110 COLE CANYON 5910 .0 .0 100* 1.7 -M * NORTH RAPID CREEK 6130 .0 .1 0* 1.2 .9 133 ----- ----- Basin wide percent of average 0* 121 UPPER N. PLATTE RIVER COLUMBINE 9160 .8 .0 * 2.5 .9 278 DIVIDE PEAK 8860 1.0 .6 167* 3.1 1.0 310 ELK RIVER 8700 .0 .1 0* 2.3 .8 287 JOE WRIGHT 10120 .8 .6 133* 2.2 1.2 183 NORTH FRENCH CREEK 10130 .6 1.1 55* 1.8 1.2 150 OLD BATTLE 9920 -M .9 * -M 1.3 * SAGE CREEK BASIN 7850 .3 .2 150* 1.6 .6 267 SOUTH BRUSH CREEK 8440 .2 .2 100* 1.8 1.0 180 TOWER 10500 1.6 .8 200* 3.4 1.5 227 WEBBER SPRINGS 9250 -M .4 * -M 1.1 * WILLOW CREEK PASS 9540 .7 .2 350* 1.7 .7 243 ----- ----- Basin wide percent of average 137* 229 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .5 .8 62* .8 .9 89 CASPER MTN. 7850 1.1 .5 220* 1.3 .9 144 DEADMAN HILL 10220 .7 .8 87* 2.0 .9 222 DEER PARK 9700 .7 .7 100* 1.2 .9 133 LAPRELE CREEK 8375 .0 .2 0* .6 .7 86 RENO HILL 8500 1.2 .5 240* 2.0 .9 222 ROACH 9700 1.7 .2 850* 2.5 .9 278 SAND LAKE 10050 1.7 1.1 155* 2.4 1.1 218 SOUTH PASS 9040 .6 .3 200* 1.6 .8 200 WINDY PEAK 7900 .1 .1 100* 1.3 .6 217 ----- ----- Basin wide percent of average 160* 183 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 1.5 .7 214 DIVIDE PEAK 8860 1.0 .6 167* 3.1 1.0 310 OLD BATTLE 9920 -M .9 * -M 1.3 * SANDSTONE RS 8150 .0 .1 0* 1.7 .9 189 WHISKEY PARK 8950 .6 .4 150* 2.2 1.1 200 ----- ----- Basin wide percent of average 145* 230 UPPER GREEN RIVER BIG SANDY OPENING 9080 .6 .3 200* 1.2 .7 171 BLIND BULL SUM 8900 .5 .3 167* .8 .8 100 EAST RIM DIVIDE 7930 .1 .0 * .4 .5 80 ELKHART PARK G.S. 9400 .7 .2 350* .9 .7 129 GROS VENTRE SUMMIT 8750 .8 .5 160* 1.1 .7 157 KENDALL R.S. 7740 .0 .0 100* .8 .6 133 LOOMIS PARK 8240 .1 .2 50* .4 .7 57 NEW FORK LAKE 8340 .0 .0 100* .6 .6 100 SNIDER BASIN 8060 .0 .1 0* .4 .6 67 SPRING CREEK DIVIDE 9000 .3 .2 150* .5 1.0 50 TRIPLE PEAK 8500 .1 .2 50* .8 .8 100 ----- ----- Basin wide percent of average 155* 103 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * .7 .5 140 HEWINTA 9500 .0 .3 0* .8 .9 89 HICKERSON PARK 9100 .2 .0 * .7 .6 117 HOLE-IN-ROCK 9150 .0 .0 100* .8 .6 133 INDIAN CREEK 9425 .7 .3 233* 1.0 1.0 100 KELLEY R.S. 8180 .1 .2 50* .9 .8 112 STEEL CREEK PARK 10100 -M .7 * .9 .9 100 ----- ----- Basin wide percent of average 100* 109 UPPER BEAR RIVER BUG LAKE 7950 .0 .4 0* .7 .9 78 HAYDEN FORK 9100 .0 .3 0* .4 .9 44 KELLEY R.S. 8180 .1 .2 50* .9 .8 112 LILY LAKE 9050 .0 .3 0* .5 .9 56 MONTE CRISTO 8960 .1 .6 17* .8 1.0 80 SALT RIVER SUMMIT 7600 .0 .0 100* .9 .7 129 TRIAL LAKE 9960 .0 .7 0* .4 1.0 40 ----- ----- Basin wide percent of average 8* 74 ----------------------------------------------------------------------------- -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.