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 TUESDAY: OCTOBER 11 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .1 .1 100* 1.3 .7 186 COTTONWOOD CREEK 7600 .2 .1 200* 1.8 1.0 180 GRANITE CREEK 6770 .0 .1 0* .6 .6 100 GRASSY LAKE 7265 .5 .2 250* 2.1 1.1 191 GROS VENTRE SUMMIT 8750 .7 .4 175* 1.2 .6 200 LEWIS LAKE DIVIDE 7850 .1 .1 100* 1.5 1.1 136 PHILLIPS BENCH 8200 .0 .1 0* 1.1 .8 138 SALT RIVER SUMMIT 7600 .0 .0 100* .8 .6 133 SNAKE RIVER STATION 6920 .0 .0 100* 1.2 .7 171 SPRING CREEK DIVIDE 9000 .3 .2 150* .5 .9 56 THUMB DIVIDE 7980 .0 .1 0* 1.3 .7 186 TOGWOTEE PASS 9580 1.5 .7 214* 2.0 .9 222 TWO OCEAN PLATEAU 9240 1.6 .9 178* 2.1 1.0 210 WILLOW CREEK 8450 .9 .3 300* 2.6 1.2 217 ----- ----- Basin wide percent of average 179* 169 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 -M 1.0 * -M .7 * BLACK BEAR 8170 1.8 .7 257* 2.5 1.2 208 CANYON 8090 .6 .2 300* 1.0 .6 167 FISHER CREEK 9100 1.1 .8 138* 1.1 1.1 100 MADISON PLATEAU 7750 1.0 .3 333* 1.8 .8 225 NORTHEAST ENTRANCE 7350 .0 .1 0* .7 .5 140 PARKER PEAK 9400 1.2 1.0 120* 1.3 .8 162 SYLVAN LAKE 8420 .8 .8 100* 1.9 .9 211 THUMB DIVIDE 7980 .0 .1 0* 1.3 .7 186 TWO OCEAN PLATEAU 9240 1.6 .9 178* 2.1 1.0 210 WHISKEY CREEK 6800 .2 .1 200* 1.1 .7 157 WHITE MILL 8700 .8 .6 133* 1.0 .9 111 WOLVERINE 7650 .1 .1 100* .7 .6 117 ----- ----- Basin wide percent of average 161* 168 WIND RIVER BURROUGHS CREEK 8750 .9 .3 300* 1.4 .5 280 COLD SPRINGS 9630 1.1 .2 550* 2.0 .6 333 DEER PARK 9700 .6 .7 86* 1.2 .8 150 HOBBS PARK 10100 1.1 .6 183* 2.1 .7 300 LITTLE WARM 9370 1.4 .3 467* 1.9 .6 317 SOUTH PASS 9040 .6 .3 200* 1.5 .7 214 ST. LAWRENCE ALT 8620 .3 .1 300* 1.8 .6 300 TOGWOTEE PASS 9580 1.5 .7 214* 2.0 .9 222 TOWNSEND CREEK 8700 .8 .2 400* 2.2 .7 314 ----- ----- Basin wide percent of average 244* 264 BIGHORN BASIN BALD MTN. 9380 1.9 1.2 158* 1.9 .8 237 BEAR TRAP MEADOW 8200 .4 .2 200* 1.9 .6 317 BLACKWATER 9780 .8 1.2 67* 1.3 .9 144 BONE SPRINGS DIV 9350 1.9 1.1 173* 2.0 .8 250 EVENING STAR 9200 .9 1.0 90* 1.5 .9 167 GRAVE SPRINGS 8550 .8 .2 400* 2.2 .7 314 KIRWIN 9550 1.2 .7 171* 1.3 .6 217 MARQUETTE 8760 .6 .8 75* 1.9 .8 237 MIDDLE POWDER 7760 1.4 .5 280* 2.2 .9 244 OWL CREEK 8975 1.8 .3 600* 1.7 .4 425 POWDER RIVER PASS 9480 .9 .4 225* 1.5 .6 250 SHELL CREEK 9580 1.8 1.3 138* 2.0 .7 286 SYLVAN LAKE 8420 .8 .8 100* 1.9 .9 211 SYLVAN ROAD 7120 .2 .1 200* 1.3 .7 186 TIMBER CREEK 7950 .5 .1 500* 1.7 .5 340 YOUNTS PEAK 8350 .0 .5 0* 2.1 .6 350 ----- ----- Basin wide percent of average 153* 249 SHOSHONE RIVER BLACKWATER 9780 .8 1.2 67* 1.3 .9 144 EVENING STAR 9200 .9 1.0 90* 1.5 .9 167 KIRWIN 9550 1.2 .7 171* 1.3 .6 217 MARQUETTE 8760 .6 .8 75* 1.9 .8 237 SYLVAN LAKE 8420 .8 .8 100* 1.9 .9 211 SYLVAN ROAD 7120 .2 .1 200* 1.3 .7 186 YOUNTS PEAK 8350 .0 .5 0* 2.1 .6 350 ----- ----- Basin wide percent of average 88* 209 POWDER-TONGUE BEAR TRAP MEADOW 8200 .4 .2 200* 1.9 .6 317 BIG GOOSE 7990 .7 .2 350* 2.0 .7 286 BONE SPRINGS DIV 9350 1.9 1.1 173* 2.0 .8 250 BURGESS JUNCTION 7880 1.1 .5 220* 2.1 .7 300 CLOUD PEAK RESERVOIR 9860 1.0 .3 333* 2.4 .9 267 DOME LAKE 8880 1.3 .6 217* 2.2 .8 275 GRAVE SPRINGS 8550 .8 .2 400* 2.2 .7 314 HANSEN SAWMILL 8360 .5 .2 250* 1.9 .6 317 MIDDLE POWDER 7760 1.4 .5 280* 2.2 .9 244 POWDER RIVER PASS 9480 .9 .4 225* 1.5 .6 250 SUCKER CREEK 8880 1.8 .4 450* 2.1 .8 262 TIE CREEK 6870 .4 .0 * 2.6 .8 325 ----- ----- Basin wide percent of average 257* 282 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 1.1 .9 122 COLE CANYON 5910 .0 .0 100* 1.5 -M * NORTH RAPID CREEK 6130 .0 .1 0* 1.2 .8 150 ----- ----- Basin wide percent of average 0* 135 UPPER N. PLATTE RIVER COLUMBINE 9160 .9 .0 * 2.4 .8 300 DIVIDE PEAK 8860 .9 .5 180* 2.9 .9 322 ELK RIVER 8700 .0 .1 0* 2.1 .7 300 JOE WRIGHT 10120 .7 .6 117* 2.0 1.1 182 NORTH FRENCH CREEK 10130 .4 1.0 40* 1.6 1.1 145 OLD BATTLE 9920 -M .8 * -M 1.2 * SAGE CREEK BASIN 7850 .5 .2 250* 1.5 .5 300 SOUTH BRUSH CREEK 8440 .1 .1 100* 1.5 .9 167 TOWER 10500 1.5 .7 214* 3.1 1.3 238 WEBBER SPRINGS 9250 1.5 .4 375* 3.7 1.0 370 WILLOW CREEK PASS 9540 .6 .2 300* 1.5 .7 214 ----- ----- Basin wide percent of average 163* 248 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .4 .7 57* .8 .8 100 CASPER MTN. 7850 1.0 .4 250* 1.2 .8 150 DEADMAN HILL 10220 .6 .7 86* 1.9 .8 237 DEER PARK 9700 .6 .7 86* 1.2 .8 150 LAPRELE CREEK 8375 .0 .2 0* .6 .6 100 RENO HILL 8500 1.2 .5 240* 1.9 .8 237 ROACH 9700 1.7 .2 850* 2.4 .8 300 SAND LAKE 10050 1.6 1.0 160* 2.2 1.0 220 SOUTH PASS 9040 .6 .3 200* 1.5 .7 214 WINDY PEAK 7900 .2 .1 200* 1.3 .6 217 ----- ----- Basin wide percent of average 165* 195 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 1.3 .6 217 DIVIDE PEAK 8860 .9 .5 180* 2.9 .9 322 OLD BATTLE 9920 -M .8 * -M 1.2 * SANDSTONE RS 8150 .0 .1 0* 1.5 .8 188 WHISKEY PARK 8950 .5 .4 125* 2.1 1.0 210 ----- ----- Basin wide percent of average 140* 236 UPPER GREEN RIVER BIG SANDY OPENING 9080 .6 .3 200* 1.3 .6 217 BLIND BULL SUM 8900 .5 .3 167* .8 .7 114 EAST RIM DIVIDE 7930 .0 .0 100* .4 .5 80 ELKHART PARK G.S. 9400 .7 .1 700* .9 .6 150 GROS VENTRE SUMMIT 8750 .7 .4 175* 1.2 .6 200 KENDALL R.S. 7740 .0 .0 100* .8 .5 160 LOOMIS PARK 8240 .0 .1 0* .4 .6 67 NEW FORK LAKE 8340 .0 .0 100* .6 .5 120 SNIDER BASIN 8060 .0 .1 0* .4 .5 80 SPRING CREEK DIVIDE 9000 .3 .2 150* .5 .9 56 TRIPLE PEAK 8500 .1 .1 100* .7 .7 100 ----- ----- Basin wide percent of average 181* 119 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* .6 .5 120 HEWINTA 9500 .0 .3 0* .8 .8 100 HICKERSON PARK 9100 .3 .0 * .7 .6 117 HOLE-IN-ROCK 9150 .0 .0 100* .8 .5 160 INDIAN CREEK 9425 .7 .3 233* .9 .9 100 KELLEY R.S. 8180 .0 .1 0* .8 .7 114 STEEL CREEK PARK 10100 .5 .7 71* 1.0 .8 125 ----- ----- Basin wide percent of average 86* 117 UPPER BEAR RIVER BUG LAKE 7950 .0 .4 0* .6 .8 75 HAYDEN FORK 9100 .0 .3 0* .4 .8 50 KELLEY R.S. 8180 .0 .1 0* .8 .7 114 LILY LAKE 9050 .0 .3 0* .5 .8 62 MONTE CRISTO 8960 .1 .6 17* .8 .9 89 SALT RIVER SUMMIT 7600 .0 .0 100* .8 .6 133 TRIAL LAKE 9960 .0 .7 0* .4 .9 44 ----- ----- Basin wide percent of average 4* 78 ----------------------------------------------------------------------------- -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.