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: OCTOBER 8 , 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 .0 * 1.3 .5 260 COTTONWOOD CREEK 7600 .7 .0 * 1.7 .7 243 GRANITE CREEK 6770 .0 .0 100* .6 .4 150 GRASSY LAKE 7265 .6 .2 300* 1.8 .8 225 GROS VENTRE SUMMIT 8750 .7 .3 233* 1.1 .4 275 LEWIS LAKE DIVIDE 7850 .2 .0 * 1.4 .7 200 PHILLIPS BENCH 8200 .4 .1 400* 1.1 .6 183 SALT RIVER SUMMIT 7600 .1 .0 * .8 .5 160 SNAKE RIVER STATION 6920 .0 .0 100* 1.1 .5 220 SPRING CREEK DIVIDE 9000 .4 .2 200* .5 .6 83 THUMB DIVIDE 7980 .0 .0 100* 1.2 .5 240 TOGWOTEE PASS 9580 1.5 .5 300* 1.8 .7 257 TWO OCEAN PLATEAU 9240 1.5 .6 250* 1.9 .7 271 WILLOW CREEK 8450 1.2 .2 600* 2.3 .9 256 ----- ----- Basin wide percent of average 300* 219 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 -M .8 * -M .5 * BLACK BEAR 8170 1.6 .6 267* 2.2 .8 275 CANYON 8090 .7 .2 350* 1.0 .4 250 FISHER CREEK 9100 1.1 .6 183* 1.0 .8 125 MADISON PLATEAU 7750 1.0 .3 333* 1.6 .6 267 NORTHEAST ENTRANCE 7350 .0 .0 100* .7 .4 175 PARKER PEAK 9400 1.0 .8 125* 1.1 .5 220 SYLVAN LAKE 8420 .7 .6 117* 1.5 .6 250 THUMB DIVIDE 7980 .0 .0 100* 1.2 .5 240 TWO OCEAN PLATEAU 9240 1.5 .6 250* 1.9 .7 271 WHISKEY CREEK 6800 .5 .1 500* .9 .5 180 WHITE MILL 8700 .9 .4 225* 1.0 .6 167 WOLVERINE 7650 .1 .0 * .8 .4 200 ----- ----- Basin wide percent of average 214* 219 WIND RIVER BURROUGHS CREEK 8750 -M .2 * -M .4 * COLD SPRINGS 9630 .9 .2 450* 1.6 .5 320 DEER PARK 9700 .8 .6 133* 1.1 .6 183 HOBBS PARK 10100 1.0 .5 200* 1.8 .5 360 LITTLE WARM 9370 1.7 .3 567* 1.9 .4 475 SOUTH PASS 9040 .8 .2 400* 1.4 .5 280 ST. LAWRENCE ALT 8620 .7 .1 700* 1.6 .4 400 TOGWOTEE PASS 9580 1.5 .5 300* 1.8 .7 257 TOWNSEND CREEK 8700 .8 .2 400* 1.6 .5 320 ----- ----- Basin wide percent of average 315* 312 BIGHORN BASIN BALD MTN. 9380 1.6 1.1 145* 1.6 .6 267 BEAR TRAP MEADOW 8200 .9 .2 450* 1.7 .4 425 BLACKWATER 9780 .8 1.1 73* 1.3 .6 217 BONE SPRINGS DIV 9350 1.5 .9 167* 1.7 .6 283 EVENING STAR 9200 1.0 .8 125* 1.6 .7 229 GRAVE SPRINGS 8550 1.1 .2 550* 2.0 .5 400 KIRWIN 9550 1.1 .6 183* 1.2 .4 300 MARQUETTE 8760 .6 .6 100* 1.6 .5 320 MIDDLE POWDER 7760 1.5 .4 375* 2.0 .6 333 OWL CREEK 8975 1.7 .2 850* 1.6 .3 533 POWDER RIVER PASS 9480 .9 .4 225* 1.2 .5 240 SHELL CREEK 9580 1.5 1.1 136* 1.6 .5 320 SYLVAN LAKE 8420 .7 .6 117* 1.5 .6 250 SYLVAN ROAD 7120 .3 .0 * 1.3 .5 260 TIMBER CREEK 7950 .4 .0 * 1.4 .4 350 YOUNTS PEAK 8350 .0 .4 0* 2.1 .4 525 ----- ----- Basin wide percent of average 173* 314 SHOSHONE RIVER BLACKWATER 9780 .8 1.1 73* 1.3 .6 217 EVENING STAR 9200 1.0 .8 125* 1.6 .7 229 KIRWIN 9550 1.1 .6 183* 1.2 .4 300 MARQUETTE 8760 .6 .6 100* 1.6 .5 320 SYLVAN LAKE 8420 .7 .6 117* 1.5 .6 250 SYLVAN ROAD 7120 .3 .0 * 1.3 .5 260 YOUNTS PEAK 8350 .0 .4 0* 2.1 .4 525 ----- ----- Basin wide percent of average 102* 286 POWDER-TONGUE BEAR TRAP MEADOW 8200 .9 .2 450* 1.7 .4 425 BIG GOOSE 7990 .7 .2 350* 1.6 .5 320 BONE SPRINGS DIV 9350 1.5 .9 167* 1.7 .6 283 BURGESS JUNCTION 7880 1.1 .4 275* 1.8 .5 360 CLOUD PEAK RESERVOIR 9860 1.0 .2 500* 2.0 .6 333 DOME LAKE 8880 1.3 .5 260* 1.9 .6 317 GRAVE SPRINGS 8550 1.1 .2 550* 2.0 .5 400 HANSEN SAWMILL 8360 1.0 .2 500* 1.6 .4 400 MIDDLE POWDER 7760 1.5 .4 375* 2.0 .6 333 POWDER RIVER PASS 9480 .9 .4 225* 1.2 .5 240 SUCKER CREEK 8880 1.8 .4 450* 1.7 .6 283 TIE CREEK 6870 .7 .0 * 2.3 .6 383 ----- ----- Basin wide percent of average 320* 336 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 1.0 .6 167 COLE CANYON 5910 .7 .0 * 1.4 -M * NORTH RAPID CREEK 6130 .0 .0 100* 1.1 .6 183 ----- ----- Basin wide percent of average * 175 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .0 100* .9 .6 150 DIVIDE PEAK 8860 .1 .4 25* 1.3 .6 217 ELK RIVER 8700 .0 .0 100* 1.1 .5 220 JOE WRIGHT 10120 .0 .5 0* .8 .8 100 NORTH FRENCH CREEK 10130 .4 .7 57* 1.1 .8 138 OLD BATTLE 9920 -M .7 * -M .8 * SAGE CREEK BASIN 7850 .1 .2 50* .6 .4 150 SOUTH BRUSH CREEK 8440 .0 .1 0* 1.2 .6 200 TOWER 10500 .8 .6 133* 1.7 .9 189 WEBBER SPRINGS 9250 .2 .3 67* 1.4 .7 200 WILLOW CREEK PASS 9540 .0 .2 0* .5 .5 100 ----- ----- Basin wide percent of average 53* 166 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .3 .6 50* .5 .6 83 CASPER MTN. 7850 .3 .3 100* .5 .6 83 DEADMAN HILL 10220 .0 .6 0* .7 .6 117 DEER PARK 9700 .8 .6 133* 1.1 .6 183 LAPRELE CREEK 8375 .0 .2 0* .4 .5 80 RENO HILL 8500 .2 .4 50* .7 .6 117 ROACH 9700 -M .2 * -M .5 * SAND LAKE 10050 .8 .8 100* 1.2 .7 171 SOUTH PASS 9040 .8 .2 400* 1.4 .5 280 WINDY PEAK 7900 .0 .0 100* .9 .4 225 ----- ----- Basin wide percent of average 86* 145 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .0 * 1.0 .5 200 DIVIDE PEAK 8860 .1 .4 25* 1.3 .6 217 OLD BATTLE 9920 -M .7 * -M .8 * SANDSTONE RS 8150 .0 .0 100* .9 .5 180 WHISKEY PARK 8950 .2 .2 100* 1.1 .7 157 ----- ----- Basin wide percent of average 50* 187 UPPER GREEN RIVER BIG SANDY OPENING 9080 .2 .2 100* .7 .4 175 BLIND BULL SUM 8900 .6 .2 300* .7 .5 140 EAST RIM DIVIDE 7930 .1 .0 * .4 .3 133 ELKHART PARK G.S. 9400 .6 .1 600* .6 .5 120 GROS VENTRE SUMMIT 8750 .7 .3 233* 1.1 .4 275 KENDALL R.S. 7740 .1 .0 * .7 .4 175 LOOMIS PARK 8240 .0 .1 0* .4 .4 100 NEW FORK LAKE 8340 .0 .0 100* .5 .4 125 SNIDER BASIN 8060 .0 .0 100* .4 .4 100 SPRING CREEK DIVIDE 9000 .4 .2 200* .5 .6 83 TRIPLE PEAK 8500 .1 .1 100* .7 .5 140 ----- ----- Basin wide percent of average 217* 140 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * .6 .3 200 HEWINTA 9500 .1 .2 50* .4 .6 67 HICKERSON PARK 9100 .2 .0 * .5 .4 125 HOLE-IN-ROCK 9150 .0 .0 100* .6 .4 150 INDIAN CREEK 9425 .8 .2 400* .9 .6 150 KELLEY R.S. 8180 .2 .1 200* .8 .5 160 STEEL CREEK PARK 10100 .2 .6 33* .6 .5 120 ----- ----- Basin wide percent of average 118* 133 UPPER BEAR RIVER BUG LAKE 7950 .0 .4 0* .7 .5 140 HAYDEN FORK 9100 .0 .2 0* .3 .6 50 KELLEY R.S. 8180 .2 .1 200* .8 .5 160 LILY LAKE 9050 .1 .2 50* .3 .6 50 MONTE CRISTO 8960 .1 .4 25* .5 .7 71 SALT RIVER SUMMIT 7600 .1 .0 * .8 .5 160 TRIAL LAKE 9960 .0 .6 0* .2 .7 29 ----- ----- Basin wide percent of average 21* 88 ----------------------------------------------------------------------------- -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.