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 FRIDAY: OCTOBER 7 , 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 .4 325 COTTONWOOD CREEK 7600 .8 .0 * 1.6 .6 267 GRANITE CREEK 6770 .0 .0 100* .6 .3 200 GRASSY LAKE 7265 .7 .1 700* 1.8 .7 257 GROS VENTRE SUMMIT 8750 .6 .3 200* 1.1 .4 275 LEWIS LAKE DIVIDE 7850 .6 .0 * 1.4 .6 233 PHILLIPS BENCH 8200 .4 .1 400* 1.0 .5 200 SALT RIVER SUMMIT 7600 .2 .0 * .8 .4 200 SNAKE RIVER STATION 6920 .0 .0 100* 1.1 .4 275 SPRING CREEK DIVIDE 9000 .4 .1 400* .4 .5 80 THUMB DIVIDE 7980 .1 .0 * 1.1 .4 275 TOGWOTEE PASS 9580 1.4 .4 350* 1.8 .6 300 TWO OCEAN PLATEAU 9240 1.6 .5 320* 2.0 .6 333 WILLOW CREEK 8450 1.5 .2 750* 2.3 .7 329 ----- ----- Basin wide percent of average 388* 258 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 -M .8 * -M .4 * BLACK BEAR 8170 -M .5 * -M .7 * CANYON 8090 .7 .1 700* .9 .4 225 FISHER CREEK 9100 1.0 .6 167* .9 .7 129 MADISON PLATEAU 7750 1.0 .3 333* 1.5 .5 300 NORTHEAST ENTRANCE 7350 .0 .0 100* .6 .3 200 PARKER PEAK 9400 1.0 .8 125* 1.1 .5 220 SYLVAN LAKE 8420 .8 .6 133* 1.5 .5 300 THUMB DIVIDE 7980 .1 .0 * 1.1 .4 275 TWO OCEAN PLATEAU 9240 1.6 .5 320* 2.0 .6 333 WHISKEY CREEK 6800 .5 .1 500* .9 .4 225 WHITE MILL 8700 .8 .4 200* .9 .5 180 WOLVERINE 7650 .1 .0 * .7 .4 175 ----- ----- Basin wide percent of average 218* 233 WIND RIVER BURROUGHS CREEK 8750 -M .2 * -M .3 * COLD SPRINGS 9630 -M .2 * -M .4 * DEER PARK 9700 .8 .5 160* 1.1 .5 220 HOBBS PARK 10100 1.0 .5 200* 1.8 .4 450 LITTLE WARM 9370 1.7 .3 567* 1.8 .3 600 SOUTH PASS 9040 .7 .2 350* 1.4 .4 350 ST. LAWRENCE ALT 8620 .8 .1 800* 1.6 .3 533 TOGWOTEE PASS 9580 1.4 .4 350* 1.8 .6 300 TOWNSEND CREEK 8700 .8 .1 800* 1.7 .4 425 ----- ----- Basin wide percent of average 343* 386 BIGHORN BASIN BALD MTN. 9380 1.5 1.0 150* 1.5 .5 300 BEAR TRAP MEADOW 8200 .9 .1 900* 1.7 .3 567 BLACKWATER 9780 .7 1.0 70* 1.2 .5 240 BONE SPRINGS DIV 9350 -M .8 * -M .5 * EVENING STAR 9200 1.1 .7 157* 1.5 .6 250 GRAVE SPRINGS 8550 1.1 .1 1100* 1.9 .4 475 KIRWIN 9550 1.0 .6 167* 1.1 .4 275 MARQUETTE 8760 .7 .6 117* 1.5 .5 300 MIDDLE POWDER 7760 1.5 .4 375* 1.9 .5 380 OWL CREEK 8975 1.7 .2 850* 1.5 .2 750 POWDER RIVER PASS 9480 1.0 .4 250* 1.2 .4 300 SHELL CREEK 9580 1.4 1.1 127* 1.7 .4 425 SYLVAN LAKE 8420 .8 .6 133* 1.5 .5 300 SYLVAN ROAD 7120 .4 .0 * 1.3 .4 325 TIMBER CREEK 7950 .4 .0 * 1.4 .3 467 YOUNTS PEAK 8350 .0 .3 0* 2.1 .4 525 ----- ----- Basin wide percent of average 189* 365 SHOSHONE RIVER BLACKWATER 9780 .7 1.0 70* 1.2 .5 240 EVENING STAR 9200 1.1 .7 157* 1.5 .6 250 KIRWIN 9550 1.0 .6 167* 1.1 .4 275 MARQUETTE 8760 .7 .6 117* 1.5 .5 300 SYLVAN LAKE 8420 .8 .6 133* 1.5 .5 300 SYLVAN ROAD 7120 .4 .0 * 1.3 .4 325 YOUNTS PEAK 8350 .0 .3 0* 2.1 .4 525 ----- ----- Basin wide percent of average 113* 309 POWDER-TONGUE BEAR TRAP MEADOW 8200 .9 .1 900* 1.7 .3 567 BIG GOOSE 7990 .8 .1 800* 1.6 .4 400 BONE SPRINGS DIV 9350 -M .8 * -M .5 * BURGESS JUNCTION 7880 1.1 .4 275* 1.7 .4 425 CLOUD PEAK RESERVOIR 9860 1.1 .2 550* 1.8 .5 360 DOME LAKE 8880 1.3 .5 260* 1.9 .5 380 GRAVE SPRINGS 8550 1.1 .1 1100* 1.9 .4 475 HANSEN SAWMILL 8360 1.2 .1 1200* 1.5 .4 375 MIDDLE POWDER 7760 1.5 .4 375* 1.9 .5 380 POWDER RIVER PASS 9480 1.0 .4 250* 1.2 .4 300 SUCKER CREEK 8880 1.7 .3 567* 1.7 .5 340 TIE CREEK 6870 .9 .0 * 2.3 .5 460 ----- ----- Basin wide percent of average 450* 400 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* .9 .5 180 COLE CANYON 5910 .9 .0 * 1.4 -M * NORTH RAPID CREEK 6130 .0 .0 100* 1.0 .5 200 ----- ----- Basin wide percent of average * 190 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .0 100* .9 .5 180 DIVIDE PEAK 8860 .2 .4 50* 1.2 .5 240 ELK RIVER 8700 .0 .0 100* 1.0 .4 250 JOE WRIGHT 10120 .0 .4 0* .8 .7 114 NORTH FRENCH CREEK 10130 .4 .7 57* 1.0 .7 143 OLD BATTLE 9920 -M .6 * -M .7 * SAGE CREEK BASIN 7850 .1 .1 100* .6 .3 200 SOUTH BRUSH CREEK 8440 .0 .1 0* 1.0 .5 200 TOWER 10500 .9 .5 180* -M .8 * WEBBER SPRINGS 9250 .2 .3 67* 1.4 .6 233 WILLOW CREEK PASS 9540 .0 .1 0* .4 .4 100 ----- ----- Basin wide percent of average 69* 180 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .4 .5 80* .5 .5 100 CASPER MTN. 7850 .3 .3 100* .3 .5 60 DEADMAN HILL 10220 .0 .5 0* .6 .5 120 DEER PARK 9700 .8 .5 160* 1.1 .5 220 LAPRELE CREEK 8375 .0 .1 0* .2 .4 50 RENO HILL 8500 .2 .3 67* .5 .5 100 ROACH 9700 -M .1 * -M .5 * SAND LAKE 10050 .7 .8 87* 1.1 .6 183 SOUTH PASS 9040 .7 .2 350* 1.4 .4 350 WINDY PEAK 7900 .0 .0 100* .9 .3 300 ----- ----- Basin wide percent of average 97* 157 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* .6 .4 150 DIVIDE PEAK 8860 .2 .4 50* 1.2 .5 240 OLD BATTLE 9920 -M .6 * -M .7 * SANDSTONE RS 8150 .0 .0 100* .9 .5 180 WHISKEY PARK 8950 .4 .2 200* 1.1 .6 183 ----- ----- Basin wide percent of average 100* 190 UPPER GREEN RIVER BIG SANDY OPENING 9080 .2 .2 100* .7 .4 175 BLIND BULL SUM 8900 .5 .2 250* .7 .4 175 EAST RIM DIVIDE 7930 .1 .0 * .4 .3 133 ELKHART PARK G.S. 9400 .5 .1 500* .6 .4 150 GROS VENTRE SUMMIT 8750 .6 .3 200* 1.1 .4 275 KENDALL R.S. 7740 .2 .0 * .7 .3 233 LOOMIS PARK 8240 .0 .1 0* .4 .4 100 NEW FORK LAKE 8340 .0 .0 100* .5 .3 167 SNIDER BASIN 8060 .0 .0 100* .4 .3 133 SPRING CREEK DIVIDE 9000 .4 .1 400* .4 .5 80 TRIPLE PEAK 8500 .1 .1 100* .7 .4 175 ----- ----- Basin wide percent of average 209* 161 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* .6 .3 200 HEWINTA 9500 .0 .2 0* .5 .5 100 HICKERSON PARK 9100 .2 .0 * .5 .3 167 HOLE-IN-ROCK 9150 .0 .0 100* .6 .3 200 INDIAN CREEK 9425 .8 .2 400* .9 .5 180 KELLEY R.S. 8180 .3 .1 300* .7 .4 175 STEEL CREEK PARK 10100 .0 .5 0* .6 .5 120 ----- ----- Basin wide percent of average 110* 157 UPPER BEAR RIVER BUG LAKE 7950 .0 .3 0* .6 .5 120 HAYDEN FORK 9100 .0 .2 0* .3 .5 60 KELLEY R.S. 8180 .3 .1 300* .7 .4 175 LILY LAKE 9050 .0 .2 0* .4 .5 80 MONTE CRISTO 8960 .1 .4 25* .6 .6 100 SALT RIVER SUMMIT 7600 .2 .0 * .8 .4 200 TRIAL LAKE 9960 .0 .5 0* .3 .6 50 ----- ----- Basin wide percent of average 24* 106 ----------------------------------------------------------------------------- -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.