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 6 , 2006 ----------------------------------------------------------------------------- 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 * .7 .3 233 COTTONWOOD CREEK 7600 .0 .0 100* .6 .5 120 GRANITE CREEK 6770 .2 .0 * .9 .3 300 GRASSY LAKE 7265 .2 .1 200* 1.5 .6 250 GROS VENTRE SUMMIT 8750 .2 .2 100* .5 .3 167 LEWIS LAKE DIVIDE 7850 -M .0 * 1.1 .5 220 PHILLIPS BENCH 8200 .1 .1 100* 1.2 .4 300 SALT RIVER SUMMIT 7600 .0 .0 100* .5 .3 167 SNAKE RIVER STATION 6920 .1 .0 * .9 .4 225 SPRING CREEK DIVIDE 9000 .1 .1 100* .7 .4 175 THUMB DIVIDE 7980 .1 .0 * .8 .3 267 TOGWOTEE PASS 9580 .1 .4 25* .4 .5 80 TWO OCEAN PLATEAU 9240 .1 .4 25* .7 .5 140 WILLOW CREEK 8450 .1 .1 100* .6 .6 100 ----- ----- Basin wide percent of average 64* 188 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .2 .7 29* .6 .4 150 BLACK BEAR 8170 .4 .5 80* 1.4 .6 233 CANYON 8090 .2 .1 200* 1.0 .3 333 FISHER CREEK 9100 .1 .5 20* .9 .5 180 MADISON PLATEAU 7750 .2 .3 67* 1.1 .4 275 NORTHEAST ENTRANCE 7350 .1 .0 * 1.0 .3 333 PARKER PEAK 9400 .2 .8 25* .6 .4 150 SYLVAN LAKE 8420 .1 .6 17* 1.2 .4 300 THUMB DIVIDE 7980 .1 .0 * .8 .3 267 TWO OCEAN PLATEAU 9240 .1 .4 25* .7 .5 140 WHISKEY CREEK 6800 .1 .1 100* -M .4 * WHITE MILL 8700 .1 .4 25* .8 .5 160 WOLVERINE 7650 .1 .0 * .4 .3 133 ----- ----- Basin wide percent of average 39* 214 WIND RIVER BURROUGHS CREEK 8750 .2 .2 100* .4 .3 133 COLD SPRINGS 9630 .1 .2 50* .2 .3 67 DEER PARK 9700 .2 .5 40* .8 .4 200 HOBBS PARK 10100 .1 .4 25* .2 .4 50 LITTLE WARM 9370 .1 .3 33* .5 .3 167 SOUTH PASS 9040 .0 .2 0* .8 .4 200 ST. LAWRENCE ALT 8620 .2 .1 200* .2 .3 67 TOGWOTEE PASS 9580 .1 .4 25* .4 .5 80 TOWNSEND CREEK 8700 .3 .1 300* .4 .4 100 ----- ----- Basin wide percent of average 54* 118 BIGHORN BASIN BALD MTN. 9380 1.5 .9 167* .3 .4 75 BEAR TRAP MEADOW 8200 .0 .1 0* .3 .3 100 BLACKWATER 9780 .2 .9 22* .4 .5 80 BONE SPRINGS DIV 9350 1.9 .8 237* .4 .4 100 EVENING STAR 9200 .3 .7 43* .8 .5 160 GRAVE SPRINGS 8550 .0 .1 0* .1 .4 25 KIRWIN 9550 .3 .5 60* .7 .3 233 MARQUETTE 8760 .2 .6 33* .3 .4 75 MIDDLE POWDER 7760 .3 .3 100* .3 .4 75 OWL CREEK 8975 .1 .2 50* .2 .2 100 POWDER RIVER PASS 9480 .2 .4 50* .2 .3 67 SHELL CREEK 9580 3.0 1.0 300* .2 .3 67 SYLVAN LAKE 8420 .1 .6 17* 1.2 .4 300 SYLVAN ROAD 7120 .2 .0 * .7 .4 175 TIMBER CREEK 7950 .0 .0 100* .2 .3 67 YOUNTS PEAK 8350 .1 .3 33* 1.1 .3 367 ----- ----- Basin wide percent of average 111* 128 SHOSHONE RIVER BLACKWATER 9780 .2 .9 22* .4 .5 80 EVENING STAR 9200 .3 .7 43* .8 .5 160 KIRWIN 9550 .3 .5 60* .7 .3 233 MARQUETTE 8760 .2 .6 33* .3 .4 75 SYLVAN LAKE 8420 .1 .6 17* 1.2 .4 300 SYLVAN ROAD 7120 .2 .0 * .7 .4 175 YOUNTS PEAK 8350 .1 .3 33* 1.1 .3 367 ----- ----- Basin wide percent of average 33* 186 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .1 0* .3 .3 100 BIG GOOSE 7990 .2 .1 200* .2 .4 50 BONE SPRINGS DIV 9350 1.9 .8 237* .4 .4 100 BURGESS JUNCTION 7880 .1 .4 25* .4 .4 100 CLOUD PEAK RESERVOIR 9860 .3 .2 150* .1 .4 25 DOME LAKE 8880 .1 .4 25* .1 .4 25 GRAVE SPRINGS 8550 .0 .1 0* .1 .4 25 HANSEN SAWMILL 8360 .2 .1 200* .1 .3 33 MIDDLE POWDER 7760 .3 .3 100* .3 .4 75 POWDER RIVER PASS 9480 .2 .4 50* .2 .3 67 SUCKER CREEK 8880 .2 .3 67* .3 .4 75 TIE CREEK 6870 .0 .0 100* .2 .4 50 ----- ----- Basin wide percent of average 109* 60 BELLE FOURCHE BLIND PARK 6890 -M .0 * .1 .4 25 COLE CANYON 5910 .0 .0 100* .0 -M * NORTH RAPID CREEK 6130 .0 .0 100* .0 .4 0 ----- ----- Basin wide percent of average * 12 UPPER N. PLATTE RIVER COLUMBINE 9160 .1 .0 * .6 .4 150 DIVIDE PEAK 8860 .1 .3 33* .6 .5 120 ELK RIVER 8700 .3 .0 * .2 .4 50 JOE WRIGHT 10120 .0 .4 0* .3 .6 50 NORTH FRENCH CREEK 10130 .2 .6 33* .5 .6 83 OLD BATTLE 9920 .2 .5 40* .8 .6 133 SAGE CREEK BASIN 7850 .4 .1 400* .5 .3 167 SOUTH BRUSH CREEK 8440 .1 .1 100* .5 .4 125 TOWER 10500 .2 .4 50* .7 .7 100 WEBBER SPRINGS 9250 .1 .2 50* .5 .5 100 WILLOW CREEK PASS 9540 .1 .1 100* .0 .3 0 ----- ----- Basin wide percent of average 52* 98 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .3 .4 75* .2 .4 50 CASPER MTN. 7850 .3 .2 150* .0 .4 0 DEADMAN HILL 10220 .0 .4 0* .2 .4 50 DEER PARK 9700 .2 .5 40* .8 .4 200 LAPRELE CREEK 8375 .2 .1 200* .2 .3 67 RENO HILL 8500 .0 .2 0* .0 .4 0 ROACH 9700 .1 .1 100* .3 .4 75 SAND LAKE 10050 .9 .7 129* .5 .5 100 SOUTH PASS 9040 .0 .2 0* .8 .4 200 WINDY PEAK 7900 .3 .0 * .4 .3 133 ----- ----- Basin wide percent of average 71* 87 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .4 .0 * .6 .3 200 DIVIDE PEAK 8860 .1 .3 33* .6 .5 120 OLD BATTLE 9920 .2 .5 40* .8 .6 133 SANDSTONE RS 8150 -M .0 * -M .4 * WHISKEY PARK 8950 .0 .2 0* .3 .5 60 ----- ----- Basin wide percent of average 30* 121 UPPER GREEN RIVER BIG SANDY OPENING 9080 .1 .1 100* .7 .3 233 BLIND BULL SUM 8900 .2 .1 200* .7 .4 175 EAST RIM DIVIDE 7930 .4 .0 * .6 .2 300 ELKHART PARK G.S. 9400 .0 .1 0* .8 .3 267 GROS VENTRE SUMMIT 8750 .2 .2 100* .5 .3 167 KENDALL R.S. 7740 .1 .0 * .9 .3 300 LOOMIS PARK 8240 .1 .1 100* .5 .3 167 NEW FORK LAKE 8340 .1 .0 * 1.4 .3 467 SNIDER BASIN 8060 .1 .0 * .5 .3 167 SPRING CREEK DIVIDE 9000 .1 .1 100* .7 .4 175 TRIPLE PEAK 8500 .2 .1 200* .8 .4 200 ----- ----- Basin wide percent of average 112* 231 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * .5 .2 250 HEWINTA 9500 .1 .1 100* .6 .4 150 HICKERSON PARK 9100 .1 .0 * .2 .3 67 HOLE-IN-ROCK 9150 .0 .0 100* .3 .3 100 INDIAN CREEK 9425 .0 .1 0* .6 .4 150 KELLEY R.S. 8180 .1 .1 100* .5 .4 125 STEEL CREEK PARK 10100 .8 .5 160* 1.2 .4 300 ----- ----- Basin wide percent of average 125* 163 UPPER BEAR RIVER BUG LAKE 7950 .3 .3 100* .2 .4 50 HAYDEN FORK 9100 .0 .2 0* 1.6 .4 400 KELLEY R.S. 8180 .1 .1 100* .5 .4 125 LILY LAKE 9050 .0 .2 0* .8 .4 200 MONTE CRISTO 8960 .0 .4 0* .7 .5 140 SALT RIVER SUMMIT 7600 .0 .0 100* .5 .3 167 TRIAL LAKE 9960 .0 .5 0* 1.3 .5 260 ----- ----- Basin wide percent of average 24* 193 ----------------------------------------------------------------------------- -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.