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 6 , 2007 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .2 .0 * 1.3 .3 433 COTTONWOOD CREEK 7600 .1 .0 * .8 .5 160 GRANITE CREEK 6770 .2 .0 * .9 .3 300 GRASSY LAKE 7265 .4 .1 400* 1.1 .6 183 GROS VENTRE SUMMIT 8750 .4 .2 200* .9 .3 300 LEWIS LAKE DIVIDE 7850 .4 .0 * -M .5 * PHILLIPS BENCH 8200 .1 .1 100* 1.1 .4 275 SALT RIVER SUMMIT 7600 .3 .0 * .5 .3 167 SNAKE RIVER STATION 6920 .2 .0 * 1.2 .4 300 SPRING CREEK DIVIDE 9000 .3 .1 300* .5 .4 125 THUMB DIVIDE 7980 .8 .0 * 1.4 .3 467 TOGWOTEE PASS 9580 1.3 .4 325* 1.8 .5 360 TWO OCEAN PLATEAU 9240 1.8 .4 450* 1.8 .5 360 WILLOW CREEK 8450 .2 .1 200* .6 .6 100 ----- ----- Basin wide percent of average 321* 257 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.6 .7 229* 1.3 .4 325 BLACK BEAR 8170 1.0 .5 200* 1.4 .6 233 CANYON 8090 1.0 .1 1000* 1.5 .3 500 FISHER CREEK 9100 2.6 .5 520* 2.5 .5 500 MADISON PLATEAU 7750 .8 .3 267* 1.5 .4 375 NORTHEAST ENTRANCE 7350 .3 .0 * 1.3 .3 433 PARKER PEAK 9400 1.5 .8 188* .0 .4 0 SYLVAN LAKE 8420 .7 .6 117* 1.4 .4 350 THUMB DIVIDE 7980 .8 .0 * 1.4 .3 467 TWO OCEAN PLATEAU 9240 1.8 .4 450* 1.8 .5 360 WHISKEY CREEK 6800 .6 .1 600* 1.3 .4 325 WHITE MILL 8700 1.9 .4 475* 1.8 .5 360 WOLVERINE 7650 .2 .0 * 1.1 .3 367 ----- ----- Basin wide percent of average 307* 345 WIND RIVER BURROUGHS CREEK 8750 .3 .2 150* 1.2 .3 400 COLD SPRINGS 9630 .4 .2 200* .8 .3 267 DEER PARK 9700 .2 .5 40* .8 .4 200 HOBBS PARK 10100 .1 .4 25* 1.1 .4 275 LITTLE WARM 9370 .2 .3 67* 1.0 .3 333 SOUTH PASS 9040 .2 .2 100* .5 .4 125 ST. LAWRENCE ALT 8620 .2 .1 200* .4 .3 133 TOGWOTEE PASS 9580 1.3 .4 325* 1.8 .5 360 TOWNSEND CREEK 8700 .2 .1 200* .6 .4 150 ----- ----- Basin wide percent of average 129* 248 BIGHORN BASIN BALD MTN. 9380 .3 .9 33* .7 .4 175 BEAR TRAP MEADOW 8200 .1 .1 100* .3 .3 100 BLACKWATER 9780 1.6 .9 178* 1.6 .5 320 BONE SPRINGS DIV 9350 -M .8 * -M .4 * EVENING STAR 9200 1.7 .7 243* .8 .5 160 GRAVE SPRINGS 8550 .1 .1 100* .5 .4 125 KIRWIN 9550 1.3 .5 260* 1.7 .3 567 MARQUETTE 8760 .3 .6 50* .5 .4 125 MIDDLE POWDER 7760 .3 .3 100* .5 .4 125 OWL CREEK 8975 .2 .2 100* .8 .2 400 POWDER RIVER PASS 9480 .1 .4 25* 1.0 .3 333 SHELL CREEK 9580 .9 1.0 90* 1.2 .3 400 SYLVAN LAKE 8420 .7 .6 117* 1.4 .4 350 SYLVAN ROAD 7120 .3 .0 * 1.4 .4 350 TIMBER CREEK 7950 .4 .0 * 1.0 .3 333 YOUNTS PEAK 8350 .7 .3 233* 1.4 .3 467 ----- ----- Basin wide percent of average 126* 274 SHOSHONE RIVER BLACKWATER 9780 1.6 .9 178* 1.6 .5 320 EVENING STAR 9200 1.7 .7 243* .8 .5 160 KIRWIN 9550 1.3 .5 260* 1.7 .3 567 MARQUETTE 8760 .3 .6 50* .5 .4 125 SYLVAN LAKE 8420 .7 .6 117* 1.4 .4 350 SYLVAN ROAD 7120 .3 .0 * 1.4 .4 350 YOUNTS PEAK 8350 .7 .3 233* 1.4 .3 467 ----- ----- Basin wide percent of average 175* 314 POWDER-TONGUE BEAR TRAP MEADOW 8200 .1 .1 100* .3 .3 100 BIG GOOSE 7990 .2 .1 200* .5 .4 125 BONE SPRINGS DIV 9350 -M .8 * -M .4 * BURGESS JUNCTION 7880 .0 .4 0* .4 .4 100 CLOUD PEAK RESERVOIR 9860 .2 .2 100* 1.1 .4 275 DOME LAKE 8880 .1 .4 25* 1.0 .4 250 GRAVE SPRINGS 8550 .1 .1 100* .5 .4 125 HANSEN SAWMILL 8360 .3 .1 300* .6 .3 200 MIDDLE POWDER 7760 .3 .3 100* .5 .4 125 POWDER RIVER PASS 9480 .1 .4 25* 1.0 .3 333 SUCKER CREEK 8880 .1 .3 33* .3 .4 75 TIE CREEK 6870 .0 .0 100* .3 .4 75 ----- ----- Basin wide percent of average 62* 159 BELLE FOURCHE BLIND PARK 6890 .1 .0 * .2 .4 50 COLE CANYON 5910 .0 .0 100* .1 -M * NORTH RAPID CREEK 6130 .0 .0 100* .1 .4 25 ----- ----- Basin wide percent of average * 38 UPPER N. PLATTE RIVER COLUMBINE 9160 .1 .0 * 1.3 .4 325 DIVIDE PEAK 8860 -M .3 * -M .5 * ELK RIVER 8700 .0 .0 100* .5 .4 125 JOE WRIGHT 10120 .4 .4 100* 1.4 .6 233 NORTH FRENCH CREEK 10130 .2 .6 33* .8 .6 133 OLD BATTLE 9920 .2 .5 40* 1.1 .6 183 SAGE CREEK BASIN 7850 .0 .1 0* .3 .3 100 SOUTH BRUSH CREEK 8440 .2 .1 200* .6 .4 150 TOWER 10500 .1 .4 25* 1.8 .7 257 WEBBER SPRINGS 9250 .0 .2 0* .7 .5 140 WILLOW CREEK PASS 9540 .3 .1 300* .9 .3 300 ----- ----- Basin wide percent of average 58* 196 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .0 .4 0* .4 .4 100 CASPER MTN. 7850 .1 .2 50* .5 .4 125 DEADMAN HILL 10220 .3 .4 75* .5 .4 125 DEER PARK 9700 .2 .5 40* .8 .4 200 LAPRELE CREEK 8375 .0 .1 0* .3 .3 100 RENO HILL 8500 .1 .2 50* .4 .4 100 ROACH 9700 .0 .1 0* .7 .4 175 SAND LAKE 10050 .4 .7 57* .8 .5 160 SOUTH PASS 9040 .2 .2 100* .5 .4 125 WINDY PEAK 7900 .1 .0 * .1 .3 33 ----- ----- Basin wide percent of average 46* 128 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .0 * .5 .3 167 DIVIDE PEAK 8860 -M .3 * -M .5 * OLD BATTLE 9920 .2 .5 40* 1.1 .6 183 SANDSTONE RS 8150 .0 .0 100* .4 .4 100 WHISKEY PARK 8950 .0 .2 0* .8 .5 160 ----- ----- Basin wide percent of average 29* 156 UPPER GREEN RIVER BIG SANDY OPENING 9080 .2 .1 200* .8 .3 267 BLIND BULL SUM 8900 .2 .1 200* .6 .4 150 EAST RIM DIVIDE 7930 .1 .0 * .7 .2 350 ELKHART PARK G.S. 9400 .2 .1 200* .6 .3 200 GROS VENTRE SUMMIT 8750 .4 .2 200* .9 .3 300 KENDALL R.S. 7740 .2 .0 * .8 .3 267 LOOMIS PARK 8240 .1 .1 100* .8 .3 267 NEW FORK LAKE 8340 .2 .0 * .8 .3 267 SNIDER BASIN 8060 .3 .0 * .4 .3 133 SPRING CREEK DIVIDE 9000 .3 .1 300* .5 .4 125 TRIPLE PEAK 8500 .2 .1 200* .7 .4 175 ----- ----- Basin wide percent of average 200* 217 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * .4 .2 200 HEWINTA 9500 .0 .1 0* 1.8 .4 450 HICKERSON PARK 9100 .1 .0 * 2.1 .3 700 HOLE-IN-ROCK 9150 .1 .0 * 2.0 .3 667 INDIAN CREEK 9425 .5 .1 500* .5 .4 125 KELLEY R.S. 8180 .3 .1 300* .6 .4 150 STEEL CREEK PARK 10100 1.8 .5 360* 2.1 .4 525 ----- ----- Basin wide percent of average 325* 396 UPPER BEAR RIVER BUG LAKE 7950 .1 .3 33* .0 .4 0 HAYDEN FORK 9100 .2 .2 100* 1.0 .4 250 KELLEY R.S. 8180 .3 .1 300* .6 .4 150 LILY LAKE 9050 -M .2 * -M .4 * MONTE CRISTO 8960 .3 .4 75* .7 .5 140 SALT RIVER SUMMIT 7600 .3 .0 * .5 .3 167 TRIAL LAKE 9960 .2 .5 40* .6 .5 120 ----- ----- Basin wide percent of average 73* 136 ----------------------------------------------------------------------------- -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.