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 SUNDAY: OCTOBER 14 , 2007 ----------------------------------------------------------------------------- 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* 1.7 .9 189 COTTONWOOD CREEK 7600 .0 .1 0* 1.7 1.3 131 GRANITE CREEK 6770 .0 .1 0* 1.3 .8 162 GRASSY LAKE 7265 .1 .3 33* 1.6 1.5 107 GROS VENTRE SUMMIT 8750 .6 .6 100* 1.8 .8 225 LEWIS LAKE DIVIDE 7850 .2 .1 200* 1.1 1.4 79 PHILLIPS BENCH 8200 .0 .2 0* 1.4 1.0 140 SALT RIVER SUMMIT 7600 .1 .0 * 1.1 .8 138 SNAKE RIVER STATION 6920 .0 .0 100* 1.7 1.0 170 SPRING CREEK DIVIDE 9000 .1 .3 33* 1.0 1.1 91 THUMB DIVIDE 7980 .0 .1 0* 1.9 .9 211 TOGWOTEE PASS 9580 1.6 .9 178* 2.5 1.2 208 TWO OCEAN PLATEAU 9240 2.1 1.1 191* 2.8 1.3 215 WILLOW CREEK 8450 .1 .4 25* 1.9 1.6 119 ----- ----- Basin wide percent of average 114* 151 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.0 1.2 167* 1.9 .9 211 BLACK BEAR 8170 .8 .8 100* 2.2 1.5 147 CANYON 8090 .3 .2 150* 1.9 .8 237 FISHER CREEK 9100 2.6 1.0 260* 3.0 1.4 214 MADISON PLATEAU 7750 .6 .4 150* 2.1 1.1 191 NORTHEAST ENTRANCE 7350 -M .1 * -M .7 * PARKER PEAK 9400 1.6 1.1 145* 2.4 1.0 240 SYLVAN LAKE 8420 .1 .9 11* 2.2 1.1 200 THUMB DIVIDE 7980 .0 .1 0* 1.9 .9 211 TWO OCEAN PLATEAU 9240 2.1 1.1 191* 2.8 1.3 215 WHISKEY CREEK 6800 .2 .1 200* 2.4 1.0 240 WHITE MILL 8700 1.9 .7 271* 2.2 1.2 183 WOLVERINE 7650 .0 .1 0* 1.4 .8 175 ----- ----- Basin wide percent of average 158* 203 WIND RIVER BURROUGHS CREEK 8750 .3 .3 100* 1.7 .7 243 COLD SPRINGS 9630 .3 .2 150* 1.7 .8 212 DEER PARK 9700 .8 .8 100* 2.3 1.1 209 HOBBS PARK 10100 .9 .7 129* 2.4 .9 267 LITTLE WARM 9370 .2 .4 50* 1.5 .8 188 SOUTH PASS 9040 .3 .4 75* 1.6 .9 178 ST. LAWRENCE ALT 8620 .2 .1 200* 1.1 .8 138 TOGWOTEE PASS 9580 1.6 .9 178* 2.5 1.2 208 TOWNSEND CREEK 8700 .2 .3 67* 2.0 .9 222 ----- ----- Basin wide percent of average 117* 207 BIGHORN BASIN BALD MTN. 9380 1.3 1.4 93* 2.0 1.0 200 BEAR TRAP MEADOW 8200 .1 .2 50* .9 .8 112 BLACKWATER 9780 1.9 1.4 136* 2.3 1.2 192 BONE SPRINGS DIV 9350 -M 1.2 * -M 1.1 * EVENING STAR 9200 1.7 1.1 155* 2.6 1.2 217 GRAVE SPRINGS 8550 .1 .2 50* 1.2 .9 133 KIRWIN 9550 1.9 .8 237* 2.8 .8 350 MARQUETTE 8760 .1 .9 11* 1.5 1.0 150 MIDDLE POWDER 7760 .3 .6 50* .8 1.1 73 OWL CREEK 8975 .3 .3 100* 1.5 .5 300 POWDER RIVER PASS 9480 .2 .5 40* 1.8 .8 225 SHELL CREEK 9580 1.6 1.5 107* 2.4 .9 267 SYLVAN LAKE 8420 .1 .9 11* 2.2 1.1 200 SYLVAN ROAD 7120 .0 .1 0* 2.1 .9 233 TIMBER CREEK 7950 .3 .1 300* 2.1 .7 300 YOUNTS PEAK 8350 .9 .6 150* 2.0 .8 250 ----- ----- Basin wide percent of average 102* 206 SHOSHONE RIVER BLACKWATER 9780 1.9 1.4 136* 2.3 1.2 192 EVENING STAR 9200 1.7 1.1 155* 2.6 1.2 217 KIRWIN 9550 1.9 .8 237* 2.8 .8 350 MARQUETTE 8760 .1 .9 11* 1.5 1.0 150 SYLVAN LAKE 8420 .1 .9 11* 2.2 1.1 200 SYLVAN ROAD 7120 .0 .1 0* 2.1 .9 233 YOUNTS PEAK 8350 .9 .6 150* 2.0 .8 250 ----- ----- Basin wide percent of average 114* 221 POWDER-TONGUE BEAR TRAP MEADOW 8200 .1 .2 50* .9 .8 112 BIG GOOSE 7990 .5 .3 167* 1.7 .9 189 BONE SPRINGS DIV 9350 -M 1.2 * -M 1.1 * BURGESS JUNCTION 7880 .0 .6 0* 1.2 1.0 120 CLOUD PEAK RESERVOIR 9860 1.1 .4 275* 2.6 1.1 236 DOME LAKE 8880 .4 .7 57* 2.1 1.1 191 GRAVE SPRINGS 8550 .1 .2 50* 1.2 .9 133 HANSEN SAWMILL 8360 .5 .2 250* 1.6 .8 200 MIDDLE POWDER 7760 .3 .6 50* .8 1.1 73 POWDER RIVER PASS 9480 .2 .5 40* 1.8 .8 225 SUCKER CREEK 8880 .1 .5 20* 1.2 1.0 120 TIE CREEK 6870 .0 .0 100* 1.2 1.1 109 ----- ----- Basin wide percent of average 79* 154 BELLE FOURCHE BLIND PARK 6890 .1 .0 * .7 1.1 64 COLE CANYON 5910 .0 .0 100* .7 -M * NORTH RAPID CREEK 6130 .0 .1 0* .7 1.1 64 ----- ----- Basin wide percent of average 0* 64 UPPER N. PLATTE RIVER COLUMBINE 9160 .1 .0 * 1.6 1.0 160 DIVIDE PEAK 8860 -M .7 * -M 1.2 * ELK RIVER 8700 .0 .1 0* 1.3 1.0 130 JOE WRIGHT 10120 .5 .8 62* 2.1 1.5 140 NORTH FRENCH CREEK 10130 .2 1.3 15* 1.5 1.5 100 OLD BATTLE 9920 .4 1.0 40* 2.0 1.6 125 SAGE CREEK BASIN 7850 .1 .3 33* 1.3 .7 186 SOUTH BRUSH CREEK 8440 .1 .2 50* 1.1 1.1 100 TOWER 10500 .3 .9 33* 2.4 1.7 141 WEBBER SPRINGS 9250 .2 .5 40* 1.5 1.3 115 WILLOW CREEK PASS 9540 .3 .3 100* .8 .9 89 ----- ----- Basin wide percent of average 39* 127 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .2 .8 25* .9 1.1 82 CASPER MTN. 7850 .1 .6 17* 1.2 1.1 109 DEADMAN HILL 10220 1.2 .8 150* 1.3 1.1 118 DEER PARK 9700 .8 .8 100* 2.3 1.1 209 LAPRELE CREEK 8375 .0 .3 0* .7 .8 87 RENO HILL 8500 .1 .6 17* 1.0 1.1 91 ROACH 9700 .5 .3 167* 1.4 1.0 140 SAND LAKE 10050 .9 1.2 75* 1.5 1.3 115 SOUTH PASS 9040 .3 .4 75* 1.6 .9 178 WINDY PEAK 7900 .0 .1 0* .4 .8 50 ----- ----- Basin wide percent of average 69* 119 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .0 * .9 .8 112 DIVIDE PEAK 8860 -M .7 * -M 1.2 * OLD BATTLE 9920 .4 1.0 40* 2.0 1.6 125 SANDSTONE RS 8150 .0 .1 0* .9 1.0 90 WHISKEY PARK 8950 .0 .5 0* 1.4 1.3 108 ----- ----- Basin wide percent of average 25* 111 UPPER GREEN RIVER BIG SANDY OPENING 9080 .1 .4 25* 1.3 .8 162 BLIND BULL SUM 8900 .0 .4 0* .9 1.0 90 EAST RIM DIVIDE 7930 .0 .0 100* 1.1 .6 183 ELKHART PARK G.S. 9400 .0 .2 0* 1.3 .8 162 GROS VENTRE SUMMIT 8750 .6 .6 100* 1.8 .8 225 KENDALL R.S. 7740 .1 .0 * 1.1 .7 157 LOOMIS PARK 8240 .0 .2 0* 1.1 .8 138 NEW FORK LAKE 8340 .0 .0 100* 1.1 .7 157 SNIDER BASIN 8060 .3 .1 300* .6 .7 86 SPRING CREEK DIVIDE 9000 .1 .3 33* 1.0 1.1 91 TRIPLE PEAK 8500 .1 .2 50* 1.0 1.0 100 ----- ----- Basin wide percent of average 50* 137 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* .8 .6 133 HEWINTA 9500 .0 .4 0* 3.0 1.0 300 HICKERSON PARK 9100 .2 .0 * 2.3 .8 287 HOLE-IN-ROCK 9150 .3 .0 * 2.7 .7 386 INDIAN CREEK 9425 .2 .4 50* 1.2 1.1 109 KELLEY R.S. 8180 .1 .2 50* 1.6 .9 178 STEEL CREEK PARK 10100 2.4 .8 300* 3.0 1.0 300 ----- ----- Basin wide percent of average 150* 239 UPPER BEAR RIVER BUG LAKE 7950 .1 .5 20* .8 1.0 80 HAYDEN FORK 9100 .2 .4 50* 1.5 1.0 150 KELLEY R.S. 8180 .1 .2 50* 1.6 .9 178 LILY LAKE 9050 .0 .4 0* 2.1 1.0 210 MONTE CRISTO 8960 .0 .7 0* 1.5 1.2 125 SALT RIVER SUMMIT 7600 .1 .0 * 1.1 .8 138 TRIAL LAKE 9960 .1 .8 12* 1.0 1.2 83 ----- ----- Basin wide percent of average 17* 135 ----------------------------------------------------------------------------- -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.