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 14 , 2011 ----------------------------------------------------------------------------- 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* 2.3 .8 288 COTTONWOOD CREEK 7670 .0 .0 100* 3.6 1.1 327 GRAND TARGHEE 9260 2.4 -M * 3.7 -M * GRANITE CREEK 6770 .0 .1 0* 1.7 .7 243 GRASSY LAKE 7265 .1 .2 50* 4.1 1.3 315 GROS VENTRE SUMMIT 8750 .1 .5 20* 1.7 .8 213 GUNSIGHT PASS 9820 .9 -M * 1.8 -M * LEWIS LAKE DIVIDE 7850 .5 .0 * 3.1 1.1 282 PHILLIPS BENCH 8200 .1 .2 50* 1.7 .9 189 SALT RIVER SUMMIT 7760 .1 .0 * 1.9 .7 271 SNAKE RIVER STATION 6920 .1 .0 * 2.5 .9 278 SPRING CREEK DIVIDE 9000 1.7 .3 567* 2.9 .9 322 THUMB DIVIDE 7980 .0 .1 0* 1.5 .8 188 TOGWOTEE PASS 9580 1.3 .9 144* 2.1 1.1 191 TWO OCEAN PLATEAU 9240 2.6 1.1 236* 2.6 1.2 217 WILLOW CREEK 8380 .4 .4 100* 3.4 1.5 227 ----- ----- Basin wide percent of average 182* 254 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 1.0 1.2 83* 1.4 .8 175 BLACK BEAR 8170 2.2 .7 314* 4.3 1.2 358 CANYON 7870 .0 .2 0* 1.3 .7 186 FISHER CREEK 9100 1.6 .9 178* 2.6 1.2 217 MADISON PLATEAU 7750 .0 .4 0* 3.3 1.0 330 NORTHEAST ENTRANCE 7350 .0 .0 100* .9 .7 129 PARKER PEAK 9400 1.1 1.1 100* 1.6 1.0 160 SYLVAN LAKE 8420 .8 .7 114* 2.4 1.0 240 THUMB DIVIDE 7980 .0 .1 0* 1.5 .8 188 TWO OCEAN PLATEAU 9240 2.6 1.1 236* 2.6 1.2 217 WHISKEY CREEK 6800 .0 .1 0* 3.1 .8 388 WHITE MILL 8700 1.4 .7 200* 1.9 1.1 173 WOLVERINE 7650 .0 .1 0* .7 .8 88 ----- ----- Basin wide percent of average 147* 224 WIND RIVER BURROUGHS CREEK 8750 .0 .3 0* 1.1 .7 157 CASTLE CREEK 8400 .0 -M * 1.0 -M * COLD SPRINGS 9630 .5 .2 250* 1.4 .7 200 DEER PARK 9700 1.1 .8 138* 2.3 .9 256 HOBBS PARK 10100 1.9 .7 271* 2.3 .9 256 LITTLE WARM 9370 .0 .3 0* 1.1 .7 157 SOUTH PASS 9040 1.3 .4 325* 2.1 .8 263 ST. LAWRENCE ALT 8620 .0 .1 0* .9 .7 129 TOGWOTEE PASS 9580 1.3 .9 144* 2.1 1.1 191 TOWNSEND CREEK 8700 1.0 .3 333* 2.1 .9 233 ----- ----- Basin wide percent of average 178* 208 BIGHORN BASIN BALD MTN. 9380 2.4 1.5 160* 2.5 1.1 227 BEAR TRAP MEADOW 8200 .9 .2 450* 1.0 .8 125 BLACKWATER 9780 2.1 1.4 150* 2.2 1.1 200 BONE SPRINGS DIV 9350 2.6 1.2 217* 3.0 1.1 273 EVENING STAR 9200 1.0 1.1 91* 1.9 1.1 173 GRAVE SPRINGS 8550 .8 .2 400* 1.4 1.0 140 KIRWIN 9550 1.5 .8 188* 2.2 .7 314 MARQUETTE 8760 .5 -M * 2.5 1.0 250 MIDDLE POWDER 7760 1.5 .5 300* 3.1 1.1 282 OWL CREEK 8975 1.3 .3 433* 1.2 .5 240 POWDER RIVER PASS 9480 1.5 .5 300* 2.2 .9 244 SHELL CREEK 9580 3.1 1.5 207* 2.8 .9 311 SYLVAN LAKE 8420 .8 .7 114* 2.4 1.0 240 SYLVAN ROAD 7120 .0 .0 100* .9 .7 129 TIMBER CREEK 7950 .0 .1 0* 2.8 .7 400 YOUNTS PEAK 8350 .0 .5 0* 1.5 .8 188 ----- ----- Basin wide percent of average 186* 232 SHOSHONE RIVER BLACKWATER 9780 2.1 1.4 150* 2.2 1.1 200 EVENING STAR 9200 1.0 1.1 91* 1.9 1.1 173 KIRWIN 9550 1.5 .8 188* 2.2 .7 314 MARQUETTE 8760 .5 -M * 2.5 1.0 250 SYLVAN LAKE 8420 .8 .7 114* 2.4 1.0 240 SYLVAN ROAD 7120 .0 .0 100* .9 .7 129 YOUNTS PEAK 8350 .0 .5 0* 1.5 .8 188 ----- ----- Basin wide percent of average 120* 213 POWDER-TONGUE BEAR TRAP MEADOW 8200 .9 .2 450* 1.0 .8 125 BIG GOOSE 7990 1.4 .3 467* 3.1 1.0 310 BONE SPRINGS DIV 9350 2.6 1.2 217* 3.0 1.1 273 BURGESS JUNCTION 7880 1.4 .6 233* 3.2 1.0 320 CLOUD PEAK RESERVOIR 9860 1.7 .4 425* 2.8 1.2 233 DOME LAKE 8880 2.0 .7 286* 3.3 1.1 300 GRAVE SPRINGS 8550 .8 .2 400* 1.4 1.0 140 HANSEN SAWMILL 8360 .0 .1 0* 1.3 .8 163 LITTLE GOOSE 8870 1.7 -M * 3.4 -M * MIDDLE POWDER 7760 1.5 .5 300* 3.1 1.1 282 POWDER RIVER PASS 9480 1.5 .5 300* 2.2 .9 244 SOLDIER PARK 8720 .5 -M * 2.0 -M * SUCKER CREEK 8880 2.3 .5 460* 3.1 1.1 282 TIE CREEK 6870 .0 .0 100* 3.7 1.2 308 ----- ----- Basin wide percent of average 310* 254 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* .7 1.1 64 COLE CANYON 5910 .0 .2 0* 1.2 .8 150 NORTH RAPID CREEK 6130 .0 .1 0* .4 1.1 36 ----- ----- Basin wide percent of average 0* 77 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 1.7 -M * 2.5 -M * CINNABAR PARK 9574 1.2 .2 600* 1.9 .9 211 COLUMBINE 9160 .0 .0 100* 1.2 .8 150 DIVIDE PEAK 8880 .3 .7 43* 1.9 1.1 173 ELK RIVER 8700 .0 .1 0* 1.4 .9 156 JOE WRIGHT 10120 .0 .7 0* 1.5 1.4 107 NORTH FRENCH CREEK 10130 1.5 1.3 115* 2.1 1.2 175 OLD BATTLE 10000 1.7 1.0 170* 2.3 1.3 177 SAGE CREEK BASIN 7850 .0 .3 0* 1.3 .6 217 SOUTH BRUSH CREEK 8440 .1 .2 50* 1.6 1.0 160 TOWER 10500 1.0 .9 111* 2.1 1.3 162 WEBBER SPRINGS 9250 .8 .5 160* 2.1 1.2 175 WILLOW CREEK PASS 9540 .4 .3 133* -M .8 * ----- ----- Basin wide percent of average 113* 166 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.2 .8 150* 2.0 .9 222 CASPER MTN. 7900 2.1 .6 350* 3.5 1.0 350 DEADMAN HILL 10220 .9 .9 100* 1.5 1.0 150 DEER PARK 9700 1.1 .8 138* 2.3 .9 256 LAPRELE CREEK 8375 .3 .2 150* 1.8 .7 257 RENO HILL 8400 1.8 .7 257* 2.4 1.0 240 ROACH 9700 1.4 .3 467* 1.9 .9 211 SAND LAKE 10050 1.9 1.2 158* 2.0 1.2 167 SOUTH PASS 9040 1.3 .4 325* 2.1 .8 263 WINDY PEAK 7900 .1 .1 100* 1.1 .7 157 ----- ----- Basin wide percent of average 202* 226 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .0 * 1.0 .7 143 DIVIDE PEAK 8880 .3 .7 43* 1.9 1.1 173 OLD BATTLE 10000 1.7 1.0 170* 2.3 1.3 177 SANDSTONE RS 8150 .0 .0 100* 1.0 .9 111 WHISKEY PARK 8950 .1 .5 20* 1.9 1.2 158 ----- ----- Basin wide percent of average 100* 156 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.0 .4 250* 1.8 .7 257 BLIND BULL SUM 8650 1.2 .4 300* 1.3 .8 163 EAST RIM DIVIDE 7930 .2 .0 * 1.4 .6 233 ELKHART PARK G.S. 9400 1.0 .2 500* 2.2 .8 275 GROS VENTRE SUMMIT 8750 .1 .5 20* 1.7 .8 213 GUNSIGHT PASS 9820 .9 -M * 1.8 -M * KENDALL R.S. 7740 .1 .0 * 1.8 .6 300 LOOMIS PARK 8240 .1 .2 50* 1.7 .7 243 NEW FORK LAKE 8340 .1 .0 * 1.8 .6 300 POCKET CREEK 9360 1.5 -M * 2.4 -M * SNIDER BASIN 8060 .1 .1 100* 1.5 .6 250 SPRING CREEK DIVIDE 9000 1.7 .3 567* 2.9 .9 322 TRIPLE PEAK 8500 .1 .2 50* 2.2 .9 244 ----- ----- Basin wide percent of average 248* 254 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 * 2.1 .6 350 HEWINTA 9519 .0 .4 0* 2.4 1.0 240 HICKERSON PARK 9145 -M .0 * -M .7 * HOLE-IN-ROCK 9150 .8 .0 * 2.6 .7 371 INDIAN CREEK 9425 2.1 .4 525* 2.8 .9 311 KELLEY R.S. 8180 .5 .2 250* 2.5 .8 313 STEEL CREEK PARK 10200 -M .7 * -M .9 * ----- ----- Basin wide percent of average 360* 310 UPPER BEAR RIVER BUG LAKE 7950 -M .5 * -M .9 * HAYDEN FORK 9212 .1 .3 33* 3.5 1.0 350 KELLEY R.S. 8180 .5 .2 250* 2.5 .8 313 LILY LAKE 9156 .0 .4 0* 2.3 .9 256 MONTE CRISTO 8960 -M .6 * -M 1.1 * SALT RIVER SUMMIT 7760 .1 .0 * 1.9 .7 271 TRIAL LAKE 9992 1.2 .8 150* 2.2 1.1 200 ----- ----- Basin wide percent of average 112* 276 ----------------------------------------------------------------------------- -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.