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 THURSDAY: OCTOBER 28 , 2004 ----------------------------------------------------------------------------- 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 .6 183* 2.2 1.8 122 COTTONWOOD CREEK 7600 1.1 .8 138* 2.8 2.7 104 GRANITE CREEK 6770 1.5 .5 300* 3.3 1.6 206 GRASSY LAKE 7265 2.4 1.2 200* 3.4 3.0 113 GROS VENTRE SUMMIT 8750 2.1 1.2 175* 2.2 1.7 129 LEWIS LAKE DIVIDE 7850 3.6 1.0 360* 4.2 2.9 145 PHILLIPS BENCH 8200 2.7 1.2 225* 3.4 2.2 155 SALT RIVER SUMMIT 7600 1.3 .3 433* 3.1 1.7 182 SNAKE RIVER STATION 6920 .8 .5 160* 2.3 2.0 115 SPRING CREEK DIVIDE 9000 3.7 1.3 285* 4.1 2.4 171 THUMB DIVIDE 7980 1.7 .7 243* 2.3 1.8 128 TOGWOTEE PASS 9580 2.4 2.3 104* 2.6 2.5 104 TWO OCEAN PLATEAU 9240 3.5 2.7 130* 3.2 2.8 114 WILLOW CREEK 8450 2.0 1.5 133* 3.5 3.3 106 ----- ----- Basin wide percent of average 189* 131 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.9 2.4 79* 2.1 1.9 111 BLACK BEAR 8170 5.1 2.4 212* 5.7 3.1 184 CANYON 8090 .9 .6 150* 2.0 1.7 118 FISHER CREEK 9100 2.5 2.4 104* 3.4 3.0 113 MADISON PLATEAU 7750 -M 1.4 * -M 2.3 * NORTHEAST ENTRANCE 7350 .1 .3 33* .9 1.4 64 PARKER PEAK 9400 1.9 2.3 83* 2.0 2.1 95 SYLVAN LAKE 8420 1.7 1.7 100* 2.6 2.4 108 THUMB DIVIDE 7980 1.7 .7 243* 2.3 1.8 128 TWO OCEAN PLATEAU 9240 3.5 2.7 130* 3.2 2.8 114 WHISKEY CREEK 6800 1.5 .6 250* 3.1 2.0 155 WHITE MILL 8700 1.5 1.8 83* 2.2 2.4 92 WOLVERINE 7650 .2 .4 50* 1.4 1.7 82 ----- ----- Basin wide percent of average 123* 117 WIND RIVER BURROUGHS CREEK 8750 1.2 .8 150* 1.5 1.5 100 COLD SPRINGS 9630 1.4 .9 156* 1.8 1.7 106 DEER PARK 9700 5.0 2.3 217 5.8 2.3 252 HOBBS PARK 10100 2.6 1.9 137 2.8 1.9 147 LITTLE WARM 9370 1.3 .9 144* 1.6 1.6 100 SOUTH PASS 9040 3.4 1.3 262* 4.1 1.9 216 ST. LAWRENCE ALT 8620 .7 .7 100* 1.6 1.6 100 TOGWOTEE PASS 9580 2.4 2.3 104* 2.6 2.5 104 TOWNSEND CREEK 8700 1.1 .9 122* 3.1 1.9 163 ----- ----- Basin wide percent of average 159* 147 BIGHORN BASIN BALD MTN. 9380 2.9 2.5 116 3.3 2.2 150 BEAR TRAP MEADOW 8200 .5 .5 100* 2.2 1.6 138 BLACKWATER 9780 2.3 2.8 82* 2.7 2.4 113 BONE SPRINGS DIV 9350 3.3 2.4 138 3.6 2.3 157 EVENING STAR 9200 2.2 2.4 92* 3.2 2.5 128 GRAVE SPRINGS 8550 .6 1.0 60* 1.7 1.9 89 KIRWIN 9550 1.2 1.6 75 1.5 1.7 88 MARQUETTE 8760 .4 1.7 24 .8 2.1 38 MIDDLE POWDER 7760 .1 1.1 9* 1.8 2.4 75 OWL CREEK 8975 .1 .8 12 .5 1.0 50 POWDER RIVER PASS 9480 2.7 1.1 245* 3.5 1.7 206 SHELL CREEK 9580 2.9 2.4 121 2.9 1.8 161 SYLVAN LAKE 8420 1.7 1.7 100* 2.6 2.4 108 SYLVAN ROAD 7120 .5 .4 125* 2.1 1.9 111 TIMBER CREEK 7950 .0 .9 0 .4 1.5 27 YOUNTS PEAK 8350 1.3 1.2 108* 2.3 1.7 135 ----- ----- Basin wide percent of average 93* 113 SHOSHONE RIVER BLACKWATER 9780 2.3 2.8 82* 2.7 2.4 113 EVENING STAR 9200 2.2 2.4 92* 3.2 2.5 128 KIRWIN 9550 1.2 1.6 75 1.5 1.7 88 MARQUETTE 8760 .4 1.7 24 .8 2.1 38 SYLVAN LAKE 8420 1.7 1.7 100* 2.6 2.4 108 SYLVAN ROAD 7120 .5 .4 125* 2.1 1.9 111 YOUNTS PEAK 8350 1.3 1.2 108* 2.3 1.7 135 ----- ----- Basin wide percent of average 81* 103 POWDER-TONGUE BEAR TRAP MEADOW 8200 .5 .5 100* 2.2 1.6 138 BIG GOOSE 7990 .4 .8 50* 1.9 1.9 100 BONE SPRINGS DIV 9350 3.3 2.4 138 3.6 2.3 157 BURGESS JUNCTION 7880 .6 1.4 43 2.3 2.0 115 CLOUD PEAK RESERVOIR 9860 1.8 1.3 138* 2.5 2.4 104 DOME LAKE 8880 1.9 1.6 119 2.6 2.3 113 GRAVE SPRINGS 8550 .6 1.0 60* 1.7 1.9 89 HANSEN SAWMILL 8360 .2 .7 29 1.5 1.7 88 MIDDLE POWDER 7760 .1 1.1 9* 1.8 2.4 75 POWDER RIVER PASS 9480 2.7 1.1 245* 3.5 1.7 206 SUCKER CREEK 8880 2.1 1.2 175* 2.9 2.2 132 TIE CREEK 6870 .2 .7 29 1.8 2.3 78 ----- ----- Basin wide percent of average 104* 115 BELLE FOURCHE BLIND PARK 6890 .0 .5 0* 1.5 2.4 62 COLE CANYON 5910 .0 .7 0 1.4 -M * NORTH RAPID CREEK 6130 .0 .4 0* 1.2 2.3 52 ----- ----- Basin wide percent of average 0* 57 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .7 0* 2.2 2.2 100 DIVIDE PEAK 8860 2.3 1.5 153* 4.7 2.4 196 ELK RIVER 8700 .7 .6 117* 2.9 2.0 145 JOE WRIGHT 10120 2.8 2.3 122* 1.0 3.0 33 NORTH FRENCH CREEK 10130 2.3 2.9 79* 2.8 3.0 93 OLD BATTLE 9920 5.7 2.7 211* 6.7 3.2 209 SAGE CREEK BASIN 7850 .7 .8 87* 4.1 1.4 293 SOUTH BRUSH CREEK 8440 .2 .7 29* 1.5 2.4 62 TOWER 10500 5.1 3.1 165* 4.0 3.6 111 WEBBER SPRINGS 9250 3.3 1.6 206* 4.7 2.8 168 WILLOW CREEK PASS 9540 1.0 1.0 100* 1.6 1.8 89 ----- ----- Basin wide percent of average 135* 130 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .7 2.0 35* 1.6 2.3 70 CASPER MTN. 7850 .3 1.5 20* 1.8 2.3 78 DEADMAN HILL 10220 2.8 2.0 140 1.8 2.3 78 DEER PARK 9700 5.0 2.3 217 5.8 2.3 252 LAPRELE CREEK 8375 .4 .9 44* 1.9 1.7 112 RENO HILL 8500 .4 1.5 27* 1.4 2.3 61 ROACH 9700 .7 1.1 64* 2.1 2.1 100 SAND LAKE 10050 3.6 2.9 124* 2.5 2.8 89 SOUTH PASS 9040 3.4 1.3 262* 4.1 1.9 216 WINDY PEAK 7900 .0 .5 0* 1.3 1.6 81 ----- ----- Basin wide percent of average 108* 113 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .5 0* 2.5 1.7 147 DIVIDE PEAK 8860 2.3 1.5 153* 4.7 2.4 196 OLD BATTLE 9920 5.7 2.7 211* 6.7 3.2 209 SANDSTONE RS 8150 .4 .5 80* 2.6 2.1 124 WHISKEY PARK 8950 1.8 1.5 120* 3.0 2.6 115 ----- ----- Basin wide percent of average 152* 162 UPPER GREEN RIVER BIG SANDY OPENING 9080 4.5 1.1 409* 4.7 1.7 276 BLIND BULL SUM 8900 2.4 1.5 160* 2.6 2.0 130 EAST RIM DIVIDE 7930 .7 .5 140* 1.6 1.2 133 ELKHART PARK G.S. 9400 3.1 .7 443* 3.7 1.7 218 GROS VENTRE SUMMIT 8750 2.1 1.2 175* 2.2 1.7 129 KENDALL R.S. 7740 1.6 .5 320* 2.8 1.4 200 LOOMIS PARK 8240 2.0 .8 250* 2.8 1.7 165 NEW FORK LAKE 8340 1.3 .5 260* 1.9 1.4 136 SNIDER BASIN 8060 2.2 .6 367* 2.9 1.5 193 SPRING CREEK DIVIDE 9000 3.7 1.3 285* 4.1 2.4 171 TRIPLE PEAK 8500 1.6 1.0 160* 2.6 2.0 130 ----- ----- Basin wide percent of average 260* 171 LOWER GREEN RIVER HAMS FORK 7840 1.5 .4 375* 3.0 1.3 231 HEWINTA 9500 .5 .8 62* 2.4 2.2 109 HICKERSON PARK 9100 1.3 .4 325* 3.1 1.6 194 HOLE-IN-ROCK 9150 1.4 .4 350* 2.8 1.5 187 INDIAN CREEK 9425 4.4 1.3 338* 4.5 2.4 188 KELLEY R.S. 8180 3.4 .8 425* 4.1 1.9 216 STEEL CREEK PARK 10100 3.1 1.5 207* 3.2 2.1 152 ----- ----- Basin wide percent of average 279* 178 UPPER BEAR RIVER BUG LAKE 7950 2.3 1.1 209* 4.3 2.1 205 HAYDEN FORK 9100 3.1 .8 388* 5.7 2.2 259 KELLEY R.S. 8180 3.4 .8 425* 4.1 1.9 216 LILY LAKE 9050 2.1 .9 233* 4.2 2.2 191 MONTE CRISTO 8960 4.8 1.5 320* 5.3 2.5 212 SALT RIVER SUMMIT 7600 1.3 .3 433* 3.1 1.7 182 TRIAL LAKE 9960 -M 1.7 * 7.6 2.5 304 ----- ----- Basin wide percent of average 315* 227 ----------------------------------------------------------------------------- -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.