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 TUESDAY: OCTOBER 26 , 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 .5 220* 2.2 1.7 129 COTTONWOOD CREEK 7600 1.0 .7 143* 2.7 2.5 108 GRANITE CREEK 6770 1.4 .4 350* 3.1 1.5 207 GRASSY LAKE 7265 2.4 1.1 218* 3.2 2.8 114 GROS VENTRE SUMMIT 8750 1.9 1.1 173* 2.1 1.5 140 LEWIS LAKE DIVIDE 7850 3.6 .9 400* 4.2 2.7 156 PHILLIPS BENCH 8200 2.5 1.0 250* 3.2 2.0 160 SALT RIVER SUMMIT 7600 1.2 .3 400* 2.8 1.6 175 SNAKE RIVER STATION 6920 .8 .4 200* 2.3 1.9 121 SPRING CREEK DIVIDE 9000 3.1 1.1 282* 3.5 2.2 159 THUMB DIVIDE 7980 1.7 .6 283* 2.2 1.7 129 TOGWOTEE PASS 9580 2.3 2.1 110* 2.4 2.3 104 TWO OCEAN PLATEAU 9240 3.4 2.5 136* 3.2 2.6 123 WILLOW CREEK 8450 2.0 1.4 143* 3.4 3.1 110 ----- ----- Basin wide percent of average 201* 135 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.8 2.2 82* 2.1 1.8 117 BLACK BEAR 8170 5.0 2.2 227* 5.5 2.9 190 CANYON 8090 .9 .5 180* 1.9 1.5 127 FISHER CREEK 9100 2.5 2.2 114* 3.2 2.7 119 MADISON PLATEAU 7750 2.8 1.2 233* 3.8 2.1 181 NORTHEAST ENTRANCE 7350 .2 .2 100* .9 1.3 69 PARKER PEAK 9400 1.8 2.1 86* 1.9 1.9 100 SYLVAN LAKE 8420 1.6 1.6 100* 2.5 2.2 114 THUMB DIVIDE 7980 1.7 .6 283* 2.2 1.7 129 TWO OCEAN PLATEAU 9240 3.4 2.5 136* 3.2 2.6 123 WHISKEY CREEK 6800 1.5 .6 250* 3.1 1.9 163 WHITE MILL 8700 1.5 1.6 94* 2.1 2.3 91 WOLVERINE 7650 .3 .4 75* 1.3 1.5 87 ----- ----- Basin wide percent of average 140* 128 WIND RIVER BURROUGHS CREEK 8750 1.1 .8 138* 1.3 1.4 93 COLD SPRINGS 9630 1.2 .8 150* 1.7 1.6 106 DEER PARK 9700 4.5 2.0 225 5.3 2.1 252 HOBBS PARK 10100 2.5 1.7 147* 2.7 1.8 150 LITTLE WARM 9370 1.2 .9 133* 1.5 1.5 100 SOUTH PASS 9040 3.1 1.2 258* 3.9 1.8 217 ST. LAWRENCE ALT 8620 .6 .6 100* 1.5 1.5 100 TOGWOTEE PASS 9580 2.3 2.1 110* 2.4 2.3 104 TOWNSEND CREEK 8700 .8 .8 100* 2.9 1.8 161 ----- ----- Basin wide percent of average 159* 147 BIGHORN BASIN BALD MTN. 9380 2.9 2.3 126* 3.2 2.0 160 BEAR TRAP MEADOW 8200 .6 .5 120* 2.1 1.5 140 BLACKWATER 9780 2.2 2.6 85* 2.4 2.3 104 BONE SPRINGS DIV 9350 3.3 2.2 150 3.5 2.1 167 EVENING STAR 9200 2.1 2.2 95* 3.0 2.3 130 GRAVE SPRINGS 8550 .5 .8 62* 1.6 1.8 89 KIRWIN 9550 1.1 1.5 73 1.4 1.5 93 MARQUETTE 8760 .2 1.6 12 .8 1.9 42 MIDDLE POWDER 7760 .4 1.1 36* 1.8 2.2 82 OWL CREEK 8975 .0 .7 0 .4 1.0 40 POWDER RIVER PASS 9480 2.6 1.0 260* 3.4 1.6 212 SHELL CREEK 9580 2.9 2.3 126 2.8 1.7 165 SYLVAN LAKE 8420 1.6 1.6 100* 2.5 2.2 114 SYLVAN ROAD 7120 .5 .4 125* 2.1 1.8 117 TIMBER CREEK 7950 .0 .7 0 .5 1.4 36 YOUNTS PEAK 8350 1.2 1.1 109* 2.2 1.5 147 ----- ----- Basin wide percent of average 98* 117 SHOSHONE RIVER BLACKWATER 9780 2.2 2.6 85* 2.4 2.3 104 EVENING STAR 9200 2.1 2.2 95* 3.0 2.3 130 KIRWIN 9550 1.1 1.5 73 1.4 1.5 93 MARQUETTE 8760 .2 1.6 12 .8 1.9 42 SYLVAN LAKE 8420 1.6 1.6 100* 2.5 2.2 114 SYLVAN ROAD 7120 .5 .4 125* 2.1 1.8 117 YOUNTS PEAK 8350 1.2 1.1 109* 2.2 1.5 147 ----- ----- Basin wide percent of average 81* 107 POWDER-TONGUE BEAR TRAP MEADOW 8200 .6 .5 120* 2.1 1.5 140 BIG GOOSE 7990 .3 .7 43* 1.7 1.8 94 BONE SPRINGS DIV 9350 3.3 2.2 150 3.5 2.1 167 BURGESS JUNCTION 7880 .6 1.2 50* 2.2 1.9 116 CLOUD PEAK RESERVOIR 9860 1.8 1.2 150* 2.3 2.2 105 DOME LAKE 8880 1.9 1.5 127 2.6 2.1 124 GRAVE SPRINGS 8550 .5 .8 62* 1.6 1.8 89 HANSEN SAWMILL 8360 .4 .7 57 1.4 1.5 93 MIDDLE POWDER 7760 .4 1.1 36* 1.8 2.2 82 POWDER RIVER PASS 9480 2.6 1.0 260* 3.4 1.6 212 SUCKER CREEK 8880 2.1 1.1 191* 2.9 2.0 145 TIE CREEK 6870 .3 .6 50* 1.8 2.1 86 ----- ----- Basin wide percent of average 117* 120 BELLE FOURCHE BLIND PARK 6890 .0 .4 0* 1.5 2.2 68 COLE CANYON 5910 .0 .6 0* 1.1 -M * NORTH RAPID CREEK 6130 .0 .4 0* 1.2 2.1 57 ----- ----- Basin wide percent of average 0* 63 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .6 0* 2.2 2.0 110 DIVIDE PEAK 8860 2.1 1.4 150* 4.4 2.3 191 ELK RIVER 8700 .8 .5 160* 2.7 1.9 142 JOE WRIGHT 10120 2.9 2.0 145* 1.0 2.8 36 NORTH FRENCH CREEK 10130 2.3 2.6 88* 2.7 2.8 96 OLD BATTLE 9920 5.3 2.5 212* 6.3 3.0 210 SAGE CREEK BASIN 7850 1.1 .8 138* 3.8 1.3 292 SOUTH BRUSH CREEK 8440 .5 .6 83* 1.4 2.2 64 TOWER 10500 5.0 2.7 185* 3.8 3.3 115 WEBBER SPRINGS 9250 3.1 1.5 207* 4.4 2.6 169 WILLOW CREEK PASS 9540 1.1 .9 122* 1.6 1.7 94 ----- ----- Basin wide percent of average 150* 132 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .6 1.8 33* 1.5 2.1 71 CASPER MTN. 7850 .2 1.4 14* 1.6 2.1 76 DEADMAN HILL 10220 2.7 1.8 150* 1.8 2.1 86 DEER PARK 9700 4.5 2.0 225 5.3 2.1 252 LAPRELE CREEK 8375 .4 .8 50* 1.6 1.6 100 RENO HILL 8500 .4 1.4 29* 1.3 2.1 62 ROACH 9700 .7 .9 78* 2.1 1.9 111 SAND LAKE 10050 3.5 2.7 130* 2.4 2.6 92 SOUTH PASS 9040 3.1 1.2 258* 3.9 1.8 217 WINDY PEAK 7900 .0 .4 0* 1.1 1.5 73 ----- ----- Basin wide percent of average 112* 114 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .5 .4 125* 2.2 1.6 138 DIVIDE PEAK 8860 2.1 1.4 150* 4.4 2.3 191 OLD BATTLE 9920 5.3 2.5 212* 6.3 3.0 210 SANDSTONE RS 8150 .5 .4 125* 2.4 1.9 126 WHISKEY PARK 8950 1.7 1.3 131* 2.8 2.4 117 ----- ----- Basin wide percent of average 168* 162 UPPER GREEN RIVER BIG SANDY OPENING 9080 -M 1.0 * 4.4 1.5 293 BLIND BULL SUM 8900 2.3 1.3 177* 2.5 1.9 132 EAST RIM DIVIDE 7930 .5 .5 100* 1.3 1.1 118 ELKHART PARK G.S. 9400 2.8 .7 400* 3.5 1.6 219 GROS VENTRE SUMMIT 8750 1.9 1.1 173* 2.1 1.5 140 KENDALL R.S. 7740 1.4 .5 280* 2.5 1.3 192 LOOMIS PARK 8240 1.8 .7 257* 2.5 1.5 167 NEW FORK LAKE 8340 1.0 .4 250* 1.6 1.3 123 SNIDER BASIN 8060 1.7 .6 283* 2.4 1.4 171 SPRING CREEK DIVIDE 9000 3.1 1.1 282* 3.5 2.2 159 TRIPLE PEAK 8500 1.4 .9 156* 2.2 1.9 116 ----- ----- Basin wide percent of average 229* 166 LOWER GREEN RIVER HAMS FORK 7840 1.4 .3 467* 2.8 1.2 233 HEWINTA 9500 .6 .7 86* 2.2 2.0 110 HICKERSON PARK 9100 1.1 .3 367* 2.8 1.5 187 HOLE-IN-ROCK 9150 1.1 .3 367* 2.4 1.4 171 INDIAN CREEK 9425 4.0 1.2 333* 4.1 2.2 186 KELLEY R.S. 8180 3.0 .7 429* 3.6 1.8 200 STEEL CREEK PARK 10100 2.8 1.4 200* 2.7 1.9 142 ----- ----- Basin wide percent of average 286* 172 UPPER BEAR RIVER BUG LAKE 7950 2.0 1.0 200* 3.7 1.9 195 HAYDEN FORK 9100 2.8 .7 400* 5.3 2.0 265 KELLEY R.S. 8180 3.0 .7 429* 3.6 1.8 200 LILY LAKE 9050 1.9 .8 237* 4.0 2.0 200 MONTE CRISTO 8960 4.4 1.3 338* 4.9 2.3 213 SALT RIVER SUMMIT 7600 1.2 .3 400* 2.8 1.6 175 TRIAL LAKE 9960 5.5 1.6 344* 6.9 2.3 300 ----- ----- Basin wide percent of average 325* 224 ----------------------------------------------------------------------------- -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.