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: NOVEMBER 4 , 2004 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.9 1.0 190* 3.3 2.5 132 COTTONWOOD CREEK 7600 2.5 1.3 192* 4.6 3.6 128 GRANITE CREEK 6770 1.7 .8 212* 4.3 2.2 195 GRASSY LAKE 7265 3.9 2.0 195* 5.2 4.1 127 GROS VENTRE SUMMIT 8750 2.5 1.6 156 2.9 2.1 138 LEWIS LAKE DIVIDE 7850 4.4 1.8 244* 5.4 4.0 135 PHILLIPS BENCH 8200 3.5 1.9 184* 4.4 3.0 147 SALT RIVER SUMMIT 7600 1.6 .6 267* 4.0 2.3 174 SNAKE RIVER STATION 6920 1.2 .9 133* 3.2 2.7 119 SPRING CREEK DIVIDE 9000 5.0 2.0 250* 5.7 3.2 178 THUMB DIVIDE 7980 2.2 1.2 183* 2.9 2.4 121 TOGWOTEE PASS 9580 3.3 3.1 106 3.4 3.3 103 TWO OCEAN PLATEAU 9240 5.5 3.7 149 4.9 3.7 132 WILLOW CREEK 8450 4.4 2.4 183* 6.3 4.4 143 ----- ----- Basin wide percent of average 179* 139 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.1 3.1 100 3.3 2.6 127 BLACK BEAR 8170 6.7 3.5 191* 7.3 4.3 170 CANYON 8090 1.4 .9 156* 2.6 2.2 118 FISHER CREEK 9100 4.0 3.3 121* 4.9 4.0 123 MADISON PLATEAU 7750 3.5 2.0 175* 4.8 3.1 155 NORTHEAST ENTRANCE 7350 .4 .5 80* 1.5 1.8 83 PARKER PEAK 9400 3.0 3.0 100 3.1 2.7 115 SYLVAN LAKE 8420 3.3 2.4 138* 4.4 3.1 142 THUMB DIVIDE 7980 2.2 1.2 183* 2.9 2.4 121 TWO OCEAN PLATEAU 9240 5.5 3.7 149 4.9 3.7 132 WHISKEY CREEK 6800 2.0 1.0 200* 3.9 2.7 144 WHITE MILL 8700 -M 2.5 * -M 3.3 * WOLVERINE 7650 .6 .7 86* 1.8 2.2 82 ----- ----- Basin wide percent of average 141* 130 WIND RIVER BURROUGHS CREEK 8750 1.6 1.3 123* 2.2 2.0 110 COLD SPRINGS 9630 1.4 1.3 108 1.8 2.2 82 DEER PARK 9700 6.6 2.9 228 7.5 3.0 250 HOBBS PARK 10100 3.2 2.6 123 3.4 2.4 142 LITTLE WARM 9370 1.7 1.3 131 2.0 2.1 95 SOUTH PASS 9040 4.5 1.9 237 5.6 2.6 215 ST. LAWRENCE ALT 8620 1.0 1.1 91 1.8 2.0 90 TOGWOTEE PASS 9580 3.3 3.1 106 3.4 3.3 103 TOWNSEND CREEK 8700 1.7 1.3 131 4.2 2.4 175 ----- ----- Basin wide percent of average 149 145 BIGHORN BASIN BALD MTN. 9380 3.7 3.2 116 4.0 2.8 143 BEAR TRAP MEADOW 8200 .9 .7 129 2.7 2.0 135 BLACKWATER 9780 3.3 3.6 92 3.7 3.2 116 BONE SPRINGS DIV 9350 4.4 3.0 147 4.5 2.8 161 EVENING STAR 9200 3.4 3.3 103* 4.6 3.4 135 GRAVE SPRINGS 8550 1.2 1.4 86 2.5 2.3 109 KIRWIN 9550 1.4 2.1 67 1.7 2.1 81 MARQUETTE 8760 1.0 2.2 45 1.6 2.6 62 MIDDLE POWDER 7760 1.5 1.6 94 2.7 2.9 93 OWL CREEK 8975 .5 1.0 50 .8 1.3 62 POWDER RIVER PASS 9480 3.4 1.5 227 4.3 2.2 195 SHELL CREEK 9580 3.7 3.0 123 3.6 2.3 157 SYLVAN LAKE 8420 3.3 2.4 138* 4.4 3.1 142 SYLVAN ROAD 7120 1.3 .8 162* 3.0 2.6 115 TIMBER CREEK 7950 .0 1.3 0 .6 1.8 33 YOUNTS PEAK 8350 1.7 1.7 100* 2.8 2.2 127 ----- ----- Basin wide percent of average 106 120 SHOSHONE RIVER BLACKWATER 9780 3.3 3.6 92 3.7 3.2 116 EVENING STAR 9200 3.4 3.3 103* 4.6 3.4 135 KIRWIN 9550 1.4 2.1 67 1.7 2.1 81 MARQUETTE 8760 1.0 2.2 45 1.6 2.6 62 SYLVAN LAKE 8420 3.3 2.4 138* 4.4 3.1 142 SYLVAN ROAD 7120 1.3 .8 162* 3.0 2.6 115 YOUNTS PEAK 8350 1.7 1.7 100* 2.8 2.2 127 ----- ----- Basin wide percent of average 96* 114 POWDER-TONGUE BEAR TRAP MEADOW 8200 .9 .7 129 2.7 2.0 135 BIG GOOSE 7990 1.2 1.0 120* 2.7 2.3 117 BONE SPRINGS DIV 9350 4.4 3.0 147 4.5 2.8 161 BURGESS JUNCTION 7880 1.5 1.8 83 3.1 2.5 124 CLOUD PEAK RESERVOIR 9860 2.8 1.8 156 3.2 2.9 110 DOME LAKE 8880 2.6 2.2 118 3.5 2.8 125 GRAVE SPRINGS 8550 1.2 1.4 86 2.5 2.3 109 HANSEN SAWMILL 8360 .7 1.0 70 1.7 2.0 85 MIDDLE POWDER 7760 1.5 1.6 94 2.7 2.9 93 POWDER RIVER PASS 9480 3.4 1.5 227 4.3 2.2 195 SUCKER CREEK 8880 3.3 1.6 206 4.0 2.7 148 TIE CREEK 6870 .5 1.0 50 2.5 2.7 93 ----- ----- Basin wide percent of average 129 124 BELLE FOURCHE BLIND PARK 6890 .6 .8 75* 2.6 2.9 90 COLE CANYON 5910 .3 1.0 30 2.3 -M * NORTH RAPID CREEK 6130 .5 .6 83* 2.0 2.7 74 ----- ----- Basin wide percent of average 58* 82 UPPER N. PLATTE RIVER COLUMBINE 9160 .6 1.3 46* 3.2 2.9 110 DIVIDE PEAK 8860 4.2 2.1 200 6.9 3.1 223 ELK RIVER 8700 1.0 .9 111* 4.2 2.6 162 JOE WRIGHT 10120 3.9 3.1 126 1.5 3.9 38 NORTH FRENCH CREEK 10130 4.1 3.7 111 4.6 3.9 118 OLD BATTLE 9920 7.9 3.7 214 9.2 4.3 214 SAGE CREEK BASIN 7850 1.6 1.2 133* 5.6 1.8 311 SOUTH BRUSH CREEK 8440 .8 1.0 80* 2.5 3.0 83 TOWER 10500 7.9 4.6 172* 7.0 4.8 146 WEBBER SPRINGS 9250 4.6 2.4 192* 6.5 3.7 176 WILLOW CREEK PASS 9540 2.3 1.5 153 2.2 2.3 96 ----- ----- Basin wide percent of average 153* 147 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 1.7 2.6 65* 2.8 3.0 93 CASPER MTN. 7850 1.6 2.1 76 3.0 2.9 103 DEADMAN HILL 10220 3.9 2.6 150 3.0 2.9 103 DEER PARK 9700 6.6 2.9 228 7.5 3.0 250 LAPRELE CREEK 8375 .9 1.3 69 2.8 2.2 127 RENO HILL 8500 1.1 2.0 55 2.4 2.8 86 ROACH 9700 1.3 1.6 81* 3.0 2.7 111 SAND LAKE 10050 5.1 4.0 127 4.0 3.6 111 SOUTH PASS 9040 4.5 1.9 237 5.6 2.6 215 WINDY PEAK 7900 .1 .8 12* 1.8 2.0 90 ----- ----- Basin wide percent of average 123 130 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .9 .7 129* 3.9 2.2 177 DIVIDE PEAK 8860 4.2 2.1 200 6.9 3.1 223 OLD BATTLE 9920 7.9 3.7 214 9.2 4.3 214 SANDSTONE RS 8150 1.2 .8 150* 4.9 2.7 181 WHISKEY PARK 8950 3.6 2.2 164* 5.5 3.5 157 ----- ----- Basin wide percent of average 187* 192 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.1 1.5 340 5.4 2.1 257 BLIND BULL SUM 8900 3.7 2.2 168* 3.7 2.7 137 EAST RIM DIVIDE 7930 .8 .9 89* 2.2 1.6 138 ELKHART PARK G.S. 9400 3.6 1.1 327* 4.5 2.2 205 GROS VENTRE SUMMIT 8750 2.5 1.6 156 2.9 2.1 138 KENDALL R.S. 7740 1.9 .9 211* 3.5 1.8 194 LOOMIS PARK 8240 2.4 1.3 185* 3.5 2.2 159 NEW FORK LAKE 8340 1.5 .8 188* 2.6 1.8 144 SNIDER BASIN 8060 2.5 1.0 250* 3.6 2.0 180 SPRING CREEK DIVIDE 9000 5.0 2.0 250* 5.7 3.2 178 TRIPLE PEAK 8500 2.7 1.7 159* 4.1 2.7 152 ----- ----- Basin wide percent of average 211* 171 LOWER GREEN RIVER HAMS FORK 7840 1.9 .6 317* 3.8 1.7 224 HEWINTA 9500 -M 1.0 * 2.9 2.7 107 HICKERSON PARK 9100 1.4 .6 233* 3.9 1.9 205 HOLE-IN-ROCK 9150 1.7 .6 283* 3.7 1.8 206 INDIAN CREEK 9425 6.0 2.0 300* 6.2 3.1 200 KELLEY R.S. 8180 4.5 1.3 346* 5.7 2.6 219 STEEL CREEK PARK 10100 3.7 1.9 195 4.1 2.7 152 ----- ----- Basin wide percent of average 274* 184 UPPER BEAR RIVER BUG LAKE 7950 2.7 1.5 180* 5.0 2.7 185 HAYDEN FORK 9100 3.7 1.1 336* 7.0 2.9 241 KELLEY R.S. 8180 4.5 1.3 346* 5.7 2.6 219 LILY LAKE 9050 2.6 1.2 217* 5.1 2.8 182 MONTE CRISTO 8960 6.1 2.0 305* 7.2 3.3 218 SALT RIVER SUMMIT 7600 1.6 .6 267* 4.0 2.3 174 TRIAL LAKE 9960 7.0 2.3 304* 9.0 3.3 273 ----- ----- Basin wide percent of average 282* 216 ----------------------------------------------------------------------------- -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.