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: NOVEMBER 5 , 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 1.1 173* 3.3 2.6 127 COTTONWOOD CREEK 7600 2.4 1.4 171* 4.6 3.8 121 GRANITE CREEK 6770 1.7 .9 189* 4.3 2.3 187 GRASSY LAKE 7265 3.8 2.2 173* 5.0 4.3 116 GROS VENTRE SUMMIT 8750 2.5 1.7 147 2.9 2.2 132 LEWIS LAKE DIVIDE 7850 4.4 2.0 220* 5.2 4.2 124 PHILLIPS BENCH 8200 3.4 2.0 170* 4.4 3.2 138 SALT RIVER SUMMIT 7600 1.5 .6 250* 4.0 2.4 167 SNAKE RIVER STATION 6920 1.1 1.0 110* 3.1 2.8 111 SPRING CREEK DIVIDE 9000 5.0 2.2 227* 5.6 3.3 170 THUMB DIVIDE 7980 2.1 1.2 175* 2.8 2.5 112 TOGWOTEE PASS 9580 3.3 3.2 103 3.4 3.5 97 TWO OCEAN PLATEAU 9240 5.4 3.8 142 4.9 3.9 126 WILLOW CREEK 8450 4.3 2.6 165* 6.2 4.5 138 ----- ----- Basin wide percent of average 165* 131 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.1 3.3 94 3.3 2.7 122 BLACK BEAR 8170 6.7 3.6 186* 7.3 4.5 162 CANYON 8090 1.4 1.0 140* 2.6 2.3 113 FISHER CREEK 9100 4.0 3.5 114* 5.1 4.3 119 MADISON PLATEAU 7750 3.5 2.2 159* 4.8 3.2 150 NORTHEAST ENTRANCE 7350 .4 .5 80* 1.5 1.9 79 PARKER PEAK 9400 3.0 3.1 97 3.0 2.8 107 SYLVAN LAKE 8420 3.2 2.5 128 4.3 3.3 130 THUMB DIVIDE 7980 2.1 1.2 175* 2.8 2.5 112 TWO OCEAN PLATEAU 9240 5.4 3.8 142 4.9 3.9 126 WHISKEY CREEK 6800 2.0 1.1 182* 3.9 2.8 139 WHITE MILL 8700 2.8 2.6 108* 3.5 3.5 100 WOLVERINE 7650 .5 .8 62* 1.9 2.2 86 ----- ----- Basin wide percent of average 130* 123 WIND RIVER BURROUGHS CREEK 8750 1.6 1.3 123* 2.0 2.1 95 COLD SPRINGS 9630 1.4 1.4 100 1.9 2.3 83 DEER PARK 9700 6.6 3.0 220 7.5 3.2 234 HOBBS PARK 10100 3.4 2.7 126 3.6 2.5 144 LITTLE WARM 9370 1.7 1.4 121 2.0 2.2 91 SOUTH PASS 9040 4.5 2.0 225 5.6 2.7 207 ST. LAWRENCE ALT 8620 1.0 1.2 83 1.8 2.0 90 TOGWOTEE PASS 9580 3.3 3.2 103 3.4 3.5 97 TOWNSEND CREEK 8700 1.7 1.4 121 4.2 2.5 168 ----- ----- Basin wide percent of average 143 139 BIGHORN BASIN BALD MTN. 9380 3.8 3.3 115 4.1 2.9 141 BEAR TRAP MEADOW 8200 .9 .7 129 2.8 2.0 140 BLACKWATER 9780 3.4 3.7 92 3.7 3.4 109 BONE SPRINGS DIV 9350 4.4 3.1 142 4.5 2.9 155 EVENING STAR 9200 3.5 3.5 100 4.7 3.6 131 GRAVE SPRINGS 8550 1.3 1.4 93 2.6 2.4 108 KIRWIN 9550 1.5 2.2 68 1.8 2.2 82 MARQUETTE 8760 1.2 2.2 55 1.6 2.6 62 MIDDLE POWDER 7760 1.5 1.6 94 2.7 3.0 90 OWL CREEK 8975 .5 1.1 45 1.0 1.3 77 POWDER RIVER PASS 9480 3.5 1.6 219 4.3 2.3 187 SHELL CREEK 9580 3.8 3.0 127 3.6 2.4 150 SYLVAN LAKE 8420 3.2 2.5 128 4.3 3.3 130 SYLVAN ROAD 7120 1.2 .8 150* 3.0 2.8 107 TIMBER CREEK 7950 .0 1.3 0 .6 1.9 32 YOUNTS PEAK 8350 1.6 1.8 89* 2.7 2.3 117 ----- ----- Basin wide percent of average 104 116 SHOSHONE RIVER BLACKWATER 9780 3.4 3.7 92 3.7 3.4 109 EVENING STAR 9200 3.5 3.5 100 4.7 3.6 131 KIRWIN 9550 1.5 2.2 68 1.8 2.2 82 MARQUETTE 8760 1.2 2.2 55 1.6 2.6 62 SYLVAN LAKE 8420 3.2 2.5 128 4.3 3.3 130 SYLVAN ROAD 7120 1.2 .8 150* 3.0 2.8 107 YOUNTS PEAK 8350 1.6 1.8 89* 2.7 2.3 117 ----- ----- Basin wide percent of average 93 108 POWDER-TONGUE BEAR TRAP MEADOW 8200 .9 .7 129 2.8 2.0 140 BIG GOOSE 7990 -M 1.1 * -M 2.3 * BONE SPRINGS DIV 9350 4.4 3.1 142 4.5 2.9 155 BURGESS JUNCTION 7880 1.6 1.9 84 3.2 2.6 123 CLOUD PEAK RESERVOIR 9860 2.8 1.9 147 3.3 3.0 110 DOME LAKE 8880 2.7 2.3 117 3.5 2.9 121 GRAVE SPRINGS 8550 1.3 1.4 93 2.6 2.4 108 HANSEN SAWMILL 8360 .7 1.0 70 1.8 2.1 86 MIDDLE POWDER 7760 1.5 1.6 94 2.7 3.0 90 POWDER RIVER PASS 9480 3.5 1.6 219 4.3 2.3 187 SUCKER CREEK 8880 3.3 1.7 194 4.0 2.8 143 TIE CREEK 6870 .5 1.0 50 2.5 2.7 93 ----- ----- Basin wide percent of average 127 123 BELLE FOURCHE BLIND PARK 6890 .5 .9 56* 2.6 2.9 90 COLE CANYON 5910 .3 1.0 30 2.4 -M * NORTH RAPID CREEK 6130 .6 .6 100* 2.1 2.8 75 ----- ----- Basin wide percent of average 56* 82 UPPER N. PLATTE RIVER COLUMBINE 9160 .6 1.4 43* 3.2 3.0 107 DIVIDE PEAK 8860 4.3 2.2 195 6.9 3.3 209 ELK RIVER 8700 1.0 1.0 100* 4.3 2.7 159 JOE WRIGHT 10120 4.2 3.2 131 1.6 4.1 39 NORTH FRENCH CREEK 10130 4.1 3.9 105 4.6 4.0 115 OLD BATTLE 9920 7.9 3.9 203 9.3 4.4 211 SAGE CREEK BASIN 7850 1.6 1.3 123 5.7 1.9 300 SOUTH BRUSH CREEK 8440 .8 1.1 73* 2.5 3.0 83 TOWER 10500 7.9 4.8 165* 7.1 5.0 142 WEBBER SPRINGS 9250 4.7 2.6 181* 6.7 3.8 176 WILLOW CREEK PASS 9540 2.4 1.5 160 2.2 2.4 92 ----- ----- Basin wide percent of average 147 144 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 1.9 2.7 70* 2.8 3.1 90 CASPER MTN. 7850 1.4 2.2 64 3.1 2.9 107 DEADMAN HILL 10220 4.0 2.7 148 3.1 3.0 103 DEER PARK 9700 6.6 3.0 220 7.5 3.2 234 LAPRELE CREEK 8375 .9 1.4 64 2.8 2.3 122 RENO HILL 8500 1.2 2.1 57 2.4 2.9 83 ROACH 9700 1.4 1.7 82* 3.0 2.8 107 SAND LAKE 10050 5.2 4.1 127 4.1 3.7 111 SOUTH PASS 9040 4.5 2.0 225 5.6 2.7 207 WINDY PEAK 7900 .2 .8 25 1.9 2.1 90 ----- ----- Basin wide percent of average 120 126 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 1.0 .7 143* 3.9 2.3 170 DIVIDE PEAK 8860 4.3 2.2 195 6.9 3.3 209 OLD BATTLE 9920 7.9 3.9 203 9.3 4.4 211 SANDSTONE RS 8150 1.1 .8 138* 4.9 2.8 175 WHISKEY PARK 8950 3.6 2.3 157* 5.5 3.6 153 ----- ----- Basin wide percent of average 181* 186 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.1 1.6 319 5.4 2.2 245 BLIND BULL SUM 8900 3.6 2.4 150* 3.7 2.8 132 EAST RIM DIVIDE 7930 .8 1.0 80* 2.1 1.7 124 ELKHART PARK G.S. 9400 3.6 1.2 300* 4.5 2.3 196 GROS VENTRE SUMMIT 8750 2.5 1.7 147 2.9 2.2 132 KENDALL R.S. 7740 1.9 1.0 190* 3.5 1.9 184 LOOMIS PARK 8240 2.3 1.4 164* 3.5 2.3 152 NEW FORK LAKE 8340 1.5 .9 167* 2.5 1.9 132 SNIDER BASIN 8060 2.4 1.1 218* 3.5 2.1 167 SPRING CREEK DIVIDE 9000 5.0 2.2 227* 5.6 3.3 170 TRIPLE PEAK 8500 2.6 1.9 137* 4.0 2.9 138 ----- ----- Basin wide percent of average 191* 161 LOWER GREEN RIVER HAMS FORK 7840 1.7 .7 243* 3.8 1.8 211 HEWINTA 9500 -M 1.0 * 2.9 2.8 104 HICKERSON PARK 9100 -M .6 * 3.9 2.0 195 HOLE-IN-ROCK 9150 1.8 .6 300* 3.7 1.9 195 INDIAN CREEK 9425 6.0 2.2 273* 6.1 3.3 185 KELLEY R.S. 8180 4.4 1.4 314* 5.6 2.7 207 STEEL CREEK PARK 10100 3.7 2.0 185 4.1 2.8 146 ----- ----- Basin wide percent of average 255* 174 UPPER BEAR RIVER BUG LAKE 7950 2.7 1.6 169* 5.0 2.8 179 HAYDEN FORK 9100 3.7 1.2 308* 7.0 3.0 233 KELLEY R.S. 8180 4.4 1.4 314* 5.6 2.7 207 LILY LAKE 9050 2.6 1.2 217* 5.1 2.9 176 MONTE CRISTO 8960 6.2 2.1 295* 7.2 3.5 206 SALT RIVER SUMMIT 7600 1.5 .6 250* 4.0 2.4 167 TRIAL LAKE 9960 7.0 2.4 292* 9.0 3.4 265 ----- ----- Basin wide percent of average 268* 207 ----------------------------------------------------------------------------- -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.