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 26 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .2 .5 40* 2.4 1.7 141 COTTONWOOD CREEK 7600 1.3 .7 186* 3.1 2.5 124 GRANITE CREEK 6770 .1 .4 25* 2.5 1.5 167 GRASSY LAKE 7265 1.5 1.1 136* 5.5 2.8 196 GROS VENTRE SUMMIT 8750 1.7 1.1 155* 2.7 1.5 180 LEWIS LAKE DIVIDE 7850 1.4 .9 156* 4.0 2.7 148 PHILLIPS BENCH 8200 1.0 1.0 100* 3.6 2.0 180 SALT RIVER SUMMIT 7600 .3 .3 100* 2.0 1.6 125 SNAKE RIVER STATION 6920 .2 .4 50* 4.3 1.9 226 SPRING CREEK DIVIDE 9000 1.2 1.1 109* 2.2 2.2 100 THUMB DIVIDE 7980 .2 .6 33* 2.2 1.7 129 TOGWOTEE PASS 9580 2.7 2.1 129* 3.3 2.3 143 TWO OCEAN PLATEAU 9240 1.7 2.5 68* 3.1 2.6 119 WILLOW CREEK 8450 1.2 1.4 86* 3.6 3.1 116 ----- ----- Basin wide percent of average 104* 148 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.9 2.2 86* 2.3 1.8 128 BLACK BEAR 8170 2.5 2.2 114* 5.2 2.9 179 CANYON 8090 .9 .5 180* 2.8 1.5 187 FISHER CREEK 9100 -M 2.2 * -M 2.7 * MADISON PLATEAU 7750 .8 1.2 67* 2.9 2.1 138 NORTHEAST ENTRANCE 7350 .0 .2 0* 3.3 1.3 254 PARKER PEAK 9400 1.6 2.1 76* 2.9 1.9 153 SYLVAN LAKE 8420 1.1 1.6 69* 4.2 2.2 191 THUMB DIVIDE 7980 .2 .6 33* 2.2 1.7 129 TWO OCEAN PLATEAU 9240 1.7 2.5 68* 3.1 2.6 119 WHISKEY CREEK 6800 .2 .6 33* 2.3 1.9 121 WHITE MILL 8700 2.2 1.6 138* 3.5 2.3 152 WOLVERINE 7650 .2 .4 50* 1.6 1.5 107 ----- ----- Basin wide percent of average 85* 153 WIND RIVER BURROUGHS CREEK 8750 1.8 .8 225* 2.6 1.4 186 COLD SPRINGS 9630 .8 .8 100* 1.6 1.6 100 DEER PARK 9700 1.7 2.0 85 2.8 2.1 133 HOBBS PARK 10100 1.9 1.7 112* 2.0 1.8 111 LITTLE WARM 9370 1.5 .9 167* 1.6 1.5 107 SOUTH PASS 9040 1.4 1.2 117* 2.9 1.8 161 ST. LAWRENCE ALT 8620 1.3 .6 217* 1.8 1.5 120 TOGWOTEE PASS 9580 2.7 2.1 129* 3.3 2.3 143 TOWNSEND CREEK 8700 1.8 .8 225* 3.0 1.8 167 ----- ----- Basin wide percent of average 137* 137 BIGHORN BASIN BALD MTN. 9380 5.0 2.3 217* 3.6 2.0 180 BEAR TRAP MEADOW 8200 .7 .5 140* 1.4 1.5 93 BLACKWATER 9780 1.9 2.6 73* 2.4 2.3 104 BONE SPRINGS DIV 9350 4.2 2.2 191 3.1 2.1 148 EVENING STAR 9200 2.3 2.2 105* 3.5 2.3 152 GRAVE SPRINGS 8550 1.0 .8 125* 1.4 1.8 78 KIRWIN 9550 1.7 1.5 113 2.1 1.5 140 MARQUETTE 8760 1.0 1.6 62 1.8 1.9 95 MIDDLE POWDER 7760 1.3 1.1 118* 1.6 2.2 73 OWL CREEK 8975 1.6 .7 229 2.0 1.0 200 POWDER RIVER PASS 9480 1.4 1.0 140* 2.1 1.6 131 SHELL CREEK 9580 4.2 2.3 183 2.4 1.7 141 SYLVAN LAKE 8420 1.1 1.6 69* 4.2 2.2 191 SYLVAN ROAD 7120 .7 .4 175* 2.9 1.8 161 TIMBER CREEK 7950 1.0 .7 143 2.2 1.4 157 YOUNTS PEAK 8350 1.0 1.1 91* 2.8 1.5 187 ----- ----- Basin wide percent of average 133* 137 SHOSHONE RIVER BLACKWATER 9780 1.9 2.6 73* 2.4 2.3 104 EVENING STAR 9200 2.3 2.2 105* 3.5 2.3 152 KIRWIN 9550 1.7 1.5 113 2.1 1.5 140 MARQUETTE 8760 1.0 1.6 62 1.8 1.9 95 SYLVAN LAKE 8420 1.1 1.6 69* 4.2 2.2 191 SYLVAN ROAD 7120 .7 .4 175* 2.9 1.8 161 YOUNTS PEAK 8350 1.0 1.1 91* 2.8 1.5 187 ----- ----- Basin wide percent of average 88* 146 POWDER-TONGUE BEAR TRAP MEADOW 8200 .7 .5 140* 1.4 1.5 93 BIG GOOSE 7990 1.0 .7 143* 1.4 1.8 78 BONE SPRINGS DIV 9350 4.2 2.2 191 3.1 2.1 148 BURGESS JUNCTION 7880 1.4 1.2 117* 2.7 1.9 142 CLOUD PEAK RESERVOIR 9860 1.4 1.2 117* 1.7 2.2 77 DOME LAKE 8880 1.2 1.5 80 2.1 2.1 100 GRAVE SPRINGS 8550 1.0 .8 125* 1.4 1.8 78 HANSEN SAWMILL 8360 .8 .7 114 .8 1.5 53 MIDDLE POWDER 7760 1.3 1.1 118* 1.6 2.2 73 POWDER RIVER PASS 9480 1.4 1.0 140* 2.1 1.6 131 SUCKER CREEK 8880 2.1 1.1 191* 2.7 2.0 135 TIE CREEK 6870 .5 .6 83* 2.8 2.1 133 ----- ----- Basin wide percent of average 135* 104 BELLE FOURCHE BLIND PARK 6890 .8 .4 200* 1.5 2.2 68 COLE CANYON 5910 .1 .6 17* 1.5 -M * NORTH RAPID CREEK 6130 .1 .4 25* 1.2 2.1 57 ----- ----- Basin wide percent of average 71* 63 UPPER N. PLATTE RIVER COLUMBINE 9160 1.8 .6 300* 4.0 2.0 200 DIVIDE PEAK 8860 3.5 1.4 250* 5.2 2.3 226 ELK RIVER 8700 1.9 .5 380* 3.5 1.9 184 JOE WRIGHT 10120 2.5 2.0 125* 3.7 2.8 132 NORTH FRENCH CREEK 10130 3.6 2.6 138* 4.7 2.8 168 OLD BATTLE 9920 4.3 2.5 172* 5.7 3.0 190 SAGE CREEK BASIN 7850 2.9 .8 362* 3.8 1.3 292 SOUTH BRUSH CREEK 8440 1.7 .6 283* 2.7 2.2 123 TOWER 10500 5.0 2.7 185* 6.5 3.3 197 WEBBER SPRINGS 9250 2.7 1.5 180* 5.0 2.6 192 WILLOW CREEK PASS 9540 2.0 .9 222* 1.8 1.7 106 ----- ----- Basin wide percent of average 198* 180 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 3.0 1.8 167* 3.6 2.1 171 CASPER MTN. 7850 1.2 1.4 86* 1.7 2.1 81 DEADMAN HILL 10220 .9 1.8 50* 2.5 2.1 119 DEER PARK 9700 1.7 2.0 85 2.8 2.1 133 LAPRELE CREEK 8375 1.2 .8 150* 1.5 1.6 94 RENO HILL 8500 1.9 1.4 136* 2.6 2.1 124 ROACH 9700 3.0 .9 333* 3.8 1.9 200 SAND LAKE 10050 3.7 2.7 137* 4.4 2.6 169 SOUTH PASS 9040 1.4 1.2 117* 2.9 1.8 161 WINDY PEAK 7900 1.0 .4 250* 1.4 1.5 93 ----- ----- Basin wide percent of average 132* 137 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .6 .4 150* 3.1 1.6 194 DIVIDE PEAK 8860 3.5 1.4 250* 5.2 2.3 226 OLD BATTLE 9920 4.3 2.5 172* 5.7 3.0 190 SANDSTONE RS 8150 1.1 .4 275* 3.3 1.9 174 WHISKEY PARK 8950 2.4 1.3 185* 4.6 2.4 192 ----- ----- Basin wide percent of average 198* 196 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.5 1.0 150* 2.2 1.5 147 BLIND BULL SUM 8900 1.2 1.3 92* 2.1 1.9 111 EAST RIM DIVIDE 7930 .0 .5 0* 1.8 1.1 164 ELKHART PARK G.S. 9400 .6 .7 86* 2.2 1.6 138 GROS VENTRE SUMMIT 8750 1.7 1.1 155* 2.7 1.5 180 KENDALL R.S. 7740 -M .5 * -M 1.3 * LOOMIS PARK 8240 .5 .7 71* 2.2 1.5 147 NEW FORK LAKE 8340 .7 .4 175* 1.4 1.3 108 SNIDER BASIN 8060 .8 .6 133* 1.6 1.4 114 SPRING CREEK DIVIDE 9000 1.2 1.1 109* 2.2 2.2 100 TRIPLE PEAK 8500 1.1 .9 122* 2.4 1.9 126 ----- ----- Basin wide percent of average 112* 131 LOWER GREEN RIVER HAMS FORK 7840 .6 .3 200* 2.0 1.2 167 HEWINTA 9500 .0 .7 0* 3.0 2.0 150 HICKERSON PARK 9100 1.1 .3 367* 2.7 1.5 180 HOLE-IN-ROCK 9150 1.0 .3 333* 2.5 1.4 179 INDIAN CREEK 9425 1.4 1.2 117* 2.4 2.2 109 KELLEY R.S. 8180 .9 .7 129* 2.2 1.8 122 STEEL CREEK PARK 10100 1.6 1.4 114* 3.1 1.9 163 ----- ----- Basin wide percent of average 135* 149 UPPER BEAR RIVER BUG LAKE 7950 1.3 1.0 130* 2.3 1.9 121 HAYDEN FORK 9100 .3 .7 43* 4.4 2.0 220 KELLEY R.S. 8180 .9 .7 129* 2.2 1.8 122 LILY LAKE 9050 .8 .8 100* 3.3 2.0 165 MONTE CRISTO 8960 1.6 1.3 123* 3.9 2.3 170 SALT RIVER SUMMIT 7600 .3 .3 100* 2.0 1.6 125 TRIAL LAKE 9960 1.0 1.6 62* 4.0 2.3 174 ----- ----- Basin wide percent of average 97* 159 ----------------------------------------------------------------------------- -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.