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 SUNDAY: OCTOBER 29 , 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 .6 33* 2.4 1.9 126 COTTONWOOD CREEK 7600 1.4 .8 175* 3.1 2.8 111 GRANITE CREEK 6770 .1 .5 20* 2.6 1.6 162 GRASSY LAKE 7265 1.7 1.3 131* 5.7 3.2 178 GROS VENTRE SUMMIT 8750 1.7 1.3 131* 2.8 1.7 165 LEWIS LAKE DIVIDE 7850 1.5 1.1 136* 4.0 3.0 133 PHILLIPS BENCH 8200 1.1 1.3 85* 3.6 2.3 157 SALT RIVER SUMMIT 7600 .3 .3 100* 2.1 1.8 117 SNAKE RIVER STATION 6920 .1 .5 20* 4.4 2.1 210 SPRING CREEK DIVIDE 9000 1.3 1.4 93* 2.4 2.4 100 THUMB DIVIDE 7980 .2 .8 25* 2.3 1.9 121 TOGWOTEE PASS 9580 2.7 2.4 113* 3.3 2.6 127 TWO OCEAN PLATEAU 9240 1.9 2.8 68* 3.1 2.9 107 WILLOW CREEK 8450 1.2 1.6 75* 3.6 3.4 106 ----- ----- Basin wide percent of average 92* 135 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.1 2.5 84* 2.5 2.0 125 BLACK BEAR 8170 2.4 2.5 96* 5.2 3.3 158 CANYON 8090 .9 .6 150* 2.9 1.7 171 FISHER CREEK 9100 -M 2.5 * -M 3.1 * MADISON PLATEAU 7750 1.0 1.5 67* 3.0 2.3 130 NORTHEAST ENTRANCE 7350 .0 .3 0* 3.4 1.4 243 PARKER PEAK 9400 1.7 2.4 71* 3.1 2.2 141 SYLVAN LAKE 8420 1.3 1.8 72* 4.3 2.4 179 THUMB DIVIDE 7980 .2 .8 25* 2.3 1.9 121 TWO OCEAN PLATEAU 9240 1.9 2.8 68* 3.1 2.9 107 WHISKEY CREEK 6800 .2 .7 29* -M 2.1 * WHITE MILL 8700 2.3 1.9 121* 3.7 2.5 148 WOLVERINE 7650 .2 .4 50* 1.9 1.7 112 ----- ----- Basin wide percent of average 78* 146 WIND RIVER BURROUGHS CREEK 8750 1.9 .9 211* 2.7 1.5 180 COLD SPRINGS 9630 .8 .9 89 1.7 1.8 94 DEER PARK 9700 1.8 2.4 75 2.9 2.3 126 HOBBS PARK 10100 1.9 2.0 95 2.2 2.0 110 LITTLE WARM 9370 1.6 1.0 160* 1.8 1.6 112 SOUTH PASS 9040 1.5 1.4 107* 2.9 2.0 145 ST. LAWRENCE ALT 8620 1.4 .8 175 1.9 1.6 119 TOGWOTEE PASS 9580 2.7 2.4 113* 3.3 2.6 127 TOWNSEND CREEK 8700 1.9 1.0 190* 3.1 2.0 155 ----- ----- Basin wide percent of average 121* 129 BIGHORN BASIN BALD MTN. 9380 5.0 2.6 192 3.9 2.3 170 BEAR TRAP MEADOW 8200 .9 .5 180 1.6 1.6 100 BLACKWATER 9780 2.1 2.9 72 2.6 2.5 104 BONE SPRINGS DIV 9350 4.1 2.5 164 3.3 2.3 143 EVENING STAR 9200 2.4 2.5 96* 4.0 2.6 154 GRAVE SPRINGS 8550 1.1 1.0 110* 1.4 2.0 70 KIRWIN 9550 1.8 1.7 106 2.4 1.7 141 MARQUETTE 8760 1.4 1.8 78 2.1 2.2 95 MIDDLE POWDER 7760 1.3 1.2 108* 1.6 2.4 67 OWL CREEK 8975 1.7 .8 212 2.1 1.1 191 POWDER RIVER PASS 9480 1.4 1.2 117* 2.1 1.8 117 SHELL CREEK 9580 4.2 2.5 168 2.4 1.9 126 SYLVAN LAKE 8420 1.3 1.8 72* 4.3 2.4 179 SYLVAN ROAD 7120 .6 .4 150* 2.9 2.0 145 TIMBER CREEK 7950 1.1 .9 122 2.0 1.5 133 YOUNTS PEAK 8350 1.0 1.3 77* 2.6 1.7 153 ----- ----- Basin wide percent of average 123 129 SHOSHONE RIVER BLACKWATER 9780 2.1 2.9 72 2.6 2.5 104 EVENING STAR 9200 2.4 2.5 96* 4.0 2.6 154 KIRWIN 9550 1.8 1.7 106 2.4 1.7 141 MARQUETTE 8760 1.4 1.8 78 2.1 2.2 95 SYLVAN LAKE 8420 1.3 1.8 72* 4.3 2.4 179 SYLVAN ROAD 7120 .6 .4 150* 2.9 2.0 145 YOUNTS PEAK 8350 1.0 1.3 77* 2.6 1.7 153 ----- ----- Basin wide percent of average 85* 138 POWDER-TONGUE BEAR TRAP MEADOW 8200 .9 .5 180 1.6 1.6 100 BIG GOOSE 7990 1.1 .8 138* 1.6 2.0 80 BONE SPRINGS DIV 9350 4.1 2.5 164 3.3 2.3 143 BURGESS JUNCTION 7880 1.5 1.4 107 2.9 2.1 138 CLOUD PEAK RESERVOIR 9860 1.5 1.4 107* 2.0 2.4 83 DOME LAKE 8880 1.3 1.7 76 2.1 2.3 91 GRAVE SPRINGS 8550 1.1 1.0 110* 1.4 2.0 70 HANSEN SAWMILL 8360 .9 .8 112 .9 1.7 53 MIDDLE POWDER 7760 1.3 1.2 108* 1.6 2.4 67 POWDER RIVER PASS 9480 1.4 1.2 117* 2.1 1.8 117 SUCKER CREEK 8880 2.2 1.2 183* 2.8 2.3 122 TIE CREEK 6870 .5 .7 71 2.8 2.3 122 ----- ----- Basin wide percent of average 124 100 BELLE FOURCHE BLIND PARK 6890 .8 .5 160* 1.6 2.4 67 COLE CANYON 5910 .0 .7 0 1.6 -M * NORTH RAPID CREEK 6130 .0 .4 0* 1.3 2.3 57 ----- ----- Basin wide percent of average 50* 62 UPPER N. PLATTE RIVER COLUMBINE 9160 1.9 .7 271* 4.3 2.3 187 DIVIDE PEAK 8860 3.7 1.6 231* 5.6 2.5 224 ELK RIVER 8700 2.0 .6 333* 3.9 2.1 186 JOE WRIGHT 10120 3.4 2.4 142* 4.7 3.2 147 NORTH FRENCH CREEK 10130 3.7 3.0 123* 4.8 3.2 150 OLD BATTLE 9920 4.7 2.8 168* 6.5 3.3 197 SAGE CREEK BASIN 7850 2.9 .9 322* 4.0 1.4 286 SOUTH BRUSH CREEK 8440 1.7 .7 243* 2.9 2.4 121 TOWER 10500 5.4 3.2 169* 7.0 3.7 189 WEBBER SPRINGS 9250 3.1 1.7 182* 5.8 2.9 200 WILLOW CREEK PASS 9540 2.5 1.0 250* 2.4 1.9 126 ----- ----- Basin wide percent of average 188* 180 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 3.0 2.1 143* 3.8 2.3 165 CASPER MTN. 7850 1.3 1.6 81* 1.8 2.3 78 DEADMAN HILL 10220 1.8 2.1 86 3.3 2.3 143 DEER PARK 9700 1.8 2.4 75 2.9 2.3 126 LAPRELE CREEK 8375 1.2 1.0 120* 1.6 1.8 89 RENO HILL 8500 2.0 1.6 125 2.8 2.3 122 ROACH 9700 3.8 1.1 345* 4.8 2.2 218 SAND LAKE 10050 3.9 3.0 130* 4.6 2.9 159 SOUTH PASS 9040 1.5 1.4 107* 2.9 2.0 145 WINDY PEAK 7900 1.0 .5 200* 1.6 1.6 100 ----- ----- Basin wide percent of average 127* 137 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .2 .5 40* 3.2 1.8 178 DIVIDE PEAK 8860 3.7 1.6 231* 5.6 2.5 224 OLD BATTLE 9920 4.7 2.8 168* 6.5 3.3 197 SANDSTONE RS 8150 .8 .5 160* 3.3 2.2 150 WHISKEY PARK 8950 2.5 1.6 156* 4.9 2.7 181 ----- ----- Basin wide percent of average 170* 188 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.4 1.1 127* 2.1 1.7 124 BLIND BULL SUM 8900 1.2 1.6 75* 2.1 2.1 100 EAST RIM DIVIDE 7930 .0 .6 0* 1.9 1.3 146 ELKHART PARK G.S. 9400 .7 .8 87* 2.3 1.8 128 GROS VENTRE SUMMIT 8750 1.7 1.3 131* 2.8 1.7 165 KENDALL R.S. 7740 .2 .6 33* 2.2 1.4 157 LOOMIS PARK 8240 .5 .9 56* 2.3 1.7 135 NEW FORK LAKE 8340 .7 .5 140* 2.5 1.4 179 SNIDER BASIN 8060 .8 .7 114* 1.7 1.5 113 SPRING CREEK DIVIDE 9000 1.3 1.4 93* 2.4 2.4 100 TRIPLE PEAK 8500 1.1 1.1 100* 2.4 2.1 114 ----- ----- Basin wide percent of average 91* 129 LOWER GREEN RIVER HAMS FORK 7840 .6 .4 150* 2.0 1.4 143 HEWINTA 9500 -M .8 * 3.0 2.3 130 HICKERSON PARK 9100 .7 .4 175* 2.8 1.6 175 HOLE-IN-ROCK 9150 1.0 .4 250* 2.6 1.5 173 INDIAN CREEK 9425 1.4 1.4 100* 2.5 2.4 104 KELLEY R.S. 8180 .9 .9 100* 2.3 2.0 115 STEEL CREEK PARK 10100 1.8 1.5 120* 3.2 2.2 145 ----- ----- Basin wide percent of average 128* 137 UPPER BEAR RIVER BUG LAKE 7950 1.2 1.2 100* 2.3 2.2 105 HAYDEN FORK 9100 -M .8 * -M 2.3 * KELLEY R.S. 8180 .9 .9 100* 2.3 2.0 115 LILY LAKE 9050 .8 .9 89* 3.4 2.3 148 MONTE CRISTO 8960 1.7 1.5 113* 3.9 2.6 150 SALT RIVER SUMMIT 7600 .3 .3 100* 2.1 1.8 117 TRIAL LAKE 9960 1.0 1.8 56* 4.1 2.6 158 ----- ----- Basin wide percent of average 89* 134 ----------------------------------------------------------------------------- -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.