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 MONDAY: OCTOBER 17 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .1 .2 50* 1.3 1.1 118 COTTONWOOD CREEK 7600 .1 .2 50* 1.8 1.6 112 GRANITE CREEK 6770 .0 .2 0* .7 .9 78 GRASSY LAKE 7265 .0 .4 0* 2.1 1.8 117 GROS VENTRE SUMMIT 8750 .9 .7 129* 1.2 1.0 120 LEWIS LAKE DIVIDE 7850 .2 .2 100* 1.7 1.7 100 PHILLIPS BENCH 8200 .0 .4 0* 1.1 1.3 85 SALT RIVER SUMMIT 7600 .0 .0 100* .9 1.0 90 SNAKE RIVER STATION 6920 .0 .1 0* 1.3 1.2 108 SPRING CREEK DIVIDE 9000 .0 .5 0* .5 1.4 36 THUMB DIVIDE 7980 .0 .2 0* 1.5 1.1 136 TOGWOTEE PASS 9580 1.6 1.2 133* 2.0 1.5 133 TWO OCEAN PLATEAU 9240 1.9 1.4 136* 2.2 1.7 129 WILLOW CREEK 8450 .0 .6 0* 2.6 2.0 130 ----- ----- Basin wide percent of average 76* 108 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.1 1.5 73* 1.1 1.1 100 BLACK BEAR 8170 1.8 1.0 180* 2.6 1.9 137 CANYON 8090 .1 .3 33* 1.3 1.0 130 FISHER CREEK 9100 1.2 1.2 100* 1.3 1.8 72 MADISON PLATEAU 7750 .3 .6 50* 2.0 1.3 154 NORTHEAST ENTRANCE 7350 .0 .1 0* .8 .8 100 PARKER PEAK 9400 1.0 1.4 71* 1.5 1.2 125 SYLVAN LAKE 8420 .1 1.0 10* 2.0 1.4 143 THUMB DIVIDE 7980 .0 .2 0* 1.5 1.1 136 TWO OCEAN PLATEAU 9240 1.9 1.4 136* 2.2 1.7 129 WHISKEY CREEK 6800 .1 .2 50* 1.4 1.2 117 WHITE MILL 8700 .6 .9 67* 1.2 1.4 86 WOLVERINE 7650 .1 .1 100* .8 1.0 80 ----- ----- Basin wide percent of average 84* 117 WIND RIVER BURROUGHS CREEK 8750 .8 .4 200* 1.8 .9 200 COLD SPRINGS 9630 .6 .3 200* 2.0 1.0 200 DEER PARK 9700 .3 1.0 30* 1.2 1.3 92 HOBBS PARK 10100 1.2 .9 133* 2.1 1.1 191 LITTLE WARM 9370 1.4 .5 280* 2.0 .9 222 SOUTH PASS 9040 .1 .5 20* 1.6 1.1 145 ST. LAWRENCE ALT 8620 .2 .2 100* 1.9 .9 211 TOGWOTEE PASS 9580 1.6 1.2 133* 2.0 1.5 133 TOWNSEND CREEK 8700 .2 .4 50* 2.1 1.1 191 ----- ----- Basin wide percent of average 119* 170 BIGHORN BASIN BALD MTN. 9380 1.9 1.7 112* 2.1 1.3 162 BEAR TRAP MEADOW 8200 .2 .2 100* 1.9 .9 211 BLACKWATER 9780 1.0 1.7 59* 1.4 1.4 100 BONE SPRINGS DIV 9350 2.0 1.5 133* 2.3 1.3 177 EVENING STAR 9200 .7 1.4 50* 1.8 1.5 120 GRAVE SPRINGS 8550 .0 .3 0* 2.3 1.1 209 KIRWIN 9550 1.3 .9 144* 1.5 1.0 150 MARQUETTE 8760 .3 1.0 30* 2.1 1.2 175 MIDDLE POWDER 7760 .3 .7 43* 2.4 1.4 171 OWL CREEK 8975 1.6 .4 400* 1.8 .6 300 POWDER RIVER PASS 9480 .7 .6 117* 1.8 1.0 180 SHELL CREEK 9580 1.8 1.7 106 2.0 1.1 182 SYLVAN LAKE 8420 .1 1.0 10* 2.0 1.4 143 SYLVAN ROAD 7120 .2 .1 200* 1.3 1.1 118 TIMBER CREEK 7950 .0 .2 0* 1.7 .9 189 YOUNTS PEAK 8350 -M .7 * 2.3 1.0 230 ----- ----- Basin wide percent of average 90* 169 SHOSHONE RIVER BLACKWATER 9780 1.0 1.7 59* 1.4 1.4 100 EVENING STAR 9200 .7 1.4 50* 1.8 1.5 120 KIRWIN 9550 1.3 .9 144* 1.5 1.0 150 MARQUETTE 8760 .3 1.0 30* 2.1 1.2 175 SYLVAN LAKE 8420 .1 1.0 10* 2.0 1.4 143 SYLVAN ROAD 7120 .2 .1 200* 1.3 1.1 118 YOUNTS PEAK 8350 -M .7 * 2.3 1.0 230 ----- ----- Basin wide percent of average 59* 144 POWDER-TONGUE BEAR TRAP MEADOW 8200 .2 .2 100* 1.9 .9 211 BIG GOOSE 7990 .1 .4 25* 2.3 1.1 209 BONE SPRINGS DIV 9350 2.0 1.5 133* 2.3 1.3 177 BURGESS JUNCTION 7880 .5 .7 71* 2.2 1.2 183 CLOUD PEAK RESERVOIR 9860 .3 .5 60* 2.5 1.4 179 DOME LAKE 8880 1.3 .8 162* 2.4 1.3 185 GRAVE SPRINGS 8550 .0 .3 0* 2.3 1.1 209 HANSEN SAWMILL 8360 .3 .3 100* 2.0 1.0 200 MIDDLE POWDER 7760 .3 .7 43* 2.4 1.4 171 POWDER RIVER PASS 9480 .7 .6 117* 1.8 1.0 180 SUCKER CREEK 8880 1.5 .6 250* 2.3 1.3 177 TIE CREEK 6870 .0 .1 0* 2.6 1.3 200 ----- ----- Basin wide percent of average 107* 189 BELLE FOURCHE BLIND PARK 6890 .0 .1 0* 1.1 1.4 79 COLE CANYON 5910 .0 .1 0* 1.9 -M * NORTH RAPID CREEK 6130 .0 .1 0* 1.2 1.3 92 ----- ----- Basin wide percent of average 0* 85 UPPER N. PLATTE RIVER COLUMBINE 9160 .1 .1 100* 2.5 1.3 192 DIVIDE PEAK 8860 .3 .8 37* 3.2 1.4 229 ELK RIVER 8700 .0 .2 0* 2.2 1.2 183 JOE WRIGHT 10120 .5 1.0 50* 2.3 1.8 128 NORTH FRENCH CREEK 10130 .1 1.6 6* 1.9 1.8 106 OLD BATTLE 9920 1.8 1.3 138* 3.7 1.9 195 SAGE CREEK BASIN 7850 .1 .4 25* 1.7 .8 212 SOUTH BRUSH CREEK 8440 .1 .3 33* 2.1 1.4 150 TOWER 10500 .8 1.3 62* 3.6 2.1 171 WEBBER SPRINGS 9250 .9 .7 129* 3.8 1.7 224 WILLOW CREEK PASS 9540 .7 .4 175* 1.7 1.1 155 ----- ----- Basin wide percent of average 67* 174 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .2 1.1 18* .8 1.3 62 CASPER MTN. 7850 .3 .7 43* 1.8 1.3 138 DEADMAN HILL 10220 .9 1.1 82* 2.0 1.3 154 DEER PARK 9700 .3 1.0 30* 1.2 1.3 92 LAPRELE CREEK 8375 .0 .4 0* 1.0 1.0 100 RENO HILL 8500 .7 .8 87* 2.2 1.3 169 ROACH 9700 -M .4 * -M 1.2 * SAND LAKE 10050 1.7 1.5 113* 2.5 1.7 147 SOUTH PASS 9040 .1 .5 20* 1.6 1.1 145 WINDY PEAK 7900 .1 .2 50* 1.4 .9 156 ----- ----- Basin wide percent of average 59* 129 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .1 0* 1.8 1.0 180 DIVIDE PEAK 8860 .3 .8 37* 3.2 1.4 229 OLD BATTLE 9920 1.8 1.3 138* 3.7 1.9 195 SANDSTONE RS 8150 .0 .2 0* 1.7 1.2 142 WHISKEY PARK 8950 .4 .7 57* 2.4 1.5 160 ----- ----- Basin wide percent of average 81* 183 UPPER GREEN RIVER BIG SANDY OPENING 9080 .7 .5 140* 1.3 1.0 130 BLIND BULL SUM 8900 .1 .6 17* .8 1.2 67 EAST RIM DIVIDE 7930 .1 .1 100* .4 .7 57 ELKHART PARK G.S. 9400 .2 .3 67* .9 1.0 90 GROS VENTRE SUMMIT 8750 .9 .7 129* 1.2 1.0 120 KENDALL R.S. 7740 .1 .1 100* .8 .8 100 LOOMIS PARK 8240 .1 .3 33* .4 1.0 40 NEW FORK LAKE 8340 .0 .1 0* .7 .8 87 SNIDER BASIN 8060 .1 .2 50* .5 .9 56 SPRING CREEK DIVIDE 9000 .0 .5 0* .5 1.4 36 TRIPLE PEAK 8500 .2 .3 67* .8 1.2 67 ----- ----- Basin wide percent of average 68* 75 LOWER GREEN RIVER HAMS FORK 7840 .1 .1 100* .7 .8 87 HEWINTA 9500 .0 .5 0* .8 1.3 62 HICKERSON PARK 9100 .2 .1 200* .7 .9 78 HOLE-IN-ROCK 9150 .0 .1 0* .8 .9 89 INDIAN CREEK 9425 .4 .5 80* 1.0 1.4 71 KELLEY R.S. 8180 .1 .3 33* .9 1.1 82 STEEL CREEK PARK 10100 .0 .9 0* 1.0 1.2 83 ----- ----- Basin wide percent of average 32* 78 UPPER BEAR RIVER BUG LAKE 7950 .0 .6 0* .7 1.2 58 HAYDEN FORK 9100 .0 .5 0* .5 1.3 38 KELLEY R.S. 8180 .1 .3 33* .9 1.1 82 LILY LAKE 9050 .0 .5 0* .5 1.3 38 MONTE CRISTO 8960 .2 .8 25* .9 1.5 60 SALT RIVER SUMMIT 7600 .0 .0 100* .9 1.0 90 TRIAL LAKE 9960 .0 .9 0* .4 1.5 27 ----- ----- Basin wide percent of average 8* 54 ----------------------------------------------------------------------------- -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.