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 WEDNESDAY: OCTOBER 18 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .2 0* 1.8 1.2 150 COTTONWOOD CREEK 7600 .0 .3 0* 1.6 1.7 94 GRANITE CREEK 6770 .0 .2 0* 2.1 1.0 210 GRASSY LAKE 7265 .7 .5 140* 4.2 1.9 221 GROS VENTRE SUMMIT 8750 .8 .7 114* 1.9 1.0 190 LEWIS LAKE DIVIDE 7850 .6 .3 200* 3.1 1.8 172 PHILLIPS BENCH 8200 .0 .4 0* 2.4 1.4 171 SALT RIVER SUMMIT 7600 .0 .1 0* 1.4 1.1 127 SNAKE RIVER STATION 6920 .2 .1 200* 3.3 1.3 254 SPRING CREEK DIVIDE 9000 .1 .5 20* 1.3 1.5 87 THUMB DIVIDE 7980 .0 .2 0* 1.6 1.2 133 TOGWOTEE PASS 9580 1.6 1.3 123* 2.2 1.6 138 TWO OCEAN PLATEAU 9240 .5 1.6 31* 2.0 1.8 111 WILLOW CREEK 8450 .1 .7 14* 2.1 2.1 100 ----- ----- Basin wide percent of average 65* 150 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.0 1.5 67* 1.4 1.2 117 BLACK BEAR 8170 1.2 1.2 100* 4.2 2.0 210 CANYON 8090 .5 .3 167* 2.4 1.0 240 FISHER CREEK 9100 -M 1.3 * -M 1.9 * MADISON PLATEAU 7750 .3 .6 50* 2.4 1.4 171 NORTHEAST ENTRANCE 7350 .0 .1 0* 2.6 .9 289 PARKER PEAK 9400 .7 1.4 50* 2.1 1.3 162 SYLVAN LAKE 8420 .2 1.1 18* 3.2 1.5 213 THUMB DIVIDE 7980 .0 .2 0* 1.6 1.2 133 TWO OCEAN PLATEAU 9240 .5 1.6 31* 2.0 1.8 111 WHISKEY CREEK 6800 .2 .2 100* -M 1.3 * WHITE MILL 8700 1.2 .9 133* 2.7 1.5 180 WOLVERINE 7650 .1 .2 50* 1.2 1.0 120 ----- ----- Basin wide percent of average 63* 174 WIND RIVER BURROUGHS CREEK 8750 1.1 .4 275* 1.8 .9 200 COLD SPRINGS 9630 .0 .4 0* .7 1.1 64 DEER PARK 9700 .5 1.1 45* 1.5 1.4 107 HOBBS PARK 10100 .3 1.0 30* .4 1.2 33 LITTLE WARM 9370 .4 .5 80* .5 1.0 50 SOUTH PASS 9040 .1 .6 17* 1.6 1.2 133 ST. LAWRENCE ALT 8620 .0 .2 0* .7 1.0 70 TOGWOTEE PASS 9580 1.6 1.3 123* 2.2 1.6 138 TOWNSEND CREEK 8700 .4 .4 100* 1.6 1.2 133 ----- ----- Basin wide percent of average 75* 104 BIGHORN BASIN BALD MTN. 9380 2.9 1.7 171* 1.8 1.4 129 BEAR TRAP MEADOW 8200 .0 .3 0* .5 1.0 50 BLACKWATER 9780 .8 1.8 44* 1.6 1.5 107 BONE SPRINGS DIV 9350 2.8 1.5 187* 1.5 1.4 107 EVENING STAR 9200 .9 1.5 60* 1.8 1.6 112 GRAVE SPRINGS 8550 .1 .4 25* .6 1.2 50 KIRWIN 9550 .8 1.0 80* 1.1 1.0 110 MARQUETTE 8760 .0 1.1 0* .7 1.3 54 MIDDLE POWDER 7760 .4 .7 57* .8 1.5 53 OWL CREEK 8975 .9 .4 225* 1.4 .7 200 POWDER RIVER PASS 9480 .3 .6 50* .8 1.1 73 SHELL CREEK 9580 3.0 1.8 167 1.4 1.2 117 SYLVAN LAKE 8420 .2 1.1 18* 3.2 1.5 213 SYLVAN ROAD 7120 .2 .2 100* 2.1 1.2 175 TIMBER CREEK 7950 -M .3 * 1.2 .9 133 YOUNTS PEAK 8350 .2 .7 29* 1.3 1.0 130 ----- ----- Basin wide percent of average 91* 112 SHOSHONE RIVER BLACKWATER 9780 .8 1.8 44* 1.6 1.5 107 EVENING STAR 9200 .9 1.5 60* 1.8 1.6 112 KIRWIN 9550 .8 1.0 80* 1.1 1.0 110 MARQUETTE 8760 .0 1.1 0* .7 1.3 54 SYLVAN LAKE 8420 .2 1.1 18* 3.2 1.5 213 SYLVAN ROAD 7120 .2 .2 100* 2.1 1.2 175 YOUNTS PEAK 8350 .2 .7 29* 1.3 1.0 130 ----- ----- Basin wide percent of average 42* 130 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .3 0* .5 1.0 50 BIG GOOSE 7990 -M .4 * -M 1.2 * BONE SPRINGS DIV 9350 2.8 1.5 187* 1.5 1.4 107 BURGESS JUNCTION 7880 .1 .8 12* 1.3 1.3 100 CLOUD PEAK RESERVOIR 9860 .4 .6 67* .7 1.5 47 DOME LAKE 8880 .1 .9 11* 1.0 1.4 71 GRAVE SPRINGS 8550 .1 .4 25* .6 1.2 50 HANSEN SAWMILL 8360 .3 .3 100* .2 1.0 20 MIDDLE POWDER 7760 .4 .7 57* .8 1.5 53 POWDER RIVER PASS 9480 .3 .6 50* .8 1.1 73 SUCKER CREEK 8880 .7 .7 100* 1.2 1.4 86 TIE CREEK 6870 .0 .2 0* 1.6 1.4 114 ----- ----- Basin wide percent of average 74* 72 BELLE FOURCHE BLIND PARK 6890 -M .1 * .6 1.5 40 COLE CANYON 5910 .0 .2 0* .8 -M * NORTH RAPID CREEK 6130 -M .2 * .3 1.4 21 ----- ----- Basin wide percent of average 0* 31 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .2 0* 2.0 1.4 143 DIVIDE PEAK 8860 1.4 .9 156* 2.9 1.5 193 ELK RIVER 8700 .6 .2 300* 2.0 1.3 154 JOE WRIGHT 10120 .6 1.1 55* 1.5 1.9 79 NORTH FRENCH CREEK 10130 .6 1.7 35* 1.8 1.9 95 OLD BATTLE 9920 2.0 1.5 133* 3.0 2.0 150 SAGE CREEK BASIN 7850 1.3 .4 325* 1.9 .9 211 SOUTH BRUSH CREEK 8440 .2 .3 67* .8 1.5 53 TOWER 10500 1.6 1.5 107* 3.4 2.2 155 WEBBER SPRINGS 9250 1.0 .8 125* 3.1 1.8 172 WILLOW CREEK PASS 9540 .5 .5 100* .6 1.2 50 ----- ----- Basin wide percent of average 108* 131 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .7 1.1 64* 1.6 1.4 114 CASPER MTN. 7850 .3 .8 37* .7 1.4 50 DEADMAN HILL 10220 1.0 1.1 91* 1.1 1.4 79 DEER PARK 9700 .5 1.1 45* 1.5 1.4 107 LAPRELE CREEK 8375 .0 .4 0* .4 1.1 36 RENO HILL 8500 .4 .9 44* 1.1 1.4 79 ROACH 9700 1.1 .5 220* 1.7 1.3 131 SAND LAKE 10050 .7 1.7 41* 1.5 1.8 83 SOUTH PASS 9040 .1 .6 17* 1.6 1.2 133 WINDY PEAK 7900 .2 .2 100* .6 1.0 60 ----- ----- Basin wide percent of average 60* 88 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .2 .1 200* 1.8 1.1 164 DIVIDE PEAK 8860 1.4 .9 156* 2.9 1.5 193 OLD BATTLE 9920 2.0 1.5 133* 3.0 2.0 150 SANDSTONE RS 8150 .1 .2 50* 1.8 1.3 138 WHISKEY PARK 8950 .9 .7 129* 2.6 1.6 162 ----- ----- Basin wide percent of average 135* 161 UPPER GREEN RIVER BIG SANDY OPENING 9080 .4 .6 67* 1.3 1.0 130 BLIND BULL SUM 8900 .3 .6 50* 1.5 1.3 115 EAST RIM DIVIDE 7930 .0 .1 0* 1.4 .8 175 ELKHART PARK G.S. 9400 .0 .3 0* 1.6 1.1 145 GROS VENTRE SUMMIT 8750 .8 .7 114* 1.9 1.0 190 KENDALL R.S. 7740 -M .1 * -M .9 * LOOMIS PARK 8240 .0 .3 0* 1.7 1.0 170 NEW FORK LAKE 8340 .0 .1 0* .7 .9 78 SNIDER BASIN 8060 .0 .2 0* 1.0 .9 111 SPRING CREEK DIVIDE 9000 .1 .5 20* 1.3 1.5 87 TRIPLE PEAK 8500 .0 .4 0* 1.3 1.3 100 ----- ----- Basin wide percent of average 42* 127 LOWER GREEN RIVER HAMS FORK 7840 .0 .1 0* 1.1 .8 138 HEWINTA 9500 .4 .5 80* 2.3 1.4 164 HICKERSON PARK 9100 .8 .1 800* 1.4 1.0 140 HOLE-IN-ROCK 9150 .3 .1 300* 1.8 .9 200 INDIAN CREEK 9425 .0 .6 0* 1.2 1.5 80 KELLEY R.S. 8180 .0 .3 0* 1.2 1.2 100 STEEL CREEK PARK 10100 1.0 1.0 100* 2.2 1.3 169 ----- ----- Basin wide percent of average 93* 138 UPPER BEAR RIVER BUG LAKE 7950 .7 .6 117* 1.4 1.3 108 HAYDEN FORK 9100 .3 .5 60* 3.5 1.4 250 KELLEY R.S. 8180 .0 .3 0* 1.2 1.2 100 LILY LAKE 9050 .3 .5 60* 2.4 1.4 171 MONTE CRISTO 8960 .1 .9 11* 2.6 1.6 162 SALT RIVER SUMMIT 7600 .0 .1 0* 1.4 1.1 127 TRIAL LAKE 9960 .4 1.0 40* 3.2 1.6 200 ----- ----- Basin wide percent of average 46* 164 ----------------------------------------------------------------------------- -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.