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 TUESDAY: OCTOBER 16 , 2007 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .1 .1 100* 1.7 1.0 170 COTTONWOOD CREEK 7600 .0 .2 0* 1.7 1.5 113 GRANITE CREEK 6770 .0 .1 0* 1.3 .9 144 GRASSY LAKE 7265 .0 .4 0* 1.5 1.7 88 GROS VENTRE SUMMIT 8750 .7 .6 117* 1.8 .9 200 LEWIS LAKE DIVIDE 7850 .0 .2 0* 1.0 1.6 62 PHILLIPS BENCH 8200 .0 .3 0* 1.4 1.2 117 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 1.0 120 SNAKE RIVER STATION 6920 .0 .0 100* 1.6 1.1 145 SPRING CREEK DIVIDE 9000 .0 .4 0* 1.0 1.3 77 THUMB DIVIDE 7980 .0 .1 0* 1.9 1.0 190 TOGWOTEE PASS 9580 1.5 1.1 136* 2.4 1.4 171 TWO OCEAN PLATEAU 9240 2.1 1.3 162* 2.8 1.5 187 WILLOW CREEK 8450 .0 .5 0* 1.9 1.8 106 ----- ----- Basin wide percent of average 83* 130 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.0 1.4 143* 1.9 1.1 173 BLACK BEAR 8170 .8 .9 89* 2.2 1.7 129 CANYON 8090 .3 .2 150* 1.9 .9 211 FISHER CREEK 9100 2.6 1.1 236* 3.1 1.6 194 MADISON PLATEAU 7750 .5 .5 100* 2.2 1.3 169 NORTHEAST ENTRANCE 7350 -M .1 * -M .8 * PARKER PEAK 9400 1.7 1.3 131* 2.5 1.2 208 SYLVAN LAKE 8420 .0 1.0 0* 2.2 1.3 169 THUMB DIVIDE 7980 .0 .1 0* 1.9 1.0 190 TWO OCEAN PLATEAU 9240 2.1 1.3 162* 2.8 1.5 187 WHISKEY CREEK 6800 .0 .1 0* 2.1 1.1 191 WHITE MILL 8700 1.9 .8 237* 2.3 1.4 164 WOLVERINE 7650 .0 .1 0* 1.4 .9 156 ----- ----- Basin wide percent of average 135* 177 WIND RIVER BURROUGHS CREEK 8750 .0 .3 0* 1.6 .8 200 COLD SPRINGS 9630 .0 .3 0* 1.7 1.0 170 DEER PARK 9700 .9 .9 100* 2.4 1.3 185 HOBBS PARK 10100 .9 .8 112* 2.4 1.1 218 LITTLE WARM 9370 .0 .4 0* 1.5 .9 167 SOUTH PASS 9040 .1 .5 20* 1.6 1.1 145 ST. LAWRENCE ALT 8620 .0 .1 0* 1.1 .9 122 TOGWOTEE PASS 9580 1.5 1.1 136* 2.4 1.4 171 TOWNSEND CREEK 8700 .0 .3 0* 2.0 1.1 182 ----- ----- Basin wide percent of average 72* 174 BIGHORN BASIN BALD MTN. 9380 1.3 1.6 81* 2.1 1.2 175 BEAR TRAP MEADOW 8200 .0 .2 0* .9 .9 100 BLACKWATER 9780 1.9 1.6 119* 2.3 1.4 164 BONE SPRINGS DIV 9350 .0 1.4 0* 2.0 1.3 154 EVENING STAR 9200 1.7 1.3 131* 2.6 1.4 186 GRAVE SPRINGS 8550 .0 .3 0* 1.2 1.1 109 KIRWIN 9550 1.9 .9 211* 2.7 .9 300 MARQUETTE 8760 .0 1.0 0* 1.5 1.2 125 MIDDLE POWDER 7760 .0 .6 0* 1.0 1.3 77 OWL CREEK 8975 .0 .3 0* 1.5 .6 250 POWDER RIVER PASS 9480 .0 .5 0* 1.8 1.0 180 SHELL CREEK 9580 1.7 1.7 100* 2.5 1.0 250 SYLVAN LAKE 8420 .0 1.0 0* 2.2 1.3 169 SYLVAN ROAD 7120 .0 .1 0* 2.0 1.1 182 TIMBER CREEK 7950 .0 .2 0* 2.1 .8 262 YOUNTS PEAK 8350 .9 .6 150* 2.0 .9 222 ----- ----- Basin wide percent of average 71* 175 SHOSHONE RIVER BLACKWATER 9780 1.9 1.6 119* 2.3 1.4 164 EVENING STAR 9200 1.7 1.3 131* 2.6 1.4 186 KIRWIN 9550 1.9 .9 211* 2.7 .9 300 MARQUETTE 8760 .0 1.0 0* 1.5 1.2 125 SYLVAN LAKE 8420 .0 1.0 0* 2.2 1.3 169 SYLVAN ROAD 7120 .0 .1 0* 2.0 1.1 182 YOUNTS PEAK 8350 .9 .6 150* 2.0 .9 222 ----- ----- Basin wide percent of average 98* 187 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .2 0* .9 .9 100 BIG GOOSE 7990 .0 .3 0* 1.7 1.1 155 BONE SPRINGS DIV 9350 .0 1.4 0* 2.0 1.3 154 BURGESS JUNCTION 7880 .0 .7 0* 1.2 1.1 109 CLOUD PEAK RESERVOIR 9860 .9 .5 180* 2.6 1.3 200 DOME LAKE 8880 .2 .8 25* 2.2 1.3 169 GRAVE SPRINGS 8550 .0 .3 0* 1.2 1.1 109 HANSEN SAWMILL 8360 .0 .2 0* 1.7 .9 189 MIDDLE POWDER 7760 .0 .6 0* 1.0 1.3 77 POWDER RIVER PASS 9480 .0 .5 0* 1.8 1.0 180 SUCKER CREEK 8880 .0 .6 0* 1.3 1.2 108 TIE CREEK 6870 .0 .1 0* 1.2 1.3 92 ----- ----- Basin wide percent of average 18* 136 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* .7 1.3 54 COLE CANYON 5910 .0 .1 0* .6 -M * NORTH RAPID CREEK 6130 .0 .1 0* .7 1.3 54 ----- ----- Basin wide percent of average 0* 54 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .1 0* 1.9 1.2 158 DIVIDE PEAK 8860 -M .8 * -M 1.4 * ELK RIVER 8700 .0 .1 0* 1.6 1.1 145 JOE WRIGHT 10120 1.3 .9 144* 3.2 1.7 188 NORTH FRENCH CREEK 10130 .3 1.5 20* 1.7 1.7 100 OLD BATTLE 9920 .8 1.2 67* 2.4 1.8 133 SAGE CREEK BASIN 7850 .0 .3 0* 1.4 .8 175 SOUTH BRUSH CREEK 8440 .1 .2 50* 1.3 1.3 100 TOWER 10500 .3 1.2 25* 2.3 2.0 115 WEBBER SPRINGS 9250 .4 .6 67* 2.0 1.5 133 WILLOW CREEK PASS 9540 .9 .4 225* 1.6 1.0 160 ----- ----- Basin wide percent of average 63* 138 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .1 1.0 10* 1.2 1.3 92 CASPER MTN. 7850 .0 .7 0* 1.4 1.3 108 DEADMAN HILL 10220 1.7 1.0 170* 2.1 1.3 162 DEER PARK 9700 .9 .9 100* 2.4 1.3 185 LAPRELE CREEK 8375 .0 .3 0* .8 1.0 80 RENO HILL 8500 .1 .8 12* 1.3 1.3 100 ROACH 9700 1.1 .4 275* 2.1 1.2 175 SAND LAKE 10050 1.5 1.4 107* 2.2 1.5 147 SOUTH PASS 9040 .1 .5 20* 1.6 1.1 145 WINDY PEAK 7900 .0 .1 0* .7 .9 78 ----- ----- Basin wide percent of average 77* 130 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* .9 1.0 90 DIVIDE PEAK 8860 -M .8 * -M 1.4 * OLD BATTLE 9920 .8 1.2 67* 2.4 1.8 133 SANDSTONE RS 8150 .0 .1 0* .9 1.2 75 WHISKEY PARK 8950 .0 .6 0* 1.6 1.5 107 ----- ----- Basin wide percent of average 42* 105 UPPER GREEN RIVER BIG SANDY OPENING 9080 .1 .5 20* 1.2 .9 133 BLIND BULL SUM 8900 .0 .5 0* .9 1.1 82 EAST RIM DIVIDE 7930 .0 .0 100* 1.1 .7 157 ELKHART PARK G.S. 9400 .0 .2 0* 1.3 1.0 130 GROS VENTRE SUMMIT 8750 .7 .6 117* 1.8 .9 200 KENDALL R.S. 7740 .0 .0 100* 1.0 .8 125 LOOMIS PARK 8240 .0 .2 0* 1.0 .9 111 NEW FORK LAKE 8340 .0 .0 100* 1.1 .8 138 SNIDER BASIN 8060 .0 .1 0* .5 .8 62 SPRING CREEK DIVIDE 9000 .0 .4 0* 1.0 1.3 77 TRIPLE PEAK 8500 .1 .3 33* 1.0 1.1 91 ----- ----- Basin wide percent of average 32* 116 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* .8 .7 114 HEWINTA 9500 .0 .4 0* 3.1 1.2 258 HICKERSON PARK 9100 -M .0 * -M .9 * HOLE-IN-ROCK 9150 .0 .0 100* 2.8 .8 350 INDIAN CREEK 9425 .1 .5 20* 1.2 1.3 92 KELLEY R.S. 8180 .0 .2 0* 1.5 1.1 136 STEEL CREEK PARK 10100 1.1 .9 122* 3.1 1.2 258 ----- ----- Basin wide percent of average 60* 198 UPPER BEAR RIVER BUG LAKE 7950 .1 .5 20* .5 1.2 42 HAYDEN FORK 9100 .1 .4 25* 1.5 1.2 125 KELLEY R.S. 8180 .0 .2 0* 1.5 1.1 136 LILY LAKE 9050 .0 .4 0* 2.1 1.2 175 MONTE CRISTO 8960 .1 .8 12* 1.5 1.4 107 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 1.0 120 TRIAL LAKE 9960 .1 .9 11* 1.0 1.4 71 ----- ----- Basin wide percent of average 13* 109 ----------------------------------------------------------------------------- -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.