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 FRIDAY: OCTOBER 17 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .2 .1 200* 1.5 1.0 150 COTTONWOOD CREEK 7600 .1 .1 100* 1.8 1.1 164 GRANITE CREEK 6770 .2 .1 200* .5 1.2 42 GRASSY LAKE 7265 .2 .1 200* 2.4 1.7 141 GROS VENTRE SUMMIT 8775 .9 .1 900* .9 .8 112 LEWIS LAKE DIVIDE 7860 .2 .2 100* 1.7 1.8 94 PHILLIPS BENCH 8200 .4 .1 400* 1.2 1.3 92 SALT RIVER SUMMIT 7600 .1 .0 * 2.3 .9 256 SNAKE RIVER STATION 6920 .1 .1 100* 1.1 1.2 92 SPRING CREEK DIVIDE 9000 .3 .2 150* .8 1.1 73 THUMB DIVIDE 7980 .2 .1 200* 1.4 1.0 140 TOGWOTEE PASS 9580 1.3 1.2 108* 1.4 1.3 108 TWO OCEAN PLATEAU 9360 1.5 1.6 94* 2.2 1.4 157 WILLOW CREEK 8450 .2 .1 200* 2.8 1.4 200 ----- ----- Basin wide percent of average 141* 128 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.2 1.7 71* 1.4 1.0 140 BLACK BEAR 7950 1.7 1.4 121* 2.4 1.8 133 CANYON 7940 .8 .3 267* 1.9 .9 211 FISHER CREEK 9100 2.0 1.1 182* 2.1 1.5 140 MADISON PLATEAU 7750 .7 .6 117* 1.8 1.3 138 NORTHEAST ENTRANCE 7350 .0 .0 100* 1.7 .8 212 PARKER PEAK 9400 1.5 1.9 79* 2.1 1.1 191 SYLVAN LAKE 8420 1.5 1.3 115* 3.3 1.3 254 THUMB DIVIDE 7980 .2 .1 200* 1.4 1.0 140 TWO OCEAN PLATEAU 9360 1.5 1.6 94* 2.2 1.4 157 WHISKEY CREEK 6800 .0 .3 0* 1.5 1.1 136 WHITE MILL 8700 1.4 .9 156* 2.0 1.4 143 WOLVERINE 7650 .0 .1 0* 1.6 .8 200 ----- ----- Basin wide percent of average 111* 165 WIND RIVER BURROUGHS CREEK 8750 .4 .4 100* .7 .8 88 COLD SPRINGS 9630 .1 .4 25* .5 1.0 50 DEER PARK 9700 .0 -M * .0 -M * HOBBS PARK 10100 .4 1.0 40* .5 1.0 50 LITTLE WARM 9620 .0 .5 0* 1.3 .9 144 SOUTH PASS 9040 .3 1.5 20* 1.2 1.1 109 ST. LAWRENCE ALT 8620 .2 .4 50* .6 .9 67 TOGWOTEE PASS 9580 1.3 1.2 108* 1.4 1.3 108 TOWNSEND CREEK 8700 .1 .4 25* .9 1.0 90 ----- ----- Basin wide percent of average 48* 89 BIGHORN BASIN BALD MTN. 9375 2.3 1.5 153* 2.2 1.2 183 BEAR TRAP MEADOW 7900 .1 .3 33* 1.0 .8 125 BLACKWATER 9780 1.2 1.4 86* 1.5 1.2 125 BONE SPRINGS DIV 9350 1.5 1.8 83* 2.0 1.1 182 EVENING STAR 9200 1.1 1.9 58* 2.3 1.5 153 GRAVE SPRINGS 8550 .2 -M * .9 1.0 90 KIRWIN 9550 .8 .8 100* 1.0 .8 125 LOST CREEK 8080 -M .7 * -M 1.0 * MARQUETTE 8760 1.2 .6 200* 1.7 .9 189 MIDDLE POWDER 7760 .5 .7 71* 1.2 1.1 109 OWL CREEK 8975 .6 .4 150* .9 .5 180 POWDER RIVER PASS 9480 .1 .6 17* 1.1 1.0 110 SHELL CREEK 9580 1.3 1.6 81* 1.1 1.0 110 SYLVAN LAKE 8420 1.5 1.3 115* 3.3 1.3 254 SYLVAN ROAD 8120 .0 .7 0* 1.7 1.1 155 TIMBER CREEK 7950 .8 .1 800* 1.4 .7 200 YOUNTS PEAK 8350 .4 1.2 33* .7 1.0 70 ----- ----- Basin wide percent of average 90* 148 SHOSHONE RIVER BLACKWATER 9780 1.2 1.4 86* 1.5 1.2 125 EVENING STAR 9200 1.1 1.9 58* 2.3 1.5 153 KIRWIN 9550 .8 .8 100* 1.0 .8 125 MARQUETTE 8760 1.2 .6 200* 1.7 .9 189 SYLVAN LAKE 8420 1.5 1.3 115* 3.3 1.3 254 SYLVAN ROAD 8120 .0 .7 0* 1.7 1.1 155 YOUNTS PEAK 8350 .4 1.2 33* .7 1.0 70 ----- ----- Basin wide percent of average 78* 156 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .3 33* 1.0 .8 125 BONE SPRINGS DIV 9350 1.5 1.8 83* 2.0 1.1 182 BURGESS JUNCTION 7880 .4 .8 50* 1.4 1.0 140 CLOUD PEAK RESERVOIR 9860 .0 .7 0* 1.8 1.1 164 DOME LAKE 8880 .6 1.0 60* 1.4 1.2 117 GRAVE SPRINGS 8550 .2 -M * .9 1.0 90 HANSEN SAWMILL 8760 .1 .4 25* .8 .8 100 LOST CREEK 8080 -M .7 * -M 1.0 * MIDDLE POWDER 7760 .5 .7 71* 1.2 1.1 109 POWDER RIVER PASS 9480 .1 .6 17* 1.1 1.0 110 SUCKER CREEK 8880 .6 .7 86* 1.9 1.1 173 TIE CREEK 6870 .0 -M * 1.3 1.0 130 ----- ----- Basin wide percent of average 56* 132 BELLE FOURCHE BLIND PARK 6890 .1 .9 11* 1.2 .9 133 NORTH RAPID CREEK 6130 .2 -M * .9 -M * WARREN PEAK 6520 .1 .9 11* 1.5 .7 214 ----- ----- Basin wide percent of average 11* 169 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .6 0* 2.2 1.3 169 DIVIDE PEAK 8800 .4 .8 50* 1.8 1.6 112 ELK RIVER 8700 .0 .0 100* 1.8 1.2 150 JOE WRIGHT 10120 1.3 1.3 100* 2.9 1.8 161 NORTH FRENCH CREEK 10100 .8 .8 100* 2.2 1.2 183 OLD BATTLE 10000 1.3 2.0 65* 3.2 1.7 188 SOUTH BRUSH CREEK 8400 .1 .1 100* 1.3 1.2 108 TOWER 10500 1.8 2.6 69* 16.3 2.1 776 WEBBER SPRINGS 9200 .1 .7 14* 2.3 1.5 153 WILLOW CREEK PASS 9540 .8 .3 267* 1.5 .9 167 ----- ----- Basin wide percent of average 72* 245 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .1 1.0 10* .8 1.2 67 CASPER MTN. 7900 .4 .5 80* 1.2 1.3 92 DEADMAN HILL 10220 .6 .5 120* .8 1.2 67 DEER PARK 9700 .0 -M * .0 -M * LAPRELE CREEK 8320 .2 .2 100* 1.0 .8 125 RENO HILL 8400 .8 .7 114* 1.2 1.3 92 ROACH 9700 .0 .5 0* 1.1 1.4 79 SAND LAKE 10080 1.3 1.2 108* 1.8 1.3 138 SOUTH PASS 9040 .3 1.5 20* 1.2 1.1 109 WINDY PEAK 7840 .0 .0 100* .8 .6 133 ----- ----- Basin wide percent of average 61* 97 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 2.3 .9 256 DIVIDE PEAK 8800 .4 .8 50* 1.8 1.6 112 OLD BATTLE 10000 1.3 2.0 65* 3.2 1.7 188 SANDSTONE RS 8150 .0 .1 0* 2.2 .9 244 WHISKEY PARK 8950 .4 .8 50* 2.5 1.0 250 ----- ----- Basin wide percent of average 57* 197 UPPER GREEN RIVER BIG SANDY OPENING 9100 .9 .1 900* 1.2 .8 150 BLIND BULL SUM 8650 .5 .3 167* 1.0 1.0 100 EAST RIM DIVIDE 7930 .0 .0 100* .3 .8 38 ELKHART PARK G.S. 9400 .9 .1 900* 1.3 .8 162 GROS VENTRE SUMMIT 8775 .9 .1 900* .9 .8 112 KENDALL R.S. 7740 .1 .0 * .7 .8 88 LOOMIS PARK 8240 .0 .1 0* .5 .9 56 NEW FORK LAKE 8340 .0 .0 100* .9 .7 129 SNIDER BASIN 8250 .0 .0 100* .3 .8 38 SPRING CREEK DIVIDE 9000 .3 .2 150* .8 1.1 73 TRIPLE PEAK 8500 .1 .1 100* .9 1.4 64 ----- ----- Basin wide percent of average 360* 89 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* .4 .7 57 HEWINTA 9500 .0 .1 0* 1.9 1.2 158 HICKERSON PARK 9150 .0 .0 100* 1.5 1.1 136 HOLE-IN-ROCK 9150 .0 .0 100* 1.5 1.1 136 INDIAN CREEK 9425 .7 .2 350* .8 1.2 67 KELLEY R.S. 8180 .1 .1 100* .7 .9 78 STEEL CREEK PARK 10100 1.2 .9 133* 2.2 1.2 183 ----- ----- Basin wide percent of average 154* 122 UPPER BEAR RIVER BUG LAKE 7950 .1 .7 14* 1.2 1.7 71 HAYDEN FORK 9400 .0 .4 0* 1.6 1.3 123 KELLEY R.S. 8180 .1 .1 100* .7 .9 78 LILY LAKE 9050 .0 .5 0* 1.6 1.4 114 MONTE CRISTO 8960 .0 .8 0* 1.6 1.8 89 SALT RIVER SUMMIT 7600 .1 .0 * 2.3 .9 256 TRIAL LAKE 9960 .3 .8 38* 1.3 1.5 87 ----- ----- Basin wide percent of average 15* 108 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. 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 1961-90. 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.