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 14 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .4 .0 * 1.4 .8 175 COTTONWOOD CREEK 7600 .3 .0 * 1.8 .9 200 GRANITE CREEK 6770 .1 .0 * .4 1.0 40 GRASSY LAKE 7265 .5 .0 * 2.4 1.4 171 GROS VENTRE SUMMIT 8775 .3 .0 * .8 .7 114 LEWIS LAKE DIVIDE 7860 .7 .0 * 1.6 1.4 114 PHILLIPS BENCH 8200 .3 .0 * 1.1 1.1 100 SALT RIVER SUMMIT 7600 .2 .0 * 1.6 .7 229 SNAKE RIVER STATION 6920 .1 .0 * 1.1 1.0 110 SPRING CREEK DIVIDE 9000 .2 .0 * .8 .9 89 THUMB DIVIDE 7980 .5 .0 * 1.3 .8 162 TOGWOTEE PASS 9580 1.2 .9 133* 1.3 1.0 130 TWO OCEAN PLATEAU 9360 1.5 1.2 125* 2.1 1.2 175 WILLOW CREEK 8450 .6 .0 * 2.8 1.2 233 ----- ----- Basin wide percent of average 129* 145 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.1 1.4 79* 1.2 .8 150 BLACK BEAR 7950 1.7 1.1 155* 2.4 1.5 160 CANYON 7940 .7 .2 350* 1.9 .8 238 FISHER CREEK 9100 2.1 .9 233* 2.0 1.3 154 MADISON PLATEAU 7750 .7 .5 140* 1.8 1.0 180 NORTHEAST ENTRANCE 7350 .1 .0 * 1.7 .6 283 PARKER PEAK 9400 1.5 1.6 94* 1.9 .9 211 SYLVAN LAKE 8420 1.7 1.1 155* 3.3 1.1 300 THUMB DIVIDE 7980 .5 .0 * 1.3 .8 162 TWO OCEAN PLATEAU 9360 1.5 1.2 125* 2.1 1.2 175 WHISKEY CREEK 6800 .1 .2 50* 1.6 .9 178 WHITE MILL 8700 1.4 .8 175* 1.9 1.1 173 WOLVERINE 7650 .1 .1 100* 1.7 .7 243 ----- ----- Basin wide percent of average 138* 195 WIND RIVER BURROUGHS CREEK 8750 .3 .3 100* .7 .7 100 COLD SPRINGS 9630 .1 .3 33* .5 .8 62 DEER PARK 9700 .0 -M * .0 -M * HOBBS PARK 10100 .4 .8 50* .4 .8 50 LITTLE WARM 9620 .3 .4 75* 1.2 .8 150 SOUTH PASS 9040 .5 1.2 42* 1.2 .9 133 ST. LAWRENCE ALT 8620 .2 .3 67* .6 .7 86 TOGWOTEE PASS 9580 1.2 .9 133* 1.3 1.0 130 TOWNSEND CREEK 8700 .2 .3 67* .9 .8 112 ----- ----- Basin wide percent of average 71* 105 BIGHORN BASIN BALD MTN. 9375 2.1 1.3 162* 2.0 1.0 200 BEAR TRAP MEADOW 7900 .1 .2 50* .6 .7 86 BLACKWATER 9780 .8 1.3 62* 1.3 1.0 130 BONE SPRINGS DIV 9350 1.3 1.6 81* 1.8 .9 200 EVENING STAR 9200 1.1 1.6 69* 2.3 1.2 192 GRAVE SPRINGS 8550 .3 -M * .9 .8 112 KIRWIN 9550 .5 .7 71* .9 .7 129 LOST CREEK 8080 -M .6 * -M .8 * MARQUETTE 8760 1.0 .5 200* 1.4 .8 175 MIDDLE POWDER 7760 .7 .6 117* 1.2 .9 133 OWL CREEK 8975 .5 .4 125* .6 .4 150 POWDER RIVER PASS 9480 .3 .5 60* .8 .8 100 SHELL CREEK 9580 1.2 1.4 86* 1.1 .8 138 SYLVAN LAKE 8420 1.7 1.1 155* 3.3 1.1 300 SYLVAN ROAD 8120 .1 .6 17* 1.7 .9 189 TIMBER CREEK 7950 -M .1 * 1.5 .5 300 YOUNTS PEAK 8350 .3 1.0 30* .7 .8 88 ----- ----- Basin wide percent of average 91* 166 SHOSHONE RIVER BLACKWATER 9780 .8 1.3 62* 1.3 1.0 130 EVENING STAR 9200 1.1 1.6 69* 2.3 1.2 192 KIRWIN 9550 .5 .7 71* .9 .7 129 MARQUETTE 8760 1.0 .5 200* 1.4 .8 175 SYLVAN LAKE 8420 1.7 1.1 155* 3.3 1.1 300 SYLVAN ROAD 8120 .1 .6 17* 1.7 .9 189 YOUNTS PEAK 8350 .3 1.0 30* .7 .8 88 ----- ----- Basin wide percent of average 81* 178 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .2 50* .6 .7 86 BONE SPRINGS DIV 9350 1.3 1.6 81* 1.8 .9 200 BURGESS JUNCTION 7880 .5 .7 71* 1.3 .8 162 CLOUD PEAK RESERVOIR 9860 .3 .6 50* 2.1 .9 233 DOME LAKE 8880 .5 .9 56* 1.4 1.0 140 GRAVE SPRINGS 8550 .3 -M * .9 .8 112 HANSEN SAWMILL 8760 .1 .3 33* .9 .7 129 LOST CREEK 8080 -M .6 * -M .8 * MIDDLE POWDER 7760 .7 .6 117* 1.2 .9 133 POWDER RIVER PASS 9480 .3 .5 60* .8 .8 100 SUCKER CREEK 8880 .7 .6 117* 1.6 .9 178 TIE CREEK 6870 .3 -M * 1.3 .8 162 ----- ----- Basin wide percent of average 75* 151 BELLE FOURCHE BLIND PARK 6890 .4 .8 50* 1.1 .8 138 NORTH RAPID CREEK 6130 .3 -M * .7 -M * WARREN PEAK 6520 .5 .8 62* 1.5 .6 250 ----- ----- Basin wide percent of average 56* 186 UPPER N. PLATTE RIVER COLUMBINE 9400 .5 .5 100* 2.0 1.0 200 DIVIDE PEAK 8800 .4 .6 67* 1.6 1.3 123 ELK RIVER 8700 .0 .0 100* 1.8 1.0 180 JOE WRIGHT 10120 .9 1.0 90* 4.4 1.5 293 NORTH FRENCH CREEK 10100 1.1 .6 183* 2.2 1.0 220 OLD BATTLE 10000 1.3 1.7 76* 2.8 1.3 215 SOUTH BRUSH CREEK 8400 .4 .1 400* 1.3 1.0 130 TOWER 10500 -M 2.0 * -M 1.7 * WEBBER SPRINGS 9200 .4 .5 80* 2.2 1.3 169 WILLOW CREEK PASS 9540 .8 .2 400* 1.1 .8 138 ----- ----- Basin wide percent of average 112* 190 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .9 0* .7 1.0 70 CASPER MTN. 7900 .6 .4 150* 1.1 1.0 110 DEADMAN HILL 10220 .6 .4 150* .7 1.0 70 DEER PARK 9700 .0 -M * .0 -M * LAPRELE CREEK 8320 .4 .1 400* .9 .6 150 RENO HILL 8400 .8 .6 133* 1.2 1.0 120 ROACH 9700 .2 .4 50* 1.1 1.1 100 SAND LAKE 10080 1.3 .8 162* 1.8 1.1 164 SOUTH PASS 9040 .5 1.2 42* 1.2 .9 133 WINDY PEAK 7840 .1 .0 * .9 .5 180 ----- ----- Basin wide percent of average 92* 117 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * 2.3 .8 288 DIVIDE PEAK 8800 .4 .6 67* 1.6 1.3 123 OLD BATTLE 10000 1.3 1.7 76* 2.8 1.3 215 SANDSTONE RS 8150 .0 .0 100* 2.2 .7 314 WHISKEY PARK 8950 .6 .6 100* 2.4 .8 300 ----- ----- Basin wide percent of average 79* 231 UPPER GREEN RIVER BIG SANDY OPENING 9100 .8 .0 * 1.0 .7 143 BLIND BULL SUM 8650 .3 .0 * 1.0 .8 125 EAST RIM DIVIDE 7930 .0 .0 100* .2 .6 33 ELKHART PARK G.S. 9400 .7 .0 * 1.2 .7 171 GROS VENTRE SUMMIT 8775 .3 .0 * .8 .7 114 KENDALL R.S. 7740 .0 .0 100* .6 .6 100 LOOMIS PARK 8240 .1 .0 * .5 .8 62 NEW FORK LAKE 8340 .2 .0 * .7 .6 117 SNIDER BASIN 8250 .2 .0 * .3 .6 50 SPRING CREEK DIVIDE 9000 .2 .0 * .8 .9 89 TRIPLE PEAK 8500 .1 .0 * .9 1.2 75 ----- ----- Basin wide percent of average * 98 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * .4 .5 80 HEWINTA 9500 -M .1 * 2.0 1.0 200 HICKERSON PARK 9150 .0 .0 100* 1.4 .9 156 HOLE-IN-ROCK 9150 .0 .0 100* 1.5 .9 167 INDIAN CREEK 9425 .6 .0 * .6 1.0 60 KELLEY R.S. 8180 .2 .0 * .6 .8 75 STEEL CREEK PARK 10100 1.0 .8 125* 1.6 1.0 160 ----- ----- Basin wide percent of average 125* 133 UPPER BEAR RIVER BUG LAKE 7950 .2 .6 33* 1.2 1.4 86 HAYDEN FORK 9400 .0 .3 0* 1.6 1.0 160 KELLEY R.S. 8180 .2 .0 * .6 .8 75 LILY LAKE 9050 .6 .4 150* 1.6 1.1 145 MONTE CRISTO 8960 .8 .7 114* 1.6 1.5 107 SALT RIVER SUMMIT 7600 .2 .0 * 1.6 .7 229 TRIAL LAKE 9960 .8 .7 114* 1.5 1.2 125 ----- ----- Basin wide percent of average 89* 126 ----------------------------------------------------------------------------- -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.