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 SATURDAY: OCTOBER 3 , 1998 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 100* .0 .1 0 COTTONWOOD CREEK 7600 .0 .0 100* .9 .1 900 GRANITE CREEK 6770 .0 .0 100* .0 .1 0 GRASSY LAKE 7265 .0 .0 100* .1 .2 50 GROS VENTRE SUMMIT 8775 .0 .0 100* .1 .1 100 LEWIS LAKE DIVIDE 7860 .0 .0 100* .1 .2 50 PHILLIPS BENCH 8200 .0 .0 100* .1 .2 50 SALT RIVER SUMMIT 7600 .1 .0 * .4 .1 400 SNAKE RIVER STATION 6920 .1 .0 * .2 .1 200 SPRING CREEK DIVIDE 9000 .1 .0 * .6 .1 600 THUMB DIVIDE 7980 .1 .0 * .0 .1 0 TOGWOTEE PASS 9580 .1 .1 100* .1 .2 50 TWO OCEAN PLATEAU 9360 .2 .2 100* .4 .2 200 WILLOW CREEK 8450 .0 .0 100* .7 .2 350 ----- ----- Basin wide percent of average 100* 185 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .0 .7 0* .2 .1 200 BLACK BEAR 7950 .0 .5 0* .2 .2 100 CANYON 7940 .0 .1 0* .1 .1 100 FISHER CREEK 9100 .1 .5 20* .4 .2 200 MADISON PLATEAU 7750 .0 .2 0* .1 .2 50 NORTHEAST ENTRANCE 7350 .0 .0 100* .2 .1 200 PARKER PEAK 9400 .0 .9 0* .8 .1 800 SYLVAN LAKE 8420 .0 .8 0* .4 .2 200 THUMB DIVIDE 7980 .1 .0 * .0 .1 0 TWO OCEAN PLATEAU 9360 .2 .2 100* .4 .2 200 WHISKEY CREEK 6800 .1 .0 * .0 .1 0 WHITE MILL 8700 .0 .4 0* .2 .2 100 WOLVERINE 7650 .0 .0 100* .1 .1 100 ----- ----- Basin wide percent of average 7* 163 WIND RIVER BURROUGHS CREEK 8750 .1 .1 100* .1 .1 100 COLD SPRINGS 9630 .1 .1 100* .1 .1 100 DEER PARK 9700 .1 -M * .1 -M * HOBBS PARK 10100 .1 .4 25* .0 .1 0 LITTLE WARM 9620 .0 .1 0* .2 .1 200 SOUTH PASS 9040 .1 .4 25* .0 .1 0 ST. LAWRENCE ALT 8620 .0 .0 100* .0 .1 0 TOGWOTEE PASS 9580 .1 .1 100* .1 .2 50 TOWNSEND CREEK 8700 .1 .0 * .0 .1 0 ----- ----- Basin wide percent of average 42* 56 BIGHORN BASIN BALD MTN. 9375 .2 .7 29* .1 .1 100 BEAR TRAP MEADOW 7900 .1 .1 100* .1 .1 100 BLACKWATER 9780 .0 .8 0* .4 .2 200 BONE SPRINGS DIV 9350 .1 .9 11* .1 .1 100 EVENING STAR 9200 .0 .7 0* .1 .2 50 GRAVE SPRINGS 8550 .0 -M * .1 .1 100 KIRWIN 9550 .0 .4 0* .1 .1 100 MARQUETTE 8760 .0 .3 0* .0 .1 0 MIDDLE POWDER 7760 .1 .3 33* .2 .1 200 OWL CREEK 8975 .0 .3 0* .0 .1 0 POWDER RIVER PASS 9480 .1 .2 50* .1 .1 100 SHELL CREEK 9580 .1 .8 12* .1 .1 100 SYLVAN LAKE 8420 .0 .8 0* .4 .2 200 SYLVAN ROAD 8120 .0 .3 0* .1 .1 100 TIMBER CREEK 7950 .0 .0 100* .0 .1 0 YOUNTS PEAK 8350 .1 .4 25* .2 .1 200 ----- ----- Basin wide percent of average 11* 111 SHOSHONE RIVER BLACKWATER 9780 .0 .8 0* .4 .2 200 EVENING STAR 9200 .0 .7 0* .1 .2 50 KIRWIN 9550 .0 .4 0* .1 .1 100 MARQUETTE 8760 .0 .3 0* .0 .1 0 SYLVAN LAKE 8420 .0 .8 0* .4 .2 200 SYLVAN ROAD 8120 .0 .3 0* .1 .1 100 YOUNTS PEAK 8350 .1 .4 25* .2 .1 200 ----- ----- Basin wide percent of average 3* 130 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .1 100* .1 .1 100 BONE SPRINGS DIV 9350 .1 .9 11* .1 .1 100 BURGESS JUNCTION 7880 .0 .4 0* .0 .1 0 CLOUD PEAK RESERVOIR 9860 .1 .3 33* .0 .1 0 DOME LAKE 8880 .0 .4 0* .0 .1 0 GRAVE SPRINGS 8550 .0 -M * .1 .1 100 HANSEN SAWMILL 8760 .1 .1 100* .1 .1 100 MIDDLE POWDER 7760 .1 .3 33* .2 .1 200 POWDER RIVER PASS 9480 .1 .2 50* .1 .1 100 SUCKER CREEK 8880 .2 .3 67* .0 .1 0 TIE CREEK 6870 .1 -M * .1 .1 100 ----- ----- Basin wide percent of average 27* 73 BELLE FOURCHE BLIND PARK 6890 .0 .2 0* .2 .1 200 NORTH RAPID CREEK 6130 .0 -M * .5 -M * WARREN PEAK 6520 .0 .2 0* .2 .1 200 ----- ----- Basin wide percent of average 0* 200 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .1 0* .5 .2 250 DIVIDE PEAK 8800 -M .1 * -M .2 * ELK RIVER 8700 .0 .0 100* 2.1 .1 2100 JOE WRIGHT 10120 .6 .2 300* 1.4 .2 700 NORTH FRENCH CREEK 10100 .2 .1 200* .9 .1 900 OLD BATTLE 10000 .4 .6 67* 1.4 .2 700 SOUTH BRUSH CREEK 8400 -M .0 * -M .1 * TOWER 10500 .0 .3 0* .8 .3 267 WEBBER SPRINGS 9200 .0 .1 0* .8 .2 400 WILLOW CREEK PASS 9540 .0 .0 100* .2 .1 200 ----- ----- Basin wide percent of average 86* 579 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .3 0* .1 .2 50 CASPER MTN. 7900 .0 .1 0* .3 .2 150 DEADMAN HILL 10220 .0 .1 0* .4 .2 200 DEER PARK 9700 .1 -M * .1 -M * LAPRELE CREEK 8320 .0 .0 100* .1 .1 100 RENO HILL 8400 .0 .1 0* .1 .2 50 ROACH 9700 .0 .1 0* .4 .2 200 SAND LAKE 10080 .3 .1 300* 1.3 .2 650 SOUTH PASS 9040 .1 .4 25* .0 .1 0 WINDY PEAK 7840 .0 .0 100* .4 .1 400 ----- ----- Basin wide percent of average 33* 207 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* .2 .1 200 DIVIDE PEAK 8800 -M .1 * -M .2 * OLD BATTLE 10000 .4 .6 67* 1.4 .2 700 SANDSTONE RS 8150 .0 .0 100* 1.3 .1 1300 WHISKEY PARK 8950 .0 .1 0* 1.7 .1 1700 ----- ----- Basin wide percent of average 57* 920 UPPER GREEN RIVER BIG SANDY OPENING 9100 .2 .0 * .2 .1 200 BLIND BULL SUM 8650 .0 .0 100* .4 .1 400 EAST RIM DIVIDE 7930 .0 .0 100* .1 .1 100 ELKHART PARK G.S. 9400 .0 .0 100* .1 .1 100 GROS VENTRE SUMMIT 8775 .0 .0 100* .1 .1 100 KENDALL R.S. 7740 .0 .0 100* .1 .1 100 LOOMIS PARK 8240 .1 .0 * .2 .1 200 NEW FORK LAKE 8340 .0 .0 100* .0 .1 0 SNIDER BASIN 8250 .2 .0 * .2 .1 200 SPRING CREEK DIVIDE 9000 .1 .0 * .6 .1 600 TRIPLE PEAK 8500 .2 .0 * .4 .2 200 ----- ----- Basin wide percent of average * 200 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* .5 .1 500 HEWINTA 9500 .1 .0 * .1 .2 50 HICKERSON PARK 9150 .0 .0 100* .2 .1 200 HOLE-IN-ROCK 9150 .0 .0 100* .6 .1 600 INDIAN CREEK 9425 .4 .0 * .4 .1 400 KELLEY R.S. 8180 .2 .0 * .3 .1 300 STEEL CREEK PARK 10100 .1 .5 20* .6 .2 300 ----- ----- Basin wide percent of average 20* 300 UPPER BEAR RIVER BUG LAKE 7950 .2 .3 67* -M .2 * HAYDEN FORK 9400 -M .1 * .0 .2 0 KELLEY R.S. 8180 .2 .0 * .3 .1 300 LILY LAKE 9050 .3 .2 150* .0 .2 0 MONTE CRISTO 8960 .1 .4 25* .6 .2 300 SALT RIVER SUMMIT 7600 .1 .0 * .4 .1 400 TRIAL LAKE 9960 .0 .4 0* .0 .2 0 ----- ----- Basin wide percent of average 46* 130 ----------------------------------------------------------------------------- -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.