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 3 , 1997 ----------------------------------------------------------------------------- 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* .1 .1 100 COTTONWOOD CREEK 7600 .0 .0 100* .5 .1 500 GRANITE CREEK 6770 .2 .0 * .1 .1 100 GRASSY LAKE 7265 .1 .0 * .8 .2 400 GROS VENTRE SUMMIT 8775 .1 .0 * .1 .1 100 LEWIS LAKE DIVIDE 7860 .0 .0 100* .6 .2 300 PHILLIPS BENCH 8200 .1 .0 * .3 .2 150 SALT RIVER SUMMIT 7600 .1 .0 * 1.1 .1 1100 SNAKE RIVER STATION 6920 .0 .0 100* .3 .1 300 SPRING CREEK DIVIDE 9000 .0 .0 100* .1 .1 100 THUMB DIVIDE 7980 .1 .0 * .3 .1 300 TOGWOTEE PASS 9580 -M .1 * .1 .2 50 TWO OCEAN PLATEAU 9360 .2 .2 100* .5 .2 250 WILLOW CREEK 8450 .1 .0 * .8 .2 400 ----- ----- Basin wide percent of average 100* 285 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .0 .7 0* -M .1 * BLACK BEAR 7950 .1 .5 20* .2 .2 100 CANYON 7940 .2 .1 200* .0 .1 0 FISHER CREEK 9100 .1 .5 20* .0 .2 0 MADISON PLATEAU 7750 .0 .2 0* .2 .2 100 NORTHEAST ENTRANCE 7350 .0 .0 100* .1 .1 100 PARKER PEAK 9400 .0 .9 0* .3 .1 300 SYLVAN LAKE 8420 .1 .8 12* .6 .2 300 THUMB DIVIDE 7980 .1 .0 * .3 .1 300 TWO OCEAN PLATEAU 9360 .2 .2 100* .5 .2 250 WHISKEY CREEK 6800 .0 .0 100* .2 .1 200 WHITE MILL 8700 .1 .4 25* .2 .2 100 WOLVERINE 7650 .1 .0 * .2 .1 200 ----- ----- Basin wide percent of average 19* 156 WIND RIVER BURROUGHS CREEK 8750 .0 .1 0* .2 .1 200 CHRISTINA LAKE 9980 -M .5 * -M .2 * COLD SPRINGS 9630 .0 .1 0* .1 .1 100 HOBBS PARK 10100 .1 .4 25* .0 .1 0 LITTLE WARM 9620 .0 .1 0* .3 .1 300 SOUTH PASS 9040 .1 .4 25* .2 .1 200 ST. LAWRENCE ALT 8620 .1 .0 * .0 .1 0 TOGWOTEE PASS 9580 -M .1 * .1 .2 50 TOWNSEND CREEK 8700 .0 .0 100* .0 .1 0 ----- ----- Basin wide percent of average 18* 100 BIGHORN BASIN BALD MTN. 9375 .2 .7 29* .1 .1 100 BEAR TRAP MEADOW 7900 .1 .1 100* .0 .1 0 BLACKWATER 9780 .0 .8 0* .0 .2 0 BONE SPRINGS DIV 9350 .1 .9 11* .1 .1 100 EVENING STAR 9200 .0 .7 0* .4 .2 200 GRAVE SPRINGS 8550 .1 -M * .1 .1 100 KIRWIN 9550 .1 .4 25* -M .1 * LOST CREEK 8080 -M .3 * -M .1 * MARQUETTE 8760 .0 .3 0* -M .1 * MIDDLE POWDER 7760 .2 .3 67* .2 .1 200 OWL CREEK 8975 .0 .3 0* -M .1 * POWDER RIVER PASS 9480 .0 .2 0* .1 .1 100 SHELL CREEK 9580 .1 .8 12* .1 .1 100 SYLVAN LAKE 8420 .1 .8 12* .6 .2 300 SYLVAN ROAD 8120 .0 .3 0* .3 .1 300 TIMBER CREEK 7950 .1 .0 * .0 .1 0 YOUNTS PEAK 8350 .0 .4 0* .1 .1 100 ----- ----- Basin wide percent of average 13* 131 SHOSHONE RIVER BLACKWATER 9780 .0 .8 0* .0 .2 0 EVENING STAR 9200 .0 .7 0* .4 .2 200 KIRWIN 9550 .1 .4 25* -M .1 * MARQUETTE 8760 .0 .3 0* -M .1 * SYLVAN LAKE 8420 .1 .8 12* .6 .2 300 SYLVAN ROAD 8120 .0 .3 0* .3 .1 300 YOUNTS PEAK 8350 .0 .4 0* .1 .1 100 ----- ----- Basin wide percent of average 5* 175 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .1 100* .0 .1 0 BONE SPRINGS DIV 9350 .1 .9 11* .1 .1 100 BURGESS JUNCTION 7880 .1 .4 25* .1 .1 100 CLOUD PEAK RESERVOIR 9860 .0 .3 0* .3 .1 300 DOME LAKE 8880 .1 .4 25* .0 .1 0 GRAVE SPRINGS 8550 .1 -M * .1 .1 100 HANSEN SAWMILL 8760 .0 .1 0* .0 .1 0 LOST CREEK 8080 -M .3 * -M .1 * MIDDLE POWDER 7760 .2 .3 67* .2 .1 200 POWDER RIVER PASS 9480 .0 .2 0* .1 .1 100 SUCKER CREEK 8880 .0 .3 0* .0 .1 0 TIE CREEK 6870 .0 -M * .1 .1 100 ----- ----- Basin wide percent of average 20* 91 BELLE FOURCHE BLIND PARK 6890 .0 .2 0* .0 .1 0 NORTH RAPID CREEK 6130 .0 -M * .3 -M * WARREN PEAK 6520 .0 .2 0* .1 .1 100 ----- ----- Basin wide percent of average 0* 50 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .1 0* .4 .2 200 DIVIDE PEAK 8800 .0 .1 0* .1 .2 50 ELK RIVER 8700 .0 .0 100* -M .1 * JOE WRIGHT 10120 .0 .2 0* .2 .2 100 NORTH FRENCH CREEK 10100 .4 .1 400* .2 .1 200 OLD BATTLE 10000 .4 .6 67* .3 .2 150 SOUTH BRUSH CREEK 8400 .2 .0 * .0 .1 0 TOWER 10500 .0 .3 0* .2 .3 67 WEBBER SPRINGS 9200 .0 .1 0* .3 .2 150 WILLOW CREEK PASS 9540 .0 .0 100* .3 .1 300 ----- ----- Basin wide percent of average 53* 125 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .3 0* .0 .2 0 CASPER MTN. 7900 .1 .1 100* .0 .2 0 CHRISTINA LAKE 9980 -M .5 * -M .2 * DEADMAN HILL 10220 .2 .1 200* .1 .2 50 LAPRELE CREEK 8320 .0 .0 100* .0 .1 0 RENO HILL 8400 .1 .1 100* .0 .2 0 ROACH 9700 .0 .1 0* .2 .2 100 SAND LAKE 10080 .1 .1 100* .0 .2 0 SOUTH PASS 9040 .1 .4 25* .2 .1 200 WINDY PEAK 7840 .3 .0 * .0 .1 0 ----- ----- Basin wide percent of average 50* 33 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* .4 .1 400 DIVIDE PEAK 8800 .0 .1 0* .1 .2 50 OLD BATTLE 10000 .4 .6 67* .3 .2 150 SANDSTONE RS 8150 .0 .0 100* .4 .1 400 WHISKEY PARK 8950 -M .1 * -M .1 * ----- ----- Basin wide percent of average 57* 200 UPPER GREEN RIVER BIG SANDY OPENING 9100 .1 .0 * .1 .1 100 BLIND BULL SUM 8650 .1 .0 * .4 .1 400 EAST RIM DIVIDE 7930 .0 .0 100* .0 .1 0 ELKHART PARK G.S. 9400 .0 .0 100* .1 .1 100 GROS VENTRE SUMMIT 8775 .1 .0 * .1 .1 100 KENDALL R.S. 7740 .1 .0 * .1 .1 100 LOOMIS PARK 8240 .0 .0 100* .0 .1 0 NEW FORK LAKE 8340 .0 .0 100* .0 .1 0 SNIDER BASIN 8250 .1 .0 * .0 .1 0 SPRING CREEK DIVIDE 9000 .0 .0 100* .1 .1 100 TRIPLE PEAK 8500 .1 .0 * .5 .2 250 ----- ----- Basin wide percent of average * 117 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * .0 .1 0 HEWINTA 9500 .2 .0 * .2 .2 100 HICKERSON PARK 9150 .0 .0 100* .1 .1 100 HOLE-IN-ROCK 9150 .0 .0 100* .1 .1 100 INDIAN CREEK 9425 .1 .0 * .1 .1 100 KELLEY R.S. 8180 .3 .0 * .2 .1 200 STEEL CREEK PARK 10100 .0 .5 0* .5 .2 250 ----- ----- Basin wide percent of average 0* 133 UPPER BEAR RIVER BUG LAKE 7950 .1 .3 33* .1 .2 50 HAYDEN FORK 9400 .0 .1 0* .5 .2 250 KELLEY R.S. 8180 .3 .0 * .2 .1 200 LILY LAKE 9050 .8 .2 400* .2 .2 100 MONTE CRISTO 8960 .1 .4 25* .0 .2 0 SALT RIVER SUMMIT 7600 .1 .0 * 1.1 .1 1100 TRIAL LAKE 9960 .1 .4 25* .2 .2 100 ----- ----- Basin wide percent of average 79* 192 ----------------------------------------------------------------------------- -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.