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 WEDNESDAY: JULY 22 , 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* 29.8 30.5 98 COTTONWOOD CREEK 7600 .0 .0 100* 35.0 33.9 103 GRANITE CREEK 6770 .0 .0 100* 30.2 33.3 91 GRASSY LAKE 7265 .0 .0 100* 50.6 50.5 100 GROS VENTRE SUMMIT 8775 .0 .0 100* 24.2 22.6 107 LEWIS LAKE DIVIDE 7860 .0 .0 100* 44.2 51.3 86 PHILLIPS BENCH 8200 .0 .0 100* 37.1 40.4 92 SALT RIVER SUMMIT 7600 .0 .0 100* 29.3 23.9 123 SNAKE RIVER STATION 6920 .0 .0 100* 33.6 35.4 95 SPRING CREEK DIVIDE 9000 .2 .0 * 32.2 36.5 88 THUMB DIVIDE 7980 .0 .0 100* 28.3 28.6 99 TOGWOTEE PASS 9580 .0 .0 100* 34.9 38.5 91 TWO OCEAN PLATEAU 9360 .0 .0 100* 39.8 42.0 95 WILLOW CREEK 8450 .0 .0 100* 46.7 43.5 107 ----- ----- Basin wide percent of average * 97 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .0 .0 100* 25.9 28.9 90 BLACK BEAR 7950 .0 .0 100* 51.4 55.8 92 CANYON 7940 .0 .0 100* 23.6 22.7 104 FISHER CREEK 9100 .0 .0 100* 42.4 52.8 80 MADISON PLATEAU 7750 .0 .0 100* 36.6 37.5 98 NORTHEAST ENTRANCE 7350 -M .0 * -M 20.4 * PARKER PEAK 9400 .0 .4 0* 26.5 26.3 101 SYLVAN LAKE 8420 .0 .0 100* 33.2 31.3 106 THUMB DIVIDE 7980 .0 .0 100* 28.3 28.6 99 TWO OCEAN PLATEAU 9360 .0 .0 100* 39.8 42.0 95 WHISKEY CREEK 6800 .0 .0 100* 32.3 31.9 101 WHITE MILL 8700 .2 .0 * 32.6 41.4 79 WOLVERINE 7650 .0 .0 100* 16.8 22.1 76 ----- ----- Basin wide percent of average 0* 92 WIND RIVER BURROUGHS CREEK 8750 .2 .0 * 27.4 25.3 108 COLD SPRINGS 9630 .1 .0 * 22.8 19.3 118 DEER PARK 9700 -M -M * 33.1 -M * HOBBS PARK 10100 .0 .0 100* 20.3 24.3 84 LITTLE WARM 9620 .0 .0 100* 23.2 22.6 103 SOUTH PASS 9040 .1 .0 * 28.4 27.5 103 ST. LAWRENCE ALT 8620 .1 .0 * 19.9 17.9 111 TOGWOTEE PASS 9580 .0 .0 100* 34.9 38.5 91 TOWNSEND CREEK 8700 .1 .0 * 24.7 21.8 113 ----- ----- Basin wide percent of average * 102 BIGHORN BASIN BALD MTN. 9375 .3 .0 * 27.6 28.9 96 BEAR TRAP MEADOW 7900 .0 .0 100* 18.4 17.3 106 BLACKWATER 9780 .1 .1 100* 30.0 29.9 100 BONE SPRINGS DIV 9350 .0 .0 100* 25.9 26.7 97 EVENING STAR 9200 .0 .2 0* 37.0 36.5 101 GRAVE SPRINGS 8550 .1 -M * 21.0 20.2 104 KIRWIN 9550 .0 .0 100* 22.7 20.7 110 MARQUETTE 8760 .2 .0 * 26.0 21.4 121 MIDDLE POWDER 7760 .0 .0 100* 20.3 22.1 92 OWL CREEK 8975 .0 .0 100* 16.6 13.9 119 POWDER RIVER PASS 9480 .0 .0 100* 22.7 21.9 104 SHELL CREEK 9580 .0 .0 100* 18.9 24.4 77 SYLVAN LAKE 8420 .0 .0 100* 33.2 31.3 106 SYLVAN ROAD 8120 .0 .0 100* 21.7 26.5 82 TIMBER CREEK 7950 -M .0 * 18.7 17.1 109 YOUNTS PEAK 8350 .0 .0 100* 24.4 26.2 93 ----- ----- Basin wide percent of average 33* 100 SHOSHONE RIVER BLACKWATER 9780 .1 .1 100* 30.0 29.9 100 EVENING STAR 9200 .0 .2 0* 37.0 36.5 101 KIRWIN 9550 .0 .0 100* 22.7 20.7 110 MARQUETTE 8760 .2 .0 * 26.0 21.4 121 SYLVAN LAKE 8420 .0 .0 100* 33.2 31.3 106 SYLVAN ROAD 8120 .0 .0 100* 21.7 26.5 82 YOUNTS PEAK 8350 .0 .0 100* 24.4 26.2 93 ----- ----- Basin wide percent of average 33* 101 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 18.4 17.3 106 BONE SPRINGS DIV 9350 .0 .0 100* 25.9 26.7 97 BURGESS JUNCTION 7880 .0 .0 100* 19.5 21.5 91 CLOUD PEAK RESERVOIR 9860 .1 .0 * 26.6 25.8 103 DOME LAKE 8880 .0 .0 100* 22.5 23.9 94 GRAVE SPRINGS 8550 .1 -M * 21.0 20.2 104 HANSEN SAWMILL 8760 .0 .0 100* 20.1 16.9 119 MIDDLE POWDER 7760 .0 .0 100* 20.3 22.1 92 POWDER RIVER PASS 9480 .0 .0 100* 22.7 21.9 104 SUCKER CREEK 8880 .0 .0 100* 22.4 24.8 90 TIE CREEK 6870 .0 -M * 23.0 20.6 112 ----- ----- Basin wide percent of average * 100 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 23.4 23.8 98 NORTH RAPID CREEK 6130 .0 -M * 26.1 -M * WARREN PEAK 6520 .0 .0 100* 19.2 18.0 107 ----- ----- Basin wide percent of average * 102 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 31.4 33.5 94 DIVIDE PEAK 8800 .0 .0 100* 28.5 33.1 86 ELK RIVER 8700 .0 .0 100* 28.3 27.2 104 JOE WRIGHT 10120 .0 .0 100* 35.9 39.5 91 NORTH FRENCH CREEK 10100 .2 .0 * 42.3 35.6 119 OLD BATTLE 10000 .0 .0 100* 47.4 43.1 110 SOUTH BRUSH CREEK 8400 .0 .0 100* 21.2 27.0 79 TOWER 10500 .0 .0 100* 55.0 53.0 104 WEBBER SPRINGS 9200 .0 .0 100* 35.6 36.9 96 WILLOW CREEK PASS 9540 .0 .0 100* 16.7 21.6 77 ----- ----- Basin wide percent of average * 98 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .0 100* 31.9 30.1 106 CASPER MTN. 7900 .0 .0 100* 19.9 26.6 75 DEADMAN HILL 10220 .1 .0 * 22.6 28.3 80 DEER PARK 9700 -M -M * 33.1 -M * LAPRELE CREEK 8320 .0 .0 100* 17.1 21.7 79 RENO HILL 8400 .0 .0 100* 16.9 28.0 60 ROACH 9700 .0 .0 100* 26.2 33.7 78 SAND LAKE 10080 .0 .0 100* 36.0 31.7 114 SOUTH PASS 9040 .1 .0 * 28.4 27.5 103 WINDY PEAK 7840 .0 .0 100* 16.1 19.4 83 ----- ----- Basin wide percent of average * 87 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .2 .0 * 23.0 22.5 102 DIVIDE PEAK 8800 .0 .0 100* 28.5 33.1 86 OLD BATTLE 10000 .0 .0 100* 47.4 43.1 110 SANDSTONE RS 8150 .5 .0 * 26.9 28.2 95 WHISKEY PARK 8950 .0 .0 100* 41.6 40.9 102 ----- ----- Basin wide percent of average * 100 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.4 23.0 97 BLIND BULL SUM 8650 .0 .0 100* 28.9 31.8 91 EAST RIM DIVIDE 7930 .0 .0 100* 19.6 21.5 91 ELKHART PARK G.S. 9400 .0 .0 100* 23.8 22.7 105 GROS VENTRE SUMMIT 8775 .0 .0 100* 24.2 22.6 107 KENDALL R.S. 7740 .1 .0 * 22.6 22.0 103 LOOMIS PARK 8240 .0 .0 100* 26.9 26.7 101 NEW FORK LAKE 8340 .0 .0 100* 20.6 20.5 100 SNIDER BASIN 8250 .1 .0 * 19.9 21.5 93 SPRING CREEK DIVIDE 9000 .2 .0 * 32.2 36.5 88 TRIPLE PEAK 8500 .0 .0 100* 32.5 42.4 77 ----- ----- Basin wide percent of average * 94 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 19.5 18.9 103 HEWINTA 9500 .0 .0 100* -M 22.2 * HICKERSON PARK 9150 -M .0 * 23.3 18.4 127 HOLE-IN-ROCK 9150 .0 .0 100* 20.9 18.4 114 INDIAN CREEK 9425 .0 .0 100* 30.3 35.2 86 KELLEY R.S. 8180 .0 .0 100* 26.2 26.6 98 STEEL CREEK PARK 10100 .0 .0 100* 28.6 25.2 113 ----- ----- Basin wide percent of average * 104 UPPER BEAR RIVER BUG LAKE 7950 .0 .0 100* 31.6 26.8 118 HAYDEN FORK 9400 .0 .0 100* 31.8 29.6 107 KELLEY R.S. 8180 .0 .0 100* 26.2 26.6 98 LILY LAKE 9050 .0 .0 100* 29.3 24.1 122 MONTE CRISTO 8960 .1 .0 * 40.2 36.4 110 SALT RIVER SUMMIT 7600 .0 .0 100* 29.3 23.9 123 TRIAL LAKE 9960 .1 .0 * 35.3 34.9 101 ----- ----- Basin wide percent of average * 111 ----------------------------------------------------------------------------- -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.