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 THURSDAY: JUNE 25 , 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* 29.2 29.3 100 COTTONWOOD CREEK 7600 .0 .0 100* 34.5 32.5 106 GRANITE CREEK 6770 .0 .0 100* 29.3 31.6 93 GRASSY LAKE 7265 .0 .0 100* 48.9 48.5 101 GROS VENTRE SUMMIT 8775 .1 .0 * 22.1 21.4 103 LEWIS LAKE DIVIDE 7860 .0 .0 100* 42.7 49.3 87 PHILLIPS BENCH 8200 3.1 .0 * 36.3 38.8 94 SALT RIVER SUMMIT 7600 .1 .0 * 28.8 22.7 127 SNAKE RIVER STATION 6920 .0 .0 100* 32.5 34.0 96 SPRING CREEK DIVIDE 9000 1.0 .0 * 31.1 35.2 88 THUMB DIVIDE 7980 .1 .0 * 27.1 27.4 99 TOGWOTEE PASS 9580 15.3 5.0 306 34.2 37.0 92 TWO OCEAN PLATEAU 9360 16.5 5.9 280 38.4 40.3 95 WILLOW CREEK 8450 .0 .0 100* 46.0 41.8 110 ----- ----- Basin wide percent of average 292* 98 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.9 4.6 63 24.1 27.0 89 BLACK BEAR 7950 16.4 6.0 273 51.0 53.6 95 CANYON 7940 .0 .1 0* 22.4 21.0 107 FISHER CREEK 9100 17.3 11.7 148 39.6 50.1 79 MADISON PLATEAU 7750 .1 .2 50* 35.2 35.7 99 NORTHEAST ENTRANCE 7350 .0 .0 100* 18.3 18.5 99 PARKER PEAK 9400 4.8 6.4 75 25.7 24.1 107 SYLVAN LAKE 8420 .0 2.2 0* 32.1 28.9 111 THUMB DIVIDE 7980 .1 .0 * 27.1 27.4 99 TWO OCEAN PLATEAU 9360 16.5 5.9 280 38.4 40.3 95 WHISKEY CREEK 6800 .0 .0 100* 30.7 30.0 102 WHITE MILL 8700 6.6 5.3 125 30.6 39.2 78 WOLVERINE 7650 .0 .0 100* 15.3 20.0 77 ----- ----- Basin wide percent of average 152* 94 WIND RIVER BURROUGHS CREEK 8750 .2 .0 * 26.7 23.9 112 COLD SPRINGS 9630 .1 .0 * 21.6 17.7 122 DEER PARK 9700 -M -M * 31.6 -M * HOBBS PARK 10100 5.4 1.4 386* 27.0 22.7 119 LITTLE WARM 9620 .0 .0 100* 22.2 20.8 107 SOUTH PASS 9040 .0 1.5 0* 27.6 25.8 107 ST. LAWRENCE ALT 8620 .1 .0 * 19.8 16.3 121 TOGWOTEE PASS 9580 15.3 5.0 306 34.2 37.0 92 TOWNSEND CREEK 8700 .0 .0 100* 24.0 20.4 118 ----- ----- Basin wide percent of average 262* 110 BIGHORN BASIN BALD MTN. 9375 8.0 4.0 200 27.0 27.2 99 BEAR TRAP MEADOW 7900 .0 .0 100* 17.2 15.9 108 BLACKWATER 9780 13.1 4.3 305 28.7 27.1 106 BONE SPRINGS DIV 9350 .2 .9 22* 25.2 24.6 102 EVENING STAR 9200 6.2 9.4 66 36.1 33.3 108 GRAVE SPRINGS 8550 .0 -M * 19.7 18.6 106 KIRWIN 9550 .2 .3 67* 21.7 18.0 121 MARQUETTE 8760 .1 .3 33* 23.6 19.4 122 MIDDLE POWDER 7760 .0 .0 100* 18.5 20.5 90 OWL CREEK 8975 .0 .0 100* 15.4 12.2 126 POWDER RIVER PASS 9480 .0 .0 100* 21.9 20.4 107 SHELL CREEK 9580 .0 1.5 0* 18.3 22.5 81 SYLVAN LAKE 8420 .0 2.2 0* 32.1 28.9 111 SYLVAN ROAD 8120 .1 .0 * 21.3 24.3 88 TIMBER CREEK 7950 -M .0 * 18.0 15.5 116 YOUNTS PEAK 8350 .0 .8 0* 23.1 24.3 95 ----- ----- Basin wide percent of average 117* 104 SHOSHONE RIVER BLACKWATER 9780 13.1 4.3 305 28.7 27.1 106 EVENING STAR 9200 6.2 9.4 66 36.1 33.3 108 KIRWIN 9550 .2 .3 67* 21.7 18.0 121 MARQUETTE 8760 .1 .3 33* 23.6 19.4 122 SYLVAN LAKE 8420 .0 2.2 0* 32.1 28.9 111 SYLVAN ROAD 8120 .1 .0 * 21.3 24.3 88 YOUNTS PEAK 8350 .0 .8 0* 23.1 24.3 95 ----- ----- Basin wide percent of average 113* 106 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 17.2 15.9 108 BONE SPRINGS DIV 9350 .2 .9 22* 25.2 24.6 102 BURGESS JUNCTION 7880 .0 .0 100* 18.9 19.6 96 CLOUD PEAK RESERVOIR 9860 .0 1.2 0* 25.4 23.9 106 DOME LAKE 8880 .0 .3 0* 21.5 22.2 97 GRAVE SPRINGS 8550 .0 -M * 19.7 18.6 106 HANSEN SAWMILL 8760 .0 .0 100* 18.7 15.4 121 MIDDLE POWDER 7760 .0 .0 100* 18.5 20.5 90 POWDER RIVER PASS 9480 .0 .0 100* 21.9 20.4 107 SUCKER CREEK 8880 .0 .0 100* 22.2 22.9 97 TIE CREEK 6870 .0 -M * 22.0 18.8 117 ----- ----- Basin wide percent of average 8* 104 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 22.3 21.4 104 NORTH RAPID CREEK 6130 .0 -M * 20.7 -M * WARREN PEAK 6520 .0 .0 100* 18.1 16.0 113 ----- ----- Basin wide percent of average * 108 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 30.5 32.0 95 DIVIDE PEAK 8800 .0 .1 0* 28.4 31.8 89 ELK RIVER 8700 .0 .0 100* 29.2 25.9 113 JOE WRIGHT 10120 .0 3.5 0 35.4 36.8 96 NORTH FRENCH CREEK 10100 12.3 4.8 256 42.2 33.9 124 OLD BATTLE 10000 8.5 5.1 167 47.8 41.4 115 SOUTH BRUSH CREEK 8400 .0 .0 100* 20.5 25.3 81 TOWER 10500 30.2 16.7 181 55.2 51.2 108 WEBBER SPRINGS 9200 .0 .8 0* 35.8 35.3 101 WILLOW CREEK PASS 9540 .0 .0 100* 15.6 20.0 78 ----- ----- Basin wide percent of average 165* 102 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 1.5 0* 31.7 28.5 111 CASPER MTN. 7900 .1 .3 33* 19.0 25.0 76 DEADMAN HILL 10220 .0 1.4 0* 22.4 26.3 85 DEER PARK 9700 -M -M * 31.6 -M * LAPRELE CREEK 8320 .0 .0 100* 15.9 20.0 80 RENO HILL 8400 .0 .3 0* 15.2 26.3 58 ROACH 9700 .0 .4 0* 26.2 31.8 82 SAND LAKE 10080 3.2 6.7 48 35.4 30.4 116 SOUTH PASS 9040 .0 1.5 0* 27.6 25.8 107 WINDY PEAK 7840 .0 .0 100* 15.2 17.5 87 ----- ----- Basin wide percent of average 27* 90 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .0 * 23.0 21.6 106 DIVIDE PEAK 8800 .0 .1 0* 28.4 31.8 89 OLD BATTLE 10000 8.5 5.1 167 47.8 41.4 115 SANDSTONE RS 8150 .1 .0 * 26.9 26.9 100 WHISKEY PARK 8950 .0 .1 0* 40.5 39.3 103 ----- ----- Basin wide percent of average 160* 103 UPPER GREEN RIVER BIG SANDY OPENING 9100 .1 .0 * 22.1 21.8 101 BLIND BULL SUM 8650 1.3 3.3 39 28.3 30.7 92 EAST RIM DIVIDE 7930 .0 .0 100* 19.0 20.4 93 ELKHART PARK G.S. 9400 .0 .0 100* 23.0 21.5 107 GROS VENTRE SUMMIT 8775 .1 .0 * 22.1 21.4 103 KENDALL R.S. 7740 .1 .0 * 22.1 20.9 106 LOOMIS PARK 8240 -M .0 * 26.2 25.3 104 NEW FORK LAKE 8340 .0 .0 100* 20.2 19.4 104 SNIDER BASIN 8250 .0 .0 100* 19.2 20.4 94 SPRING CREEK DIVIDE 9000 1.0 .0 * 31.1 35.2 88 TRIPLE PEAK 8500 .1 .0 * 31.3 40.7 77 ----- ----- Basin wide percent of average 39* 95 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 19.2 17.9 107 HEWINTA 9500 .0 .0 100* 20.6 20.6 100 HICKERSON PARK 9150 .0 .0 100* 21.7 16.8 129 HOLE-IN-ROCK 9150 .0 .0 100* 19.8 16.8 118 INDIAN CREEK 9425 5.7 .0 * 29.9 33.8 88 KELLEY R.S. 8180 .0 .0 100* 25.8 25.2 102 STEEL CREEK PARK 10100 9.3 1.4 664* 29.2 22.6 129 ----- ----- Basin wide percent of average 664* 108 UPPER BEAR RIVER BUG LAKE 7950 .0 .0 100* 31.4 26.1 120 HAYDEN FORK 9400 .0 .0 100* 31.5 27.9 113 KELLEY R.S. 8180 .0 .0 100* 25.8 25.2 102 LILY LAKE 9050 .0 .0 100* 28.5 22.7 126 MONTE CRISTO 8960 1.5 1.4 107* 39.8 35.3 113 SALT RIVER SUMMIT 7600 .1 .0 * 28.8 22.7 127 TRIAL LAKE 9960 .9 1.5 60* 34.4 33.3 103 ----- ----- Basin wide percent of average 83* 114 ----------------------------------------------------------------------------- -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.