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 MONDAY: JUNE 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 .1 .0 * 28.9 29.1 99 COTTONWOOD CREEK 7600 .0 .0 100* 34.0 32.4 105 GRANITE CREEK 6770 .0 .0 100* 29.2 31.4 93 GRASSY LAKE 7265 .0 .0 100* 48.1 48.2 100 GROS VENTRE SUMMIT 8775 -M .0 * 21.4 21.2 101 LEWIS LAKE DIVIDE 7860 .1 .0 * 41.7 49.0 85 PHILLIPS BENCH 8200 5.9 .0 * 35.8 38.6 93 SALT RIVER SUMMIT 7600 .0 .0 100* 28.3 22.5 126 SNAKE RIVER STATION 6920 -M .0 * -M 33.8 * SPRING CREEK DIVIDE 9000 3.0 .0 * 30.9 35.1 88 THUMB DIVIDE 7980 -M .0 * -M 27.2 * TOGWOTEE PASS 9580 16.7 7.5 223 33.9 36.8 92 TWO OCEAN PLATEAU 9360 18.1 8.8 206 37.7 40.1 94 WILLOW CREEK 8450 .1 .0 * 45.2 41.6 109 ----- ----- Basin wide percent of average 213* 97 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 5.9 6.1 97 23.8 26.8 89 BLACK BEAR 7950 19.2 8.3 231 50.0 53.3 94 CANYON 7940 .0 .1 0* 22.1 20.7 107 FISHER CREEK 9100 20.5 14.6 140 39.4 49.7 79 MADISON PLATEAU 7750 .1 .2 50* 34.6 35.4 98 NORTHEAST ENTRANCE 7350 .0 .0 100* 17.9 18.3 98 PARKER PEAK 9400 6.6 7.8 85 25.6 23.7 108 SYLVAN LAKE 8420 .0 3.4 0 31.5 28.5 111 THUMB DIVIDE 7980 -M .0 * -M 27.2 * TWO OCEAN PLATEAU 9360 18.1 8.8 206 37.7 40.1 94 WHISKEY CREEK 6800 .0 .0 100* 30.5 29.7 103 WHITE MILL 8700 9.1 7.0 130 30.2 38.8 78 WOLVERINE 7650 .0 .0 100* 15.7 19.8 79 ----- ----- Basin wide percent of average 141 93 WIND RIVER BURROUGHS CREEK 8750 .1 .0 * 26.2 23.7 111 COLD SPRINGS 9630 .0 .0 100* 21.4 17.5 122 DEER PARK 9700 -M -M * 31.5 -M * HOBBS PARK 10100 8.5 2.0 425 27.0 22.4 121 LITTLE WARM 9620 .0 .0 100* 21.4 20.6 104 SOUTH PASS 9040 .0 2.2 0 27.7 25.6 108 ST. LAWRENCE ALT 8620 .1 .0 * 19.7 16.1 122 TOGWOTEE PASS 9580 16.7 7.5 223 33.9 36.8 92 TOWNSEND CREEK 8700 .0 .0 100* 24.0 20.1 119 ----- ----- Basin wide percent of average 215* 110 BIGHORN BASIN BALD MTN. 9375 10.6 5.6 189 26.9 27.0 100 BEAR TRAP MEADOW 7900 .0 .0 100* 17.0 15.7 108 BLACKWATER 9780 14.7 5.4 272 28.1 26.7 105 BONE SPRINGS DIV 9350 .3 1.4 21* 25.2 24.3 104 EVENING STAR 9200 8.9 11.1 80 35.8 32.9 109 GRAVE SPRINGS 8550 .0 -M * 19.5 18.3 107 KIRWIN 9550 .1 .5 20* 21.1 17.8 119 MARQUETTE 8760 .1 .5 20* 23.5 19.1 123 MIDDLE POWDER 7760 .0 .0 100* 18.4 20.2 91 OWL CREEK 8975 .0 .0 100* 15.1 12.0 126 POWDER RIVER PASS 9480 .0 .0 100* 21.4 20.2 106 SHELL CREEK 9580 .0 2.2 0 18.1 22.2 82 SYLVAN LAKE 8420 .0 3.4 0 31.5 28.5 111 SYLVAN ROAD 8120 .0 .0 100* 20.9 24.0 87 TIMBER CREEK 7950 -M .0 * 17.9 15.3 117 YOUNTS PEAK 8350 .0 1.1 0* 22.5 24.1 93 ----- ----- Basin wide percent of average 111* 104 SHOSHONE RIVER BLACKWATER 9780 14.7 5.4 272 28.1 26.7 105 EVENING STAR 9200 8.9 11.1 80 35.8 32.9 109 KIRWIN 9550 .1 .5 20* 21.1 17.8 119 MARQUETTE 8760 .1 .5 20* 23.5 19.1 123 SYLVAN LAKE 8420 .0 3.4 0 31.5 28.5 111 SYLVAN ROAD 8120 .0 .0 100* 20.9 24.0 87 YOUNTS PEAK 8350 .0 1.1 0* 22.5 24.1 93 ----- ----- Basin wide percent of average 108* 106 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .0 100* 17.0 15.7 108 BONE SPRINGS DIV 9350 .3 1.4 21* 25.2 24.3 104 BURGESS JUNCTION 7880 .0 .0 100* 19.0 19.4 98 CLOUD PEAK RESERVOIR 9860 .0 1.8 0 25.0 23.5 106 DOME LAKE 8880 .0 .5 0* 21.2 22.0 96 GRAVE SPRINGS 8550 .0 -M * 19.5 18.3 107 HANSEN SAWMILL 8760 .0 .0 100* 18.2 15.1 121 MIDDLE POWDER 7760 .0 .0 100* 18.4 20.2 91 POWDER RIVER PASS 9480 .0 .0 100* 21.4 20.2 106 SUCKER CREEK 8880 .0 .1 0* 22.0 22.6 97 TIE CREEK 6870 .0 -M * 21.9 18.6 118 ----- ----- Basin wide percent of average 8* 104 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 22.2 21.0 106 NORTH RAPID CREEK 6130 .0 -M * 20.5 -M * WARREN PEAK 6520 .0 .0 100* 17.7 15.7 113 ----- ----- Basin wide percent of average * 109 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 31.0 31.9 97 DIVIDE PEAK 8800 .0 .2 0* 28.7 31.7 91 ELK RIVER 8700 .0 .0 100* 29.4 25.7 114 JOE WRIGHT 10120 2.3 4.6 50 35.5 36.6 97 NORTH FRENCH CREEK 10100 15.8 7.2 219 42.2 33.7 125 OLD BATTLE 10000 13.7 6.3 217 47.9 41.2 116 SOUTH BRUSH CREEK 8400 .0 .0 100* 21.0 25.1 84 TOWER 10500 35.4 19.9 178 55.2 50.9 108 WEBBER SPRINGS 9200 .0 1.1 0* 36.0 35.1 103 WILLOW CREEK PASS 9540 .0 .0 100* 15.3 19.8 77 ----- ----- Basin wide percent of average 171* 103 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 2.2 0* 31.7 28.4 112 CASPER MTN. 7900 .2 .5 40* 18.9 24.7 77 DEADMAN HILL 10220 .0 2.1 0 22.4 26.1 86 DEER PARK 9700 -M -M * 31.5 -M * LAPRELE CREEK 8320 .0 .0 100* 16.0 19.8 81 RENO HILL 8400 .0 .4 0* 15.5 26.1 59 ROACH 9700 .1 .6 17* 26.2 31.6 83 SAND LAKE 10080 7.7 8.7 89 35.4 30.2 117 SOUTH PASS 9040 .0 2.2 0 27.7 25.6 108 WINDY PEAK 7840 .0 .0 100* 15.3 17.3 88 ----- ----- Basin wide percent of average 48* 91 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .0 * 23.1 21.5 107 DIVIDE PEAK 8800 .0 .2 0* 28.7 31.7 91 OLD BATTLE 10000 13.7 6.3 217 47.9 41.2 116 SANDSTONE RS 8150 .0 .0 100* 27.1 26.8 101 WHISKEY PARK 8950 .0 .1 0* 40.5 39.1 104 ----- ----- Basin wide percent of average 208* 104 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.0 21.7 101 BLIND BULL SUM 8650 3.7 5.0 74 27.6 30.6 90 EAST RIM DIVIDE 7930 .0 .0 100* 18.8 20.2 93 ELKHART PARK G.S. 9400 .0 .0 100* 22.7 21.3 107 GROS VENTRE SUMMIT 8775 -M .0 * 21.4 21.2 101 KENDALL R.S. 7740 .0 .0 100* 21.8 20.8 105 LOOMIS PARK 8240 -M .0 * 25.6 25.1 102 NEW FORK LAKE 8340 .0 .0 100* 20.1 19.3 104 SNIDER BASIN 8250 .2 .0 * 19.2 20.2 95 SPRING CREEK DIVIDE 9000 3.0 .0 * 30.9 35.1 88 TRIPLE PEAK 8500 .0 .0 100* 30.6 40.5 76 ----- ----- Basin wide percent of average 74* 94 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 19.1 17.8 107 HEWINTA 9500 .0 .0 100* 20.6 20.4 101 HICKERSON PARK 9150 .0 .0 100* 21.8 16.6 131 HOLE-IN-ROCK 9150 .0 .0 100* 19.8 16.6 119 INDIAN CREEK 9425 8.9 .0 * 29.8 33.6 89 KELLEY R.S. 8180 .0 .0 100* 25.7 25.1 102 STEEL CREEK PARK 10100 11.7 2.0 585 28.9 22.3 130 ----- ----- Basin wide percent of average 585* 109 UPPER BEAR RIVER BUG LAKE 7950 .2 .0 * 31.5 25.9 122 HAYDEN FORK 9400 .0 .0 100* 31.5 27.7 114 KELLEY R.S. 8180 .0 .0 100* 25.7 25.1 102 LILY LAKE 9050 .0 .0 100* 28.6 22.5 127 MONTE CRISTO 8960 1.5 2.1 71* 39.8 35.1 113 SALT RIVER SUMMIT 7600 .0 .0 100* 28.3 22.5 126 TRIAL LAKE 9960 3.5 2.2 159* 34.4 33.1 104 ----- ----- Basin wide percent of average 116* 115 ----------------------------------------------------------------------------- -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.