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 SUNDAY: JUNE 22 , 2008 ----------------------------------------------------------------------------- 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 34.9 28.6 122 COTTONWOOD CREEK 7670 .0 .0 100 32.1 37.4 86 GRAND TARGHEE 9260 47.5 -M * 48.5 -M * GRANITE CREEK 6770 .0 .0 100 31.4 26.3 119 GRASSY LAKE 7265 .8 .0 56.9 47.4 120 GROS VENTRE SUMMIT 8750 .0 .0 100 19.7 19.2 103 GUNSIGHT PASS 9820 -M -M * 21.2 -M * LEWIS LAKE DIVIDE 7850 1.2 .0 49.3 47.4 104 PHILLIPS BENCH 8200 3.4 .0 44.4 38.4 116 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.2 88 SNAKE RIVER STATION 6920 .0 .0 100 36.4 30.1 121 SPRING CREEK DIVIDE 9000 1.2 .0 32.3 34.4 94 THUMB DIVIDE 7980 .1 .0 29.3 26.3 111 TOGWOTEE PASS 9580 21.2 9.4 226 41.3 34.4 120 TWO OCEAN PLATEAU 9240 28.0 12.6 222 43.9 38.4 114 WILLOW CREEK 8380 1.1 .0 53.4 44.6 120 ----- ----- Basin wide percent of average 224 110 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 22.0 6.8 324 34.4 29.0 119 BLACK BEAR 8170 29.0 8.0 362 56.6 52.8 107 CANYON 7870 .5 .0 28.0 22.1 127 FISHER CREEK 9100 -M 14.4 * 52.7 49.5 106 MADISON PLATEAU 7750 6.8 .1 6800 44.1 36.2 122 NORTHEAST ENTRANCE 7350 .1 .0 21.9 19.5 112 PARKER PEAK 9400 18.1 6.0 302 40.1 25.4 158 SYLVAN LAKE 8420 3.2 1.6 200 40.4 31.4 129 THUMB DIVIDE 7980 .1 .0 29.3 26.3 111 TWO OCEAN PLATEAU 9240 28.0 12.6 222 43.9 38.4 114 WHISKEY CREEK 6800 .0 .0 100 -M 29.3 * WHITE MILL 8700 18.5 6.0 308 38.7 37.6 103 WOLVERINE 7650 .0 .0 100 23.0 19.9 116 ----- ----- Basin wide percent of average 306 117 WIND RIVER BURROUGHS CREEK 8750 .1 .1 100 26.1 24.3 107 COLD SPRINGS 9630 .0 .0 100 18.4 18.9 97 DEER PARK 9700 1.4 1.0 140 31.0 33.0 94 HOBBS PARK 10100 2.1 2.5 84 25.6 22.9 112 LITTLE WARM 9370 .0 .0 100 22.6 21.7 104 SOUTH PASS 9040 .2 .6 33 27.6 27.6 100 ST. LAWRENCE ALT 8620 .1 .0 16.8 17.0 99 TOGWOTEE PASS 9580 21.2 9.4 226 41.3 34.4 120 TOWNSEND CREEK 8700 .0 .0 100 22.0 20.5 107 ----- ----- Basin wide percent of average 184 105 BIGHORN BASIN BALD MTN. 9380 -M 4.2 * 27.8 27.5 101 BEAR TRAP MEADOW 8200 .0 .0 100 19.5 16.3 120 BLACKWATER 9780 25.8 12.4 208 38.1 31.5 121 BONE SPRINGS DIV 9350 .0 .7 0 29.7 24.8 120 EVENING STAR 9200 24.0 11.5 209 51.8 37.0 140 GRAVE SPRINGS 8550 .0 .0 100 19.1 18.0 106 KIRWIN 9550 .0 .2 0 23.3 19.7 118 MARQUETTE 8760 -M .4 * 22.7 20.5 111 MIDDLE POWDER 7760 .1 .0 18.8 21.1 89 OWL CREEK 8975 .1 .0 13.5 13.0 104 POWDER RIVER PASS 9480 .0 .0 100 26.4 21.9 121 SHELL CREEK 9580 10.0 1.4 714 27.9 23.1 121 SYLVAN LAKE 8420 3.2 1.6 200 40.4 31.4 129 SYLVAN ROAD 7120 .0 .0 100 31.5 25.2 125 TIMBER CREEK 7950 .2 .0 19.5 16.2 120 YOUNTS PEAK 8350 .1 .1 100 25.9 24.0 108 ----- ----- Basin wide percent of average 226 117 SHOSHONE RIVER BLACKWATER 9780 25.8 12.4 208 38.1 31.5 121 EVENING STAR 9200 24.0 11.5 209 51.8 37.0 140 KIRWIN 9550 .0 .2 0 23.3 19.7 118 MARQUETTE 8760 -M .4 * 22.7 20.5 111 SYLVAN LAKE 8420 3.2 1.6 200 40.4 31.4 129 SYLVAN ROAD 7120 .0 .0 100 31.5 25.2 125 YOUNTS PEAK 8350 .1 .1 100 25.9 24.0 108 ----- ----- Basin wide percent of average 206 123 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100 19.5 16.3 120 BIG GOOSE 7990 .2 .0 24.5 17.7 138 BONE SPRINGS DIV 9350 .0 .7 0 29.7 24.8 120 BURGESS JUNCTION 7880 .0 .0 100 25.7 20.6 125 CLOUD PEAK RESERVOIR 9860 8.0 .9 889 31.8 24.2 131 DOME LAKE 8880 .0 .0 100 28.8 22.7 127 GRAVE SPRINGS 8550 .0 .0 100 19.1 18.0 106 HANSEN SAWMILL 8360 .1 .0 23.4 16.5 142 MIDDLE POWDER 7760 .1 .0 18.8 21.1 89 POWDER RIVER PASS 9480 .0 .0 100 26.4 21.9 121 SUCKER CREEK 8880 .1 .0 31.0 23.9 130 TIE CREEK 6870 -M .0 * 24.1 19.6 123 ----- ----- Basin wide percent of average 500 122 BELLE FOURCHE BLIND PARK 6890 .0 .0 100 22.6 20.3 111 COLE CANYON 5910 .1 .0 23.7 15.6 152 NORTH RAPID CREEK 6130 .0 .0 100 24.7 16.9 146 ----- ----- Basin wide percent of average * 134 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .0 100 36.3 33.3 109 DIVIDE PEAK 8880 .0 .0 100 32.1 28.7 112 ELK RIVER 8700 -M .0 * 30.3 27.3 111 JOE WRIGHT 10120 3.4 3.8 89 40.2 36.7 110 NORTH FRENCH CREEK 10130 6.6 7.5 88 41.3 36.1 114 OLD BATTLE 10000 13.9 7.0 199 51.7 45.8 113 SAGE CREEK BASIN 7850 .0 .0 100 22.7 16.7 136 SOUTH BRUSH CREEK 8440 .0 .0 100 24.3 25.2 96 TOWER 10500 20.2 18.1 112 53.8 51.9 104 WEBBER SPRINGS 9250 .0 .3 0 40.3 36.0 112 WILLOW CREEK PASS 9540 .3 .0 24.0 20.6 117 ----- ----- Basin wide percent of average 120 111 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 1.9 0 32.0 32.7 98 CASPER MTN. 7900 .0 .5 0 30.5 25.8 118 DEADMAN HILL 10220 .1 1.7 6 28.8 26.1 110 DEER PARK 9700 1.4 1.0 140 31.0 33.0 94 LAPRELE CREEK 8375 .0 .0 100 21.3 21.7 98 RENO HILL 8400 .0 .0 100 32.4 26.3 123 ROACH 9700 .0 .5 0 31.7 28.0 113 SAND LAKE 10050 15.7 7.7 204 43.1 36.2 119 SOUTH PASS 9040 .2 .6 33 27.6 27.6 100 WINDY PEAK 7900 -M .0 * 19.1 18.7 102 ----- ----- Basin wide percent of average 125 108 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 23.0 22.0 105 DIVIDE PEAK 8880 .0 .0 100 32.1 28.7 112 OLD BATTLE 10000 13.9 7.0 199 51.7 45.8 113 SANDSTONE RS 8150 -M .0 * 28.7 26.0 110 WHISKEY PARK 8950 .0 1.1 0 46.6 39.4 118 ----- ----- Basin wide percent of average 172 112 UPPER GREEN RIVER BIG SANDY OPENING 9080 -M .0 * 19.5 20.0 98 BLIND BULL SUM 8650 10.3 4.3 240 24.9 29.5 84 EAST RIM DIVIDE 7930 .0 .0 100 15.6 17.3 90 ELKHART PARK G.S. 9400 .0 .0 100 16.6 20.6 81 GROS VENTRE SUMMIT 8750 .0 .0 100 19.7 19.2 103 GUNSIGHT PASS 9820 -M -M * 21.2 -M * KENDALL R.S. 7740 .0 .0 100 18.6 19.8 94 LOOMIS PARK 8240 .0 .0 100 23.4 23.7 99 NEW FORK LAKE 8340 .0 .0 100 14.3 17.3 83 SNIDER BASIN 8060 .0 .0 100 19.7 21.4 92 SPRING CREEK DIVIDE 9000 1.2 .0 32.3 34.4 94 TRIPLE PEAK 8500 .0 .0 100 39.3 33.4 118 ----- ----- Basin wide percent of average 240 95 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100 15.7 18.2 86 HEWINTA 9519 .0 .0 100 23.2 21.5 108 HICKERSON PARK 9145 .0 .0 100 14.4 13.7 105 HOLE-IN-ROCK 9150 .0 .0 100 15.3 13.5 113 INDIAN CREEK 9425 4.9 .7 700 30.9 33.8 91 KELLEY R.S. 8180 .1 .0 24.4 27.4 89 STEEL CREEK PARK 10200 4.4 2.2 200 26.2 24.6 107 ----- ----- Basin wide percent of average 321 98 UPPER BEAR RIVER BUG LAKE 7950 -M .0 * -M 26.3 * HAYDEN FORK 9212 .1 .0 31.4 29.9 105 KELLEY R.S. 8180 .1 .0 24.4 27.4 89 LILY LAKE 9156 .7 .0 25.4 25.5 100 MONTE CRISTO 8960 .0 1.0 0 33.2 35.4 94 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.2 88 TRIAL LAKE 9992 -M 3.1 * 32.3 35.0 92 ----- ----- Basin wide percent of average 0* 95 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values 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.