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 12 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.5 .0 34.6 28.0 124 COTTONWOOD CREEK 7670 2.7 .0 32.7 36.7 89 GRAND TARGHEE 9260 56.6 -M * 47.5 -M * GRANITE CREEK 6770 .1 .0 29.4 25.7 114 GRASSY LAKE 7265 15.6 3.9 400 56.8 46.4 122 GROS VENTRE SUMMIT 8750 .0 .0 100 19.7 18.5 106 GUNSIGHT PASS 9820 4.5 -M * 20.9 -M * LEWIS LAKE DIVIDE 7850 17.5 8.9 197 48.6 46.6 104 PHILLIPS BENCH 8200 15.6 6.7 233 43.8 37.7 116 SALT RIVER SUMMIT 7760 .0 .0 100 22.0 24.7 89 SNAKE RIVER STATION 6920 .0 .0 100 36.4 29.3 124 SPRING CREEK DIVIDE 9000 11.8 7.0 169 32.0 33.8 95 THUMB DIVIDE 7980 .2 .0 29.1 25.7 113 TOGWOTEE PASS 9580 28.0 16.0 175 40.7 33.7 121 TWO OCEAN PLATEAU 9240 -M 19.2 * 43.7 37.5 117 WILLOW CREEK 8380 16.8 5.7 295 53.1 43.8 121 ----- ----- Basin wide percent of average 218 112 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 27.5 13.4 205 34.1 28.1 121 BLACK BEAR 8170 41.6 16.7 249 56.8 51.7 110 CANYON 7870 1.0 .2 500 28.2 21.4 132 FISHER CREEK 9100 -M 23.0 * 51.9 48.2 108 MADISON PLATEAU 7750 19.8 2.3 861 44.1 35.4 125 NORTHEAST ENTRANCE 7350 .3 .0 21.7 18.6 117 PARKER PEAK 9400 -M 12.1 * 39.3 24.4 161 SYLVAN LAKE 8420 18.0 5.9 305 40.3 30.4 133 THUMB DIVIDE 7980 .2 .0 29.1 25.7 113 TWO OCEAN PLATEAU 9240 -M 19.2 * 43.7 37.5 117 WHISKEY CREEK 6800 3.6 .0 34.8 28.4 123 WHITE MILL 8700 25.7 11.9 216 38.4 36.5 105 WOLVERINE 7650 .0 .0 100 22.4 19.2 117 ----- ----- Basin wide percent of average 265 120 WIND RIVER BURROUGHS CREEK 8750 3.7 .8 462 26.0 23.5 111 COLD SPRINGS 9630 .0 .4 0 18.4 18.1 102 DEER PARK 9700 11.6 5.6 207 31.0 32.1 97 HOBBS PARK 10100 13.5 5.6 241 25.4 22.1 115 LITTLE WARM 9370 .1 .4 25 22.4 21.0 107 SOUTH PASS 9040 1.8 3.1 58 27.9 27.0 103 ST. LAWRENCE ALT 8620 .1 .1 100 16.9 16.3 104 TOGWOTEE PASS 9580 28.0 16.0 175 40.7 33.7 121 TOWNSEND CREEK 8700 .0 .8 0 22.4 19.8 113 ----- ----- Basin wide percent of average 179 108 BIGHORN BASIN BALD MTN. 9380 18.6 10.1 184 26.9 26.6 101 BEAR TRAP MEADOW 8200 .1 .0 19.3 15.4 125 BLACKWATER 9780 31.7 18.5 171 37.4 30.4 123 BONE SPRINGS DIV 9350 11.8 3.7 319 29.1 23.8 122 EVENING STAR 9200 -M 18.6 * 50.9 35.9 142 GRAVE SPRINGS 8550 .0 .9 0 19.2 17.1 112 KIRWIN 9550 6.2 2.2 282 23.4 18.8 124 MARQUETTE 8760 2.8 1.8 156 23.0 19.5 118 MIDDLE POWDER 7760 .1 .5 20 19.2 20.2 95 OWL CREEK 8975 .0 .2 0 13.8 12.2 113 POWDER RIVER PASS 9480 4.6 .6 767 25.9 20.9 124 SHELL CREEK 9580 -M 4.8 * 27.2 21.9 124 SYLVAN LAKE 8420 18.0 5.9 305 40.3 30.4 133 SYLVAN ROAD 7120 .2 .0 31.5 24.3 130 TIMBER CREEK 7950 .2 .1 200 19.9 15.5 128 YOUNTS PEAK 8350 3.4 1.9 179 25.9 23.1 112 ----- ----- Basin wide percent of average 210 122 SHOSHONE RIVER BLACKWATER 9780 31.7 18.5 171 37.4 30.4 123 EVENING STAR 9200 -M 18.6 * 50.9 35.9 142 KIRWIN 9550 6.2 2.2 282 23.4 18.8 124 MARQUETTE 8760 2.8 1.8 156 23.0 19.5 118 SYLVAN LAKE 8420 18.0 5.9 305 40.3 30.4 133 SYLVAN ROAD 7120 .2 .0 31.5 24.3 130 YOUNTS PEAK 8350 3.4 1.9 179 25.9 23.1 112 ----- ----- Basin wide percent of average 205 127 POWDER-TONGUE BEAR TRAP MEADOW 8200 .1 .0 19.3 15.4 125 BIG GOOSE 7990 .2 .0 23.8 17.1 139 BONE SPRINGS DIV 9350 11.8 3.7 319 29.1 23.8 122 BURGESS JUNCTION 7880 5.2 .5 1040 25.0 19.6 128 CLOUD PEAK RESERVOIR 9860 -M 3.0 * 31.6 23.1 137 DOME LAKE 8880 5.0 1.3 385 28.2 21.8 129 GRAVE SPRINGS 8550 .0 .9 0 19.2 17.1 112 HANSEN SAWMILL 8360 .3 .0 23.1 15.5 149 MIDDLE POWDER 7760 .1 .5 20 19.2 20.2 95 POWDER RIVER PASS 9480 4.6 .6 767 25.9 20.9 124 SUCKER CREEK 8880 11.1 1.0 1110 29.7 22.8 130 TIE CREEK 6870 -M .1 * 24.1 18.5 130 ----- ----- Basin wide percent of average 445 126 BELLE FOURCHE BLIND PARK 6890 .0 .0 100 20.6 19.3 107 COLE CANYON 5910 .0 .0 100 23.0 14.4 160 NORTH RAPID CREEK 6130 .0 .0 100 22.1 15.6 142 ----- ----- Basin wide percent of average * 133 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .1 0 36.3 32.9 110 DIVIDE PEAK 8880 .1 .7 14 32.0 28.2 113 ELK RIVER 8700 .3 .0 30.6 26.7 115 JOE WRIGHT 10120 -M 9.4 * -M 36.0 * NORTH FRENCH CREEK 10130 19.8 15.0 132 41.3 35.4 117 OLD BATTLE 10000 27.6 16.3 169 51.3 45.2 113 SAGE CREEK BASIN 7850 .0 .4 0 22.7 16.4 138 SOUTH BRUSH CREEK 8440 .0 .4 0 24.3 24.5 99 TOWER 10500 33.3 30.4 110 53.6 51.1 105 WEBBER SPRINGS 9250 2.1 2.0 105 40.3 35.5 114 WILLOW CREEK PASS 9540 1.8 .7 257 23.4 19.8 118 ----- ----- Basin wide percent of average 128 113 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 2.4 5.2 46 32.1 32.1 100 CASPER MTN. 7900 .0 1.6 0 29.9 25.1 119 DEADMAN HILL 10220 10.0 5.3 189 29.0 25.5 114 DEER PARK 9700 11.6 5.6 207 31.0 32.1 97 LAPRELE CREEK 8375 -M .0 * 21.3 21.1 101 RENO HILL 8400 .0 1.3 0 31.5 25.7 123 ROACH 9700 1.7 2.2 77 31.7 27.3 116 SAND LAKE 10050 27.1 15.9 170 43.0 35.4 121 SOUTH PASS 9040 1.8 3.1 58 27.9 27.0 103 WINDY PEAK 7900 -M .0 * 19.1 18.0 106 ----- ----- Basin wide percent of average 136 110 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 23.1 21.5 107 DIVIDE PEAK 8880 .1 .7 14 32.0 28.2 113 OLD BATTLE 10000 27.6 16.3 169 51.3 45.2 113 SANDSTONE RS 8150 .1 .0 28.6 25.5 112 WHISKEY PARK 8950 9.3 5.0 186 46.7 38.8 120 ----- ----- Basin wide percent of average 168 114 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100 19.7 19.4 102 BLIND BULL SUM 8650 20.8 11.1 187 24.9 28.9 86 EAST RIM DIVIDE 7930 .0 .0 100 15.5 16.8 92 ELKHART PARK G.S. 9400 .0 .0 100 16.9 19.9 85 GROS VENTRE SUMMIT 8750 .0 .0 100 19.7 18.5 106 GUNSIGHT PASS 9820 4.5 -M * 20.9 -M * KENDALL R.S. 7740 .1 .0 18.1 19.3 94 LOOMIS PARK 8240 .1 .0 23.4 23.2 101 NEW FORK LAKE 8340 .0 .0 100 13.8 16.7 83 SNIDER BASIN 8060 .3 .0 19.8 21.0 94 SPRING CREEK DIVIDE 9000 11.8 7.0 169 32.0 33.8 95 TRIPLE PEAK 8500 7.7 .0 38.9 32.8 119 ----- ----- Basin wide percent of average 180 97 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 15.7 17.7 89 HEWINTA 9519 -M .0 * 23.2 21.0 110 HICKERSON PARK 9145 .0 .0 100 14.3 13.3 108 HOLE-IN-ROCK 9150 .0 .0 100 15.3 12.9 119 INDIAN CREEK 9425 16.9 7.6 222 -M 33.3 * KELLEY R.S. 8180 .8 .0 24.4 26.9 91 STEEL CREEK PARK 10200 14.5 6.2 234 26.3 24.0 110 ----- ----- Basin wide percent of average 228 103 UPPER BEAR RIVER BUG LAKE 7950 .3 .3 100 23.4 25.9 90 HAYDEN FORK 9212 .2 .1 200 31.4 29.3 107 KELLEY R.S. 8180 .8 .0 24.4 26.9 91 LILY LAKE 9156 .5 .1 500 25.1 24.9 101 MONTE CRISTO 8960 9.9 5.4 183 33.4 34.9 96 SALT RIVER SUMMIT 7760 .0 .0 100 22.0 24.7 89 TRIAL LAKE 9992 4.5 8.0 56 32.3 34.4 94 ----- ----- Basin wide percent of average 111 96 ----------------------------------------------------------------------------- -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.