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 SATURDAY: JUNE 11 , 2011 ----------------------------------------------------------------------------- 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* 37.6 27.9 135 COTTONWOOD CREEK 7670 20.9 .0 * 52.2 36.7 142 GRAND TARGHEE 9260 71.3 -M * -M -M * GRANITE CREEK 6770 2.5 .0 * 35.3 25.7 137 GRASSY LAKE 7265 -M 4.8 * 60.8 46.3 131 GROS VENTRE SUMMIT 8750 6.9 .0 * 24.0 18.5 130 GUNSIGHT PASS 9820 21.5 -M * 28.8 -M * LEWIS LAKE DIVIDE 7850 34.4 9.7 355 53.2 46.5 114 PHILLIPS BENCH 8200 29.1 7.4 393 49.4 37.6 131 SALT RIVER SUMMIT 7760 .0 .0 100* 30.7 24.7 124 SNAKE RIVER STATION 6920 -M .0 * 38.4 29.3 131 SPRING CREEK DIVIDE 9000 36.2 7.8 464 45.7 33.8 135 THUMB DIVIDE 7980 4.9 .0 * 32.4 25.6 127 TOGWOTEE PASS 9580 38.0 16.6 229 47.3 33.6 141 TWO OCEAN PLATEAU 9240 51.4 19.8 260 47.1 37.4 126 WILLOW CREEK 8380 32.4 6.5 498 61.2 43.7 140 ----- ----- Basin wide percent of average 379* 132 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 30.5 14.1 216 38.4 28.0 137 BLACK BEAR 8170 52.1 17.6 296 67.2 51.6 130 CANYON 7870 6.2 .2 3100* 28.3 21.4 132 FISHER CREEK 9100 -M 23.8 * 57.9 48.1 120 MADISON PLATEAU 7750 24.0 2.8 857 48.4 35.3 137 NORTHEAST ENTRANCE 7350 .0 .0 100* 24.6 18.5 133 PARKER PEAK 9400 37.3 12.8 291 43.2 24.3 178 SYLVAN LAKE 8420 22.0 6.4 344 44.0 30.3 145 THUMB DIVIDE 7980 4.9 .0 * 32.4 25.6 127 TWO OCEAN PLATEAU 9240 51.4 19.8 260 47.1 37.4 126 WHISKEY CREEK 6800 4.8 .0 * 37.7 28.3 133 WHITE MILL 8700 30.4 12.7 239 42.3 36.4 116 WOLVERINE 7650 -M .0 * 22.8 19.1 119 ----- ----- Basin wide percent of average 305 132 WIND RIVER BURROUGHS CREEK 8750 13.0 1.0 1300* 29.1 23.5 124 CASTLE CREEK 8400 .0 -M * 14.8 -M * COLD SPRINGS 9630 1.3 .5 260* 20.2 18.0 112 DEER PARK 9700 19.9 5.9 337 34.7 32.0 108 HOBBS PARK 10100 20.1 6.1 330 27.8 22.0 126 LITTLE WARM 9370 7.1 .4 1775* 22.9 20.9 110 SOUTH PASS 9040 11.9 3.2 372 26.3 26.9 98 ST. LAWRENCE ALT 8620 .1 .2 50* 20.2 16.2 125 TOGWOTEE PASS 9580 38.0 16.6 229 47.3 33.6 141 TOWNSEND CREEK 8700 .0 .9 0* 22.5 19.7 114 ----- ----- Basin wide percent of average 320* 118 BIGHORN BASIN BALD MTN. 9380 37.5 10.8 347 36.3 26.5 137 BEAR TRAP MEADOW 8200 .0 .0 100* 20.2 15.3 132 BLACKWATER 9780 40.4 19.1 212 42.4 30.3 140 BONE SPRINGS DIV 9350 28.5 4.0 713 31.9 23.6 135 EVENING STAR 9200 37.5 19.5 192 53.7 35.7 150 GRAVE SPRINGS 8550 .7 .9 78* 21.2 17.0 125 KIRWIN 9550 11.9 2.6 458 24.5 18.6 132 MARQUETTE 8760 8.8 -M * 20.9 19.4 108 MIDDLE POWDER 7760 .4 .6 67* 22.5 20.1 112 OWL CREEK 8975 .0 .3 0* 15.3 12.1 126 POWDER RIVER PASS 9480 15.4 .7 2200* 31.7 20.8 152 SHELL CREEK 9580 24.4 5.4 452 31.2 21.8 143 SYLVAN LAKE 8420 22.0 6.4 344 44.0 30.3 145 SYLVAN ROAD 7120 .0 .0 100* 32.8 24.2 136 TIMBER CREEK 7950 .2 .2 100* 16.6 15.4 108 YOUNTS PEAK 8350 12.7 2.3 552 26.2 23.1 113 ----- ----- Basin wide percent of average 318 133 SHOSHONE RIVER BLACKWATER 9780 40.4 19.1 212 42.4 30.3 140 EVENING STAR 9200 37.5 19.5 192 53.7 35.7 150 KIRWIN 9550 11.9 2.6 458 24.5 18.6 132 MARQUETTE 8760 8.8 -M * 20.9 19.4 108 SYLVAN LAKE 8420 22.0 6.4 344 44.0 30.3 145 SYLVAN ROAD 7120 .0 .0 100* 32.8 24.2 136 YOUNTS PEAK 8350 12.7 2.3 552 26.2 23.1 113 ----- ----- Basin wide percent of average 249 135 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 20.2 15.3 132 BIG GOOSE 7990 4.3 .0 * 25.7 17.1 150 BONE SPRINGS DIV 9350 28.5 4.0 713 31.9 23.6 135 BURGESS JUNCTION 7880 7.4 .6 1233* 26.9 19.5 138 CLOUD PEAK RESERVOIR 9860 20.5 3.3 621 31.4 23.0 137 DOME LAKE 8880 11.5 1.5 767 28.3 21.7 130 GRAVE SPRINGS 8550 .7 .9 78* 21.2 17.0 125 HANSEN SAWMILL 8360 .3 .0 * 21.3 15.4 138 LITTLE GOOSE 8870 10.0 -M * 29.1 -M * MIDDLE POWDER 7760 .4 .6 67* 22.5 20.1 112 POWDER RIVER PASS 9480 15.4 .7 2200* 31.7 20.8 152 SOLDIER PARK 8720 .0 -M * 21.7 -M * SUCKER CREEK 8880 16.4 1.2 1367* 32.6 22.7 144 TIE CREEK 6870 .1 .1 100* 26.3 18.4 143 ----- ----- Basin wide percent of average 818* 136 BELLE FOURCHE BLIND PARK 6890 .1 .0 * 29.6 19.2 154 COLE CANYON 5910 .0 .0 100* 26.3 14.3 184 NORTH RAPID CREEK 6130 .0 .0 100* 25.6 15.5 165 ----- ----- Basin wide percent of average * 166 UPPER N. PLATTE RIVER CINNABAR PARK 9574 25.5 .0 * 51.8 27.5 188 COLUMBINE 9160 4.4 .1 4400* 48.6 32.8 148 DIVIDE PEAK 8880 2.2 .9 244* 41.0 28.2 145 ELK RIVER 8700 .1 .0 * 37.7 26.7 141 JOE WRIGHT 10120 42.2 10.1 418 53.5 35.9 149 NORTH FRENCH CREEK 10130 51.4 15.8 325 -M 35.3 * OLD BATTLE 10000 48.1 17.2 280 67.2 45.1 149 SAGE CREEK BASIN 7850 .0 .5 0* 25.8 16.3 158 SOUTH BRUSH CREEK 8440 .0 .5 0* 32.9 24.4 135 TOWER 10500 70.4 31.7 222 75.5 51.0 148 WEBBER SPRINGS 9250 14.7 2.2 668* 50.9 35.4 144 WILLOW CREEK PASS 9540 6.3 .8 788* 28.7 19.7 146 ----- ----- Basin wide percent of average 332* 150 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 25.8 5.6 461 47.1 32.0 147 CASPER MTN. 7900 .1 1.8 6 23.3 25.0 93 DEADMAN HILL 10220 23.4 5.8 403 34.9 25.4 137 DEER PARK 9700 19.9 5.9 337 34.7 32.0 108 LAPRELE CREEK 8375 .0 .0 100* 22.3 21.0 106 RENO HILL 8400 .0 1.4 0* 27.6 25.6 108 ROACH 9700 6.8 2.5 272 35.7 27.3 131 SAND LAKE 10050 49.0 16.8 292 52.9 35.3 150 SOUTH PASS 9040 11.9 3.2 372 26.3 26.9 98 WINDY PEAK 7900 .0 .0 100* 20.5 18.0 114 ----- ----- Basin wide percent of average 318 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * 25.8 21.5 120 DIVIDE PEAK 8880 2.2 .9 244* 41.0 28.2 145 OLD BATTLE 10000 48.1 17.2 280 67.2 45.1 149 SANDSTONE RS 8150 .3 .0 * 37.3 25.4 147 WHISKEY PARK 8950 -M 5.6 * 59.2 38.7 153 ----- ----- Basin wide percent of average 280* 145 UPPER GREEN RIVER BIG SANDY OPENING 9080 4.1 .0 * 24.3 19.3 126 BLIND BULL SUM 8650 39.6 11.8 336 33.3 28.8 116 EAST RIM DIVIDE 7930 .0 .0 100* 20.8 16.7 125 ELKHART PARK G.S. 9400 4.5 .0 * 20.8 19.9 105 GROS VENTRE SUMMIT 8750 6.9 .0 * 24.0 18.5 130 GUNSIGHT PASS 9820 21.5 -M * 28.8 -M * KENDALL R.S. 7740 .1 .0 * 23.5 19.3 122 LOOMIS PARK 8240 6.0 .0 * 31.3 23.1 135 NEW FORK LAKE 8340 .1 .0 * 17.7 16.6 107 POCKET CREEK 9360 7.6 -M * 22.7 -M * SNIDER BASIN 8060 .0 .0 100* 27.0 20.9 129 SPRING CREEK DIVIDE 9000 36.2 7.8 464 45.7 33.8 135 TRIPLE PEAK 8500 24.0 .0 * 48.4 32.7 148 ----- ----- Basin wide percent of average 620* 127 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 23.6 17.6 134 HEWINTA 9519 .0 .0 100* 28.6 20.9 137 HICKERSON PARK 9145 .0 .0 100* 18.8 13.2 142 HOLE-IN-ROCK 9150 .2 .0 * 20.5 12.9 159 INDIAN CREEK 9425 32.1 8.3 387 39.1 33.2 118 KELLEY R.S. 8180 9.1 .0 * 34.5 26.9 128 STEEL CREEK PARK 10200 24.3 6.7 363 33.1 23.9 138 ----- ----- Basin wide percent of average 438* 133 UPPER BEAR RIVER BUG LAKE 7950 18.4 .4 4600* 42.6 25.8 165 HAYDEN FORK 9212 1.3 .2 650* 42.9 29.3 146 KELLEY R.S. 8180 9.1 .0 * 34.5 26.9 128 LILY LAKE 9156 7.7 .2 3850* 34.2 24.9 137 MONTE CRISTO 8960 43.6 6.0 727 54.7 34.9 157 SALT RIVER SUMMIT 7760 .0 .0 100* 30.7 24.7 124 TRIAL LAKE 9992 42.4 8.6 493 48.1 34.3 140 ----- ----- Basin wide percent of average 795* 143 ----------------------------------------------------------------------------- -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 1971-2000. 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.