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 12 , 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* 37.7 28.0 135 COTTONWOOD CREEK 7670 20.3 .0 * 52.2 36.7 142 GRAND TARGHEE 9260 72.7 -M * -M -M * GRANITE CREEK 6770 1.3 .0 * 35.7 25.7 139 GRASSY LAKE 7265 -M 3.9 * 60.8 46.4 131 GROS VENTRE SUMMIT 8750 6.1 .0 * 24.0 18.5 130 GUNSIGHT PASS 9820 20.9 -M * 29.0 -M * LEWIS LAKE DIVIDE 7850 33.0 8.9 371 53.3 46.6 114 PHILLIPS BENCH 8200 28.2 6.7 421 49.3 37.7 131 SALT RIVER SUMMIT 7760 .0 .0 100* 30.7 24.7 124 SNAKE RIVER STATION 6920 -M .0 * 38.7 29.3 132 SPRING CREEK DIVIDE 9000 35.4 7.0 506 45.8 33.8 136 THUMB DIVIDE 7980 3.5 .0 * 32.4 25.7 126 TOGWOTEE PASS 9580 37.4 16.0 234 47.5 33.7 141 TWO OCEAN PLATEAU 9240 50.8 19.2 265 47.2 37.5 126 WILLOW CREEK 8380 31.1 5.7 546 61.2 43.8 140 ----- ----- Basin wide percent of average 389* 132 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 30.4 13.4 227 38.5 28.1 137 BLACK BEAR 8170 51.2 16.7 307 67.2 51.7 130 CANYON 7870 5.1 .2 2550* 28.4 21.4 133 FISHER CREEK 9100 -M 23.0 * 58.0 48.2 120 MADISON PLATEAU 7750 22.8 2.3 991* 48.3 35.4 136 NORTHEAST ENTRANCE 7350 .0 .0 100* 24.6 18.6 132 PARKER PEAK 9400 36.8 12.1 304 43.4 24.4 178 SYLVAN LAKE 8420 21.4 5.9 363 44.1 30.4 145 THUMB DIVIDE 7980 3.5 .0 * 32.4 25.7 126 TWO OCEAN PLATEAU 9240 50.8 19.2 265 47.2 37.5 126 WHISKEY CREEK 6800 3.5 .0 * 37.8 28.4 133 WHITE MILL 8700 29.9 11.9 251 42.4 36.5 116 WOLVERINE 7650 -M .0 * 22.7 19.2 118 ----- ----- Basin wide percent of average 313* 132 WIND RIVER BURROUGHS CREEK 8750 12.3 .8 1538* 29.1 23.5 124 CASTLE CREEK 8400 .0 -M * 14.9 -M * COLD SPRINGS 9630 .5 .4 125* 20.2 18.1 112 DEER PARK 9700 19.4 5.6 346 34.9 32.1 109 HOBBS PARK 10100 19.7 5.6 352 27.8 22.1 126 LITTLE WARM 9370 6.0 .4 1500* 23.0 21.0 110 SOUTH PASS 9040 10.6 3.1 342 26.4 27.0 98 ST. LAWRENCE ALT 8620 .0 .1 0* 20.3 16.3 125 TOGWOTEE PASS 9580 37.4 16.0 234 47.5 33.7 141 TOWNSEND CREEK 8700 .0 .8 0* 22.6 19.8 114 ----- ----- Basin wide percent of average 323* 118 BIGHORN BASIN BALD MTN. 9380 37.1 10.1 367 36.4 26.6 137 BEAR TRAP MEADOW 8200 .0 .0 100* 20.3 15.4 132 BLACKWATER 9780 39.8 18.5 215 42.5 30.4 140 BONE SPRINGS DIV 9350 28.0 3.7 757 31.9 23.8 134 EVENING STAR 9200 36.6 18.6 197 53.8 35.9 150 GRAVE SPRINGS 8550 .4 .9 44* 21.3 17.1 125 KIRWIN 9550 11.1 2.2 505 24.6 18.8 131 MARQUETTE 8760 8.3 -M * 20.9 19.5 107 MIDDLE POWDER 7760 .1 .5 20* 22.7 20.2 112 OWL CREEK 8975 .0 .2 0* 15.3 12.2 125 POWDER RIVER PASS 9480 14.8 .6 2467* 31.8 20.9 152 SHELL CREEK 9580 23.9 4.8 498 31.2 21.9 142 SYLVAN LAKE 8420 21.4 5.9 363 44.1 30.4 145 SYLVAN ROAD 7120 .0 .0 100* 32.9 24.3 135 TIMBER CREEK 7950 .2 .1 200* 16.6 15.5 107 YOUNTS PEAK 8350 12.0 1.9 632 26.3 23.1 114 ----- ----- Basin wide percent of average 331 133 SHOSHONE RIVER BLACKWATER 9780 39.8 18.5 215 42.5 30.4 140 EVENING STAR 9200 36.6 18.6 197 53.8 35.9 150 KIRWIN 9550 11.1 2.2 505 24.6 18.8 131 MARQUETTE 8760 8.3 -M * 20.9 19.5 107 SYLVAN LAKE 8420 21.4 5.9 363 44.1 30.4 145 SYLVAN ROAD 7120 .0 .0 100* 32.9 24.3 135 YOUNTS PEAK 8350 12.0 1.9 632 26.3 23.1 114 ----- ----- Basin wide percent of average 257 134 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 20.3 15.4 132 BIG GOOSE 7990 3.1 .0 * 25.7 17.1 150 BONE SPRINGS DIV 9350 28.0 3.7 757 31.9 23.8 134 BURGESS JUNCTION 7880 6.4 .5 1280* 26.9 19.7 137 CLOUD PEAK RESERVOIR 9860 19.5 3.0 650 31.4 23.2 135 DOME LAKE 8880 10.4 1.3 800* 28.3 21.8 130 GRAVE SPRINGS 8550 .4 .9 44* 21.3 17.1 125 HANSEN SAWMILL 8360 .2 .0 * 21.3 15.5 137 LITTLE GOOSE 8870 9.2 -M * 29.2 -M * MIDDLE POWDER 7760 .1 .5 20* 22.7 20.2 112 POWDER RIVER PASS 9480 14.8 .6 2467* 31.8 20.9 152 SOLDIER PARK 8720 .0 -M * 21.6 -M * SUCKER CREEK 8880 15.6 1.0 1560* 32.7 22.8 143 TIE CREEK 6870 .1 .1 100* 26.3 18.5 142 ----- ----- Basin wide percent of average 850* 136 BELLE FOURCHE BLIND PARK 6890 .1 .0 * 29.8 19.3 154 COLE CANYON 5910 .0 .0 100* 26.3 14.4 183 NORTH RAPID CREEK 6130 .0 .0 100* 25.7 15.7 164 ----- ----- Basin wide percent of average * 166 UPPER N. PLATTE RIVER CINNABAR PARK 9574 22.4 .0 * 51.5 27.6 187 COLUMBINE 9160 1.9 .1 1900* 48.7 32.9 148 DIVIDE PEAK 8880 .7 .7 100* 41.0 28.2 145 ELK RIVER 8700 .1 .0 * 37.8 26.7 142 JOE WRIGHT 10120 41.2 9.4 438 53.6 36.0 149 NORTH FRENCH CREEK 10130 49.9 15.0 333 -M 35.4 * OLD BATTLE 10000 46.2 16.3 283 67.2 45.2 149 SAGE CREEK BASIN 7850 .0 .4 0* 25.9 16.4 158 SOUTH BRUSH CREEK 8440 .0 .4 0* 32.9 24.5 134 TOWER 10500 68.8 30.4 226 75.5 51.1 148 WEBBER SPRINGS 9250 13.5 2.0 675* 50.9 35.5 143 WILLOW CREEK PASS 9540 4.7 .7 671* 28.8 19.8 145 ----- ----- Basin wide percent of average 331* 149 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 24.7 5.2 475 47.1 32.1 147 CASPER MTN. 7900 .0 1.6 0* 23.1 25.1 92 DEADMAN HILL 10220 22.2 5.3 419 34.9 25.5 137 DEER PARK 9700 19.4 5.6 346 34.9 32.1 109 LAPRELE CREEK 8375 .0 .0 100* 22.3 21.1 106 RENO HILL 8400 .0 1.3 0* 27.6 25.7 107 ROACH 9700 5.2 2.2 236 35.7 27.3 131 SAND LAKE 10050 47.7 15.9 300 52.9 35.4 149 SOUTH PASS 9040 10.6 3.1 342 26.4 27.0 98 WINDY PEAK 7900 .0 .0 100* 20.5 18.0 114 ----- ----- Basin wide percent of average 323 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * 25.9 21.5 120 DIVIDE PEAK 8880 .7 .7 100* 41.0 28.2 145 OLD BATTLE 10000 46.2 16.3 283 67.2 45.2 149 SANDSTONE RS 8150 .3 .0 * 37.3 25.5 146 WHISKEY PARK 8950 -M 5.0 * 59.2 38.8 153 ----- ----- Basin wide percent of average 278* 145 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.2 .0 * 24.6 19.4 127 BLIND BULL SUM 8650 38.5 11.1 347 33.4 28.9 116 EAST RIM DIVIDE 7930 .0 .0 100* 20.8 16.8 124 ELKHART PARK G.S. 9400 3.6 .0 * 20.9 19.9 105 GROS VENTRE SUMMIT 8750 6.1 .0 * 24.0 18.5 130 GUNSIGHT PASS 9820 20.9 -M * 29.0 -M * KENDALL R.S. 7740 .1 .0 * 23.5 19.3 122 LOOMIS PARK 8240 5.0 .0 * 31.3 23.2 135 NEW FORK LAKE 8340 .1 .0 * 17.8 16.7 107 POCKET CREEK 9360 6.7 -M * 22.8 -M * SNIDER BASIN 8060 .0 .0 100* 27.0 21.0 129 SPRING CREEK DIVIDE 9000 35.4 7.0 506 45.8 33.8 136 TRIPLE PEAK 8500 22.7 .0 * 48.4 32.8 148 ----- ----- Basin wide percent of average 634* 127 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 23.6 17.7 133 HEWINTA 9519 .0 .0 100* 28.6 21.0 136 HICKERSON PARK 9145 .0 .0 100* 18.8 13.3 141 HOLE-IN-ROCK 9150 .2 .0 * 20.4 12.9 158 INDIAN CREEK 9425 31.0 7.6 408 39.1 33.3 117 KELLEY R.S. 8180 7.9 .0 * 34.6 26.9 129 STEEL CREEK PARK 10200 23.4 6.2 377 33.1 24.0 138 ----- ----- Basin wide percent of average 453* 133 UPPER BEAR RIVER BUG LAKE 7950 16.1 .3 5367* 42.6 25.9 164 HAYDEN FORK 9212 .4 .1 400* 42.9 29.3 146 KELLEY R.S. 8180 7.9 .0 * 34.6 26.9 129 LILY LAKE 9156 5.2 .1 5200* 34.2 24.9 137 MONTE CRISTO 8960 42.6 5.4 789 54.7 34.9 157 SALT RIVER SUMMIT 7760 .0 .0 100* 30.7 24.7 124 TRIAL LAKE 9992 40.9 8.0 511 48.1 34.4 140 ----- ----- Basin wide percent of average 814* 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.