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 13 , 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* 37.9 28.1 135 COTTONWOOD CREEK 7670 19.9 .0 * 52.7 36.8 143 GRAND TARGHEE 9260 72.9 -M * -M -M * GRANITE CREEK 6770 .4 .0 * 35.8 25.8 139 GRASSY LAKE 7265 -M 2.9 * 61.2 46.5 132 GROS VENTRE SUMMIT 8750 5.8 .0 * 24.3 18.6 131 GUNSIGHT PASS 9820 21.2 -M * 29.3 -M * LEWIS LAKE DIVIDE 7850 32.7 8.0 409 53.4 46.7 114 PHILLIPS BENCH 8200 27.5 6.1 451 49.7 37.8 131 SALT RIVER SUMMIT 7760 .0 .0 100* 31.0 24.8 125 SNAKE RIVER STATION 6920 -M .0 * 39.0 29.4 133 SPRING CREEK DIVIDE 9000 34.7 6.2 560 46.2 33.9 136 THUMB DIVIDE 7980 2.8 .0 * 32.5 25.7 126 TOGWOTEE PASS 9580 37.2 15.3 243 47.8 33.8 141 TWO OCEAN PLATEAU 9240 50.7 18.6 273 47.5 37.6 126 WILLOW CREEK 8380 30.2 4.9 616 62.0 43.8 142 ----- ----- Basin wide percent of average 409* 132 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 30.4 12.8 238 38.6 28.2 137 BLACK BEAR 8170 50.9 15.9 320 67.8 51.8 131 CANYON 7870 4.5 .2 2250* 28.4 21.5 132 FISHER CREEK 9100 50.4 22.1 228 58.4 48.4 121 MADISON PLATEAU 7750 22.3 1.9 1174* 48.8 35.5 137 NORTHEAST ENTRANCE 7350 .0 .0 100* 24.9 18.7 133 PARKER PEAK 9400 36.3 11.6 313 43.4 24.5 177 SYLVAN LAKE 8420 20.7 5.4 383 44.3 30.5 145 THUMB DIVIDE 7980 2.8 .0 * 32.5 25.7 126 TWO OCEAN PLATEAU 9240 50.7 18.6 273 47.5 37.6 126 WHISKEY CREEK 6800 2.7 .0 * 37.8 28.5 133 WHITE MILL 8700 29.5 11.3 261 42.5 36.6 116 WOLVERINE 7650 .0 .0 100* 22.8 19.3 118 ----- ----- Basin wide percent of average 302 132 WIND RIVER BURROUGHS CREEK 8750 12.0 .7 1714* 29.3 23.6 124 CASTLE CREEK 8400 .0 -M * 14.9 -M * COLD SPRINGS 9630 .0 .3 0* 20.2 18.2 111 DEER PARK 9700 18.5 5.0 370 35.0 32.2 109 HOBBS PARK 10100 18.7 5.1 367 27.9 22.2 126 LITTLE WARM 9370 5.3 .3 1767* 23.1 21.0 110 SOUTH PASS 9040 9.7 2.9 334 26.4 27.0 98 ST. LAWRENCE ALT 8620 .0 .0 100* 20.4 16.4 124 TOGWOTEE PASS 9580 37.2 15.3 243 47.8 33.8 141 TOWNSEND CREEK 8700 .0 .7 0* 22.5 19.9 113 ----- ----- Basin wide percent of average 335* 118 BIGHORN BASIN BALD MTN. 9380 36.9 9.4 393 36.4 26.7 136 BEAR TRAP MEADOW 8200 .0 .0 100* 20.4 15.5 132 BLACKWATER 9780 39.3 17.8 221 42.7 30.5 140 BONE SPRINGS DIV 9350 27.4 3.4 806 32.0 23.9 134 EVENING STAR 9200 35.9 17.9 201 53.9 36.0 150 GRAVE SPRINGS 8550 .0 .7 0* 21.3 17.2 124 KIRWIN 9550 10.5 1.9 553 24.9 18.9 132 MARQUETTE 8760 7.6 -M * 21.0 19.6 107 MIDDLE POWDER 7760 .0 .4 0* 22.7 20.3 112 OWL CREEK 8975 .0 .1 0* 15.3 12.3 124 POWDER RIVER PASS 9480 14.1 .4 3525* 31.8 21.0 151 SHELL CREEK 9580 23.6 4.2 562 31.2 22.1 141 SYLVAN LAKE 8420 20.7 5.4 383 44.3 30.5 145 SYLVAN ROAD 7120 .0 .0 100* 33.0 24.4 135 TIMBER CREEK 7950 .0 .1 0* 16.7 15.6 107 YOUNTS PEAK 8350 11.2 1.7 659* 26.6 23.2 115 ----- ----- Basin wide percent of average 346* 133 SHOSHONE RIVER BLACKWATER 9780 39.3 17.8 221 42.7 30.5 140 EVENING STAR 9200 35.9 17.9 201 53.9 36.0 150 KIRWIN 9550 10.5 1.9 553 24.9 18.9 132 MARQUETTE 8760 7.6 -M * 21.0 19.6 107 SYLVAN LAKE 8420 20.7 5.4 383 44.3 30.5 145 SYLVAN ROAD 7120 .0 .0 100* 33.0 24.4 135 YOUNTS PEAK 8350 11.2 1.7 659* 26.6 23.2 115 ----- ----- Basin wide percent of average 263 135 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 20.4 15.5 132 BIG GOOSE 7990 2.0 .0 * 25.8 17.2 150 BONE SPRINGS DIV 9350 27.4 3.4 806 32.0 23.9 134 BURGESS JUNCTION 7880 5.7 .4 1425* 27.0 19.8 136 CLOUD PEAK RESERVOIR 9860 19.0 2.8 679 31.5 23.3 135 DOME LAKE 8880 9.2 1.2 767* 28.3 21.9 129 GRAVE SPRINGS 8550 .0 .7 0* 21.3 17.2 124 HANSEN SAWMILL 8360 .0 .0 100* 21.4 15.6 137 LITTLE GOOSE 8870 8.4 -M * 29.2 -M * MIDDLE POWDER 7760 .0 .4 0* 22.7 20.3 112 POWDER RIVER PASS 9480 14.1 .4 3525* 31.8 21.0 151 SOLDIER PARK 8720 .0 -M * 21.7 -M * SUCKER CREEK 8880 14.7 .9 1633* 32.7 22.9 143 TIE CREEK 6870 .0 .0 100* 26.4 18.6 142 ----- ----- Basin wide percent of average 903* 135 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 29.9 19.4 154 COLE CANYON 5910 .0 .0 100* 26.3 14.6 180 NORTH RAPID CREEK 6130 .0 .0 100* 25.7 15.8 163 ----- ----- Basin wide percent of average * 164 UPPER N. PLATTE RIVER CINNABAR PARK 9574 19.9 .0 * 46.4 27.6 168 COLUMBINE 9160 .0 .0 100* 48.6 32.9 148 DIVIDE PEAK 8880 .0 .6 0* 40.9 28.3 145 ELK RIVER 8700 .0 .0 100* 37.7 26.8 141 JOE WRIGHT 10120 39.7 8.7 456 53.5 36.1 148 NORTH FRENCH CREEK 10130 48.5 14.2 342 -M 35.5 * OLD BATTLE 10000 43.5 15.3 284 67.2 45.3 148 SAGE CREEK BASIN 7850 .0 .3 0* 25.8 16.4 157 SOUTH BRUSH CREEK 8440 .0 .3 0* 32.9 24.6 134 TOWER 10500 67.5 29.2 231 75.5 51.2 147 WEBBER SPRINGS 9250 12.2 1.7 718* 50.9 35.6 143 WILLOW CREEK PASS 9540 2.9 .6 483* 28.7 19.9 144 ----- ----- Basin wide percent of average 330* 147 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 23.5 4.7 500 47.2 32.1 147 CASPER MTN. 7900 .0 1.5 0* 23.1 25.2 92 DEADMAN HILL 10220 20.2 4.8 421 34.9 25.6 136 DEER PARK 9700 18.5 5.0 370 35.0 32.2 109 LAPRELE CREEK 8375 .0 .0 100* 22.3 21.2 105 RENO HILL 8400 .0 1.1 0* 27.5 25.8 107 ROACH 9700 3.4 2.0 170 35.7 27.4 130 SAND LAKE 10050 47.5 15.0 317 52.9 35.5 149 SOUTH PASS 9040 9.7 2.9 334 26.4 27.0 98 WINDY PEAK 7900 .0 .0 100* 20.6 18.1 114 ----- ----- Basin wide percent of average 332 121 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .0 * 25.9 21.6 120 DIVIDE PEAK 8880 .0 .6 0* 40.9 28.3 145 OLD BATTLE 10000 43.5 15.3 284 67.2 45.3 148 SANDSTONE RS 8150 .3 .0 * 37.3 25.6 146 WHISKEY PARK 8950 -M 4.4 * 59.2 38.9 152 ----- ----- Basin wide percent of average 275* 144 UPPER GREEN RIVER BIG SANDY OPENING 9080 2.5 .0 * 24.6 19.5 126 BLIND BULL SUM 8650 39.3 10.5 374 33.8 29.0 117 EAST RIM DIVIDE 7930 .0 .0 100* 20.9 16.8 124 ELKHART PARK G.S. 9400 2.8 .0 * 21.0 20.0 105 GROS VENTRE SUMMIT 8750 5.8 .0 * 24.3 18.6 131 GUNSIGHT PASS 9820 21.2 -M * 29.3 -M * KENDALL R.S. 7740 .0 .0 100* 23.7 19.4 122 LOOMIS PARK 8240 4.6 .0 * 31.5 23.2 136 NEW FORK LAKE 8340 .1 .0 * 17.6 16.8 105 POCKET CREEK 9360 6.2 -M * 22.9 -M * SNIDER BASIN 8060 .0 .0 100* 27.1 21.0 129 SPRING CREEK DIVIDE 9000 34.7 6.2 560 46.2 33.9 136 TRIPLE PEAK 8500 22.0 .0 * 48.6 32.9 148 ----- ----- Basin wide percent of average 669* 127 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 23.3 17.7 132 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 .0 .0 100* 20.4 13.0 157 INDIAN CREEK 9425 30.4 6.9 441 39.3 33.3 118 KELLEY R.S. 8180 7.3 .0 * 34.7 27.0 129 STEEL CREEK PARK 10200 22.5 5.8 388 33.1 24.1 137 ----- ----- Basin wide percent of average 474* 133 UPPER BEAR RIVER BUG LAKE 7950 14.9 .1 14900* 42.6 25.9 164 HAYDEN FORK 9212 .2 .1 200* 42.9 29.4 146 KELLEY R.S. 8180 7.3 .0 * 34.7 27.0 129 LILY LAKE 9156 8.0 .0 * 34.2 25.0 137 MONTE CRISTO 8960 41.3 4.9 843 54.7 35.0 156 SALT RIVER SUMMIT 7760 .0 .0 100* 31.0 24.8 125 TRIAL LAKE 9992 39.7 7.5 529 49.1 34.4 143 ----- ----- Basin wide percent of average 884* 144 ----------------------------------------------------------------------------- -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.