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: MAY 29 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 * 30.3 25.4 119 BLACK BEAR 8170 31.2 28.0 111 48.6 45.9 106 BLIND BULL SUM 8650 32.3 14.2 227 26.1 24.1 108 COTTONWOOD CREEK 7670 8.9 .0 * 39.4 31.1 127 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.8 121 GRAND TARGHEE 9260 43.1 40.8 106 45.0 38.2 118 GRANITE CREEK 6770 .1 .0 * 28.8 23.8 121 GRASSY LAKE 7265 11.0 8.3 133 46.5 43.3 107 GROS VENTRE SUMMIT 8750 .0 .0 * 17.5 16.8 104 GUNSIGHT PASS 9820 11.1 4.6 241 23.1 18.4 126 LEWIS LAKE DIVIDE 7850 18.6 14.6 127 47.2 42.3 112 PHILLIPS BENCH 8200 18.8 12.1 155 39.8 33.9 117 SALT RIVER SUMMIT 7760 .0 .0 * 22.2 20.6 108 SNAKE RIVER STATION 6920 .0 .0 * 30.4 27.5 111 SPRING CREEK DIVIDE 9000 24.6 13.6 181 36.8 28.9 127 THUMB DIVIDE 7980 .2 .0 * 23.8 23.6 101 TOGWOTEE PASS 9580 25.3 20.6 123 37.6 30.8 122 TWO OCEAN PLATEAU 9240 34.2 26.5 129 40.0 34.1 117 WILLOW CREEK 8380 13.3 6.4 208 47.3 42.2 112 YOUNTS PEAK 8350 -M 6.3 * -M 20.4 * ----- ----- Basin Index (%) 144 115 MADISON-GALLATIN BLACK BEAR 8170 31.2 28.0 111 48.6 45.9 106 CANYON 7870 .0 .0 * 20.9 20.7 101 MADISON PLATEAU 7750 9.7 9.0 108 30.9 32.8 94 WEST YELLOWSTONE 6700 .0 .0 * 19.6 18.3 107 WHISKEY CREEK 6800 .0 .0 * 26.5 25.3 105 ----- ----- Basin Index (%) 111* 102 YELLOWSTONE BEARTOOTH LAKE 9360 28.3 18.9 150 35.0 25.0 140 BURNT MTN 5880 .0 .0 * 26.4 20.5 129 CANYON 7870 .0 .0 * 20.9 20.7 101 COLE CREEK 7850 19.5 11.4 171 22.6 21.0 108 EVENING STAR 9200 31.3 19.8 158 46.8 34.6 135 FISHER CREEK 9100 39.8 29.2 136 47.2 39.7 119 NORTHEAST ENTRANCE 7350 .0 .0 * 19.6 16.4 120 PARKER PEAK 9400 24.8 15.9 156 35.7 23.5 152 SYLVAN LAKE 8420 8.6 9.6 90 35.4 29.0 122 THUMB DIVIDE 7980 .2 .0 * 23.8 23.6 101 TWO OCEAN PLATEAU 9240 34.2 26.5 129 40.0 34.1 117 WHITE MILL 8700 26.3 18.9 139 35.1 30.1 117 WOLVERINE 7650 .0 .0 * 21.1 16.3 129 ----- ----- Basin Index (%) 142 122 WIND RIVER BURROUGHS CREEK 8750 -M 3.4 * -M 20.8 * CASTLE CREEK 8400 .0 -M * 15.4 -M * COLD SPRINGS 9630 .0 .0 * 17.2 15.1 114 DEER PARK 9700 6.2 5.4 115 24.8 26.8 93 HOBBS PARK 10100 7.6 8.1 94 19.0 20.2 94 KIRWIN 9550 7.6 3.6 211 22.8 16.7 137 LITTLE WARM 9370 .0 .0 * 20.4 18.2 112 OWL CREEK 8975 .0 .0 * 10.1 10.5 96 SOUTH PASS 9040 1.1 .7 157* 19.3 23.4 82 ST. LAWRENCE ALT 8620 .0 .0 * 12.9 14.2 91 TOGWOTEE PASS 9580 25.3 20.6 123 37.6 30.8 122 TOWNSEND CREEK 8700 .0 .0 * 14.9 17.9 83 ----- ----- Basin Index (%) 124* 103 BIGHORN BASIN BALD MTN. 9380 24.2 15.3 158 25.7 23.2 111 BEAR TRAP MEADOW 8200 .0 .0 * 15.4 13.6 113 BONE SPRINGS DIV 9350 15.7 10.8 145 22.8 22.0 104 GRAVE SPRINGS 8550 .0 .0 * 16.1 16.0 101 KIRWIN 9550 7.6 3.6 211 22.8 16.7 137 MARQUETTE 8760 1.3 -M * 18.3 -M * MIDDLE POWDER 7760 .0 .0 * 19.2 17.1 112 OWL CREEK 8975 .0 .0 * 10.1 10.5 96 POWDER RIVER PASS 9480 4.2 .0 * 20.8 18.4 113 SHELL CREEK 9580 15.1 11.2 135 21.9 19.6 112 TIMBER CREEK 7950 .0 .0 * 14.3 13.2 108 ----- ----- Basin Index (%) 163* 111 SHOSHONE RIVER BLACKWATER 9780 26.7 21.7 123 35.0 27.1 129 EVENING STAR 9200 31.3 19.8 158 46.8 34.6 135 MARQUETTE 8760 1.3 -M * 18.3 -M * SYLVAN ROAD 7120 .0 .0 * 25.6 21.1 121 YOUNTS PEAK 8350 -M 6.3 * -M 20.4 * ----- ----- Basin Index (%) 140* 130 POWDER RIVER BEAR TRAP MEADOW 8200 .0 .0 * 15.4 13.6 113 CLOUD PEAK RESERVOIR 9860 16.7 8.4 199 27.1 20.9 130 GRAVE SPRINGS 8550 .0 .0 * 16.1 16.0 101 HANSEN SAWMILL 8360 .0 .0 * 17.2 13.9 124 MIDDLE POWDER 7760 .0 .0 * 19.2 17.1 112 POWDER RIVER PASS 9480 4.2 .0 * 20.8 18.4 113 SOLDIER PARK 8720 .0 -M * 17.5 -M * ----- ----- Basin Index (%) 249* 116 TONGUE RIVER BIG GOOSE 7990 2.5 .0 * 20.6 18.1 114 BONE SPRINGS DIV 9350 15.7 10.8 145 22.8 22.0 104 BURGESS JUNCTION 7880 6.1 1.4 436 22.3 17.8 125 DOME LAKE 8880 9.4 .0 * 23.1 20.1 115 LITTLE GOOSE 8870 4.8 -M * 23.6 -M * SUCKER CREEK 8880 7.9 2.3 343 25.8 21.2 122 TIE CREEK 6870 .0 .0 * 19.8 18.4 108 ----- ----- Basin Index (%) 287* 114 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 18.5 16.2 114 ----- ----- Basin Index (%) * 114 CHEYENNE RIVER BASIN BLIND PARK 6890 .0 .0 * 21.1 18.0 117 NORTH RAPID CREEK 6130 .0 .0 * 20.8 15.7 132 ----- ----- Basin Index (%) * 124 UPPER N. PLATTE ARAPAHO RIDGE 10960 22.6 10.2 222 35.2 29.0 121 BLACKHALL MTN 9820 27.8 -M * 44.5 -M * COLUMBINE 9160 9.7 .0 * 42.5 31.3 136 DIVIDE PEAK 8880 .0 .0 * 30.0 27.2 110 JOE WRIGHT 10120 28.2 15.7 180 43.0 33.9 127 LAPRELE CREEK 8375 .1 .0 * 18.0 17.7 102 MED BOW 10500 -M -M * 49.3 -M * NORTH FRENCH CREEK 10130 31.0 23.0 135 44.2 34.8 127 NEVER SUMMER 10280 26.9 16.6 162 28.7 -M * OLD BATTLE 10000 34.1 26.5 129 45.5 43.2 105 RAWAH 9020 .0 .0 * 25.8 19.3 134 SAGE CREEK BASIN 7850 .0 .0 * 14.7 17.8 83 SAND LAKE 10050 37.4 22.1 169 43.0 32.8 131 SOUTH BRUSH CREEK 8440 .0 .0 * 19.9 20.9 95 TOWER 10500 45.7 40.1 114 61.1 48.9 125 WEBBER SPRINGS 9250 10.9 1.1 991* 37.3 32.8 114 WILLOW CREEK PASS 9540 5.6 1.9 295 21.3 18.2 117 ZIRKEL 9340 18.0 .0 * 48.9 33.8 145 ----- ----- Basin Index (%) 172* 120 SWEETWATER DEER PARK 9700 6.2 5.4 115 24.8 26.8 93 LARSEN CREEK 9000 .0 .9 0* 18.0 -M * SOUTH PASS 9040 1.1 .7 157* 19.3 23.4 82 ----- ----- Basin Index (%) 104* 88 LOWER N. PLATTE CASPER MTN. 7900 .3 .0 * 21.7 21.4 101 LAPRELE CREEK 8375 .1 .0 * 18.0 17.7 102 RENO HILL 8400 6.3 .0 * 28.8 22.4 129 WINDY PEAK 7900 .0 .0 * 17.7 15.8 112 ----- ----- Basin Index (%) * 112 LARAMIE RIVER BROOKLYN LAKE 10240 20.4 8.0 255 38.6 28.1 137 CINNABAR PARK 9574 17.2 3.7 465 37.6 30.1 125 CROW CREEK 8330 .0 .0 * 18.7 15.9 118 DEADMAN HILL 10220 19.9 10.3 193 31.7 23.8 133 RAWAH 9020 .0 .0 * 25.8 19.3 134 ROACH 9700 10.6 3.9 272 32.8 25.4 129 ----- ----- Basin Index (%) 263 130 S. PLATTE BLACK MOUNTAIN 8920 .1 -M * 20.2 -M * CROW CREEK 8330 .0 .0 * 18.7 15.9 118 DEADMAN HILL 10220 19.9 10.3 193 31.7 23.8 133 ----- ----- Basin Index (%) 193* 127 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 * 20.4 19.1 107 DIVIDE PEAK 8880 .0 .0 * 30.0 27.2 110 ELK RIVER 8700 .1 .0 * 28.1 25.2 112 LITTLE SNAKE RIVER 8915 -M 4.1 * -M 35.9 * OLD BATTLE 10000 34.1 26.5 129 45.5 43.2 105 SAGE CREEK BASIN 7850 .0 .0 * 14.7 17.8 83 SANDSTONE RS 8150 -M .0 * 21.2 23.1 92 WHISKEY PARK 8950 17.0 10.2 167 47.1 34.6 136 ----- ----- Basin Index (%) 140* 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 .4 .0 * 17.1 17.7 97 BLIND BULL SUM 8650 32.3 14.2 227 26.1 24.1 108 EAST RIM DIVIDE 7930 .0 .0 * 17.9 14.8 121 ELKHART PARK G.S. 9400 4.9 1.0 490* 20.8 17.6 118 GROS VENTRE SUMMIT 8750 .0 .0 * 17.5 16.8 104 GUNSIGHT PASS 9820 11.1 4.6 241 23.1 18.4 126 KENDALL R.S. 7740 .0 .0 * 25.3 17.4 145 LOOMIS PARK 8240 3.5 .0 * 27.8 21.3 131 NEW FORK LAKE 8340 .0 .0 * 15.8 14.3 110 POCKET CREEK 9360 1.3 -M * 15.4 -M * SNIDER BASIN 8060 .0 .0 * 23.1 17.4 133 SPRING CREEK DIVIDE 9000 24.6 13.6 181 36.8 28.9 127 TRIPLE PEAK 8500 11.0 .1 11000* 41.3 31.2 132 ----- ----- Basin Index (%) 262* 122 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 16.8 -M * BUCK PASTURE 9700 .0 -M * 21.5 -M * EF BLACKS FORK GS 9360 .0 -M * 14.2 -M * HAMS FORK 7840 .0 .0 * 17.0 15.0 113 HEWINTA 9519 .0 .0 * 18.7 18.4 102 HICKERSON PARK 9145 .0 .0 * 12.7 14.2 89 HOLE-IN-ROCK 9150 .0 .0 * 13.9 13.7 101 INDIAN CREEK 9425 16.5 12.6 131 31.1 27.8 112 KELLEY R.S. 8180 .0 .0 * 23.7 22.6 105 SPIRIT LK 10235 .0 -M * 19.3 -M * STEEL CREEK PARK 10200 11.0 10.5 105 21.4 21.7 99 ----- ----- Basin Index (%) 119* 104 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 15.8 -M * BUG LAKE 7950 .0 .0 * 24.5 24.3 101 BURTS MILLER RANCH 8000 .0 -M * 8.9 -M * CHALK CREEK #1 8993 2.6 8.1 32 27.8 31.7 88 HAYDEN FORK 9212 .0 .0 * 25.7 26.6 97 KELLEY R.S. 8180 .0 .0 * 23.7 22.6 105 LILY LAKE 9156 .0 .0 * 19.3 22.1 87 MONTE CRISTO 8960 4.7 6.3 75 30.9 32.5 95 SALT RIVER SUMMIT 7760 .0 .0 * 22.2 20.6 108 ----- ----- Basin Index (%) 51* 97 ----------------------------------------------------------------------------- -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. ---------------------------------------------------------------------------- -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.