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: FEBRUARY 13 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 14.8 12.2 121 15.8 15.1 105 BLACK BEAR 8170 25.2 26.7 94 24.2 27.0 90 BLIND BULL SUM 8650 20.9 15.5 135 14.8 14.0 106 COTTONWOOD CREEK 7670 19.9 14.3 139 21.7 17.3 125 EAST RIM DIVIDE 7930 11.0 7.1 155 9.7 8.3 117 GRAND TARGHEE 9260 31.8 25.7 124 23.1 22.8 101 GRANITE CREEK 6770 13.4 11.9 113 14.5 14.7 99 GRASSY LAKE 7265 24.2 23.2 104 24.7 26.1 95 GROS VENTRE SUMMIT 8750 9.4 8.8 107 8.9 8.8 101 GUNSIGHT PASS 9820 11.7 9.1 129 11.2 9.8 114 LEWIS LAKE DIVIDE 7850 21.9 22.6 97 24.0 25.2 95 PHILLIPS BENCH 8200 19.3 17.4 111 20.0 19.9 101 SALT RIVER SUMMIT 7760 11.4 8.9 128 13.0 11.6 112 SNAKE RIVER STATION 6920 12.8 12.7 101 15.9 16.8 95 SPRING CREEK DIVIDE 9000 21.4 16.1 133 21.0 16.8 125 THUMB DIVIDE 7980 10.0 10.3 97 10.1 13.1 77 TOGWOTEE PASS 9580 19.8 16.1 123 19.6 17.2 114 TWO OCEAN PLATEAU 9240 23.6 19.2 123 18.6 19.1 97 WILLOW CREEK 8380 23.4 18.7 125 25.9 23.5 110 YOUNTS PEAK 8350 -M 10.5 * -M 11.4 * ----- ----- Basin Index (%) 117 103 MADISON-GALLATIN BLACK BEAR 8170 25.2 26.7 94 24.2 27.0 90 CANYON 7870 9.3 9.0 103 10.9 11.7 93 MADISON PLATEAU 7750 14.4 15.4 94 15.0 18.7 80 WEST YELLOWSTONE 6700 8.6 7.5 115 9.7 10.5 92 WHISKEY CREEK 6800 10.5 10.4 101 12.6 14.3 88 ----- ----- Basin Index (%) 99 88 YELLOWSTONE BEARTOOTH LAKE 9360 17.6 15.1 117 16.2 14.0 116 BURNT MTN 5880 6.7 3.2 209 13.4 8.5 158 CANYON 7870 9.3 9.0 103 10.9 11.7 93 COLE CREEK 7850 13.4 8.8 152 9.5 8.2 116 EVENING STAR 9200 24.3 17.1 142 24.9 19.7 126 FISHER CREEK 9100 25.9 22.5 115 22.6 22.5 100 NORTHEAST ENTRANCE 7350 8.7 7.2 121 9.3 9.0 103 PARKER PEAK 9400 19.3 13.9 139 17.2 12.4 139 SYLVAN LAKE 8420 15.6 13.7 114 17.8 16.0 111 THUMB DIVIDE 7980 10.0 10.3 97 10.1 13.1 77 TWO OCEAN PLATEAU 9240 23.6 19.2 123 18.6 19.1 97 WHITE MILL 8700 19.6 16.0 122 17.0 16.8 101 WOLVERINE 7650 11.9 7.7 155 10.1 8.9 113 ----- ----- Basin Index (%) 126 110 WIND RIVER BURROUGHS CREEK 8750 -M 9.2 * -M 11.3 * CASTLE CREEK 8400 6.6 -M * 8.2 -M * COLD SPRINGS 9630 7.2 4.9 147 9.0 6.6 136 DEER PARK 9700 7.5 9.6 78 11.0 13.5 81 HOBBS PARK 10100 9.1 8.3 110 8.1 8.3 98 KIRWIN 9550 10.8 6.1 177 10.1 7.8 129 LITTLE WARM 9370 8.9 7.0 127 10.5 8.8 119 OWL CREEK 8975 5.0 3.2 156 5.0 3.8 132 SOUTH PASS 9040 9.9 9.9 100 9.4 11.8 80 ST. LAWRENCE ALT 8620 3.4 4.4 77 6.2 5.7 109 TOGWOTEE PASS 9580 19.8 16.1 123 19.6 17.2 114 TOWNSEND CREEK 8700 4.7 5.7 82 5.7 7.7 74 ----- ----- Basin Index (%) 115 104 BIGHORN BASIN BALD MTN. 9380 16.6 12.3 135 12.8 11.6 110 BEAR TRAP MEADOW 8200 7.3 3.7 197 7.8 5.5 142 BONE SPRINGS DIV 9350 13.4 10.5 128 10.2 10.4 98 GRAVE SPRINGS 8550 8.1 5.4 150 8.7 7.0 124 KIRWIN 9550 10.8 6.1 177 10.1 7.8 129 MARQUETTE 8760 6.5 -M * 8.5 -M * MIDDLE POWDER 7760 11.0 6.9 159 9.7 7.9 123 OWL CREEK 8975 5.0 3.2 156 5.0 3.8 132 POWDER RIVER PASS 9480 10.4 7.0 149 10.9 8.5 128 SHELL CREEK 9580 12.1 9.9 122 10.1 9.5 106 TIMBER CREEK 7950 4.5 3.1 145 6.0 4.8 125 ----- ----- Basin Index (%) 146 119 SHOSHONE RIVER BLACKWATER 9780 20.6 15.3 135 17.8 14.3 124 EVENING STAR 9200 24.3 17.1 142 24.9 19.7 126 MARQUETTE 8760 6.5 -M * 8.5 -M * SYLVAN ROAD 7120 10.1 8.5 119 14.3 12.7 113 YOUNTS PEAK 8350 -M 10.5 * -M 11.4 * ----- ----- Basin Index (%) 134 122 POWDER RIVER BEAR TRAP MEADOW 8200 7.3 3.7 197 7.8 5.5 142 CLOUD PEAK RESERVOIR 9860 12.6 9.3 135 11.0 8.5 129 GRAVE SPRINGS 8550 8.1 5.4 150 8.7 7.0 124 HANSEN SAWMILL 8360 5.9 4.3 137 7.8 5.4 144 MIDDLE POWDER 7760 11.0 6.9 159 9.7 7.9 123 POWDER RIVER PASS 9480 10.4 7.0 149 10.9 8.5 128 SOLDIER PARK 8720 6.7 -M * 7.2 -M * ----- ----- Basin Index (%) 151 131 TONGUE RIVER BIG GOOSE 7990 6.6 5.5 120 8.7 7.1 123 BONE SPRINGS DIV 9350 13.4 10.5 128 10.2 10.4 98 BURGESS JUNCTION 7880 9.2 7.3 126 10.5 8.0 131 DOME LAKE 8880 7.9 7.6 104 7.6 9.0 84 LITTLE GOOSE 8870 7.5 -M * 9.9 -M * SUCKER CREEK 8880 10.8 7.7 140 12.0 9.4 128 TIE CREEK 6870 5.2 3.7 141 9.9 7.6 130 ----- ----- Basin Index (%) 126 114 BELLE FOURCHE COLE CANYON 5910 5.7 4.2 136 11.3 6.5 174 ----- ----- Basin Index (%) 136 174 CHEYENNE RIVER BASIN BLIND PARK 6890 7.2 5.5 131 13.7 8.4 163 NORTH RAPID CREEK 6130 7.0 5.1 137 12.6 6.9 183 ----- ----- Basin Index (%) 134 172 UPPER N. PLATTE ARAPAHO RIDGE 10960 19.2 14.4 133 18.9 15.5 122 BLACKHALL MTN 9820 25.9 -M * 26.4 -M * COLUMBINE 9160 25.2 16.7 151 -M 18.0 * DIVIDE PEAK 8880 13.6 13.8 99 17.3 15.0 115 JOE WRIGHT 10120 14.3 13.9 103 22.7 17.5 130 LAPRELE CREEK 8375 5.8 6.2 94 7.2 8.2 88 MED BOW 10500 18.3 -M * 27.3 -M * NORTH FRENCH CREEK 10130 -M 18.3 * -M 18.5 * NEVER SUMMER 10280 16.4 13.6 121 13.4 -M * OLD BATTLE 10000 24.0 21.4 112 27.5 24.6 112 RAWAH 9020 10.2 7.2 142 12.8 9.7 132 SAGE CREEK BASIN 7850 8.3 9.2 90 9.5 10.7 89 SAND LAKE 10050 22.3 18.0 124 21.6 16.5 131 SOUTH BRUSH CREEK 8440 8.6 7.9 109 11.1 10.3 108 TOWER 10500 38.2 31.4 122 27.4 28.0 98 WEBBER SPRINGS 9250 18.1 16.0 113 20.9 18.5 113 WILLOW CREEK PASS 9540 9.9 8.3 119 10.7 9.0 119 ZIRKEL 9340 28.5 20.1 142 21.5 20.8 103 ----- ----- Basin Index (%) 120 112 SWEETWATER DEER PARK 9700 7.5 9.6 78 11.0 13.5 81 LARSEN CREEK 9000 7.7 8.2 94 9.9 -M * SOUTH PASS 9040 9.9 9.9 100 9.4 11.8 80 ----- ----- Basin Index (%) 91 81 LOWER N. PLATTE CASPER MTN. 7900 -M 8.4 * -M 9.8 * LAPRELE CREEK 8375 5.8 6.2 94 7.2 8.2 88 RENO HILL 8400 11.8 8.4 140 13.9 9.8 142 WINDY PEAK 7900 4.9 4.8 102 7.4 6.9 107 ----- ----- Basin Index (%) 116 114 LARAMIE RIVER BROOKLYN LAKE 10240 20.7 13.3 156 20.2 14.0 144 CINNABAR PARK 9574 16.8 15.0 112 20.7 17.6 118 CROW CREEK 8330 6.4 6.0 107 8.1 6.9 117 DEADMAN HILL 10220 17.0 11.1 153 16.4 11.2 146 RAWAH 9020 10.2 7.2 142 12.8 9.7 132 ROACH 9700 -M 11.1 * -M 12.9 * ----- ----- Basin Index (%) 135 132 S. PLATTE BLACK MOUNTAIN 8920 8.5 -M * 9.9 -M * CROW CREEK 8330 6.4 6.0 107 8.1 6.9 117 DEADMAN HILL 10220 17.0 11.1 153 16.4 11.2 146 ----- ----- Basin Index (%) 137 135 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.8 8.1 109 13.3 10.6 125 DIVIDE PEAK 8880 13.6 13.8 99 17.3 15.0 115 ELK RIVER 8700 15.1 13.1 115 16.3 14.0 116 LITTLE SNAKE RIVER 8915 22.5 17.7 127 26.8 22.7 118 OLD BATTLE 10000 24.0 21.4 112 27.5 24.6 112 SAGE CREEK BASIN 7850 8.3 9.2 90 9.5 10.7 89 SANDSTONE RS 8150 9.8 9.4 104 14.2 13.2 108 WHISKEY PARK 8950 29.2 18.2 160 30.1 19.8 152 ----- ----- Basin Index (%) 118 119 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.8 8.8 111 9.2 9.0 102 BLIND BULL SUM 8650 20.9 15.5 135 14.8 14.0 106 EAST RIM DIVIDE 7930 11.0 7.1 155 9.7 8.3 117 ELKHART PARK G.S. 9400 11.2 8.2 137 10.4 9.2 113 GROS VENTRE SUMMIT 8750 9.4 8.8 107 8.9 8.8 101 GUNSIGHT PASS 9820 11.7 9.1 129 11.2 9.8 114 KENDALL R.S. 7740 12.2 8.7 140 13.0 10.1 129 LOOMIS PARK 8240 14.3 10.4 138 15.5 12.2 127 NEW FORK LAKE 8340 9.5 7.3 130 7.9 7.6 104 POCKET CREEK 9360 8.5 -M * 8.8 -M * SNIDER BASIN 8060 12.8 8.7 147 12.7 10.0 127 SPRING CREEK DIVIDE 9000 21.4 16.1 133 21.0 16.8 125 TRIPLE PEAK 8500 20.5 15.1 136 22.4 17.4 129 ----- ----- Basin Index (%) 133 118 LOWER GREEN RIVER BLACKS FORK JCT 8870 5.4 -M * 8.9 -M * BUCK PASTURE 9700 8.8 -M * 10.5 -M * EF BLACKS FORK GS 9360 4.2 -M * 7.1 -M * HAMS FORK 7840 10.2 8.1 126 9.3 7.9 118 HEWINTA 9519 6.0 6.7 90 9.3 9.5 98 HICKERSON PARK 9145 5.2 4.7 111 6.7 6.7 100 HOLE-IN-ROCK 9150 4.7 4.5 104 6.5 6.2 105 INDIAN CREEK 9425 18.9 16.1 117 16.5 15.4 107 KELLEY R.S. 8180 12.4 10.0 124 14.1 12.6 112 SPIRIT LK 10235 6.3 -M * 9.7 -M * STEEL CREEK PARK 10200 9.6 9.8 98 11.0 10.9 101 ----- ----- Basin Index (%) 112 106 UPPER BEAR RIVER BEAR RIVER RS 8777 5.8 -M * 8.3 -M * BUG LAKE 7950 -M 12.7 * -M 13.5 * BURTS MILLER RANCH 8000 5.1 -M * 5.0 -M * CHALK CREEK #1 8993 14.7 15.4 95 15.2 17.1 89 HAYDEN FORK 9212 9.6 10.1 95 13.6 14.4 94 KELLEY R.S. 8180 12.4 10.0 124 14.1 12.6 112 LILY LAKE 9156 9.2 8.5 108 10.6 11.7 91 MONTE CRISTO 8960 17.6 18.0 98 16.7 17.8 94 SALT RIVER SUMMIT 7760 11.4 8.9 128 13.0 11.6 112 ----- ----- Basin Index (%) 106 98 ----------------------------------------------------------------------------- -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.