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 TUESDAY: JANUARY 14 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 10.6 9.3 114 11.7 11.9 98 BLACK BEAR 8170 20.2 20.4 99 19.4 21.0 92 BLIND BULL SUM 8650 14.1 12.0 118 10.4 11.0 95 COTTONWOOD CREEK 7670 12.6 10.0 126 14.2 13.6 104 EAST RIM DIVIDE 7930 7.2 5.4 133 6.2 6.6 94 GRAND TARGHEE 9260 24.1 21.0 115 17.8 17.8 100 GRANITE CREEK 6770 7.8 8.2 95 9.1 11.5 79 GRASSY LAKE 7265 17.0 16.2 105 18.5 20.2 92 GROS VENTRE SUMMIT 8750 7.6 7.4 103 6.8 7.1 96 GUNSIGHT PASS 9820 8.7 7.2 121 8.5 7.7 110 LEWIS LAKE DIVIDE 7850 14.2 16.1 88 17.1 19.8 86 PHILLIPS BENCH 8200 12.7 14.2 89 13.5 15.5 87 SALT RIVER SUMMIT 7760 7.3 6.0 122 9.0 9.0 100 SNAKE RIVER STATION 6920 9.0 8.8 102 11.7 13.1 89 SPRING CREEK DIVIDE 9000 13.5 11.6 116 13.6 13.2 103 THUMB DIVIDE 7980 7.4 7.8 95 7.8 10.4 75 TOGWOTEE PASS 9580 14.6 12.8 114 14.0 13.7 102 TWO OCEAN PLATEAU 9240 18.0 15.3 118 14.4 15.0 96 WILLOW CREEK 8380 15.5 13.6 114 18.7 18.5 101 YOUNTS PEAK 8350 -M 8.2 * -M 9.1 * ----- ----- Basin Index (%) 108 94 MADISON-GALLATIN BLACK BEAR 8170 20.2 20.4 99 19.4 21.0 92 CANYON 7870 7.0 7.0 100 8.5 9.1 93 MADISON PLATEAU 7750 11.2 11.8 95 12.2 14.8 82 WEST YELLOWSTONE 6700 6.4 6.0 107 7.4 8.2 90 WHISKEY CREEK 6800 8.0 8.2 98 10.0 11.4 88 ----- ----- Basin Index (%) 99 89 YELLOWSTONE BEARTOOTH LAKE 9360 13.7 12.1 113 12.1 10.9 111 BURNT MTN 5880 4.8 2.0 240 10.6 7.3 145 CANYON 7870 7.0 7.0 100 8.5 9.1 93 COLE CREEK 7850 10.9 7.0 156 7.6 6.9 110 EVENING STAR 9200 19.5 13.8 141 19.9 15.5 128 FISHER CREEK 9100 20.9 17.8 117 18.0 17.7 102 NORTHEAST ENTRANCE 7350 6.3 5.1 124 7.0 7.1 99 PARKER PEAK 9400 15.4 11.3 136 14.0 9.8 143 SYLVAN LAKE 8420 12.4 11.0 113 14.6 12.9 113 THUMB DIVIDE 7980 7.4 7.8 95 7.8 10.4 75 TWO OCEAN PLATEAU 9240 18.0 15.3 118 14.4 15.0 96 WHITE MILL 8700 15.4 12.3 125 13.2 13.3 99 WOLVERINE 7650 8.5 5.8 147 7.0 7.2 97 ----- ----- Basin Index (%) 125 108 WIND RIVER BURROUGHS CREEK 8750 -M 7.2 * -M 9.1 * CASTLE CREEK 8400 3.9 -M * 5.6 -M * COLD SPRINGS 9630 5.3 3.8 139 7.0 5.6 125 DEER PARK 9700 5.6 7.1 79 7.5 10.7 70 HOBBS PARK 10100 7.5 7.2 104 6.7 6.9 97 KIRWIN 9550 8.0 5.2 154 7.3 6.5 112 LITTLE WARM 9370 6.7 5.4 124 8.0 7.1 113 OWL CREEK 8975 3.8 2.9 131 3.9 3.2 122 SOUTH PASS 9040 6.4 7.5 85 6.5 9.6 68 ST. LAWRENCE ALT 8620 2.8 3.4 82 5.7 4.7 121 TOGWOTEE PASS 9580 14.6 12.8 114 14.0 13.7 102 TOWNSEND CREEK 8700 3.7 4.3 86 4.8 6.4 75 ----- ----- Basin Index (%) 108 96 BIGHORN BASIN BALD MTN. 9380 13.7 9.8 140 10.5 9.3 113 BEAR TRAP MEADOW 8200 5.6 2.8 200 6.4 4.6 139 BONE SPRINGS DIV 9350 10.6 8.4 126 8.2 8.3 99 GRAVE SPRINGS 8550 6.7 4.3 156 7.3 5.7 128 KIRWIN 9550 8.0 5.2 154 7.3 6.5 112 MARQUETTE 8760 4.8 -M * 6.7 -M * MIDDLE POWDER 7760 8.9 5.8 153 8.1 6.6 123 OWL CREEK 8975 3.8 2.9 131 3.9 3.2 122 POWDER RIVER PASS 9480 8.0 5.7 140 8.4 6.8 124 SHELL CREEK 9580 9.6 8.0 120 8.1 7.5 108 TIMBER CREEK 7950 3.3 2.4 138 5.0 4.2 119 ----- ----- Basin Index (%) 141 117 SHOSHONE RIVER BLACKWATER 9780 15.6 12.7 123 13.3 11.5 116 EVENING STAR 9200 19.5 13.8 141 19.9 15.5 128 MARQUETTE 8760 4.8 -M * 6.7 -M * SYLVAN ROAD 7120 7.6 6.4 119 11.3 10.5 108 YOUNTS PEAK 8350 -M 8.2 * -M 9.1 * ----- ----- Basin Index (%) 130 119 POWDER RIVER BEAR TRAP MEADOW 8200 5.6 2.8 200 6.4 4.6 139 CLOUD PEAK RESERVOIR 9860 10.1 7.1 142 9.1 7.0 130 GRAVE SPRINGS 8550 6.7 4.3 156 7.3 5.7 128 HANSEN SAWMILL 8360 4.7 3.5 134 6.4 4.5 142 MIDDLE POWDER 7760 8.9 5.8 153 8.1 6.6 123 POWDER RIVER PASS 9480 8.0 5.7 140 8.4 6.8 124 SOLDIER PARK 8720 4.5 -M * 6.0 -M * ----- ----- Basin Index (%) 151 130 TONGUE RIVER BIG GOOSE 7990 5.1 4.2 121 7.5 5.8 129 BONE SPRINGS DIV 9350 10.6 8.4 126 8.2 8.3 99 BURGESS JUNCTION 7880 7.1 5.5 129 8.1 6.6 123 DOME LAKE 8880 5.7 5.9 97 6.1 7.4 82 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 8.7 6.2 140 9.6 7.6 126 TIE CREEK 6870 3.5 2.5 140 8.0 6.3 127 ----- ----- Basin Index (%) 124 113 BELLE FOURCHE COLE CANYON 5910 4.2 2.6 162 10.1 5.1 198 ----- ----- Basin Index (%) 162 198 CHEYENNE RIVER BASIN BLIND PARK 6890 6.0 4.0 150 12.1 6.8 178 NORTH RAPID CREEK 6130 5.5 3.6 153 11.1 5.6 198 ----- ----- Basin Index (%) 151 187 UPPER N. PLATTE ARAPAHO RIDGE 10960 13.5 11.0 123 13.4 12.8 105 BLACKHALL MTN 9820 18.5 -M * 19.8 -M * COLUMBINE 9160 15.8 12.1 131 17.3 13.9 124 DIVIDE PEAK 8880 10.5 10.1 104 14.1 11.8 119 JOE WRIGHT 10120 9.2 10.9 84 15.8 13.9 114 LAPRELE CREEK 8375 4.1 4.7 87 5.9 6.6 89 MED BOW 10500 15.0 -M * 20.2 -M * NORTH FRENCH CREEK 10130 17.7 13.7 129 18.9 14.4 131 NEVER SUMMER 10280 11.6 10.4 112 10.2 -M * OLD BATTLE 10000 17.1 15.4 111 19.9 19.2 104 RAWAH 9020 7.1 5.3 134 9.9 8.4 118 SAGE CREEK BASIN 7850 6.0 7.1 85 7.7 8.6 90 SAND LAKE 10050 16.7 14.2 118 16.6 13.0 128 SOUTH BRUSH CREEK 8440 7.1 6.0 118 9.5 8.3 114 TOWER 10500 24.9 22.0 113 25.9 21.8 119 WEBBER SPRINGS 9250 12.5 11.7 107 14.9 14.5 103 WILLOW CREEK PASS 9540 7.7 6.2 124 8.6 7.3 118 ZIRKEL 9340 17.6 15.3 115 19.6 16.5 119 ----- ----- Basin Index (%) 113 114 SWEETWATER DEER PARK 9700 5.6 7.1 79 7.5 10.7 70 LARSEN CREEK 9000 3.8 -M * 6.2 -M * SOUTH PASS 9040 6.4 7.5 85 6.5 9.6 68 ----- ----- Basin Index (%) 82 69 LOWER N. PLATTE CASPER MTN. 7900 10.5 6.7 157 9.6 8.1 119 LAPRELE CREEK 8375 4.1 4.7 87 5.9 6.6 89 RENO HILL 8400 9.7 6.5 149 11.4 7.9 144 WINDY PEAK 7900 3.2 3.5 91 5.8 5.7 102 ----- ----- Basin Index (%) 129 116 LARAMIE RIVER BROOKLYN LAKE 10240 13.8 10.4 133 13.7 10.8 127 CINNABAR PARK 9574 12.9 11.5 112 15.1 14.2 106 CROW CREEK 8330 4.4 4.9 90 6.4 6.0 107 DEADMAN HILL 10220 11.8 8.0 148 11.5 8.9 129 RAWAH 9020 7.1 5.3 134 9.9 8.4 118 ROACH 9700 9.1 8.5 107 11.5 10.3 112 ----- ----- Basin Index (%) 122 116 S. PLATTE BLACK MOUNTAIN 8920 6.5 -M * 7.7 -M * CROW CREEK 8330 4.4 4.9 90 6.4 6.0 107 DEADMAN HILL 10220 11.8 8.0 148 11.5 8.9 129 ----- ----- Basin Index (%) 126 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.7 5.3 126 10.9 8.3 131 DIVIDE PEAK 8880 10.5 10.1 104 14.1 11.8 119 ELK RIVER 8700 11.7 8.9 131 13.1 10.9 120 LITTLE SNAKE RIVER 8915 15.4 12.1 127 20.4 17.8 115 OLD BATTLE 10000 17.1 15.4 111 19.9 19.2 104 SAGE CREEK BASIN 7850 6.0 7.1 85 7.7 8.6 90 SANDSTONE RS 8150 7.2 6.4 112 11.3 10.2 111 WHISKEY PARK 8950 21.1 12.4 170 22.8 14.9 153 ----- ----- Basin Index (%) 123 118 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.0 7.0 86 5.6 7.3 77 BLIND BULL SUM 8650 14.1 12.0 118 10.4 11.0 95 EAST RIM DIVIDE 7930 7.2 5.4 133 6.2 6.6 94 ELKHART PARK G.S. 9400 7.2 6.2 116 6.7 7.4 91 GROS VENTRE SUMMIT 8750 7.6 7.4 103 6.8 7.1 96 GUNSIGHT PASS 9820 8.7 7.2 121 8.5 7.7 110 KENDALL R.S. 7740 7.3 6.4 114 8.4 7.9 106 LOOMIS PARK 8240 8.6 7.6 113 9.9 9.6 103 NEW FORK LAKE 8340 5.9 5.4 109 5.1 6.1 84 POCKET CREEK 9360 4.9 -M * 5.2 -M * SNIDER BASIN 8060 7.8 6.3 124 8.0 7.9 101 SPRING CREEK DIVIDE 9000 13.5 11.6 116 13.6 13.2 103 TRIPLE PEAK 8500 13.2 11.1 119 15.2 13.5 113 ----- ----- Basin Index (%) 114 99 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.7 -M * 6.8 -M * BUCK PASTURE 9700 6.5 -M * 8.7 -M * EF BLACKS FORK GS 9360 3.3 -M * 6.1 -M * HAMS FORK 7840 5.4 5.6 96 6.0 6.3 95 HEWINTA 9519 3.8 4.8 79 7.2 7.4 97 HICKERSON PARK 9145 4.5 3.2 141 6.0 5.5 109 HOLE-IN-ROCK 9150 3.6 3.3 109 5.6 5.2 108 INDIAN CREEK 9425 10.9 11.9 92 10.2 12.0 85 KELLEY R.S. 8180 7.5 7.3 103 9.2 10.0 92 SPIRIT LK 10235 5.6 -M * 8.5 -M * STEEL CREEK PARK 10200 7.2 7.2 100 8.8 8.6 102 ----- ----- Basin Index (%) 99 96 UPPER BEAR RIVER BEAR RIVER RS 8777 4.1 -M * 6.7 -M * BUG LAKE 7950 8.2 8.3 99 8.6 10.6 81 BURTS MILLER RANCH 8000 3.3 -M * 3.8 -M * CHALK CREEK #1 8993 10.7 11.4 94 11.6 13.5 86 HAYDEN FORK 9212 6.6 6.9 96 10.2 11.3 90 KELLEY R.S. 8180 7.5 7.3 103 9.2 10.0 92 LILY LAKE 9156 6.9 6.3 110 8.5 9.2 92 MONTE CRISTO 8960 11.2 13.3 84 11.1 14.0 79 SALT RIVER SUMMIT 7760 7.3 6.0 122 9.0 9.0 100 ----- ----- Basin Index (%) 98 88 ----------------------------------------------------------------------------- -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.