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 7 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 8.6 7.9 109 10.0 10.8 93 BLACK BEAR 8170 17.0 19.0 89 16.8 19.5 86 BLIND BULL SUM 8650 10.6 10.1 105 8.6 10.1 85 COTTONWOOD CREEK 7670 9.3 9.0 103 10.8 12.2 89 EAST RIM DIVIDE 7930 6.1 4.8 127 5.5 6.0 92 GRAND TARGHEE 9260 21.6 19.1 113 15.7 16.6 95 GRANITE CREEK 6770 6.6 7.0 94 7.9 10.3 77 GRASSY LAKE 7265 12.9 14.2 91 14.5 18.6 78 GROS VENTRE SUMMIT 8750 6.8 6.6 103 6.1 6.6 92 GUNSIGHT PASS 9820 7.8 6.7 116 7.6 7.0 109 LEWIS LAKE DIVIDE 7850 10.7 14.5 74 13.1 18.2 72 PHILLIPS BENCH 8200 10.2 12.1 84 11.2 14.1 79 SALT RIVER SUMMIT 7760 4.9 5.3 92 7.0 8.2 85 SNAKE RIVER STATION 6920 6.8 7.4 92 9.3 12.0 78 SPRING CREEK DIVIDE 9000 9.7 10.8 90 10.2 11.9 86 THUMB DIVIDE 7980 5.7 6.8 84 6.4 9.5 67 TOGWOTEE PASS 9580 12.3 11.8 104 12.0 12.5 96 TWO OCEAN PLATEAU 9240 14.5 13.6 107 11.8 13.7 86 WILLOW CREEK 8380 12.0 12.1 99 15.4 17.0 91 YOUNTS PEAK 8350 -M 7.3 * -M 8.4 * ----- ----- Basin Index (%) 98 85 MADISON-GALLATIN BLACK BEAR 8170 17.0 19.0 89 16.8 19.5 86 CANYON 7870 5.7 6.1 93 7.2 8.5 85 MADISON PLATEAU 7750 9.1 10.8 84 10.4 13.6 76 WEST YELLOWSTONE 6700 5.0 5.3 94 6.1 7.7 79 WHISKEY CREEK 6800 6.4 7.5 85 8.5 10.6 80 ----- ----- Basin Index (%) 89 82 YELLOWSTONE BEARTOOTH LAKE 9360 11.5 10.7 107 10.0 9.9 101 BURNT MTN 5880 4.6 1.9 242 10.4 7.0 149 CANYON 7870 5.7 6.1 93 7.2 8.5 85 COLE CREEK 7850 9.7 6.5 149 7.4 6.6 112 EVENING STAR 9200 15.7 12.5 126 16.2 14.2 114 FISHER CREEK 9100 17.1 16.4 104 15.2 16.3 93 NORTHEAST ENTRANCE 7350 5.0 4.7 106 5.8 6.7 87 PARKER PEAK 9400 13.0 10.8 120 12.4 9.2 135 SYLVAN LAKE 8420 10.4 10.1 103 12.4 12.0 103 THUMB DIVIDE 7980 5.7 6.8 84 6.4 9.5 67 TWO OCEAN PLATEAU 9240 14.5 13.6 107 11.8 13.7 86 WHITE MILL 8700 12.7 11.0 115 10.8 12.2 89 WOLVERINE 7650 6.7 5.4 124 6.0 6.7 90 ----- ----- Basin Index (%) 114 100 WIND RIVER BURROUGHS CREEK 8750 -M 6.7 * -M 8.3 * CASTLE CREEK 8400 3.5 -M * 5.1 -M * COLD SPRINGS 9630 5.1 3.4 150 7.1 5.2 137 DEER PARK 9700 5.3 6.8 78 7.3 9.8 74 HOBBS PARK 10100 6.9 7.0 99 6.6 6.6 100 KIRWIN 9550 7.3 4.6 159 6.5 6.0 108 LITTLE WARM 9370 6.1 4.9 124 7.5 6.6 114 OWL CREEK 8975 3.8 2.7 141 3.9 3.0 130 SOUTH PASS 9040 6.0 6.9 87 6.2 8.9 70 ST. LAWRENCE ALT 8620 3.0 3.2 94 5.7 4.5 127 TOGWOTEE PASS 9580 12.3 11.8 104 12.0 12.5 96 TOWNSEND CREEK 8700 3.5 4.2 83 4.7 6.1 77 ----- ----- Basin Index (%) 107 98 BIGHORN BASIN BALD MTN. 9380 12.4 9.2 135 10.0 8.5 118 BEAR TRAP MEADOW 8200 5.3 2.7 196 6.2 4.4 141 BONE SPRINGS DIV 9350 9.0 7.8 115 7.0 7.6 92 GRAVE SPRINGS 8550 6.4 3.8 168 7.2 5.4 133 KIRWIN 9550 7.3 4.6 159 6.5 6.0 108 MARQUETTE 8760 4.6 -M * 6.3 -M * MIDDLE POWDER 7760 8.7 5.3 164 8.0 6.3 127 OWL CREEK 8975 3.8 2.7 141 3.9 3.0 130 POWDER RIVER PASS 9480 6.8 5.2 131 7.2 6.4 112 SHELL CREEK 9580 8.2 7.4 111 7.0 7.0 100 TIMBER CREEK 7950 3.4 2.2 155 5.0 4.0 125 ----- ----- Basin Index (%) 140 116 SHOSHONE RIVER BLACKWATER 9780 13.3 11.3 118 11.1 10.7 104 EVENING STAR 9200 15.7 12.5 126 16.2 14.2 114 MARQUETTE 8760 4.6 -M * 6.3 -M * SYLVAN ROAD 7120 6.4 6.0 107 9.8 9.7 101 YOUNTS PEAK 8350 -M 7.3 * -M 8.4 * ----- ----- Basin Index (%) 119 107 POWDER RIVER BEAR TRAP MEADOW 8200 5.3 2.7 196 6.2 4.4 141 CLOUD PEAK RESERVOIR 9860 9.0 6.6 136 8.6 6.6 130 GRAVE SPRINGS 8550 6.4 3.8 168 7.2 5.4 133 HANSEN SAWMILL 8360 4.4 3.2 138 6.1 4.2 145 MIDDLE POWDER 7760 8.7 5.3 164 8.0 6.3 127 POWDER RIVER PASS 9480 6.8 5.2 131 7.2 6.4 112 SOLDIER PARK 8720 4.2 -M * 5.8 -M * ----- ----- Basin Index (%) 151 130 TONGUE RIVER BIG GOOSE 7990 4.8 3.9 123 7.3 5.5 133 BONE SPRINGS DIV 9350 9.0 7.8 115 7.0 7.6 92 BURGESS JUNCTION 7880 6.4 5.0 128 8.0 6.2 129 DOME LAKE 8880 4.7 5.6 84 5.9 7.1 83 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 8.1 5.6 145 9.3 7.1 131 TIE CREEK 6870 3.2 2.3 139 7.6 5.9 129 ----- ----- Basin Index (%) 120 114 BELLE FOURCHE COLE CANYON 5910 3.8 2.4 158 9.8 4.8 204 ----- ----- Basin Index (%) 158 204 CHEYENNE RIVER BASIN BLIND PARK 6890 4.9 3.6 136 10.9 6.3 173 NORTH RAPID CREEK 6130 4.8 3.3 145 10.5 5.3 198 ----- ----- Basin Index (%) 141 184 UPPER N. PLATTE ARAPAHO RIDGE 10960 11.3 10.3 110 11.4 11.8 97 BLACKHALL MTN 9820 15.0 -M * 16.4 -M * COLUMBINE 9160 11.7 9.9 118 14.1 12.5 113 DIVIDE PEAK 8880 8.8 9.4 94 12.3 11.1 111 JOE WRIGHT 10120 8.3 10.1 82 13.6 13.0 105 LAPRELE CREEK 8375 3.4 4.3 79 5.6 6.2 90 MED BOW 10500 13.2 -M * 17.4 -M * NORTH FRENCH CREEK 10130 15.4 12.6 122 16.8 13.1 128 NEVER SUMMER 10280 9.8 9.7 101 9.0 -M * OLD BATTLE 10000 14.3 14.1 101 16.4 17.7 93 RAWAH 9020 6.6 5.0 132 9.3 7.9 118 SAGE CREEK BASIN 7850 5.0 6.4 78 6.9 8.1 85 SAND LAKE 10050 14.3 12.9 111 14.4 12.0 120 SOUTH BRUSH CREEK 8440 6.6 5.3 125 9.0 7.7 117 TOWER 10500 20.0 19.4 103 21.7 19.9 109 WEBBER SPRINGS 9250 10.1 10.7 94 12.5 13.4 93 WILLOW CREEK PASS 9540 6.8 5.8 117 7.6 6.9 110 ZIRKEL 9340 13.3 11.7 114 15.8 15.1 105 ----- ----- Basin Index (%) 105 106 SWEETWATER DEER PARK 9700 5.3 6.8 78 7.3 9.8 74 LARSEN CREEK 9000 2.4 -M * 5.5 -M * SOUTH PASS 9040 6.0 6.9 87 6.2 8.9 70 ----- ----- Basin Index (%) 82 72 LOWER N. PLATTE CASPER MTN. 7900 9.9 6.3 157 9.6 7.7 125 LAPRELE CREEK 8375 3.4 4.3 79 5.6 6.2 90 RENO HILL 8400 9.5 6.2 153 11.4 7.5 152 WINDY PEAK 7900 3.1 3.2 97 5.7 5.4 106 ----- ----- Basin Index (%) 130 121 LARAMIE RIVER BROOKLYN LAKE 10240 10.9 8.9 122 11.8 9.9 119 CINNABAR PARK 9574 10.4 10.2 102 12.9 12.7 102 CROW CREEK 8330 4.2 4.8 88 6.3 5.7 111 DEADMAN HILL 10220 10.4 7.5 139 10.8 8.3 130 RAWAH 9020 6.6 5.0 132 9.3 7.9 118 ROACH 9700 8.3 7.4 112 10.7 9.6 111 ----- ----- Basin Index (%) 116 114 S. PLATTE BLACK MOUNTAIN 8920 6.1 -M * 7.1 -M * CROW CREEK 8330 4.2 4.8 88 6.3 5.7 111 DEADMAN HILL 10220 10.4 7.5 139 10.8 8.3 130 ----- ----- Basin Index (%) 119 122 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.7 4.8 119 9.6 7.6 126 DIVIDE PEAK 8880 8.8 9.4 94 12.3 11.1 111 ELK RIVER 8700 9.6 7.9 122 11.5 9.9 116 LITTLE SNAKE RIVER 8915 11.3 10.2 111 16.8 16.2 104 OLD BATTLE 10000 14.3 14.1 101 16.4 17.7 93 SAGE CREEK BASIN 7850 5.0 6.4 78 6.9 8.1 85 SANDSTONE RS 8150 5.7 5.3 108 9.8 9.3 105 WHISKEY PARK 8950 16.2 10.4 156 18.4 13.3 138 ----- ----- Basin Index (%) 112 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 4.9 6.7 73 4.9 6.8 72 BLIND BULL SUM 8650 10.6 10.1 105 8.6 10.1 85 EAST RIM DIVIDE 7930 6.1 4.8 127 5.5 6.0 92 ELKHART PARK G.S. 9400 6.3 5.9 107 6.2 6.9 90 GROS VENTRE SUMMIT 8750 6.8 6.6 103 6.1 6.6 92 GUNSIGHT PASS 9820 7.8 6.7 116 7.6 7.0 109 KENDALL R.S. 7740 6.3 5.3 119 7.2 7.1 101 LOOMIS PARK 8240 6.8 6.9 99 8.1 8.8 92 NEW FORK LAKE 8340 5.0 5.0 100 4.8 5.6 86 POCKET CREEK 9360 4.5 -M * 4.6 -M * SNIDER BASIN 8060 5.5 5.8 95 6.0 7.2 83 SPRING CREEK DIVIDE 9000 9.7 10.8 90 10.2 11.9 86 TRIPLE PEAK 8500 9.1 9.1 100 10.9 12.1 90 ----- ----- Basin Index (%) 101 90 LOWER GREEN RIVER BLACKS FORK JCT 8870 2.5 -M * 5.6 -M * BUCK PASTURE 9700 4.7 -M * 7.4 -M * EF BLACKS FORK GS 9360 2.0 -M * 4.9 -M * HAMS FORK 7840 3.2 5.0 64 5.0 5.7 88 HEWINTA 9519 2.6 4.1 63 5.8 7.0 83 HICKERSON PARK 9145 3.9 3.0 130 5.3 5.2 102 HOLE-IN-ROCK 9150 3.0 3.1 97 5.0 4.9 102 INDIAN CREEK 9425 8.2 10.7 77 8.1 10.8 75 KELLEY R.S. 8180 5.3 6.7 79 7.0 9.1 77 SPIRIT LK 10235 5.1 -M * 7.8 -M * STEEL CREEK PARK 10200 5.5 6.5 85 7.4 8.0 92 ----- ----- Basin Index (%) 81 86 UPPER BEAR RIVER BEAR RIVER RS 8777 3.0 -M * 5.6 -M * BUG LAKE 7950 5.9 6.9 86 6.7 9.8 68 BURTS MILLER RANCH 8000 2.8 -M * 3.4 -M * CHALK CREEK #1 8993 8.6 10.5 82 9.8 12.6 78 HAYDEN FORK 9212 4.6 6.4 72 8.0 10.4 77 KELLEY R.S. 8180 5.3 6.7 79 7.0 9.1 77 LILY LAKE 9156 4.7 5.5 85 7.3 8.7 84 MONTE CRISTO 8960 8.2 11.4 72 8.8 12.9 68 SALT RIVER SUMMIT 7760 4.9 5.3 92 7.0 8.2 85 ----- ----- Basin Index (%) 80 76 ----------------------------------------------------------------------------- -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.