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 SUNDAY: JANUARY 5 , 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 7.7 112 9.9 10.6 93 BLACK BEAR 8170 17.0 18.6 91 16.5 19.1 86 BLIND BULL SUM 8650 10.5 9.6 109 8.6 9.9 87 COTTONWOOD CREEK 7670 9.2 8.8 105 10.8 11.9 91 EAST RIM DIVIDE 7930 5.9 4.6 128 5.4 5.8 93 GRAND TARGHEE 9260 21.5 18.3 117 15.5 15.5 100 GRANITE CREEK 6770 6.6 6.8 97 7.9 10.1 78 GRASSY LAKE 7265 12.9 13.7 94 14.5 18.2 80 GROS VENTRE SUMMIT 8750 6.8 6.4 106 6.0 6.4 94 GUNSIGHT PASS 9820 7.7 6.5 118 7.4 6.8 109 LEWIS LAKE DIVIDE 7850 10.6 14.0 76 13.1 17.9 73 PHILLIPS BENCH 8200 10.2 11.7 87 11.2 13.8 81 SALT RIVER SUMMIT 7760 5.0 5.2 96 7.0 8.0 88 SNAKE RIVER STATION 6920 6.8 7.2 94 9.3 11.7 79 SPRING CREEK DIVIDE 9000 9.7 10.7 91 10.1 11.6 87 THUMB DIVIDE 7980 5.6 6.6 85 6.3 9.4 67 TOGWOTEE PASS 9580 12.3 11.6 106 11.9 12.1 98 TWO OCEAN PLATEAU 9240 14.5 13.1 111 11.8 13.4 88 WILLOW CREEK 8380 11.9 11.6 103 15.3 16.5 93 YOUNTS PEAK 8350 -M 7.2 * -M 8.2 * ----- ----- Basin Index (%) 100 87 MADISON-GALLATIN BLACK BEAR 8170 17.0 18.6 91 16.5 19.1 86 CANYON 7870 5.7 5.9 97 7.1 8.3 86 MADISON PLATEAU 7750 9.1 10.6 86 10.4 13.3 78 WEST YELLOWSTONE 6700 4.8 5.0 96 6.0 7.5 80 WHISKEY CREEK 6800 6.4 7.2 89 8.4 10.4 81 ----- ----- Basin Index (%) 91 83 YELLOWSTONE BEARTOOTH LAKE 9360 11.4 10.4 110 9.7 9.7 100 BURNT MTN 5880 4.3 1.9 226 9.7 6.9 141 CANYON 7870 5.7 5.9 97 7.1 8.3 86 COLE CREEK 7850 9.2 6.4 144 6.9 6.6 105 EVENING STAR 9200 15.6 12.3 127 16.1 13.9 116 FISHER CREEK 9100 17.1 16.0 107 15.0 15.9 94 NORTHEAST ENTRANCE 7350 5.0 4.6 109 5.8 6.5 89 PARKER PEAK 9400 13.0 10.5 124 12.1 9.0 134 SYLVAN LAKE 8420 10.4 9.7 107 12.3 11.7 105 THUMB DIVIDE 7980 5.6 6.6 85 6.3 9.4 67 TWO OCEAN PLATEAU 9240 14.5 13.1 111 11.8 13.4 88 WHITE MILL 8700 12.7 10.6 120 10.7 11.9 90 WOLVERINE 7650 6.7 5.2 129 5.7 6.5 88 ----- ----- Basin Index (%) 116 100 WIND RIVER BURROUGHS CREEK 8750 -M 6.5 * -M 8.1 * CASTLE CREEK 8400 3.4 -M * 4.9 -M * COLD SPRINGS 9630 4.8 3.3 145 6.8 5.1 133 DEER PARK 9700 5.0 6.7 75 6.8 9.6 71 HOBBS PARK 10100 6.7 6.9 97 5.9 6.4 92 KIRWIN 9550 7.2 4.5 160 6.1 5.9 103 LITTLE WARM 9370 6.0 4.8 125 7.2 6.4 112 OWL CREEK 8975 3.6 2.7 133 3.5 3.0 117 SOUTH PASS 9040 5.8 6.9 84 5.8 8.7 67 ST. LAWRENCE ALT 8620 2.4 3.2 75 4.6 4.4 105 TOGWOTEE PASS 9580 12.3 11.6 106 11.9 12.1 98 TOWNSEND CREEK 8700 3.0 4.2 71 3.7 6.0 62 ----- ----- Basin Index (%) 104 92 BIGHORN BASIN BALD MTN. 9380 12.0 9.0 133 9.4 8.3 113 BEAR TRAP MEADOW 8200 4.9 2.6 188 5.6 4.3 130 BONE SPRINGS DIV 9350 8.8 7.6 116 6.6 7.5 88 GRAVE SPRINGS 8550 6.1 3.7 165 6.9 5.3 130 KIRWIN 9550 7.2 4.5 160 6.1 5.9 103 MARQUETTE 8760 4.4 -M * 6.0 -M * MIDDLE POWDER 7760 8.3 5.2 160 7.5 6.2 121 OWL CREEK 8975 3.6 2.7 133 3.5 3.0 117 POWDER RIVER PASS 9480 6.7 5.1 131 6.8 6.2 110 SHELL CREEK 9580 8.1 7.4 109 6.8 6.8 100 TIMBER CREEK 7950 3.2 2.2 145 4.8 4.0 120 ----- ----- Basin Index (%) 138 111 SHOSHONE RIVER BLACKWATER 9780 13.0 11.0 118 10.7 10.4 103 EVENING STAR 9200 15.6 12.3 127 16.1 13.9 116 MARQUETTE 8760 4.4 -M * 6.0 -M * SYLVAN ROAD 7120 6.3 5.9 107 9.7 9.5 102 YOUNTS PEAK 8350 -M 7.2 * -M 8.2 * ----- ----- Basin Index (%) 120 108 POWDER RIVER BEAR TRAP MEADOW 8200 4.9 2.6 188 5.6 4.3 130 CLOUD PEAK RESERVOIR 9860 8.2 6.5 126 8.0 6.5 123 GRAVE SPRINGS 8550 6.1 3.7 165 6.9 5.3 130 HANSEN SAWMILL 8360 4.0 3.2 125 5.9 4.2 140 MIDDLE POWDER 7760 8.3 5.2 160 7.5 6.2 121 POWDER RIVER PASS 9480 6.7 5.1 131 6.8 6.2 110 SOLDIER PARK 8720 3.7 -M * 5.5 -M * ----- ----- Basin Index (%) 145 124 TONGUE RIVER BIG GOOSE 7990 4.4 3.8 116 6.6 5.5 120 BONE SPRINGS DIV 9350 8.8 7.6 116 6.6 7.5 88 BURGESS JUNCTION 7880 6.3 4.9 129 7.3 6.1 120 DOME LAKE 8880 4.1 5.6 73 5.6 7.0 80 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 7.9 5.5 144 8.7 7.0 124 TIE CREEK 6870 2.9 2.2 132 7.2 5.8 124 ----- ----- Basin Index (%) 116 108 BELLE FOURCHE COLE CANYON 5910 3.6 2.3 157 9.6 4.7 204 ----- ----- Basin Index (%) 157 204 CHEYENNE RIVER BASIN BLIND PARK 6890 4.7 3.5 134 10.8 6.2 174 NORTH RAPID CREEK 6130 4.6 3.3 139 10.0 5.2 192 ----- ----- Basin Index (%) 137 182 UPPER N. PLATTE ARAPAHO RIDGE 10960 11.0 10.0 110 11.0 11.4 96 BLACKHALL MTN 9820 14.7 -M * 16.1 -M * COLUMBINE 9160 11.1 9.4 118 13.3 12.2 109 DIVIDE PEAK 8880 8.6 9.1 95 11.9 10.8 110 JOE WRIGHT 10120 8.2 9.8 84 13.3 12.6 106 LAPRELE CREEK 8375 3.2 4.1 78 5.3 6.1 87 MED BOW 10500 13.0 -M * 16.9 -M * NORTH FRENCH CREEK 10130 15.2 12.3 124 16.4 12.7 129 NEVER SUMMER 10280 9.7 9.3 104 8.9 -M * OLD BATTLE 10000 14.0 13.5 104 16.0 17.2 93 RAWAH 9020 6.4 4.9 131 9.1 7.7 118 SAGE CREEK BASIN 7850 4.8 6.3 76 6.8 7.9 86 SAND LAKE 10050 14.0 12.6 111 14.0 11.7 120 SOUTH BRUSH CREEK 8440 6.4 5.2 123 8.8 7.5 117 TOWER 10500 19.7 19.1 103 21.3 19.3 110 WEBBER SPRINGS 9250 9.8 10.3 95 12.2 13.1 93 WILLOW CREEK PASS 9540 6.8 5.7 119 7.5 6.7 112 ZIRKEL 9340 12.7 11.0 115 15.2 14.4 106 ----- ----- Basin Index (%) 106 106 SWEETWATER DEER PARK 9700 5.0 6.7 75 6.8 9.6 71 LARSEN CREEK 9000 2.2 -M * 5.3 -M * SOUTH PASS 9040 5.8 6.9 84 5.8 8.7 67 ----- ----- Basin Index (%) 79 69 LOWER N. PLATTE CASPER MTN. 7900 9.9 6.2 160 9.4 7.6 124 LAPRELE CREEK 8375 3.2 4.1 78 5.3 6.1 87 RENO HILL 8400 9.4 6.0 157 10.9 7.3 149 WINDY PEAK 7900 2.9 3.1 94 5.7 5.3 108 ----- ----- Basin Index (%) 131 119 LARAMIE RIVER BROOKLYN LAKE 10240 10.6 8.5 125 11.1 9.7 114 CINNABAR PARK 9574 10.3 9.7 106 12.1 12.2 99 CROW CREEK 8330 3.9 4.7 83 6.0 5.7 105 DEADMAN HILL 10220 10.1 7.4 136 10.1 8.1 125 RAWAH 9020 6.4 4.9 131 9.1 7.7 118 ROACH 9700 8.1 7.2 112 10.2 9.3 110 ----- ----- Basin Index (%) 117 111 S. PLATTE BLACK MOUNTAIN 8920 5.7 -M * 6.6 -M * CROW CREEK 8330 3.9 4.7 83 6.0 5.7 105 DEADMAN HILL 10220 10.1 7.4 136 10.1 8.1 125 ----- ----- Basin Index (%) 116 117 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.6 4.6 122 9.5 7.4 128 DIVIDE PEAK 8880 8.6 9.1 95 11.9 10.8 110 ELK RIVER 8700 9.3 7.5 124 11.3 9.6 118 LITTLE SNAKE RIVER 8915 11.3 9.7 116 16.1 15.5 104 OLD BATTLE 10000 14.0 13.5 104 16.0 17.2 93 SAGE CREEK BASIN 7850 4.8 6.3 76 6.8 7.9 86 SANDSTONE RS 8150 5.6 4.9 114 9.7 9.1 107 WHISKEY PARK 8950 15.9 10.0 159 17.7 12.8 138 ----- ----- Basin Index (%) 114 110 UPPER GREEN RIVER BIG SANDY OPENING 9080 4.9 6.4 77 4.8 6.6 73 BLIND BULL SUM 8650 10.5 9.6 109 8.6 9.9 87 EAST RIM DIVIDE 7930 5.9 4.6 128 5.4 5.8 93 ELKHART PARK G.S. 9400 6.0 5.8 103 5.9 6.7 88 GROS VENTRE SUMMIT 8750 6.8 6.4 106 6.0 6.4 94 GUNSIGHT PASS 9820 7.7 6.5 118 7.4 6.8 109 KENDALL R.S. 7740 6.3 5.1 124 7.2 6.9 104 LOOMIS PARK 8240 6.8 6.8 100 8.1 8.6 94 NEW FORK LAKE 8340 4.9 4.8 102 4.5 5.4 83 POCKET CREEK 9360 4.4 -M * 4.5 -M * SNIDER BASIN 8060 5.4 5.6 96 5.9 7.0 84 SPRING CREEK DIVIDE 9000 9.7 10.7 91 10.1 11.6 87 TRIPLE PEAK 8500 9.0 8.8 102 10.8 11.8 92 ----- ----- Basin Index (%) 103 91 LOWER GREEN RIVER BLACKS FORK JCT 8870 2.6 -M * 5.5 -M * BUCK PASTURE 9700 4.7 -M * 7.4 -M * EF BLACKS FORK GS 9360 2.0 -M * 4.8 -M * HAMS FORK 7840 3.2 4.9 65 5.0 5.5 91 HEWINTA 9519 2.6 4.0 65 5.8 6.7 87 HICKERSON PARK 9145 3.9 3.0 130 5.2 5.1 102 HOLE-IN-ROCK 9150 2.8 3.1 90 5.0 4.8 104 INDIAN CREEK 9425 8.0 10.3 78 7.9 10.5 75 KELLEY R.S. 8180 5.4 6.5 83 7.0 8.9 79 SPIRIT LK 10235 5.1 -M * 7.7 -M * STEEL CREEK PARK 10200 5.6 6.4 88 7.3 7.8 94 ----- ----- Basin Index (%) 82 88 UPPER BEAR RIVER BEAR RIVER RS 8777 3.1 -M * 5.6 -M * BUG LAKE 7950 6.0 6.7 90 6.7 9.5 71 BURTS MILLER RANCH 8000 2.9 -M * 3.3 -M * CHALK CREEK #1 8993 8.5 10.2 83 9.8 12.2 80 HAYDEN FORK 9212 4.6 6.3 73 8.0 10.1 79 KELLEY R.S. 8180 5.4 6.5 83 7.0 8.9 79 LILY LAKE 9156 4.7 5.4 87 7.3 8.4 87 MONTE CRISTO 8960 7.9 10.8 73 8.5 12.5 68 SALT RIVER SUMMIT 7760 5.0 5.2 96 7.0 8.0 88 ----- ----- Basin Index (%) 82 78 ----------------------------------------------------------------------------- -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.