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 MONDAY: JANUARY 27 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 10.5 10.5 100 11.8 13.4 88 BLACK BEAR 8170 20.3 22.9 89 19.6 24.0 82 BLIND BULL SUM 8650 14.2 13.2 108 10.5 12.4 85 COTTONWOOD CREEK 7670 12.5 12.0 104 14.2 15.2 93 EAST RIM DIVIDE 7930 7.1 6.6 108 6.3 7.4 85 GRAND TARGHEE 9260 24.5 23.0 107 18.0 19.9 90 GRANITE CREEK 6770 7.9 9.7 81 9.2 13.1 70 GRASSY LAKE 7265 17.0 18.9 90 18.5 23.0 80 GROS VENTRE SUMMIT 8750 7.7 8.0 96 6.9 7.9 87 GUNSIGHT PASS 9820 8.8 8.0 110 8.6 8.5 101 LEWIS LAKE DIVIDE 7850 14.2 18.7 76 17.3 22.2 78 PHILLIPS BENCH 8200 12.8 15.9 81 13.8 17.4 79 SALT RIVER SUMMIT 7760 7.0 7.4 95 9.0 10.2 88 SNAKE RIVER STATION 6920 9.0 10.0 90 11.7 14.8 79 SPRING CREEK DIVIDE 9000 13.6 13.5 101 13.7 14.8 93 THUMB DIVIDE 7980 7.3 9.2 79 7.8 11.7 67 TOGWOTEE PASS 9580 14.8 14.2 104 14.6 15.3 95 TWO OCEAN PLATEAU 9240 18.0 16.3 110 14.9 16.6 90 WILLOW CREEK 8380 15.4 16.6 93 18.7 20.8 90 YOUNTS PEAK 8350 -M 9.0 * -M 10.2 * ----- ----- Basin Index (%) 95 85 MADISON-GALLATIN BLACK BEAR 8170 20.3 22.9 89 19.6 24.0 82 CANYON 7870 7.3 7.8 94 8.8 10.3 85 MADISON PLATEAU 7750 11.3 13.9 81 12.3 16.7 74 WEST YELLOWSTONE 6700 6.4 6.8 94 7.4 9.2 80 WHISKEY CREEK 6800 8.0 9.4 85 10.1 12.7 80 ----- ----- Basin Index (%) 88 80 YELLOWSTONE BEARTOOTH LAKE 9360 14.1 13.3 106 12.7 12.4 102 BURNT MTN 5880 5.6 2.4 233 11.4 7.7 148 CANYON 7870 7.3 7.8 94 8.8 10.3 85 COLE CREEK 7850 12.5 7.9 158 8.7 7.4 118 EVENING STAR 9200 20.0 15.3 131 20.4 17.3 118 FISHER CREEK 9100 21.4 20.0 107 18.7 20.0 94 NORTHEAST ENTRANCE 7350 6.4 6.1 105 7.2 8.0 90 PARKER PEAK 9400 16.1 12.3 131 14.9 11.0 135 SYLVAN LAKE 8420 12.6 12.4 102 14.8 14.3 103 THUMB DIVIDE 7980 7.3 9.2 79 7.8 11.7 67 TWO OCEAN PLATEAU 9240 18.0 16.3 110 14.9 16.6 90 WHITE MILL 8700 15.8 13.9 114 13.5 14.8 91 WOLVERINE 7650 8.4 6.6 127 7.2 7.9 91 ----- ----- Basin Index (%) 115 101 WIND RIVER BURROUGHS CREEK 8750 -M 8.0 * -M 10.1 * CASTLE CREEK 8400 4.0 -M * 5.7 -M * COLD SPRINGS 9630 5.5 4.2 131 7.4 6.0 123 DEER PARK 9700 5.1 8.6 59 7.8 11.8 66 HOBBS PARK 10100 7.7 7.8 99 7.1 7.5 95 KIRWIN 9550 8.2 5.6 146 7.5 7.0 107 LITTLE WARM 9370 6.8 6.0 113 8.3 7.8 106 OWL CREEK 8975 4.0 3.1 129 3.9 3.4 115 SOUTH PASS 9040 6.5 8.3 78 6.6 10.5 63 ST. LAWRENCE ALT 8620 2.8 4.0 70 5.3 5.1 104 TOGWOTEE PASS 9580 14.8 14.2 104 14.6 15.3 95 TOWNSEND CREEK 8700 3.7 4.9 76 4.8 6.8 71 ----- ----- Basin Index (%) 98 90 BIGHORN BASIN BALD MTN. 9380 14.7 10.5 140 11.5 10.4 111 BEAR TRAP MEADOW 8200 6.1 3.3 185 6.5 5.0 130 BONE SPRINGS DIV 9350 11.3 9.6 118 8.6 9.3 92 GRAVE SPRINGS 8550 7.4 4.8 154 7.9 6.2 127 KIRWIN 9550 8.2 5.6 146 7.5 7.0 107 MARQUETTE 8760 4.9 -M * 6.9 -M * MIDDLE POWDER 7760 10.2 6.1 167 8.8 7.1 124 OWL CREEK 8975 4.0 3.1 129 3.9 3.4 115 POWDER RIVER PASS 9480 8.6 6.1 141 9.0 7.6 118 SHELL CREEK 9580 10.2 8.9 115 8.5 8.5 100 TIMBER CREEK 7950 3.7 3.0 123 5.4 4.4 123 ----- ----- Basin Index (%) 138 113 SHOSHONE RIVER BLACKWATER 9780 15.8 14.0 113 13.5 12.8 105 EVENING STAR 9200 20.0 15.3 131 20.4 17.3 118 MARQUETTE 8760 4.9 -M * 6.9 -M * SYLVAN ROAD 7120 7.7 7.5 103 11.5 11.4 101 YOUNTS PEAK 8350 -M 9.0 * -M 10.2 * ----- ----- Basin Index (%) 118 109 POWDER RIVER BEAR TRAP MEADOW 8200 6.1 3.3 185 6.5 5.0 130 CLOUD PEAK RESERVOIR 9860 11.1 7.9 141 9.9 7.6 130 GRAVE SPRINGS 8550 7.4 4.8 154 7.9 6.2 127 HANSEN SAWMILL 8360 4.8 3.9 123 6.7 4.8 140 MIDDLE POWDER 7760 10.2 6.1 167 8.8 7.1 124 POWDER RIVER PASS 9480 8.6 6.1 141 9.0 7.6 118 SOLDIER PARK 8720 4.8 -M * 6.3 -M * ----- ----- Basin Index (%) 150 127 TONGUE RIVER BIG GOOSE 7990 5.6 4.7 119 8.0 6.3 127 BONE SPRINGS DIV 9350 11.3 9.6 118 8.6 9.3 92 BURGESS JUNCTION 7880 8.2 6.4 128 9.5 7.2 132 DOME LAKE 8880 6.2 6.5 95 6.6 8.1 81 LITTLE GOOSE 8870 6.3 -M * 8.9 -M * SUCKER CREEK 8880 9.8 6.9 142 10.8 8.4 129 TIE CREEK 6870 4.2 3.2 131 8.9 6.8 131 ----- ----- Basin Index (%) 121 114 BELLE FOURCHE COLE CANYON 5910 4.1 3.1 132 10.9 5.6 195 ----- ----- Basin Index (%) 132 195 CHEYENNE RIVER BASIN BLIND PARK 6890 6.4 4.3 149 12.7 7.5 169 NORTH RAPID CREEK 6130 6.1 4.1 149 11.7 6.0 195 ----- ----- Basin Index (%) 149 181 UPPER N. PLATTE ARAPAHO RIDGE 10960 13.7 12.4 110 13.7 13.6 101 BLACKHALL MTN 9820 18.8 -M * 19.8 -M * COLUMBINE 9160 16.8 14.1 119 18.3 15.7 117 DIVIDE PEAK 8880 10.4 11.7 89 14.0 13.2 106 JOE WRIGHT 10120 9.6 12.6 76 16.2 15.4 105 LAPRELE CREEK 8375 4.2 5.3 79 6.3 7.3 86 MED BOW 10500 17.4 -M * 24.7 -M * NORTH FRENCH CREEK 10130 18.1 15.5 117 18.6 16.2 115 NEVER SUMMER 10280 11.8 11.7 101 10.3 -M * OLD BATTLE 10000 17.3 18.4 94 20.2 21.5 94 RAWAH 9020 7.4 6.0 123 10.3 8.9 116 SAGE CREEK BASIN 7850 6.0 7.9 76 7.7 9.4 82 SAND LAKE 10050 16.9 15.9 106 16.9 14.6 116 SOUTH BRUSH CREEK 8440 6.9 7.1 97 9.7 9.2 105 TOWER 10500 25.9 26.2 99 27.0 24.5 110 WEBBER SPRINGS 9250 12.4 13.0 95 15.0 16.4 91 WILLOW CREEK PASS 9540 7.4 7.1 104 8.5 8.0 106 ZIRKEL 9340 18.1 17.4 104 20.1 17.8 113 ----- ----- Basin Index (%) 100 105 SWEETWATER DEER PARK 9700 5.1 8.6 59 7.8 11.8 66 LARSEN CREEK 9000 3.6 -M * 6.1 -M * SOUTH PASS 9040 6.5 8.3 78 6.6 10.5 63 ----- ----- Basin Index (%) 69 65 LOWER N. PLATTE CASPER MTN. 7900 -M 7.3 * -M 8.8 * LAPRELE CREEK 8375 4.2 5.3 79 6.3 7.3 86 RENO HILL 8400 10.7 7.6 141 12.4 8.6 144 WINDY PEAK 7900 3.5 4.0 88 6.2 6.2 100 ----- ----- Basin Index (%) 109 113 LARAMIE RIVER BROOKLYN LAKE 10240 14.2 11.8 120 14.6 12.4 118 CINNABAR PARK 9574 12.5 12.8 98 15.7 15.3 103 CROW CREEK 8330 4.5 5.6 80 6.6 6.3 105 DEADMAN HILL 10220 12.1 9.5 127 12.2 9.9 123 RAWAH 9020 7.4 6.0 123 10.3 8.9 116 ROACH 9700 9.3 9.7 96 11.7 11.5 102 ----- ----- Basin Index (%) 108 111 S. PLATTE BLACK MOUNTAIN 8920 6.7 -M * 8.1 -M * CROW CREEK 8330 4.5 5.6 80 6.6 6.3 105 DEADMAN HILL 10220 12.1 9.5 127 12.2 9.9 123 ----- ----- Basin Index (%) 110 116 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.6 6.7 99 10.9 9.3 117 DIVIDE PEAK 8880 10.4 11.7 89 14.0 13.2 106 ELK RIVER 8700 11.3 10.4 109 13.6 12.2 111 LITTLE SNAKE RIVER 8915 15.1 14.6 103 20.5 19.9 103 OLD BATTLE 10000 17.3 18.4 94 20.2 21.5 94 SAGE CREEK BASIN 7850 6.0 7.9 76 7.7 9.4 82 SANDSTONE RS 8150 6.8 7.6 89 11.3 11.5 98 WHISKEY PARK 8950 21.0 15.1 139 22.9 17.1 134 ----- ----- Basin Index (%) 102 106 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.9 7.6 78 5.6 8.0 70 BLIND BULL SUM 8650 14.2 13.2 108 10.5 12.4 85 EAST RIM DIVIDE 7930 7.1 6.6 108 6.3 7.4 85 ELKHART PARK G.S. 9400 7.4 7.1 104 6.9 8.2 84 GROS VENTRE SUMMIT 8750 7.7 8.0 96 6.9 7.9 87 GUNSIGHT PASS 9820 8.8 8.0 110 8.6 8.5 101 KENDALL R.S. 7740 7.4 7.6 97 8.4 8.8 95 LOOMIS PARK 8240 8.7 9.2 95 10.0 10.8 93 NEW FORK LAKE 8340 6.0 6.6 91 5.4 6.8 79 POCKET CREEK 9360 4.5 -M * 5.2 -M * SNIDER BASIN 8060 7.8 7.2 108 8.2 8.8 93 SPRING CREEK DIVIDE 9000 13.6 13.5 101 13.7 14.8 93 TRIPLE PEAK 8500 13.1 12.3 107 15.2 15.4 99 ----- ----- Basin Index (%) 101 90 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.5 -M * 6.7 -M * BUCK PASTURE 9700 6.1 -M * 8.7 -M * EF BLACKS FORK GS 9360 2.9 -M * 6.0 -M * HAMS FORK 7840 5.4 6.8 79 5.9 7.0 84 HEWINTA 9519 3.8 5.2 73 7.2 8.3 87 HICKERSON PARK 9145 4.5 3.6 125 6.0 5.9 102 HOLE-IN-ROCK 9150 3.9 3.8 103 5.7 5.6 102 INDIAN CREEK 9425 11.0 13.9 79 10.3 13.4 77 KELLEY R.S. 8180 7.3 8.7 84 9.1 11.1 82 SPIRIT LK 10235 5.6 -M * 8.5 -M * STEEL CREEK PARK 10200 7.3 8.3 88 8.9 9.6 93 ----- ----- Basin Index (%) 86 87 UPPER BEAR RIVER BEAR RIVER RS 8777 4.0 -M * 6.6 -M * BUG LAKE 7950 8.0 9.8 82 8.6 12.0 72 BURTS MILLER RANCH 8000 3.2 -M * 3.7 -M * CHALK CREEK #1 8993 10.5 13.0 81 11.6 15.0 77 HAYDEN FORK 9212 6.3 8.2 77 10.1 12.6 80 KELLEY R.S. 8180 7.3 8.7 84 9.1 11.1 82 LILY LAKE 9156 6.8 7.2 94 8.5 10.3 83 MONTE CRISTO 8960 10.8 15.1 72 11.2 15.7 71 SALT RIVER SUMMIT 7760 7.0 7.4 95 9.0 10.2 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.