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: JANUARY 30 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 11.3 10.7 106 12.4 13.8 90 BLACK BEAR 8170 21.3 23.2 92 20.5 24.6 83 BLIND BULL SUM 8650 15.4 13.6 113 11.3 12.6 90 COTTONWOOD CREEK 7670 13.8 12.5 110 15.6 15.6 100 EAST RIM DIVIDE 7930 8.1 6.7 121 7.0 7.6 92 GRAND TARGHEE 9260 25.9 23.4 111 18.9 20.5 92 GRANITE CREEK 6770 9.2 10.2 90 10.3 13.4 77 GRASSY LAKE 7265 18.1 19.8 91 19.5 23.6 83 GROS VENTRE SUMMIT 8750 8.1 8.2 99 7.2 8.1 89 GUNSIGHT PASS 9820 9.4 8.1 116 9.1 8.7 105 LEWIS LAKE DIVIDE 7850 15.1 19.6 77 18.1 22.8 79 PHILLIPS BENCH 8200 14.0 15.9 88 14.8 18.0 82 SALT RIVER SUMMIT 7760 7.6 7.6 100 9.6 10.5 91 SNAKE RIVER STATION 6920 9.6 10.5 91 12.4 15.2 82 SPRING CREEK DIVIDE 9000 15.0 14.0 107 14.9 15.2 98 THUMB DIVIDE 7980 7.6 9.5 80 8.1 12.0 68 TOGWOTEE PASS 9580 15.6 14.8 105 15.5 15.6 99 TWO OCEAN PLATEAU 9240 18.9 17.1 111 15.5 17.1 91 WILLOW CREEK 8380 16.8 16.9 99 19.9 21.3 93 YOUNTS PEAK 8350 -M 9.4 * -M 10.3 * ----- ----- Basin Index (%) 99 88 MADISON-GALLATIN BLACK BEAR 8170 21.3 23.2 92 20.5 24.6 83 CANYON 7870 7.7 8.0 96 9.2 10.5 88 MADISON PLATEAU 7750 12.0 14.0 86 12.9 17.2 75 WEST YELLOWSTONE 6700 7.0 7.0 100 8.1 9.5 85 WHISKEY CREEK 6800 8.5 9.5 89 10.5 13.1 80 ----- ----- Basin Index (%) 92 82 YELLOWSTONE BEARTOOTH LAKE 9360 14.6 13.6 107 13.1 12.7 103 BURNT MTN 5880 5.7 2.4 238 11.9 7.8 153 CANYON 7870 7.7 8.0 96 9.2 10.5 88 COLE CREEK 7850 12.7 8.2 155 8.9 7.5 119 EVENING STAR 9200 20.4 16.0 128 21.0 17.7 119 FISHER CREEK 9100 22.1 20.3 109 19.2 20.4 94 NORTHEAST ENTRANCE 7350 7.0 6.3 111 7.7 8.1 95 PARKER PEAK 9400 16.6 12.8 130 15.3 11.2 137 SYLVAN LAKE 8420 13.3 12.8 104 15.5 14.6 106 THUMB DIVIDE 7980 7.6 9.5 80 8.1 12.0 68 TWO OCEAN PLATEAU 9240 18.9 17.1 111 15.5 17.1 91 WHITE MILL 8700 16.4 14.3 115 14.0 15.2 92 WOLVERINE 7650 9.2 6.9 133 7.7 8.1 95 ----- ----- Basin Index (%) 116 103 WIND RIVER BURROUGHS CREEK 8750 -M 8.3 * -M 10.3 * CASTLE CREEK 8400 4.4 -M * 6.1 -M * COLD SPRINGS 9630 5.9 4.4 134 7.8 6.1 128 DEER PARK 9700 5.8 9.1 64 8.4 12.1 69 HOBBS PARK 10100 8.0 7.9 101 7.4 7.7 96 KIRWIN 9550 8.7 5.7 153 7.8 7.2 108 LITTLE WARM 9370 7.2 6.2 116 8.6 8.0 108 OWL CREEK 8975 4.1 3.1 132 4.0 3.5 114 SOUTH PASS 9040 7.3 8.5 86 6.8 10.8 63 ST. LAWRENCE ALT 8620 3.2 4.1 78 5.8 5.3 109 TOGWOTEE PASS 9580 15.6 14.8 105 15.5 15.6 99 TOWNSEND CREEK 8700 4.1 5.1 80 5.0 7.0 71 ----- ----- Basin Index (%) 101 93 BIGHORN BASIN BALD MTN. 9380 15.2 10.7 142 11.5 10.6 108 BEAR TRAP MEADOW 8200 6.6 3.4 194 6.9 5.1 135 BONE SPRINGS DIV 9350 11.8 9.7 122 8.9 9.5 94 GRAVE SPRINGS 8550 7.7 4.9 157 8.2 6.4 128 KIRWIN 9550 8.7 5.7 153 7.8 7.2 108 MARQUETTE 8760 5.2 -M * 7.2 -M * MIDDLE POWDER 7760 10.8 6.2 174 9.0 7.3 123 OWL CREEK 8975 4.1 3.1 132 4.0 3.5 114 POWDER RIVER PASS 9480 9.2 6.3 146 9.6 7.8 123 SHELL CREEK 9580 10.6 9.0 118 8.7 8.8 99 TIMBER CREEK 7950 4.0 2.9 138 5.6 4.5 124 ----- ----- Basin Index (%) 143 113 SHOSHONE RIVER BLACKWATER 9780 16.6 14.6 114 14.0 13.1 107 EVENING STAR 9200 20.4 16.0 128 21.0 17.7 119 MARQUETTE 8760 5.2 -M * 7.2 -M * SYLVAN ROAD 7120 8.2 7.7 106 12.1 11.7 103 YOUNTS PEAK 8350 -M 9.4 * -M 10.3 * ----- ----- Basin Index (%) 118 111 POWDER RIVER BEAR TRAP MEADOW 8200 6.6 3.4 194 6.9 5.1 135 CLOUD PEAK RESERVOIR 9860 11.6 8.2 141 10.1 7.8 129 GRAVE SPRINGS 8550 7.7 4.9 157 8.2 6.4 128 HANSEN SAWMILL 8360 4.8 4.0 120 6.8 5.0 136 MIDDLE POWDER 7760 10.8 6.2 174 9.0 7.3 123 POWDER RIVER PASS 9480 9.2 6.3 146 9.6 7.8 123 SOLDIER PARK 8720 5.2 -M * 6.5 -M * ----- ----- Basin Index (%) 154 128 TONGUE RIVER BIG GOOSE 7990 5.6 4.8 117 7.9 6.5 122 BONE SPRINGS DIV 9350 11.8 9.7 122 8.9 9.5 94 BURGESS JUNCTION 7880 8.4 6.5 129 9.5 7.4 128 DOME LAKE 8880 6.4 6.7 96 6.6 8.3 80 LITTLE GOOSE 8870 6.4 -M * 9.0 -M * SUCKER CREEK 8880 10.0 7.0 143 11.1 8.6 129 TIE CREEK 6870 4.4 3.3 133 9.0 7.0 129 ----- ----- Basin Index (%) 123 112 BELLE FOURCHE COLE CANYON 5910 4.2 3.2 131 10.6 5.6 189 ----- ----- Basin Index (%) 131 189 CHEYENNE RIVER BASIN BLIND PARK 6890 6.7 4.5 149 13.2 7.6 174 NORTH RAPID CREEK 6130 6.3 4.2 150 12.0 6.2 194 ----- ----- Basin Index (%) 149 183 UPPER N. PLATTE ARAPAHO RIDGE 10960 14.3 13.0 110 14.3 13.9 103 BLACKHALL MTN 9820 19.9 -M * 20.1 -M * COLUMBINE 9160 17.9 14.4 124 18.2 16.1 113 DIVIDE PEAK 8880 11.2 12.1 93 13.8 13.4 103 JOE WRIGHT 10120 10.7 12.8 84 16.3 15.8 103 LAPRELE CREEK 8375 5.1 5.4 94 6.5 7.4 88 MED BOW 10500 20.2 -M * 26.8 -M * NORTH FRENCH CREEK 10130 19.6 15.8 124 20.5 16.7 123 NEVER SUMMER 10280 12.5 12.2 102 10.8 -M * OLD BATTLE 10000 18.6 18.9 98 21.7 22.1 98 RAWAH 9020 8.0 6.1 131 10.9 9.0 121 SAGE CREEK BASIN 7850 6.7 8.2 82 8.2 9.6 85 SAND LAKE 10050 18.3 16.2 113 18.1 14.9 121 SOUTH BRUSH CREEK 8440 7.7 7.2 107 10.2 9.4 109 TOWER 10500 27.4 27.0 101 27.1 25.1 108 WEBBER SPRINGS 9250 13.5 13.4 101 16.3 16.8 97 WILLOW CREEK PASS 9540 7.7 7.4 104 8.8 8.2 107 ZIRKEL 9340 19.7 18.1 109 20.0 18.5 108 ----- ----- Basin Index (%) 105 106 SWEETWATER DEER PARK 9700 5.8 9.1 64 8.4 12.1 69 LARSEN CREEK 9000 4.6 -M * 7.0 -M * SOUTH PASS 9040 7.3 8.5 86 6.8 10.8 63 ----- ----- Basin Index (%) 74 66 LOWER N. PLATTE CASPER MTN. 7900 -M 7.4 * -M 9.0 * LAPRELE CREEK 8375 5.1 5.4 94 6.5 7.4 88 RENO HILL 8400 11.0 7.6 145 13.1 8.8 149 WINDY PEAK 7900 4.0 4.1 98 6.6 6.3 105 ----- ----- Basin Index (%) 118 116 LARAMIE RIVER BROOKLYN LAKE 10240 15.8 11.9 133 14.6 12.7 115 CINNABAR PARK 9574 13.7 13.0 105 16.7 15.7 106 CROW CREEK 8330 5.3 5.7 93 7.1 6.4 111 DEADMAN HILL 10220 13.1 9.8 134 13.0 10.1 129 RAWAH 9020 8.0 6.1 131 10.9 9.0 121 ROACH 9700 10.2 9.8 104 12.8 11.7 109 ----- ----- Basin Index (%) 117 114 S. PLATTE BLACK MOUNTAIN 8920 7.2 -M * 8.7 -M * CROW CREEK 8330 5.3 5.7 93 7.1 6.4 111 DEADMAN HILL 10220 13.1 9.8 134 13.0 10.1 129 ----- ----- Basin Index (%) 119 122 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 7.1 6.9 103 11.5 9.5 121 DIVIDE PEAK 8880 11.2 12.1 93 13.8 13.4 103 ELK RIVER 8700 12.1 10.9 111 13.5 12.5 108 LITTLE SNAKE RIVER 8915 16.5 15.2 109 20.7 20.3 102 OLD BATTLE 10000 18.6 18.9 98 21.7 22.1 98 SAGE CREEK BASIN 7850 6.7 8.2 82 8.2 9.6 85 SANDSTONE RS 8150 7.6 7.9 96 12.1 11.8 103 WHISKEY PARK 8950 22.8 15.6 146 23.3 17.6 132 ----- ----- Basin Index (%) 107 107 UPPER GREEN RIVER BIG SANDY OPENING 9080 7.0 8.0 88 6.5 8.2 79 BLIND BULL SUM 8650 15.4 13.6 113 11.3 12.6 90 EAST RIM DIVIDE 7930 8.1 6.7 121 7.0 7.6 92 ELKHART PARK G.S. 9400 8.5 7.4 115 7.8 8.4 93 GROS VENTRE SUMMIT 8750 8.1 8.2 99 7.2 8.1 89 GUNSIGHT PASS 9820 9.4 8.1 116 9.1 8.7 105 KENDALL R.S. 7740 8.3 7.8 106 9.4 9.1 103 LOOMIS PARK 8240 9.9 9.4 105 11.2 11.1 101 NEW FORK LAKE 8340 6.8 6.7 101 5.7 7.0 81 POCKET CREEK 9360 5.4 -M * 6.0 -M * SNIDER BASIN 8060 8.7 7.4 118 9.0 9.1 99 SPRING CREEK DIVIDE 9000 15.0 14.0 107 14.9 15.2 98 TRIPLE PEAK 8500 14.3 12.9 111 16.4 15.8 104 ----- ----- Basin Index (%) 108 96 LOWER GREEN RIVER BLACKS FORK JCT 8870 4.2 -M * 7.3 -M * BUCK PASTURE 9700 6.8 -M * 8.9 -M * EF BLACKS FORK GS 9360 3.2 -M * 6.1 -M * HAMS FORK 7840 6.3 7.0 90 6.5 7.2 90 HEWINTA 9519 4.3 5.5 78 7.7 8.5 91 HICKERSON PARK 9145 4.9 3.7 132 6.4 6.0 107 HOLE-IN-ROCK 9150 4.2 3.9 108 6.0 5.7 105 INDIAN CREEK 9425 12.2 14.3 85 11.3 13.8 82 KELLEY R.S. 8180 8.3 8.9 93 10.2 11.4 89 SPIRIT LK 10235 6.0 -M * 9.1 -M * STEEL CREEK PARK 10200 6.4 8.5 75 9.4 9.8 96 ----- ----- Basin Index (%) 90 92 UPPER BEAR RIVER BEAR RIVER RS 8777 4.7 -M * 7.1 -M * BUG LAKE 7950 -M 10.3 * -M 12.2 * BURTS MILLER RANCH 8000 3.7 -M * 4.2 -M * CHALK CREEK #1 8993 11.4 13.3 86 12.4 15.5 80 HAYDEN FORK 9212 7.0 8.5 82 10.9 12.9 84 KELLEY R.S. 8180 8.3 8.9 93 10.2 11.4 89 LILY LAKE 9156 7.6 7.3 104 9.0 10.5 86 MONTE CRISTO 8960 11.9 15.7 76 11.6 16.1 72 SALT RIVER SUMMIT 7760 7.6 7.6 100 9.6 10.5 91 ----- ----- Basin Index (%) 88 83 ----------------------------------------------------------------------------- -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.