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 13 , 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 9.1 115 11.6 11.8 98 BLACK BEAR 8170 19.9 20.2 99 19.1 20.9 91 BLIND BULL SUM 8650 13.4 11.8 114 10.1 10.9 93 COTTONWOOD CREEK 7670 12.2 9.8 124 13.8 13.4 103 EAST RIM DIVIDE 7930 6.9 5.3 130 6.2 6.5 95 GRAND TARGHEE 9260 23.6 20.9 113 17.4 17.8 98 GRANITE CREEK 6770 7.7 8.0 96 8.9 11.4 78 GRASSY LAKE 7265 16.6 15.9 104 18.1 20.0 90 GROS VENTRE SUMMIT 8750 7.6 7.3 104 6.8 7.0 97 GUNSIGHT PASS 9820 8.6 7.2 119 8.4 7.6 111 LEWIS LAKE DIVIDE 7850 14.3 15.9 90 16.8 19.6 86 PHILLIPS BENCH 8200 12.6 13.9 91 13.3 15.4 86 SALT RIVER SUMMIT 7760 7.0 5.9 119 8.8 9.0 98 SNAKE RIVER STATION 6920 8.8 8.5 104 11.5 13.0 88 SPRING CREEK DIVIDE 9000 12.9 11.4 113 13.0 13.1 99 THUMB DIVIDE 7980 7.3 7.7 95 7.8 10.4 75 TOGWOTEE PASS 9580 14.1 12.7 111 13.7 13.6 101 TWO OCEAN PLATEAU 9240 17.5 15.2 115 13.9 14.8 94 WILLOW CREEK 8380 15.0 13.4 112 18.1 18.3 99 YOUNTS PEAK 8350 -M 8.0 * -M 9.0 * ----- ----- Basin Index (%) 107 93 MADISON-GALLATIN BLACK BEAR 8170 19.9 20.2 99 19.1 20.9 91 CANYON 7870 7.0 6.9 101 8.4 9.0 93 MADISON PLATEAU 7750 11.1 11.6 96 12.1 14.7 82 WEST YELLOWSTONE 6700 6.3 6.0 105 7.3 8.2 89 WHISKEY CREEK 6800 7.9 8.1 98 9.8 11.4 86 ----- ----- Basin Index (%) 99 88 YELLOWSTONE BEARTOOTH LAKE 9360 13.1 11.9 110 11.3 10.8 105 BURNT MTN 5880 4.6 2.0 230 10.5 7.2 146 CANYON 7870 7.0 6.9 101 8.4 9.0 93 COLE CREEK 7850 10.3 6.9 149 7.3 6.9 106 EVENING STAR 9200 18.6 13.6 137 18.9 15.4 123 FISHER CREEK 9100 20.4 17.5 117 17.7 17.6 101 NORTHEAST ENTRANCE 7350 6.1 5.1 120 6.8 7.1 96 PARKER PEAK 9400 14.9 11.3 132 13.8 9.8 141 SYLVAN LAKE 8420 12.2 11.0 111 14.4 12.8 112 THUMB DIVIDE 7980 7.3 7.7 95 7.8 10.4 75 TWO OCEAN PLATEAU 9240 17.5 15.2 115 13.9 14.8 94 WHITE MILL 8700 14.8 12.1 122 12.6 13.1 96 WOLVERINE 7650 7.8 5.7 137 6.7 7.1 94 ----- ----- Basin Index (%) 122 106 WIND RIVER BURROUGHS CREEK 8750 -M 7.1 * -M 9.0 * CASTLE CREEK 8400 3.8 -M * 5.5 -M * COLD SPRINGS 9630 5.3 3.8 139 7.0 5.5 127 DEER PARK 9700 5.6 7.1 79 7.5 10.7 70 HOBBS PARK 10100 7.5 7.2 104 6.6 6.8 97 KIRWIN 9550 7.9 5.1 155 7.1 6.4 111 LITTLE WARM 9370 6.6 5.4 122 7.9 7.0 113 OWL CREEK 8975 3.9 2.9 134 3.9 3.2 122 SOUTH PASS 9040 6.4 7.4 86 6.5 9.5 68 ST. LAWRENCE ALT 8620 2.8 3.4 82 5.7 4.7 121 TOGWOTEE PASS 9580 14.1 12.7 111 13.7 13.6 101 TOWNSEND CREEK 8700 3.7 4.3 86 4.8 6.3 76 ----- ----- Basin Index (%) 108 96 BIGHORN BASIN BALD MTN. 9380 13.4 9.7 138 10.3 9.2 112 BEAR TRAP MEADOW 8200 5.5 2.8 196 6.4 4.6 139 BONE SPRINGS DIV 9350 10.1 8.3 122 7.9 8.2 96 GRAVE SPRINGS 8550 6.5 4.2 155 7.3 5.7 128 KIRWIN 9550 7.9 5.1 155 7.1 6.4 111 MARQUETTE 8760 4.9 -M * 6.7 -M * MIDDLE POWDER 7760 8.8 5.8 152 8.1 6.6 123 OWL CREEK 8975 3.9 2.9 134 3.9 3.2 122 POWDER RIVER PASS 9480 7.7 5.7 135 7.9 6.8 116 SHELL CREEK 9580 9.2 7.9 116 7.7 7.5 103 TIMBER CREEK 7950 3.5 2.4 146 5.0 4.2 119 ----- ----- Basin Index (%) 140 115 SHOSHONE RIVER BLACKWATER 9780 15.4 12.5 123 13.0 11.4 114 EVENING STAR 9200 18.6 13.6 137 18.9 15.4 123 MARQUETTE 8760 4.9 -M * 6.7 -M * SYLVAN ROAD 7120 7.4 6.3 117 11.1 10.4 107 YOUNTS PEAK 8350 -M 8.0 * -M 9.0 * ----- ----- Basin Index (%) 128 116 POWDER RIVER BEAR TRAP MEADOW 8200 5.5 2.8 196 6.4 4.6 139 CLOUD PEAK RESERVOIR 9860 9.5 7.0 136 8.8 7.0 126 GRAVE SPRINGS 8550 6.5 4.2 155 7.3 5.7 128 HANSEN SAWMILL 8360 4.6 3.4 135 6.3 4.4 143 MIDDLE POWDER 7760 8.8 5.8 152 8.1 6.6 123 POWDER RIVER PASS 9480 7.7 5.7 135 7.9 6.8 116 SOLDIER PARK 8720 4.3 -M * 5.8 -M * ----- ----- Basin Index (%) 147 128 TONGUE RIVER BIG GOOSE 7990 5.0 4.2 119 7.4 5.8 128 BONE SPRINGS DIV 9350 10.1 8.3 122 7.9 8.2 96 BURGESS JUNCTION 7880 6.7 5.4 124 8.1 6.5 125 DOME LAKE 8880 5.3 5.9 90 6.1 7.4 82 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 8.4 6.1 138 9.5 7.5 127 TIE CREEK 6870 3.3 2.4 138 7.7 6.2 124 ----- ----- Basin Index (%) 120 112 BELLE FOURCHE COLE CANYON 5910 4.2 2.5 168 10.0 5.1 196 ----- ----- Basin Index (%) 168 196 CHEYENNE RIVER BASIN BLIND PARK 6890 5.4 3.9 138 11.5 6.8 169 NORTH RAPID CREEK 6130 5.1 3.6 142 10.7 5.6 191 ----- ----- Basin Index (%) 140 179 UPPER N. PLATTE ARAPAHO RIDGE 10960 13.0 10.9 119 12.9 12.7 102 BLACKHALL MTN 9820 17.4 -M * 18.8 -M * COLUMBINE 9160 14.9 11.9 125 16.7 13.7 122 DIVIDE PEAK 8880 9.9 10.0 99 13.3 11.7 114 JOE WRIGHT 10120 9.3 10.8 86 15.3 13.8 111 LAPRELE CREEK 8375 3.7 4.7 79 5.7 6.6 86 MED BOW 10500 14.7 -M * 19.5 -M * NORTH FRENCH CREEK 10130 17.6 13.5 130 18.8 14.2 132 NEVER SUMMER 10280 11.4 10.4 110 10.0 -M * OLD BATTLE 10000 16.5 15.2 109 19.0 19.0 100 RAWAH 9020 7.1 5.3 134 9.8 8.4 117 SAGE CREEK BASIN 7850 5.8 7.0 83 7.6 8.6 88 SAND LAKE 10050 16.3 14.0 116 16.2 12.9 126 SOUTH BRUSH CREEK 8440 7.0 5.9 119 9.5 8.2 116 TOWER 10500 23.7 21.6 110 24.6 21.6 114 WEBBER SPRINGS 9250 12.0 11.6 103 14.4 14.4 100 WILLOW CREEK PASS 9540 7.6 6.1 125 8.5 7.3 116 ZIRKEL 9340 16.3 15.0 109 18.3 16.5 111 ----- ----- Basin Index (%) 110 111 SWEETWATER DEER PARK 9700 5.6 7.1 79 7.5 10.7 70 LARSEN CREEK 9000 3.2 -M * 6.1 -M * SOUTH PASS 9040 6.4 7.4 86 6.5 9.5 68 ----- ----- Basin Index (%) 83 69 LOWER N. PLATTE CASPER MTN. 7900 10.5 6.7 157 9.8 8.0 122 LAPRELE CREEK 8375 3.7 4.7 79 5.7 6.6 86 RENO HILL 8400 9.6 6.5 148 11.7 7.9 148 WINDY PEAK 7900 3.1 3.4 91 5.8 5.6 104 ----- ----- Basin Index (%) 126 117 LARAMIE RIVER BROOKLYN LAKE 10240 13.0 10.2 127 13.1 10.7 122 CINNABAR PARK 9574 12.6 11.4 111 14.6 14.0 104 CROW CREEK 8330 4.3 4.9 88 6.3 6.0 105 DEADMAN HILL 10220 11.4 8.0 142 11.5 8.9 129 RAWAH 9020 7.1 5.3 134 9.8 8.4 117 ROACH 9700 9.0 8.4 107 11.3 10.2 111 ----- ----- Basin Index (%) 119 114 S. PLATTE BLACK MOUNTAIN 8920 6.4 -M * 7.8 -M * CROW CREEK 8330 4.3 4.9 88 6.3 6.0 105 DEADMAN HILL 10220 11.4 8.0 142 11.5 8.9 129 ----- ----- Basin Index (%) 122 119 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.6 5.3 125 10.7 8.2 130 DIVIDE PEAK 8880 9.9 10.0 99 13.3 11.7 114 ELK RIVER 8700 11.3 8.8 128 13.1 10.8 121 LITTLE SNAKE RIVER 8915 14.1 11.9 118 19.2 17.8 108 OLD BATTLE 10000 16.5 15.2 109 19.0 19.0 100 SAGE CREEK BASIN 7850 5.8 7.0 83 7.6 8.6 88 SANDSTONE RS 8150 6.9 6.2 111 10.9 10.1 108 WHISKEY PARK 8950 19.4 12.0 162 21.3 14.6 146 ----- ----- Basin Index (%) 118 114 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.8 7.0 83 5.5 7.2 76 BLIND BULL SUM 8650 13.4 11.8 114 10.1 10.9 93 EAST RIM DIVIDE 7930 6.9 5.3 130 6.2 6.5 95 ELKHART PARK G.S. 9400 7.0 6.2 113 6.6 7.3 90 GROS VENTRE SUMMIT 8750 7.6 7.3 104 6.8 7.0 97 GUNSIGHT PASS 9820 8.6 7.2 119 8.4 7.6 111 KENDALL R.S. 7740 7.2 6.2 116 8.3 7.8 106 LOOMIS PARK 8240 8.3 7.4 112 9.4 9.6 98 NEW FORK LAKE 8340 5.7 5.4 106 5.0 6.0 83 POCKET CREEK 9360 4.9 -M * 5.0 -M * SNIDER BASIN 8060 7.4 6.2 119 7.7 7.8 99 SPRING CREEK DIVIDE 9000 12.9 11.4 113 13.0 13.1 99 TRIPLE PEAK 8500 12.4 10.9 114 14.2 13.4 106 ----- ----- Basin Index (%) 112 97 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.6 -M * 6.7 -M * BUCK PASTURE 9700 6.4 -M * 8.6 -M * EF BLACKS FORK GS 9360 3.2 -M * 6.0 -M * HAMS FORK 7840 5.0 5.5 91 5.9 6.2 95 HEWINTA 9519 3.8 4.8 79 7.3 7.4 99 HICKERSON PARK 9145 4.4 3.2 138 5.9 5.4 109 HOLE-IN-ROCK 9150 3.6 3.3 109 5.6 5.1 110 INDIAN CREEK 9425 10.6 11.8 90 9.9 11.8 84 KELLEY R.S. 8180 7.2 7.2 100 9.0 9.9 91 SPIRIT LK 10235 5.6 -M * 8.4 -M * STEEL CREEK PARK 10200 7.2 7.1 101 8.8 8.5 104 ----- ----- Basin Index (%) 97 97 UPPER BEAR RIVER BEAR RIVER RS 8777 4.1 -M * 6.6 -M * BUG LAKE 7950 8.0 8.0 100 8.4 10.6 79 BURTS MILLER RANCH 8000 3.3 -M * 3.8 -M * CHALK CREEK #1 8993 10.6 11.3 94 11.5 13.4 86 HAYDEN FORK 9212 6.4 6.8 94 10.0 11.2 89 KELLEY R.S. 8180 7.2 7.2 100 9.0 9.9 91 LILY LAKE 9156 6.7 6.2 108 8.4 9.2 91 MONTE CRISTO 8960 10.9 13.2 83 10.8 13.9 78 SALT RIVER SUMMIT 7760 7.0 5.9 119 8.8 9.0 98 ----- ----- Basin Index (%) 97 87 ----------------------------------------------------------------------------- -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.