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 16 , 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 9.6 109 11.8 12.1 98 BLACK BEAR 8170 20.3 20.7 98 19.7 21.4 92 BLIND BULL SUM 8650 14.1 12.2 116 10.5 11.2 94 COTTONWOOD CREEK 7670 12.5 10.4 120 14.2 13.8 103 EAST RIM DIVIDE 7930 7.1 5.6 127 6.2 6.7 93 GRAND TARGHEE 9260 24.1 21.2 114 17.8 18.0 99 GRANITE CREEK 6770 7.8 8.6 91 9.2 11.7 79 GRASSY LAKE 7265 17.0 16.5 103 18.4 20.7 89 GROS VENTRE SUMMIT 8750 7.6 7.4 103 6.7 7.2 93 GUNSIGHT PASS 9820 8.7 7.3 119 8.5 7.7 110 LEWIS LAKE DIVIDE 7850 14.2 16.5 86 17.2 20.1 86 PHILLIPS BENCH 8200 12.8 14.7 87 13.7 15.8 87 SALT RIVER SUMMIT 7760 7.1 6.3 113 9.0 9.2 98 SNAKE RIVER STATION 6920 8.9 9.0 99 11.6 13.4 87 SPRING CREEK DIVIDE 9000 13.5 12.0 112 13.6 13.4 101 THUMB DIVIDE 7980 7.4 7.9 94 7.8 10.7 73 TOGWOTEE PASS 9580 14.8 13.0 114 14.4 13.9 104 TWO OCEAN PLATEAU 9240 18.0 15.5 116 14.4 15.3 94 WILLOW CREEK 8380 15.5 14.0 111 18.6 18.8 99 YOUNTS PEAK 8350 -M 8.4 * -M 9.2 * ----- ----- Basin Index (%) 106 93 MADISON-GALLATIN BLACK BEAR 8170 20.3 20.7 98 19.7 21.4 92 CANYON 7870 7.2 7.2 100 8.7 9.3 94 MADISON PLATEAU 7750 11.2 12.2 92 12.2 15.1 81 WEST YELLOWSTONE 6700 6.4 6.2 103 7.4 8.4 88 WHISKEY CREEK 6800 8.0 8.3 96 10.0 11.6 86 ----- ----- Basin Index (%) 97 88 YELLOWSTONE BEARTOOTH LAKE 9360 14.0 12.4 113 12.5 11.1 113 BURNT MTN 5880 5.0 2.1 238 10.7 7.4 145 CANYON 7870 7.2 7.2 100 8.7 9.3 94 COLE CREEK 7850 11.4 7.2 158 8.0 7.0 114 EVENING STAR 9200 19.8 14.0 141 20.3 15.8 128 FISHER CREEK 9100 21.3 18.2 117 18.6 18.0 103 NORTHEAST ENTRANCE 7350 6.3 5.3 119 7.1 7.2 99 PARKER PEAK 9400 15.9 11.5 138 14.7 10.0 147 SYLVAN LAKE 8420 12.5 11.2 112 14.7 13.1 112 THUMB DIVIDE 7980 7.4 7.9 94 7.8 10.7 73 TWO OCEAN PLATEAU 9240 18.0 15.5 116 14.4 15.3 94 WHITE MILL 8700 15.7 12.6 125 13.4 13.5 99 WOLVERINE 7650 8.6 5.9 146 7.1 7.3 97 ----- ----- Basin Index (%) 125 108 WIND RIVER BURROUGHS CREEK 8750 -M 7.3 * -M 9.3 * CASTLE CREEK 8400 3.9 -M * 5.7 -M * COLD SPRINGS 9630 5.4 4.0 135 7.0 5.7 123 DEER PARK 9700 5.5 7.2 76 7.6 10.8 70 HOBBS PARK 10100 7.5 7.3 103 6.8 7.0 97 KIRWIN 9550 8.1 5.3 153 7.4 6.6 112 LITTLE WARM 9370 6.7 5.6 120 8.1 7.2 112 OWL CREEK 8975 3.9 2.9 134 3.9 3.2 122 SOUTH PASS 9040 6.4 7.7 83 6.5 9.7 67 ST. LAWRENCE ALT 8620 2.9 3.5 83 5.5 4.8 115 TOGWOTEE PASS 9580 14.8 13.0 114 14.4 13.9 104 TOWNSEND CREEK 8700 3.7 4.4 84 4.8 6.5 74 ----- ----- Basin Index (%) 107 95 BIGHORN BASIN BALD MTN. 9380 14.1 9.9 142 11.0 9.5 116 BEAR TRAP MEADOW 8200 5.9 2.9 203 6.4 4.6 139 BONE SPRINGS DIV 9350 10.9 8.6 127 8.4 8.4 100 GRAVE SPRINGS 8550 7.1 4.4 161 7.7 5.8 133 KIRWIN 9550 8.1 5.3 153 7.4 6.6 112 MARQUETTE 8760 4.9 -M * 6.8 -M * MIDDLE POWDER 7760 9.7 6.0 162 8.5 6.7 127 OWL CREEK 8975 3.9 2.9 134 3.9 3.2 122 POWDER RIVER PASS 9480 8.3 5.8 143 8.7 7.0 124 SHELL CREEK 9580 9.7 8.3 117 8.2 7.7 106 TIMBER CREEK 7950 3.4 2.5 136 5.0 4.2 119 ----- ----- Basin Index (%) 143 118 SHOSHONE RIVER BLACKWATER 9780 15.6 12.9 121 13.4 11.7 115 EVENING STAR 9200 19.8 14.0 141 20.3 15.8 128 MARQUETTE 8760 4.9 -M * 6.8 -M * SYLVAN ROAD 7120 7.7 6.6 117 11.3 10.6 107 YOUNTS PEAK 8350 -M 8.4 * -M 9.2 * ----- ----- Basin Index (%) 129 118 POWDER RIVER BEAR TRAP MEADOW 8200 5.9 2.9 203 6.4 4.6 139 CLOUD PEAK RESERVOIR 9860 10.6 7.2 147 9.5 7.1 134 GRAVE SPRINGS 8550 7.1 4.4 161 7.7 5.8 133 HANSEN SAWMILL 8360 4.8 3.5 137 6.5 4.5 144 MIDDLE POWDER 7760 9.7 6.0 162 8.5 6.7 127 POWDER RIVER PASS 9480 8.3 5.8 143 8.7 7.0 124 SOLDIER PARK 8720 4.8 -M * 6.2 -M * ----- ----- Basin Index (%) 156 132 TONGUE RIVER BIG GOOSE 7990 5.3 4.3 123 7.4 5.9 125 BONE SPRINGS DIV 9350 10.9 8.6 127 8.4 8.4 100 BURGESS JUNCTION 7880 7.6 5.8 131 8.8 6.7 131 DOME LAKE 8880 6.1 6.1 100 6.4 7.5 85 LITTLE GOOSE 8870 -M -M * -M -M * SUCKER CREEK 8880 9.2 6.3 146 10.2 7.7 132 TIE CREEK 6870 3.9 2.7 144 8.4 6.4 131 ----- ----- Basin Index (%) 127 116 BELLE FOURCHE COLE CANYON 5910 4.3 2.7 159 10.3 5.1 202 ----- ----- Basin Index (%) 159 202 CHEYENNE RIVER BASIN BLIND PARK 6890 6.5 4.0 162 12.6 7.0 180 NORTH RAPID CREEK 6130 5.9 3.7 159 11.4 5.7 200 ----- ----- Basin Index (%) 161 189 UPPER N. PLATTE ARAPAHO RIDGE 10960 13.5 11.2 121 13.6 12.8 106 BLACKHALL MTN 9820 18.6 -M * 19.7 -M * COLUMBINE 9160 16.6 12.4 134 18.1 14.1 128 DIVIDE PEAK 8880 10.5 10.4 101 14.1 12.0 118 JOE WRIGHT 10120 9.6 11.2 86 16.4 14.1 116 LAPRELE CREEK 8375 4.3 4.9 88 6.1 6.7 91 MED BOW 10500 14.7 -M * 20.7 -M * NORTH FRENCH CREEK 10130 18.1 13.9 130 19.2 14.6 132 NEVER SUMMER 10280 11.8 10.5 112 10.4 -M * OLD BATTLE 10000 17.3 15.6 111 20.1 19.5 103 RAWAH 9020 7.5 5.4 139 10.2 8.4 121 SAGE CREEK BASIN 7850 5.9 7.3 81 7.7 8.7 89 SAND LAKE 10050 16.8 14.4 117 16.7 13.2 127 SOUTH BRUSH CREEK 8440 7.1 6.1 116 9.5 8.4 113 TOWER 10500 25.9 22.6 115 27.0 22.1 122 WEBBER SPRINGS 9250 12.5 11.9 105 15.0 14.8 101 WILLOW CREEK PASS 9540 7.5 6.2 121 8.5 7.4 115 ZIRKEL 9340 18.0 15.8 114 20.2 16.6 122 ----- ----- Basin Index (%) 113 115 SWEETWATER DEER PARK 9700 5.5 7.2 76 7.6 10.8 70 LARSEN CREEK 9000 3.7 -M * 6.0 -M * SOUTH PASS 9040 6.4 7.7 83 6.5 9.7 67 ----- ----- Basin Index (%) 80 69 LOWER N. PLATTE CASPER MTN. 7900 -M 6.7 * -M 8.2 * LAPRELE CREEK 8375 4.3 4.9 88 6.1 6.7 91 RENO HILL 8400 10.4 6.6 158 12.5 8.0 156 WINDY PEAK 7900 3.4 3.6 94 6.1 5.8 105 ----- ----- Basin Index (%) 120 120 LARAMIE RIVER BROOKLYN LAKE 10240 14.0 10.7 131 14.5 11.1 131 CINNABAR PARK 9574 13.0 11.7 111 15.4 14.2 108 CROW CREEK 8330 4.5 5.0 90 6.5 6.0 108 DEADMAN HILL 10220 12.0 8.2 146 12.2 9.0 136 RAWAH 9020 7.5 5.4 139 10.2 8.4 121 ROACH 9700 9.3 8.7 107 11.7 10.4 112 ----- ----- Basin Index (%) 121 119 S. PLATTE BLACK MOUNTAIN 8920 6.6 -M * 8.1 -M * CROW CREEK 8330 4.5 5.0 90 6.5 6.0 108 DEADMAN HILL 10220 12.0 8.2 146 12.2 9.0 136 ----- ----- Basin Index (%) 125 125 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.7 5.6 120 10.8 8.5 127 DIVIDE PEAK 8880 10.5 10.4 101 14.1 12.0 118 ELK RIVER 8700 11.6 9.2 126 13.6 11.1 123 LITTLE SNAKE RIVER 8915 15.3 12.3 124 20.6 17.8 116 OLD BATTLE 10000 17.3 15.6 111 20.1 19.5 103 SAGE CREEK BASIN 7850 5.9 7.3 81 7.7 8.7 89 SANDSTONE RS 8150 7.1 6.7 106 11.2 10.4 108 WHISKEY PARK 8950 21.2 13.2 161 23.0 15.1 152 ----- ----- Basin Index (%) 119 117 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.8 7.0 83 5.5 7.4 74 BLIND BULL SUM 8650 14.1 12.2 116 10.5 11.2 94 EAST RIM DIVIDE 7930 7.1 5.6 127 6.2 6.7 93 ELKHART PARK G.S. 9400 7.4 6.4 116 6.9 7.5 92 GROS VENTRE SUMMIT 8750 7.6 7.4 103 6.7 7.2 93 GUNSIGHT PASS 9820 8.7 7.3 119 8.5 7.7 110 KENDALL R.S. 7740 7.3 6.5 112 8.3 8.0 104 LOOMIS PARK 8240 8.7 7.8 112 9.9 9.8 101 NEW FORK LAKE 8340 5.8 5.6 104 5.2 6.2 84 POCKET CREEK 9360 4.8 -M * 5.3 -M * SNIDER BASIN 8060 7.8 6.4 122 8.1 8.0 101 SPRING CREEK DIVIDE 9000 13.5 12.0 112 13.6 13.4 101 TRIPLE PEAK 8500 13.3 11.4 117 15.2 13.8 110 ----- ----- Basin Index (%) 112 98 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.5 -M * 6.7 -M * BUCK PASTURE 9700 6.3 -M * 8.7 -M * EF BLACKS FORK GS 9360 3.2 -M * 6.1 -M * HAMS FORK 7840 5.3 5.7 93 5.9 6.4 92 HEWINTA 9519 3.7 4.9 76 7.1 7.5 95 HICKERSON PARK 9145 4.4 3.2 138 5.9 5.6 105 HOLE-IN-ROCK 9150 3.6 3.4 106 5.6 5.2 108 INDIAN CREEK 9425 10.9 12.2 89 10.2 12.1 84 KELLEY R.S. 8180 7.4 7.4 100 9.1 10.1 90 SPIRIT LK 10235 5.7 -M * 8.5 -M * STEEL CREEK PARK 10200 6.7 7.3 92 8.8 8.7 101 ----- ----- Basin Index (%) 95 95 UPPER BEAR RIVER BEAR RIVER RS 8777 4.0 -M * 6.6 -M * BUG LAKE 7950 8.2 8.6 95 8.6 10.8 80 BURTS MILLER RANCH 8000 3.4 -M * 3.7 -M * CHALK CREEK #1 8993 10.7 11.6 92 11.6 13.7 85 HAYDEN FORK 9212 6.6 7.1 93 10.1 11.4 89 KELLEY R.S. 8180 7.4 7.4 100 9.1 10.1 90 LILY LAKE 9156 6.7 6.5 103 8.4 9.4 89 MONTE CRISTO 8960 11.0 13.6 81 11.1 14.2 78 SALT RIVER SUMMIT 7760 7.1 6.3 113 9.0 9.2 98 ----- ----- Basin Index (%) 94 86 ----------------------------------------------------------------------------- -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.