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 FRIDAY: FEBRUARY 7 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 12.2 11.1 110 13.6 14.5 94 BLACK BEAR 8170 22.3 24.3 92 21.5 25.8 83 BLIND BULL SUM 8650 16.2 14.7 110 11.8 13.3 89 COTTONWOOD CREEK 7670 15.2 13.6 112 17.0 16.4 104 EAST RIM DIVIDE 7930 8.4 6.9 122 7.2 8.0 90 GRAND TARGHEE 9260 28.1 24.4 115 20.4 21.6 94 GRANITE CREEK 6770 9.9 11.2 88 11.0 14.1 78 GRASSY LAKE 7265 20.2 21.4 94 21.0 24.9 84 GROS VENTRE SUMMIT 8750 8.1 8.6 94 7.4 8.5 87 GUNSIGHT PASS 9820 9.8 8.6 114 9.4 9.2 102 LEWIS LAKE DIVIDE 7850 17.2 20.9 82 19.9 23.9 83 PHILLIPS BENCH 8200 15.1 16.4 92 16.0 18.9 85 SALT RIVER SUMMIT 7760 8.3 8.3 100 10.2 11.0 93 SNAKE RIVER STATION 6920 10.6 11.7 91 13.4 16.0 84 SPRING CREEK DIVIDE 9000 16.1 15.3 105 16.0 16.0 100 THUMB DIVIDE 7980 8.0 9.7 82 8.4 12.6 67 TOGWOTEE PASS 9580 16.6 15.5 107 16.5 16.4 101 TWO OCEAN PLATEAU 9240 20.4 18.5 110 16.3 17.9 91 WILLOW CREEK 8380 18.8 18.1 104 21.8 22.4 97 YOUNTS PEAK 8350 -M 10.1 * -M 10.8 * ----- ----- Basin Index (%) 101 90 MADISON-GALLATIN BLACK BEAR 8170 22.3 24.3 92 21.5 25.8 83 CANYON 7870 8.3 8.5 98 9.7 11.1 87 MADISON PLATEAU 7750 12.8 14.6 88 13.6 18.0 76 WEST YELLOWSTONE 6700 7.4 7.2 103 8.6 10.0 86 WHISKEY CREEK 6800 9.2 9.8 94 11.3 13.7 82 ----- ----- Basin Index (%) 93 82 YELLOWSTONE BEARTOOTH LAKE 9360 15.4 14.4 107 13.7 13.3 103 BURNT MTN 5880 6.0 2.7 222 12.2 8.2 149 CANYON 7870 8.3 8.5 98 9.7 11.1 87 COLE CREEK 7850 12.7 8.7 146 9.1 7.9 115 EVENING STAR 9200 21.4 16.7 128 21.9 18.6 118 FISHER CREEK 9100 23.2 21.5 108 20.3 21.6 94 NORTHEAST ENTRANCE 7350 7.6 6.7 113 8.1 8.6 94 PARKER PEAK 9400 17.0 13.5 126 15.6 11.8 132 SYLVAN LAKE 8420 13.9 13.5 103 15.9 15.4 103 THUMB DIVIDE 7980 8.0 9.7 82 8.4 12.6 67 TWO OCEAN PLATEAU 9240 20.4 18.5 110 16.3 17.9 91 WHITE MILL 8700 17.5 15.2 115 14.8 16.0 92 WOLVERINE 7650 9.8 7.2 136 8.0 8.5 94 ----- ----- Basin Index (%) 116 101 WIND RIVER BURROUGHS CREEK 8750 -M 8.8 * -M 10.8 * CASTLE CREEK 8400 4.8 -M * 6.4 -M * COLD SPRINGS 9630 6.1 4.8 127 8.2 6.4 128 DEER PARK 9700 5.9 9.5 62 8.8 12.8 69 HOBBS PARK 10100 8.2 8.0 102 7.3 8.1 90 KIRWIN 9550 9.1 6.0 152 8.1 7.4 109 LITTLE WARM 9370 7.7 6.6 117 9.1 8.5 107 OWL CREEK 8975 4.3 3.1 139 4.1 3.7 111 SOUTH PASS 9040 7.6 9.7 78 7.2 11.3 64 ST. LAWRENCE ALT 8620 33.2 4.2 790 6.0 5.5 109 TOGWOTEE PASS 9580 16.6 15.5 107 16.5 16.4 101 TOWNSEND CREEK 8700 4.1 5.5 75 5.1 7.3 70 ----- ----- Basin Index (%) 141 92 BIGHORN BASIN BALD MTN. 9380 15.6 11.2 139 11.7 11.1 105 BEAR TRAP MEADOW 8200 6.9 3.6 192 7.3 5.3 138 BONE SPRINGS DIV 9350 12.4 9.9 125 9.2 10.0 92 GRAVE SPRINGS 8550 7.7 5.1 151 8.5 6.7 127 KIRWIN 9550 9.1 6.0 152 8.1 7.4 109 MARQUETTE 8760 5.5 -M * 7.4 -M * MIDDLE POWDER 7760 10.8 6.6 164 9.3 7.6 122 OWL CREEK 8975 4.3 3.1 139 4.1 3.7 111 POWDER RIVER PASS 9480 9.8 6.9 142 10.1 8.1 125 SHELL CREEK 9580 11.2 9.4 119 9.6 9.2 104 TIMBER CREEK 7950 3.9 3.1 126 5.5 4.6 120 ----- ----- Basin Index (%) 141 113 SHOSHONE RIVER BLACKWATER 9780 17.3 15.0 115 14.6 13.7 107 EVENING STAR 9200 21.4 16.7 128 21.9 18.6 118 MARQUETTE 8760 5.5 -M * 7.4 -M * SYLVAN ROAD 7120 8.6 8.0 108 12.6 12.2 103 YOUNTS PEAK 8350 -M 10.1 * -M 10.8 * ----- ----- Basin Index (%) 119 110 POWDER RIVER BEAR TRAP MEADOW 8200 6.9 3.6 192 7.3 5.3 138 CLOUD PEAK RESERVOIR 9860 11.7 8.7 134 10.2 8.2 124 GRAVE SPRINGS 8550 7.7 5.1 151 8.5 6.7 127 HANSEN SAWMILL 8360 5.0 4.0 125 7.1 5.2 137 MIDDLE POWDER 7760 10.8 6.6 164 9.3 7.6 122 POWDER RIVER PASS 9480 9.8 6.9 142 10.1 8.1 125 SOLDIER PARK 8720 5.2 -M * 6.6 -M * ----- ----- Basin Index (%) 149 128 TONGUE RIVER BIG GOOSE 7990 5.8 5.1 114 8.1 6.8 119 BONE SPRINGS DIV 9350 12.4 9.9 125 9.2 10.0 92 BURGESS JUNCTION 7880 8.6 7.0 123 9.7 7.8 124 DOME LAKE 8880 6.6 7.2 92 7.1 8.7 82 LITTLE GOOSE 8870 6.9 -M * 9.1 -M * SUCKER CREEK 8880 10.1 7.4 136 11.2 9.0 124 TIE CREEK 6870 4.5 3.5 129 8.9 7.3 122 ----- ----- Basin Index (%) 120 109 BELLE FOURCHE COLE CANYON 5910 4.8 3.6 133 11.3 6.0 188 ----- ----- Basin Index (%) 133 188 CHEYENNE RIVER BASIN BLIND PARK 6890 6.7 5.1 131 13.5 8.1 167 NORTH RAPID CREEK 6130 6.5 4.6 141 12.0 6.5 185 ----- ----- Basin Index (%) 136 175 UPPER N. PLATTE ARAPAHO RIDGE 10960 15.9 13.8 115 15.7 14.8 106 BLACKHALL MTN 9820 22.0 -M * 22.1 -M * COLUMBINE 9160 20.5 15.5 132 18.1 17.0 106 DIVIDE PEAK 8880 12.2 13.1 93 15.4 14.2 108 JOE WRIGHT 10120 12.0 13.3 90 19.0 16.6 114 LAPRELE CREEK 8375 4.9 5.7 86 7.0 7.8 90 MED BOW 10500 18.3 -M * 26.7 -M * NORTH FRENCH CREEK 10130 -M 16.7 * -M 17.4 * NEVER SUMMER 10280 13.9 13.0 107 11.9 -M * OLD BATTLE 10000 20.6 20.1 102 23.1 23.3 99 RAWAH 9020 9.2 6.6 139 11.8 9.4 126 SAGE CREEK BASIN 7850 7.2 8.9 81 8.6 10.3 83 SAND LAKE 10050 20.2 17.2 117 19.6 15.7 125 SOUTH BRUSH CREEK 8440 8.0 7.6 105 10.6 9.9 107 TOWER 10500 31.0 29.1 107 27.3 26.5 103 WEBBER SPRINGS 9250 15.1 14.9 101 17.9 17.6 102 WILLOW CREEK PASS 9540 8.5 8.0 106 9.5 8.6 110 ZIRKEL 9340 22.0 19.3 114 20.9 19.8 106 ----- ----- Basin Index (%) 107 106 SWEETWATER DEER PARK 9700 5.9 9.5 62 8.8 12.8 69 LARSEN CREEK 9000 5.0 -M * 7.4 -M * SOUTH PASS 9040 7.6 9.7 78 7.2 11.3 64 ----- ----- Basin Index (%) 70 66 LOWER N. PLATTE CASPER MTN. 7900 -M 8.0 * -M 9.4 * LAPRELE CREEK 8375 4.9 5.7 86 7.0 7.8 90 RENO HILL 8400 11.2 8.1 138 12.7 9.3 137 WINDY PEAK 7900 4.4 4.4 100 7.0 6.6 106 ----- ----- Basin Index (%) 113 113 LARAMIE RIVER BROOKLYN LAKE 10240 17.5 12.3 142 15.9 13.4 119 CINNABAR PARK 9574 15.1 13.8 109 18.2 16.8 108 CROW CREEK 8330 6.1 5.7 107 7.8 6.6 118 DEADMAN HILL 10220 14.5 10.6 137 14.1 10.6 133 RAWAH 9020 9.2 6.6 139 11.8 9.4 126 ROACH 9700 11.4 10.5 109 14.0 12.3 114 ----- ----- Basin Index (%) 124 118 S. PLATTE BLACK MOUNTAIN 8920 7.9 -M * 9.4 -M * CROW CREEK 8330 6.1 5.7 107 7.8 6.6 118 DEADMAN HILL 10220 14.5 10.6 137 14.1 10.6 133 ----- ----- Basin Index (%) 126 127 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.1 7.4 109 12.4 10.0 124 DIVIDE PEAK 8880 12.2 13.1 93 15.4 14.2 108 ELK RIVER 8700 13.5 12.1 112 14.8 13.3 111 LITTLE SNAKE RIVER 8915 18.7 16.5 113 21.1 21.6 98 OLD BATTLE 10000 20.6 20.1 102 23.1 23.3 99 SAGE CREEK BASIN 7850 7.2 8.9 81 8.6 10.3 83 SANDSTONE RS 8150 8.7 8.5 102 13.1 12.4 106 WHISKEY PARK 8950 25.4 17.0 149 26.5 18.6 142 ----- ----- Basin Index (%) 110 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 7.3 8.6 85 6.9 8.6 80 BLIND BULL SUM 8650 16.2 14.7 110 11.8 13.3 89 EAST RIM DIVIDE 7930 8.4 6.9 122 7.2 8.0 90 ELKHART PARK G.S. 9400 8.8 7.8 113 8.2 8.8 93 GROS VENTRE SUMMIT 8750 8.1 8.6 94 7.4 8.5 87 GUNSIGHT PASS 9820 9.8 8.6 114 9.4 9.2 102 KENDALL R.S. 7740 8.9 8.0 111 9.7 9.6 101 LOOMIS PARK 8240 10.3 9.9 104 11.7 11.7 100 NEW FORK LAKE 8340 7.0 6.9 101 6.1 7.3 84 POCKET CREEK 9360 5.8 -M * 6.6 -M * SNIDER BASIN 8060 9.6 8.1 119 9.6 9.6 100 SPRING CREEK DIVIDE 9000 16.1 15.3 105 16.0 16.0 100 TRIPLE PEAK 8500 15.4 13.8 112 17.3 16.6 104 ----- ----- Basin Index (%) 107 95 LOWER GREEN RIVER BLACKS FORK JCT 8870 4.2 -M * 7.5 -M * BUCK PASTURE 9700 7.0 -M * 9.1 -M * EF BLACKS FORK GS 9360 3.1 -M * 6.4 -M * HAMS FORK 7840 6.9 7.6 91 7.0 7.6 92 HEWINTA 9519 4.5 6.2 73 7.9 9.0 88 HICKERSON PARK 9145 4.9 4.0 122 6.2 6.4 97 HOLE-IN-ROCK 9150 4.0 4.2 95 5.9 5.9 100 INDIAN CREEK 9425 13.3 15.1 88 12.2 14.6 84 KELLEY R.S. 8180 9.0 9.4 96 10.8 12.0 90 SPIRIT LK 10235 6.1 -M * 9.3 -M * STEEL CREEK PARK 10200 7.6 9.1 84 9.7 10.3 94 ----- ----- Basin Index (%) 90 91 UPPER BEAR RIVER BEAR RIVER RS 8777 4.7 -M * 7.3 -M * BUG LAKE 7950 11.0 11.8 93 10.5 12.9 81 BURTS MILLER RANCH 8000 4.1 -M * 4.4 -M * CHALK CREEK #1 8993 12.0 13.8 87 12.9 16.3 79 HAYDEN FORK 9212 7.4 9.1 81 11.3 13.6 83 KELLEY R.S. 8180 9.0 9.4 96 10.8 12.0 90 LILY LAKE 9156 7.7 7.6 101 9.3 11.1 84 MONTE CRISTO 8960 13.0 16.6 78 12.8 16.9 76 SALT RIVER SUMMIT 7760 8.3 8.3 100 10.2 11.0 93 ----- ----- Basin Index (%) 89 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.