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 14 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 15.1 12.4 122 16.2 15.3 106 BLACK BEAR 8170 25.4 26.9 94 24.3 27.3 89 BLIND BULL SUM 8650 21.6 15.7 138 15.3 14.2 108 COTTONWOOD CREEK 7670 20.2 14.5 139 22.0 17.5 126 EAST RIM DIVIDE 7930 11.2 7.2 156 9.9 8.4 118 GRAND TARGHEE 9260 31.9 26.0 123 23.2 22.9 101 GRANITE CREEK 6770 13.8 12.1 114 14.8 14.8 100 GRASSY LAKE 7265 24.6 23.5 105 24.8 26.4 94 GROS VENTRE SUMMIT 8750 9.7 8.9 109 9.1 8.9 102 GUNSIGHT PASS 9820 12.1 9.2 132 11.5 9.8 117 LEWIS LAKE DIVIDE 7850 22.5 22.8 99 24.3 25.6 95 PHILLIPS BENCH 8200 20.2 17.6 115 20.8 20.1 103 SALT RIVER SUMMIT 7760 11.6 9.0 129 13.1 11.8 111 SNAKE RIVER STATION 6920 13.1 12.9 102 15.9 16.9 94 SPRING CREEK DIVIDE 9000 21.9 16.2 135 21.4 17.1 125 THUMB DIVIDE 7980 10.1 10.4 97 10.1 13.2 77 TOGWOTEE PASS 9580 20.2 16.3 124 19.9 17.4 114 TWO OCEAN PLATEAU 9240 24.2 19.3 125 19.1 19.2 99 WILLOW CREEK 8380 24.1 19.0 127 26.4 23.8 111 YOUNTS PEAK 8350 -M 10.6 * -M 11.4 * ----- ----- Basin Index (%) 118 103 MADISON-GALLATIN BLACK BEAR 8170 25.4 26.9 94 24.3 27.3 89 CANYON 7870 9.3 9.2 101 10.9 11.8 92 MADISON PLATEAU 7750 14.5 15.5 94 15.1 18.9 80 WEST YELLOWSTONE 6700 8.6 7.5 115 9.7 10.6 92 WHISKEY CREEK 6800 10.5 10.5 100 12.6 14.5 87 ----- ----- Basin Index (%) 98 87 YELLOWSTONE BEARTOOTH LAKE 9360 17.8 15.2 117 16.4 14.2 115 BURNT MTN 5880 6.6 3.3 200 13.4 8.5 158 CANYON 7870 9.3 9.2 101 10.9 11.8 92 COLE CREEK 7850 13.4 8.8 152 9.5 8.3 114 EVENING STAR 9200 24.7 17.3 143 25.2 19.8 127 FISHER CREEK 9100 26.4 22.7 116 22.9 22.8 100 NORTHEAST ENTRANCE 7350 8.9 7.2 124 9.5 9.0 106 PARKER PEAK 9400 19.4 13.9 140 17.3 12.5 138 SYLVAN LAKE 8420 15.7 13.9 113 17.9 16.2 110 THUMB DIVIDE 7980 10.1 10.4 97 10.1 13.2 77 TWO OCEAN PLATEAU 9240 24.2 19.3 125 19.1 19.2 99 WHITE MILL 8700 19.9 16.1 124 17.2 17.0 101 WOLVERINE 7650 11.8 7.8 151 10.1 9.0 112 ----- ----- Basin Index (%) 126 110 WIND RIVER BURROUGHS CREEK 8750 -M 9.3 * -M 11.4 * CASTLE CREEK 8400 6.8 -M * 8.4 -M * COLD SPRINGS 9630 7.5 5.0 150 9.4 6.6 142 DEER PARK 9700 7.6 9.6 79 11.1 13.6 82 HOBBS PARK 10100 9.3 8.4 111 8.2 8.5 96 KIRWIN 9550 11.9 6.2 192 10.5 7.8 135 LITTLE WARM 9370 9.0 7.1 127 10.6 8.9 119 OWL CREEK 8975 5.1 3.2 159 5.1 3.8 134 SOUTH PASS 9040 10.1 10.0 101 9.5 11.9 80 ST. LAWRENCE ALT 8620 3.5 4.5 78 6.4 5.7 112 TOGWOTEE PASS 9580 20.2 16.3 124 19.9 17.4 114 TOWNSEND CREEK 8700 4.7 5.8 81 5.7 7.7 74 ----- ----- Basin Index (%) 117 105 BIGHORN BASIN BALD MTN. 9380 16.7 12.6 133 12.8 11.7 109 BEAR TRAP MEADOW 8200 7.3 3.8 192 7.8 5.5 142 BONE SPRINGS DIV 9350 13.6 10.6 128 10.4 10.5 99 GRAVE SPRINGS 8550 8.1 5.5 147 8.7 7.1 123 KIRWIN 9550 11.9 6.2 192 10.5 7.8 135 MARQUETTE 8760 6.5 -M * 8.4 -M * MIDDLE POWDER 7760 10.9 7.0 156 9.7 8.0 121 OWL CREEK 8975 5.1 3.2 159 5.1 3.8 134 POWDER RIVER PASS 9480 10.4 7.1 146 11.0 8.6 128 SHELL CREEK 9580 12.2 10.0 122 10.2 9.6 106 TIMBER CREEK 7950 4.5 3.1 145 6.1 4.8 127 ----- ----- Basin Index (%) 146 119 SHOSHONE RIVER BLACKWATER 9780 20.8 15.4 135 18.0 14.4 125 EVENING STAR 9200 24.7 17.3 143 25.2 19.8 127 MARQUETTE 8760 6.5 -M * 8.4 -M * SYLVAN ROAD 7120 10.2 8.6 119 14.4 12.8 112 YOUNTS PEAK 8350 -M 10.6 * -M 11.4 * ----- ----- Basin Index (%) 135 123 POWDER RIVER BEAR TRAP MEADOW 8200 7.3 3.8 192 7.8 5.5 142 CLOUD PEAK RESERVOIR 9860 12.9 9.4 137 11.2 8.6 130 GRAVE SPRINGS 8550 8.1 5.5 147 8.7 7.1 123 HANSEN SAWMILL 8360 6.0 4.3 140 7.9 5.4 146 MIDDLE POWDER 7760 10.9 7.0 156 9.7 8.0 121 POWDER RIVER PASS 9480 10.4 7.1 146 11.0 8.6 128 SOLDIER PARK 8720 7.0 -M * 7.3 -M * ----- ----- Basin Index (%) 150 130 TONGUE RIVER BIG GOOSE 7990 6.7 5.6 120 8.7 7.2 121 BONE SPRINGS DIV 9350 13.6 10.6 128 10.4 10.5 99 BURGESS JUNCTION 7880 9.3 7.3 127 10.5 8.1 130 DOME LAKE 8880 8.1 7.6 107 7.8 9.0 87 LITTLE GOOSE 8870 7.6 -M * 10.1 -M * SUCKER CREEK 8880 11.0 7.8 141 12.2 9.5 128 TIE CREEK 6870 5.2 3.8 137 9.9 7.6 130 ----- ----- Basin Index (%) 126 115 BELLE FOURCHE COLE CANYON 5910 5.7 4.3 133 11.3 6.5 174 ----- ----- Basin Index (%) 133 174 CHEYENNE RIVER BASIN BLIND PARK 6890 7.3 5.5 133 13.8 8.4 164 NORTH RAPID CREEK 6130 7.0 5.2 135 12.7 6.9 184 ----- ----- Basin Index (%) 134 173 UPPER N. PLATTE ARAPAHO RIDGE 10960 19.5 14.5 134 19.2 15.8 122 BLACKHALL MTN 9820 26.1 -M * 26.6 -M * COLUMBINE 9160 25.6 16.9 151 17.8 18.2 98 DIVIDE PEAK 8880 13.5 13.9 97 17.3 15.1 115 JOE WRIGHT 10120 14.4 14.1 102 22.7 17.7 128 LAPRELE CREEK 8375 5.7 6.3 90 7.2 8.3 87 MED BOW 10500 16.6 -M * 25.6 -M * NORTH FRENCH CREEK 10130 -M 18.6 * -M 18.7 * NEVER SUMMER 10280 16.8 13.8 122 13.7 -M * OLD BATTLE 10000 24.1 21.5 112 27.7 25.0 111 RAWAH 9020 10.3 7.2 143 13.0 9.7 134 SAGE CREEK BASIN 7850 8.3 9.3 89 9.6 10.8 89 SAND LAKE 10050 22.3 18.2 123 21.6 16.7 129 SOUTH BRUSH CREEK 8440 8.6 8.0 108 11.2 10.4 108 TOWER 10500 39.2 31.7 124 27.5 28.3 97 WEBBER SPRINGS 9250 18.2 16.2 112 21.0 18.7 112 WILLOW CREEK PASS 9540 10.0 8.4 119 10.9 9.1 120 ZIRKEL 9340 29.1 20.4 143 21.9 21.0 104 ----- ----- Basin Index (%) 121 111 SWEETWATER DEER PARK 9700 7.6 9.6 79 11.1 13.6 82 LARSEN CREEK 9000 7.7 8.3 93 9.9 -M * SOUTH PASS 9040 10.1 10.0 101 9.5 11.9 80 ----- ----- Basin Index (%) 91 81 LOWER N. PLATTE CASPER MTN. 7900 -M 8.5 * -M 9.9 * LAPRELE CREEK 8375 5.7 6.3 90 7.2 8.3 87 RENO HILL 8400 11.8 8.5 139 13.9 9.9 140 WINDY PEAK 7900 5.0 4.9 102 7.4 7.0 106 ----- ----- Basin Index (%) 114 113 LARAMIE RIVER BROOKLYN LAKE 10240 20.8 13.5 154 20.4 14.2 144 CINNABAR PARK 9574 16.7 15.3 109 20.6 17.8 116 CROW CREEK 8330 6.4 6.1 105 8.0 7.0 114 DEADMAN HILL 10220 17.1 11.2 153 16.5 11.3 146 RAWAH 9020 10.3 7.2 143 13.0 9.7 134 ROACH 9700 -M 11.2 * -M 13.0 * ----- ----- Basin Index (%) 134 131 S. PLATTE BLACK MOUNTAIN 8920 8.5 -M * 10.0 -M * CROW CREEK 8330 6.4 6.1 105 8.0 7.0 114 DEADMAN HILL 10220 17.1 11.2 153 16.5 11.3 146 ----- ----- Basin Index (%) 136 134 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.9 8.3 107 13.3 10.8 123 DIVIDE PEAK 8880 13.5 13.9 97 17.3 15.1 115 ELK RIVER 8700 15.2 13.3 114 16.6 14.2 117 LITTLE SNAKE RIVER 8915 22.6 17.8 127 26.7 22.8 117 OLD BATTLE 10000 24.1 21.5 112 27.7 25.0 111 SAGE CREEK BASIN 7850 8.3 9.3 89 9.6 10.8 89 SANDSTONE RS 8150 9.8 9.5 103 14.3 13.4 107 WHISKEY PARK 8950 29.4 18.5 159 30.5 20.0 152 ----- ----- Basin Index (%) 118 118 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.8 8.8 111 9.2 9.2 100 BLIND BULL SUM 8650 21.6 15.7 138 15.3 14.2 108 EAST RIM DIVIDE 7930 11.2 7.2 156 9.9 8.4 118 ELKHART PARK G.S. 9400 11.5 8.3 139 10.7 9.3 115 GROS VENTRE SUMMIT 8750 9.7 8.9 109 9.1 8.9 102 GUNSIGHT PASS 9820 12.1 9.2 132 11.5 9.8 117 KENDALL R.S. 7740 12.8 8.7 147 13.5 10.2 132 LOOMIS PARK 8240 14.7 10.5 140 15.9 12.4 128 NEW FORK LAKE 8340 9.9 7.4 134 8.2 7.7 106 POCKET CREEK 9360 8.4 -M * 8.9 -M * SNIDER BASIN 8060 13.1 8.8 149 13.0 10.2 127 SPRING CREEK DIVIDE 9000 21.9 16.2 135 21.4 17.1 125 TRIPLE PEAK 8500 21.2 15.3 139 23.2 17.7 131 ----- ----- Basin Index (%) 136 119 LOWER GREEN RIVER BLACKS FORK JCT 8870 5.7 -M * 9.2 -M * BUCK PASTURE 9700 9.2 -M * 10.9 -M * EF BLACKS FORK GS 9360 4.5 -M * 7.5 -M * HAMS FORK 7840 10.5 8.2 128 9.6 8.1 119 HEWINTA 9519 6.4 6.8 94 9.6 9.6 100 HICKERSON PARK 9145 5.4 4.8 112 6.9 6.8 101 HOLE-IN-ROCK 9150 5.0 4.6 109 6.6 6.3 105 INDIAN CREEK 9425 19.4 16.2 120 17.0 15.6 109 KELLEY R.S. 8180 12.7 10.1 126 14.4 12.8 112 SPIRIT LK 10235 6.4 -M * 9.8 -M * STEEL CREEK PARK 10200 9.7 10.0 97 11.4 11.0 104 ----- ----- Basin Index (%) 114 108 UPPER BEAR RIVER BEAR RIVER RS 8777 6.0 -M * 8.4 -M * BUG LAKE 7950 -M 12.8 * -M 13.6 * BURTS MILLER RANCH 8000 5.1 -M * 5.1 -M * CHALK CREEK #1 8993 15.0 15.5 97 15.6 17.3 90 HAYDEN FORK 9212 10.1 10.3 98 14.0 14.5 97 KELLEY R.S. 8180 12.7 10.1 126 14.4 12.8 112 LILY LAKE 9156 9.4 8.6 109 10.8 11.8 92 MONTE CRISTO 8960 18.2 18.2 100 17.1 18.0 95 SALT RIVER SUMMIT 7760 11.6 9.0 129 13.1 11.8 111 ----- ----- Basin Index (%) 107 99 ----------------------------------------------------------------------------- -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.