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: FEBRUARY 3 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 11.8 10.9 108 13.1 14.3 92 BLACK BEAR 8170 21.6 23.5 92 21.0 25.3 83 BLIND BULL SUM 8650 15.7 14.1 111 11.5 13.1 88 COTTONWOOD CREEK 7670 14.5 13.3 109 16.3 16.2 101 EAST RIM DIVIDE 7930 8.1 6.9 117 7.0 7.8 90 GRAND TARGHEE 9260 27.3 23.8 115 19.9 20.9 95 GRANITE CREEK 6770 9.5 10.8 88 10.6 13.9 76 GRASSY LAKE 7265 19.2 20.7 93 20.4 24.4 84 GROS VENTRE SUMMIT 8750 8.1 8.5 95 7.2 8.4 86 GUNSIGHT PASS 9820 9.5 8.4 113 9.1 9.0 101 LEWIS LAKE DIVIDE 7850 16.3 20.2 81 19.2 23.6 81 PHILLIPS BENCH 8200 14.4 16.0 90 15.2 18.6 82 SALT RIVER SUMMIT 7760 7.8 8.0 98 9.8 10.8 91 SNAKE RIVER STATION 6920 10.3 11.1 93 13.1 15.8 83 SPRING CREEK DIVIDE 9000 15.4 14.7 105 15.3 15.7 97 THUMB DIVIDE 7980 7.7 9.6 80 8.1 12.4 65 TOGWOTEE PASS 9580 16.2 15.2 107 16.1 16.1 100 TWO OCEAN PLATEAU 9240 19.8 18.0 110 16.2 17.6 92 WILLOW CREEK 8380 17.8 17.5 102 21.0 22.0 95 YOUNTS PEAK 8350 -M 9.8 * -M 10.7 * ----- ----- Basin Index (%) 100 88 MADISON-GALLATIN BLACK BEAR 8170 21.6 23.5 92 21.0 25.3 83 CANYON 7870 7.9 8.3 95 9.3 11.0 85 MADISON PLATEAU 7750 12.3 14.1 87 13.2 17.6 75 WEST YELLOWSTONE 6700 7.1 7.1 100 8.2 9.8 84 WHISKEY CREEK 6800 8.8 9.7 91 10.7 13.5 79 ----- ----- Basin Index (%) 92 81 YELLOWSTONE BEARTOOTH LAKE 9360 15.2 14.1 108 13.7 13.1 105 BURNT MTN 5880 5.9 2.5 236 12.1 8.0 151 CANYON 7870 7.9 8.3 95 9.3 11.0 85 COLE CREEK 7850 12.8 8.5 151 8.9 7.8 114 EVENING STAR 9200 21.2 16.6 128 21.8 18.3 119 FISHER CREEK 9100 22.9 20.9 110 20.1 21.2 95 NORTHEAST ENTRANCE 7350 7.3 6.5 112 8.0 8.4 95 PARKER PEAK 9400 16.8 13.3 126 15.5 11.5 135 SYLVAN LAKE 8420 13.5 13.2 102 15.6 15.1 103 THUMB DIVIDE 7980 7.7 9.6 80 8.1 12.4 65 TWO OCEAN PLATEAU 9240 19.8 18.0 110 16.2 17.6 92 WHITE MILL 8700 17.1 14.9 115 14.6 15.7 93 WOLVERINE 7650 9.6 7.2 133 7.9 8.3 95 ----- ----- Basin Index (%) 116 102 WIND RIVER BURROUGHS CREEK 8750 -M 8.6 * -M 10.7 * CASTLE CREEK 8400 4.5 -M * 6.2 -M * COLD SPRINGS 9630 5.8 4.7 123 7.8 6.3 124 DEER PARK 9700 5.7 9.4 61 8.4 12.5 67 HOBBS PARK 10100 8.0 8.0 100 7.4 7.9 94 KIRWIN 9550 8.9 5.9 151 8.1 7.4 109 LITTLE WARM 9370 7.4 6.5 114 8.7 8.3 105 OWL CREEK 8975 4.1 3.1 132 3.9 3.6 108 SOUTH PASS 9040 7.2 9.3 77 6.9 11.2 62 ST. LAWRENCE ALT 8620 3.4 4.2 81 6.0 5.4 111 TOGWOTEE PASS 9580 16.2 15.2 107 16.1 16.1 100 TOWNSEND CREEK 8700 3.8 5.3 72 5.0 7.2 69 ----- ----- Basin Index (%) 98 91 BIGHORN BASIN BALD MTN. 9380 15.5 10.9 142 11.8 10.9 108 BEAR TRAP MEADOW 8200 6.7 3.5 191 7.1 5.2 137 BONE SPRINGS DIV 9350 12.2 9.9 123 9.3 9.8 95 GRAVE SPRINGS 8550 7.7 4.9 157 8.3 6.6 126 KIRWIN 9550 8.9 5.9 151 8.1 7.4 109 MARQUETTE 8760 5.3 -M * 7.3 -M * MIDDLE POWDER 7760 10.8 6.4 169 9.2 7.5 123 OWL CREEK 8975 4.1 3.1 132 3.9 3.6 108 POWDER RIVER PASS 9480 9.7 6.6 147 10.1 8.0 126 SHELL CREEK 9580 11.1 9.2 121 9.4 9.1 103 TIMBER CREEK 7950 3.9 3.0 130 5.5 4.6 120 ----- ----- Basin Index (%) 143 114 SHOSHONE RIVER BLACKWATER 9780 16.9 14.9 113 14.4 13.4 107 EVENING STAR 9200 21.2 16.6 128 21.8 18.3 119 MARQUETTE 8760 5.3 -M * 7.3 -M * SYLVAN ROAD 7120 8.3 7.9 105 12.3 12.1 102 YOUNTS PEAK 8350 -M 9.8 * -M 10.7 * ----- ----- Basin Index (%) 118 111 POWDER RIVER BEAR TRAP MEADOW 8200 6.7 3.5 191 7.1 5.2 137 CLOUD PEAK RESERVOIR 9860 11.6 8.5 136 10.1 8.0 126 GRAVE SPRINGS 8550 7.7 4.9 157 8.3 6.6 126 HANSEN SAWMILL 8360 4.8 4.0 120 6.9 5.1 135 MIDDLE POWDER 7760 10.8 6.4 169 9.2 7.5 123 POWDER RIVER PASS 9480 9.7 6.6 147 10.1 8.0 126 SOLDIER PARK 8720 5.4 -M * 6.6 -M * ----- ----- Basin Index (%) 151 128 TONGUE RIVER BIG GOOSE 7990 5.6 4.9 114 8.0 6.6 121 BONE SPRINGS DIV 9350 12.2 9.9 123 9.3 9.8 95 BURGESS JUNCTION 7880 8.6 6.7 128 9.6 7.6 126 DOME LAKE 8880 6.6 6.9 96 6.9 8.5 81 LITTLE GOOSE 8870 6.6 -M * 9.1 -M * SUCKER CREEK 8880 10.1 7.2 140 11.2 8.8 127 TIE CREEK 6870 4.4 3.4 129 9.0 7.2 125 ----- ----- Basin Index (%) 122 111 BELLE FOURCHE COLE CANYON 5910 4.5 3.3 136 10.9 5.7 191 ----- ----- Basin Index (%) 136 191 CHEYENNE RIVER BASIN BLIND PARK 6890 6.5 4.8 135 13.3 7.9 168 NORTH RAPID CREEK 6130 6.3 4.3 147 11.8 6.3 187 ----- ----- Basin Index (%) 141 177 UPPER N. PLATTE ARAPAHO RIDGE 10960 15.2 13.4 113 15.1 14.4 105 BLACKHALL MTN 9820 20.9 -M * 21.6 -M * COLUMBINE 9160 19.5 14.9 131 18.1 16.6 109 DIVIDE PEAK 8880 11.7 12.5 94 15.4 13.9 111 JOE WRIGHT 10120 11.5 13.1 88 18.8 16.3 115 LAPRELE CREEK 8375 4.8 5.5 87 6.7 7.6 88 MED BOW 10500 16.7 -M * 23.3 -M * NORTH FRENCH CREEK 10130 -M 16.2 * -M 17.1 * NEVER SUMMER 10280 13.3 12.8 104 11.6 -M * OLD BATTLE 10000 19.7 19.4 102 22.5 22.8 99 RAWAH 9020 8.8 6.3 140 11.4 9.1 125 SAGE CREEK BASIN 7850 6.8 8.6 79 8.4 10.0 84 SAND LAKE 10050 19.5 16.7 117 19.1 15.4 124 SOUTH BRUSH CREEK 8440 7.7 7.4 104 10.4 9.7 107 TOWER 10500 29.5 28.0 105 27.2 25.8 105 WEBBER SPRINGS 9250 14.4 14.1 102 16.8 17.3 97 WILLOW CREEK PASS 9540 8.2 7.8 105 9.1 8.4 108 ZIRKEL 9340 20.9 18.8 111 20.9 19.3 108 ----- ----- Basin Index (%) 106 106 SWEETWATER DEER PARK 9700 5.7 9.4 61 8.4 12.5 67 LARSEN CREEK 9000 4.5 -M * 7.0 -M * SOUTH PASS 9040 7.2 9.3 77 6.9 11.2 62 ----- ----- Basin Index (%) 69 65 LOWER N. PLATTE CASPER MTN. 7900 -M 7.6 * -M 9.1 * LAPRELE CREEK 8375 4.8 5.5 87 6.7 7.6 88 RENO HILL 8400 11.0 7.8 141 12.8 9.0 142 WINDY PEAK 7900 4.1 4.2 98 6.8 6.4 106 ----- ----- Basin Index (%) 114 114 LARAMIE RIVER BROOKLYN LAKE 10240 16.9 12.0 141 15.5 13.1 118 CINNABAR PARK 9574 14.4 13.4 107 18.1 16.3 111 CROW CREEK 8330 5.8 5.7 102 7.5 6.4 117 DEADMAN HILL 10220 14.1 10.3 137 14.1 10.4 136 RAWAH 9020 8.8 6.3 140 11.4 9.1 125 ROACH 9700 11.1 10.1 110 13.5 12.0 112 ----- ----- Basin Index (%) 123 119 S. PLATTE BLACK MOUNTAIN 8920 7.6 -M * 9.2 -M * CROW CREEK 8330 5.8 5.7 102 7.5 6.4 117 DEADMAN HILL 10220 14.1 10.3 137 14.1 10.4 136 ----- ----- Basin Index (%) 124 129 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 7.7 7.2 107 11.9 9.8 121 DIVIDE PEAK 8880 11.7 12.5 94 15.4 13.9 111 ELK RIVER 8700 13.0 11.6 112 14.7 13.0 113 LITTLE SNAKE RIVER 8915 17.7 15.9 111 20.9 21.1 99 OLD BATTLE 10000 19.7 19.4 102 22.5 22.8 99 SAGE CREEK BASIN 7850 6.8 8.6 79 8.4 10.0 84 SANDSTONE RS 8150 8.2 8.2 100 12.7 12.2 104 WHISKEY PARK 8950 24.3 16.4 148 26.0 18.2 143 ----- ----- Basin Index (%) 109 110 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.6 8.4 79 6.4 8.5 75 BLIND BULL SUM 8650 15.7 14.1 111 11.5 13.1 88 EAST RIM DIVIDE 7930 8.1 6.9 117 7.0 7.8 90 ELKHART PARK G.S. 9400 8.4 7.6 111 7.8 8.6 91 GROS VENTRE SUMMIT 8750 8.1 8.5 95 7.2 8.4 86 GUNSIGHT PASS 9820 9.5 8.4 113 9.1 9.0 101 KENDALL R.S. 7740 8.4 7.8 108 9.2 9.4 98 LOOMIS PARK 8240 9.9 9.7 102 11.2 11.5 97 NEW FORK LAKE 8340 6.7 6.8 99 5.8 7.2 81 POCKET CREEK 9360 5.2 -M * 5.9 -M * SNIDER BASIN 8060 9.1 7.7 118 9.3 9.4 99 SPRING CREEK DIVIDE 9000 15.4 14.7 105 15.3 15.7 97 TRIPLE PEAK 8500 14.9 13.5 110 16.9 16.4 103 ----- ----- Basin Index (%) 106 93 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.7 -M * 7.3 -M * BUCK PASTURE 9700 6.8 -M * 9.1 -M * EF BLACKS FORK GS 9360 3.1 -M * 6.2 -M * HAMS FORK 7840 6.4 7.3 88 6.6 7.4 89 HEWINTA 9519 4.4 5.9 75 7.6 8.8 86 HICKERSON PARK 9145 4.7 3.9 121 5.9 6.2 95 HOLE-IN-ROCK 9150 4.0 4.1 98 5.8 5.8 100 INDIAN CREEK 9425 12.6 14.7 86 11.6 14.3 81 KELLEY R.S. 8180 8.6 9.2 93 10.3 11.8 87 SPIRIT LK 10235 5.9 -M * 9.0 -M * STEEL CREEK PARK 10200 6.4 8.8 73 9.6 10.1 95 ----- ----- Basin Index (%) 87 89 UPPER BEAR RIVER BEAR RIVER RS 8777 4.6 -M * 7.2 -M * BUG LAKE 7950 9.8 11.2 88 9.5 12.6 75 BURTS MILLER RANCH 8000 4.0 -M * 4.1 -M * CHALK CREEK #1 8993 11.7 13.4 87 12.6 16.0 79 HAYDEN FORK 9212 7.3 8.8 83 11.1 13.4 83 KELLEY R.S. 8180 8.6 9.2 93 10.3 11.8 87 LILY LAKE 9156 7.6 7.5 101 9.2 10.9 84 MONTE CRISTO 8960 12.2 16.1 76 12.0 16.6 72 SALT RIVER SUMMIT 7760 7.8 8.0 98 9.8 10.8 91 ----- ----- Basin Index (%) 88 81 ----------------------------------------------------------------------------- -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.