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 SUNDAY: FEBRUARY 2 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 11.7 10.9 107 13.0 14.2 92 BLACK BEAR 8170 21.5 23.4 92 20.8 25.2 83 BLIND BULL SUM 8650 15.7 14.0 112 11.4 13.0 88 COTTONWOOD CREEK 7670 14.5 13.1 111 16.3 16.1 101 EAST RIM DIVIDE 7930 8.1 6.8 119 6.9 7.8 88 GRAND TARGHEE 9260 27.2 23.7 115 19.8 20.8 95 GRANITE CREEK 6770 9.4 10.7 88 10.5 13.8 76 GRASSY LAKE 7265 19.1 20.5 93 20.2 24.3 83 GROS VENTRE SUMMIT 8750 8.1 8.5 95 7.0 8.3 84 GUNSIGHT PASS 9820 9.5 8.3 114 9.0 8.9 101 LEWIS LAKE DIVIDE 7850 16.2 20.1 81 19.0 23.4 81 PHILLIPS BENCH 8200 14.3 16.0 89 15.2 18.4 83 SALT RIVER SUMMIT 7760 7.8 7.9 99 9.7 10.8 90 SNAKE RIVER STATION 6920 10.3 11.0 94 13.0 15.7 83 SPRING CREEK DIVIDE 9000 15.3 14.6 105 15.3 15.6 98 THUMB DIVIDE 7980 7.7 9.6 80 8.1 12.3 66 TOGWOTEE PASS 9580 16.1 15.1 107 16.0 16.0 100 TWO OCEAN PLATEAU 9240 19.8 17.8 111 16.2 17.5 93 WILLOW CREEK 8380 17.6 17.3 102 20.9 21.9 95 YOUNTS PEAK 8350 -M 9.7 * -M 10.6 * ----- ----- Basin Index (%) 100 88 MADISON-GALLATIN BLACK BEAR 8170 21.5 23.4 92 20.8 25.2 83 CANYON 7870 7.9 8.2 96 9.3 10.9 85 MADISON PLATEAU 7750 12.1 14.1 86 13.0 17.5 74 WEST YELLOWSTONE 6700 6.8 7.0 97 8.1 9.8 83 WHISKEY CREEK 6800 8.6 9.6 90 10.7 13.4 80 ----- ----- Basin Index (%) 91 81 YELLOWSTONE BEARTOOTH LAKE 9360 15.1 14.0 108 13.4 13.0 103 BURNT MTN 5880 5.8 2.4 242 12.0 7.9 152 CANYON 7870 7.9 8.2 96 9.3 10.9 85 COLE CREEK 7850 12.6 8.4 150 8.8 7.7 114 EVENING STAR 9200 21.0 16.5 127 21.7 18.1 120 FISHER CREEK 9100 22.7 20.8 109 19.6 21.0 93 NORTHEAST ENTRANCE 7350 7.3 6.5 112 7.9 8.4 94 PARKER PEAK 9400 16.7 13.2 127 15.5 11.5 135 SYLVAN LAKE 8420 13.4 13.1 102 15.6 15.0 104 THUMB DIVIDE 7980 7.7 9.6 80 8.1 12.3 66 TWO OCEAN PLATEAU 9240 19.8 17.8 111 16.2 17.5 93 WHITE MILL 8700 17.0 14.8 115 14.4 15.6 92 WOLVERINE 7650 9.6 7.1 135 7.8 8.3 94 ----- ----- Basin Index (%) 116 102 WIND RIVER BURROUGHS CREEK 8750 -M 8.5 * -M 10.6 * CASTLE CREEK 8400 4.4 -M * 5.8 -M * COLD SPRINGS 9630 5.7 4.6 124 7.8 6.2 126 DEER PARK 9700 5.7 9.4 61 8.1 12.4 65 HOBBS PARK 10100 7.9 8.0 99 6.9 7.8 88 KIRWIN 9550 8.9 5.9 151 7.9 7.3 108 LITTLE WARM 9370 7.3 6.4 114 8.7 8.2 106 OWL CREEK 8975 4.1 3.1 132 3.8 3.6 106 SOUTH PASS 9040 7.1 9.1 78 6.6 11.1 59 ST. LAWRENCE ALT 8620 2.6 4.2 62 5.1 5.4 94 TOGWOTEE PASS 9580 16.1 15.1 107 16.0 16.0 100 TOWNSEND CREEK 8700 3.6 5.3 68 4.1 7.2 57 ----- ----- Basin Index (%) 97 88 BIGHORN BASIN BALD MTN. 9380 15.5 10.9 142 11.5 10.8 106 BEAR TRAP MEADOW 8200 6.6 3.4 194 7.0 5.2 135 BONE SPRINGS DIV 9350 12.2 9.9 123 8.8 9.7 91 GRAVE SPRINGS 8550 7.7 4.9 157 8.3 6.5 128 KIRWIN 9550 8.9 5.9 151 7.9 7.3 108 MARQUETTE 8760 5.2 -M * 7.2 -M * MIDDLE POWDER 7760 10.8 6.4 169 9.1 7.4 123 OWL CREEK 8975 4.1 3.1 132 3.8 3.6 106 POWDER RIVER PASS 9480 9.7 6.6 147 10.0 7.9 127 SHELL CREEK 9580 11.1 9.2 121 9.3 9.0 103 TIMBER CREEK 7950 3.8 2.9 131 5.5 4.5 122 ----- ----- Basin Index (%) 143 113 SHOSHONE RIVER BLACKWATER 9780 16.9 14.8 114 14.3 13.4 107 EVENING STAR 9200 21.0 16.5 127 21.7 18.1 120 MARQUETTE 8760 5.2 -M * 7.2 -M * SYLVAN ROAD 7120 8.3 7.9 105 12.2 12.0 102 YOUNTS PEAK 8350 -M 9.7 * -M 10.6 * ----- ----- Basin Index (%) 118 111 POWDER RIVER BEAR TRAP MEADOW 8200 6.6 3.4 194 7.0 5.2 135 CLOUD PEAK RESERVOIR 9860 11.4 8.4 136 9.5 8.0 119 GRAVE SPRINGS 8550 7.7 4.9 157 8.3 6.5 128 HANSEN SAWMILL 8360 4.7 4.0 118 6.8 5.1 133 MIDDLE POWDER 7760 10.8 6.4 169 9.1 7.4 123 POWDER RIVER PASS 9480 9.7 6.6 147 10.0 7.9 127 SOLDIER PARK 8720 4.7 -M * 6.4 -M * ----- ----- Basin Index (%) 151 126 TONGUE RIVER BIG GOOSE 7990 5.5 4.9 112 7.7 6.6 117 BONE SPRINGS DIV 9350 12.2 9.9 123 8.8 9.7 91 BURGESS JUNCTION 7880 8.6 6.7 128 9.5 7.6 125 DOME LAKE 8880 6.5 6.9 94 6.8 8.4 81 LITTLE GOOSE 8870 6.6 -M * 9.0 -M * SUCKER CREEK 8880 10.1 7.1 142 11.1 8.8 126 TIE CREEK 6870 4.4 3.4 129 8.8 7.2 122 ----- ----- Basin Index (%) 122 109 BELLE FOURCHE COLE CANYON 5910 4.2 3.2 131 11.0 5.7 193 ----- ----- Basin Index (%) 131 193 CHEYENNE RIVER BASIN BLIND PARK 6890 6.4 4.7 136 13.4 7.8 172 NORTH RAPID CREEK 6130 6.3 4.3 147 11.8 6.3 187 ----- ----- Basin Index (%) 141 179 UPPER N. PLATTE ARAPAHO RIDGE 10960 15.1 13.3 114 15.0 14.2 106 BLACKHALL MTN 9820 20.9 -M * 21.7 -M * COLUMBINE 9160 19.4 14.8 131 18.1 16.5 110 DIVIDE PEAK 8880 11.6 12.4 94 15.0 13.7 109 JOE WRIGHT 10120 11.5 13.0 88 16.4 16.2 101 LAPRELE CREEK 8375 4.5 5.4 83 6.6 7.5 88 MED BOW 10500 17.2 -M * 23.1 -M * NORTH FRENCH CREEK 10130 20.8 16.1 129 21.5 17.0 126 NEVER SUMMER 10280 13.3 12.7 105 11.6 -M * OLD BATTLE 10000 19.5 19.2 102 22.4 22.6 99 RAWAH 9020 8.8 6.3 140 11.4 9.1 125 SAGE CREEK BASIN 7850 6.7 8.5 79 8.4 10.0 84 SAND LAKE 10050 19.3 16.6 116 18.9 15.2 124 SOUTH BRUSH CREEK 8440 7.7 7.4 104 10.3 9.6 107 TOWER 10500 29.3 27.8 105 27.1 25.7 105 WEBBER SPRINGS 9250 14.3 13.9 103 16.7 17.1 98 WILLOW CREEK PASS 9540 8.1 7.7 105 9.1 8.4 108 ZIRKEL 9340 20.7 18.7 111 20.6 19.2 107 ----- ----- Basin Index (%) 108 107 SWEETWATER DEER PARK 9700 5.7 9.4 61 8.1 12.4 65 LARSEN CREEK 9000 4.4 -M * 6.9 -M * SOUTH PASS 9040 7.1 9.1 78 6.6 11.1 59 ----- ----- Basin Index (%) 69 63 LOWER N. PLATTE CASPER MTN. 7900 -M 7.6 * -M 9.1 * LAPRELE CREEK 8375 4.5 5.4 83 6.6 7.5 88 RENO HILL 8400 10.9 7.7 142 12.7 8.9 143 WINDY PEAK 7900 4.0 4.2 95 6.8 6.4 106 ----- ----- Basin Index (%) 112 114 LARAMIE RIVER BROOKLYN LAKE 10240 16.8 12.0 140 14.9 13.0 115 CINNABAR PARK 9574 14.5 13.3 109 18.1 16.1 112 CROW CREEK 8330 5.6 5.7 98 7.4 6.4 116 DEADMAN HILL 10220 14.1 10.2 138 13.6 10.3 132 RAWAH 9020 8.8 6.3 140 11.4 9.1 125 ROACH 9700 11.0 10.0 110 13.4 11.9 113 ----- ----- Basin Index (%) 123 118 S. PLATTE BLACK MOUNTAIN 8920 7.7 -M * 8.8 -M * CROW CREEK 8330 5.6 5.7 98 7.4 6.4 116 DEADMAN HILL 10220 14.1 10.2 138 13.6 10.3 132 ----- ----- Basin Index (%) 124 126 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 7.7 7.1 108 11.9 9.7 123 DIVIDE PEAK 8880 11.6 12.4 94 15.0 13.7 109 ELK RIVER 8700 12.9 11.4 113 14.6 12.8 114 LITTLE SNAKE RIVER 8915 17.7 15.7 113 20.7 20.9 99 OLD BATTLE 10000 19.5 19.2 102 22.4 22.6 99 SAGE CREEK BASIN 7850 6.7 8.5 79 8.4 10.0 84 SANDSTONE RS 8150 8.2 8.1 101 12.5 12.1 103 WHISKEY PARK 8950 24.2 16.2 149 25.7 18.0 143 ----- ----- Basin Index (%) 110 110 UPPER GREEN RIVER BIG SANDY OPENING 9080 6.6 8.3 80 6.4 8.4 76 BLIND BULL SUM 8650 15.7 14.0 112 11.4 13.0 88 EAST RIM DIVIDE 7930 8.1 6.8 119 6.9 7.8 88 ELKHART PARK G.S. 9400 8.4 7.5 112 7.9 8.6 92 GROS VENTRE SUMMIT 8750 8.1 8.5 95 7.0 8.3 84 GUNSIGHT PASS 9820 9.5 8.3 114 9.0 8.9 101 KENDALL R.S. 7740 8.4 7.8 108 9.1 9.4 97 LOOMIS PARK 8240 9.8 9.6 102 11.2 11.4 98 NEW FORK LAKE 8340 6.6 6.8 97 5.7 7.1 80 POCKET CREEK 9360 5.2 -M * 6.0 -M * SNIDER BASIN 8060 9.0 7.6 118 9.3 9.3 100 SPRING CREEK DIVIDE 9000 15.3 14.6 105 15.3 15.6 98 TRIPLE PEAK 8500 14.9 13.5 110 16.9 16.2 104 ----- ----- Basin Index (%) 106 94 LOWER GREEN RIVER BLACKS FORK JCT 8870 4.0 -M * 7.4 -M * BUCK PASTURE 9700 6.8 -M * 9.1 -M * EF BLACKS FORK GS 9360 3.1 -M * 6.1 -M * HAMS FORK 7840 6.4 7.2 89 6.6 7.3 90 HEWINTA 9519 4.5 5.8 78 7.7 8.7 89 HICKERSON PARK 9145 4.7 3.8 124 5.8 6.2 94 HOLE-IN-ROCK 9150 4.0 4.0 100 5.8 5.8 100 INDIAN CREEK 9425 12.6 14.7 86 11.5 14.2 81 KELLEY R.S. 8180 8.6 9.1 95 10.3 11.7 88 SPIRIT LK 10235 6.0 -M * 8.9 -M * STEEL CREEK PARK 10200 6.4 8.8 73 9.6 10.0 96 ----- ----- Basin Index (%) 88 90 UPPER BEAR RIVER BEAR RIVER RS 8777 4.7 -M * 7.2 -M * BUG LAKE 7950 9.8 11.0 89 9.5 12.6 75 BURTS MILLER RANCH 8000 4.0 -M * 4.1 -M * CHALK CREEK #1 8993 11.6 13.4 87 12.6 15.8 80 HAYDEN FORK 9212 7.3 8.7 84 11.1 13.2 84 KELLEY R.S. 8180 8.6 9.1 95 10.3 11.7 88 LILY LAKE 9156 7.6 7.4 103 9.2 10.8 85 MONTE CRISTO 8960 12.3 16.0 77 12.0 16.5 73 SALT RIVER SUMMIT 7760 7.8 7.9 99 9.7 10.8 90 ----- ----- 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.