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: APRIL 24 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 18.5 11.0 168 27.4 22.0 125 BLACK BEAR 8170 43.4 36.9 118 42.9 40.5 106 BLIND BULL SUM 8650 36.6 24.3 151 24.0 20.6 117 COTTONWOOD CREEK 7670 26.2 17.5 150 35.7 26.3 136 EAST RIM DIVIDE 7930 12.3 9.2 134 16.0 12.4 129 GRAND TARGHEE 9260 53.2 42.9 124 -M 33.2 * GRANITE CREEK 6770 20.0 9.8 204 24.8 20.5 121 GRASSY LAKE 7265 38.3 30.4 126 42.4 38.0 112 GROS VENTRE SUMMIT 8750 14.5 12.7 114 15.0 14.0 107 GUNSIGHT PASS 9820 19.6 13.6 144 19.4 15.3 127 LEWIS LAKE DIVIDE 7850 41.0 30.7 134 42.6 37.4 114 PHILLIPS BENCH 8200 33.8 25.3 134 35.6 29.6 120 SALT RIVER SUMMIT 7760 13.5 8.7 155 19.7 17.7 111 SNAKE RIVER STATION 6920 15.2 10.5 145 27.5 23.9 115 SPRING CREEK DIVIDE 9000 37.0 23.6 157 33.8 25.3 134 THUMB DIVIDE 7980 19.8 14.2 139 20.7 20.1 103 TOGWOTEE PASS 9580 32.3 24.4 132 34.4 26.1 132 TWO OCEAN PLATEAU 9240 37.6 28.8 131 36.2 29.0 125 WILLOW CREEK 8380 39.4 26.1 151 43.2 36.1 120 YOUNTS PEAK 8350 -M 15.1 * -M 16.9 * ----- ----- Basin Index (%) 138 119 MADISON-GALLATIN BLACK BEAR 8170 43.4 36.9 118 42.9 40.5 106 CANYON 7870 14.7 11.8 125 17.9 17.3 103 MADISON PLATEAU 7750 25.2 22.7 111 26.9 28.0 96 WEST YELLOWSTONE 6700 7.0 5.6 125 17.4 15.4 113 WHISKEY CREEK 6800 16.9 15.4 110 22.9 21.6 106 ----- ----- Basin Index (%) 116 104 YELLOWSTONE BEARTOOTH LAKE 9360 33.2 23.6 141 31.6 21.1 150 BURNT MTN 5880 6.7 .0 * 21.3 14.8 144 CANYON 7870 14.7 11.8 125 17.9 17.3 103 COLE CREEK 7850 24.4 16.3 150 18.3 15.1 121 EVENING STAR 9200 40.5 24.4 166 42.9 29.3 146 FISHER CREEK 9100 46.3 33.1 140 41.9 34.0 123 NORTHEAST ENTRANCE 7350 11.8 5.4 219 16.8 13.2 127 PARKER PEAK 9400 34.7 21.6 161 31.5 19.2 164 SYLVAN LAKE 8420 23.4 20.3 115 31.2 24.1 129 THUMB DIVIDE 7980 19.8 14.2 139 20.7 20.1 103 TWO OCEAN PLATEAU 9240 37.6 28.8 131 36.2 29.0 125 WHITE MILL 8700 33.5 23.8 141 30.7 25.3 121 WOLVERINE 7650 14.6 5.8 252 18.5 13.1 141 ----- ----- Basin Index (%) 149 130 WIND RIVER BURROUGHS CREEK 8750 -M 13.1 * -M 17.1 * CASTLE CREEK 8400 7.6 -M * 13.1 -M * COLD SPRINGS 9630 7.7 3.4 226 13.7 11.5 119 DEER PARK 9700 17.5 16.3 107 20.6 22.4 92 HOBBS PARK 10100 15.6 15.5 101 15.3 15.5 99 KIRWIN 9550 17.8 10.1 176 19.4 12.9 150 LITTLE WARM 9370 13.6 9.7 140 17.8 14.3 124 OWL CREEK 8975 3.5 3.0 117 8.5 7.2 118 SOUTH PASS 9040 15.2 15.3 99 16.0 19.2 83 ST. LAWRENCE ALT 8620 .0 5.1 0 10.0 10.5 95 TOGWOTEE PASS 9580 32.3 24.4 132 34.4 26.1 132 TOWNSEND CREEK 8700 6.1 8.9 69 10.6 13.9 76 ----- ----- Basin Index (%) 116 108 BIGHORN BASIN BALD MTN. 9380 28.1 20.2 139 22.3 18.6 120 BEAR TRAP MEADOW 8200 9.1 2.2 414 12.6 9.8 129 BONE SPRINGS DIV 9350 24.4 16.4 149 19.5 17.2 113 GRAVE SPRINGS 8550 12.5 9.3 134 14.0 12.0 117 KIRWIN 9550 17.8 10.1 176 19.4 12.9 150 MARQUETTE 8760 14.2 -M * 14.3 -M * MIDDLE POWDER 7760 18.4 12.3 150 15.9 13.2 120 OWL CREEK 8975 3.5 3.0 117 8.5 7.2 118 POWDER RIVER PASS 9480 15.4 10.3 150 18.2 14.1 129 SHELL CREEK 9580 20.7 15.8 131 18.6 15.2 122 TIMBER CREEK 7950 4.0 3.9 103 10.4 8.8 118 ----- ----- Basin Index (%) 149 124 SHOSHONE RIVER BLACKWATER 9780 34.6 24.3 142 31.8 22.3 143 EVENING STAR 9200 40.5 24.4 166 42.9 29.3 146 MARQUETTE 8760 14.2 -M * 14.3 -M * SYLVAN ROAD 7120 9.0 8.6 105 23.5 17.9 131 YOUNTS PEAK 8350 -M 15.1 * -M 16.9 * ----- ----- Basin Index (%) 147 141 POWDER RIVER BEAR TRAP MEADOW 8200 9.1 2.2 414 12.6 9.8 129 CLOUD PEAK RESERVOIR 9860 22.3 16.2 138 20.8 15.4 135 GRAVE SPRINGS 8550 12.5 9.3 134 14.0 12.0 117 HANSEN SAWMILL 8360 8.9 4.4 202 14.1 10.0 141 MIDDLE POWDER 7760 18.4 12.3 150 15.9 13.2 120 POWDER RIVER PASS 9480 15.4 10.3 150 18.2 14.1 129 SOLDIER PARK 8720 12.3 -M * 13.5 -M * ----- ----- Basin Index (%) 158 128 TONGUE RIVER BIG GOOSE 7990 12.8 9.1 141 17.1 13.2 130 BONE SPRINGS DIV 9350 24.4 16.4 149 19.5 17.2 113 BURGESS JUNCTION 7880 17.5 12.5 140 18.0 13.9 129 DOME LAKE 8880 17.0 11.8 144 17.3 15.3 113 LITTLE GOOSE 8870 14.9 -M * 19.3 -M * SUCKER CREEK 8880 18.5 12.7 146 21.7 16.2 134 TIE CREEK 6870 7.4 3.8 195 16.9 13.4 126 ----- ----- Basin Index (%) 147 124 BELLE FOURCHE COLE CANYON 5910 4.8 1.1 436 14.8 10.8 137 ----- ----- Basin Index (%) 436 137 CHEYENNE RIVER BASIN BLIND PARK 6890 3.4 3.8 89 17.3 13.5 128 NORTH RAPID CREEK 6130 3.2 3.8 84 16.3 11.5 142 ----- ----- Basin Index (%) 87 134 UPPER N. PLATTE ARAPAHO RIDGE 10960 29.2 21.6 135 29.5 25.2 117 BLACKHALL MTN 9820 39.3 -M * -M -M * COLUMBINE 9160 32.6 20.7 157 -M 27.5 * DIVIDE PEAK 8880 17.5 18.2 96 24.9 23.3 107 JOE WRIGHT 10120 25.4 23.0 110 34.1 28.5 120 LAPRELE CREEK 8375 6.1 7.3 84 12.4 14.2 87 MED BOW 10500 -M -M * 42.6 -M * NORTH FRENCH CREEK 10130 38.1 32.4 118 37.4 29.3 128 NEVER SUMMER 10280 26.8 20.9 128 21.8 -M * OLD BATTLE 10000 35.9 33.8 106 39.2 37.7 104 RAWAH 9020 10.4 8.0 130 18.9 16.4 115 SAGE CREEK BASIN 7850 6.1 3.5 174 13.9 15.6 89 SAND LAKE 10050 35.6 30.9 115 34.8 27.6 126 SOUTH BRUSH CREEK 8440 8.2 9.9 83 16.5 16.9 98 TOWER 10500 54.2 49.1 110 -M 43.1 * WEBBER SPRINGS 9250 23.7 21.9 108 30.5 28.9 106 WILLOW CREEK PASS 9540 16.2 13.6 119 16.6 14.9 111 ZIRKEL 9340 38.9 22.5 173 -M 30.2 * ----- ----- Basin Index (%) 120 111 SWEETWATER DEER PARK 9700 17.5 16.3 107 20.6 22.4 92 LARSEN CREEK 9000 9.2 9.9 93 16.3 -M * SOUTH PASS 9040 15.2 15.3 99 16.0 19.2 83 ----- ----- Basin Index (%) 101 88 LOWER N. PLATTE CASPER MTN. 7900 17.0 14.2 120 17.2 17.0 101 LAPRELE CREEK 8375 6.1 7.3 84 12.4 14.2 87 RENO HILL 8400 18.3 13.9 132 22.5 17.8 126 WINDY PEAK 7900 6.9 6.2 111 13.5 12.2 111 ----- ----- Basin Index (%) 116 107 LARAMIE RIVER BROOKLYN LAKE 10240 31.7 22.7 140 32.2 23.5 137 CINNABAR PARK 9574 25.7 19.9 129 31.3 26.0 120 CROW CREEK 8330 2.9 .0 * 12.9 12.6 102 DEADMAN HILL 10220 26.8 17.9 150 25.3 19.6 129 RAWAH 9020 10.4 8.0 130 18.9 16.4 115 ROACH 9700 21.3 16.7 128 26.4 21.3 124 ----- ----- Basin Index (%) 139 123 S. PLATTE BLACK MOUNTAIN 8920 10.8 -M * -M -M * CROW CREEK 8330 2.9 .0 * 12.9 12.6 102 DEADMAN HILL 10220 26.8 17.9 150 25.3 19.6 129 ----- ----- Basin Index (%) 166* 119 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 3.6 2.4 150 18.9 16.4 115 DIVIDE PEAK 8880 17.5 18.2 96 24.9 23.3 107 ELK RIVER 8700 17.5 14.7 119 24.1 21.8 111 LITTLE SNAKE RIVER 8915 28.1 23.5 120 36.6 31.5 116 OLD BATTLE 10000 35.9 33.8 106 39.2 37.7 104 SAGE CREEK BASIN 7850 6.1 3.5 174 13.9 15.6 89 SANDSTONE RS 8150 7.0 9.2 76 19.2 20.0 96 WHISKEY PARK 8950 38.7 25.6 151 42.3 30.3 140 ----- ----- Basin Index (%) 118 111 UPPER GREEN RIVER BIG SANDY OPENING 9080 15.2 12.2 125 15.3 14.5 106 BLIND BULL SUM 8650 36.6 24.3 151 24.0 20.6 117 EAST RIM DIVIDE 7930 12.3 9.2 134 16.0 12.4 129 ELKHART PARK G.S. 9400 17.8 11.8 151 17.3 14.3 121 GROS VENTRE SUMMIT 8750 14.5 12.7 114 15.0 14.0 107 GUNSIGHT PASS 9820 19.6 13.6 144 19.4 15.3 127 KENDALL R.S. 7740 18.4 7.0 263 23.3 14.9 156 LOOMIS PARK 8240 22.8 12.1 188 25.4 18.2 140 NEW FORK LAKE 8340 12.5 7.7 162 13.6 11.5 118 POCKET CREEK 9360 12.1 -M * 12.9 -M * SNIDER BASIN 8060 15.5 10.2 152 19.9 15.1 132 SPRING CREEK DIVIDE 9000 37.0 23.6 157 33.8 25.3 134 TRIPLE PEAK 8500 33.2 19.1 174 38.1 26.8 142 ----- ----- Basin Index (%) 156 129 LOWER GREEN RIVER BLACKS FORK JCT 8870 4.0 -M * 14.4 -M * BUCK PASTURE 9700 11.5 -M * 18.3 -M * EF BLACKS FORK GS 9360 6.3 -M * 10.8 -M * HAMS FORK 7840 10.4 5.3 196 14.6 12.4 118 HEWINTA 9519 6.0 7.2 83 15.3 15.4 99 HICKERSON PARK 9145 .0 5.1 0 9.2 11.4 81 HOLE-IN-ROCK 9150 1.2 5.3 23 10.4 10.9 95 INDIAN CREEK 9425 30.7 23.6 130 27.5 24.1 114 KELLEY R.S. 8180 15.8 11.9 133 21.0 19.3 109 SPIRIT LK 10235 8.0 -M * 14.8 -M * STEEL CREEK PARK 10200 20.9 16.5 127 17.6 18.2 97 ----- ----- Basin Index (%) 113 103 UPPER BEAR RIVER BEAR RIVER RS 8777 1.3 -M * 13.6 -M * BUG LAKE 7950 19.8 16.2 122 21.4 20.8 103 BURTS MILLER RANCH 8000 .1 -M * 7.3 -M * CHALK CREEK #1 8993 20.2 24.6 82 24.7 27.3 90 HAYDEN FORK 9212 9.6 10.9 88 22.9 22.8 100 KELLEY R.S. 8180 15.8 11.9 133 21.0 19.3 109 LILY LAKE 9156 10.2 10.0 102 16.5 18.7 88 MONTE CRISTO 8960 22.9 27.3 84 26.7 28.0 95 SALT RIVER SUMMIT 7760 13.5 8.7 155 19.7 17.7 111 ----- ----- Basin Index (%) 102 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.