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: MARCH 30 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 23.6 14.7 161 24.5 20.0 122 BLACK BEAR 8170 40.2 35.7 113 37.2 36.3 102 BLIND BULL SUM 8650 35.9 22.0 163 22.9 18.6 123 COTTONWOOD CREEK 7670 30.4 21.0 145 33.2 23.4 142 EAST RIM DIVIDE 7930 17.6 9.9 178 15.2 11.2 136 GRAND TARGHEE 9260 48.0 35.7 134 35.3 28.8 123 GRANITE CREEK 6770 23.8 15.0 159 23.4 18.9 124 GRASSY LAKE 7265 39.6 31.5 126 37.3 34.4 108 GROS VENTRE SUMMIT 8750 14.5 12.7 114 14.5 12.2 119 GUNSIGHT PASS 9820 19.9 13.2 151 18.4 13.0 142 LEWIS LAKE DIVIDE 7850 37.5 29.4 128 -M 33.8 * PHILLIPS BENCH 8200 33.8 23.9 141 32.9 26.8 123 SALT RIVER SUMMIT 7760 18.1 12.7 143 18.8 15.8 119 SNAKE RIVER STATION 6920 -M 15.8 * -M 21.5 * SPRING CREEK DIVIDE 9000 34.7 22.4 155 31.6 22.7 139 THUMB DIVIDE 7980 19.2 15.0 128 16.4 17.6 93 TOGWOTEE PASS 9580 30.9 21.5 144 30.5 23.0 133 TWO OCEAN PLATEAU 9240 38.3 25.4 151 -M 25.9 * WILLOW CREEK 8380 39.6 27.3 145 39.6 31.8 125 YOUNTS PEAK 8350 -M 14.0 * -M 15.0 * ----- ----- Basin Index (%) 140 122 MADISON-GALLATIN BLACK BEAR 8170 40.2 35.7 113 37.2 36.3 102 CANYON 7870 14.3 12.3 116 15.7 15.4 102 MADISON PLATEAU 7750 23.7 21.2 112 23.5 25.0 94 WEST YELLOWSTONE 6700 13.7 10.2 134 15.4 13.4 115 WHISKEY CREEK 6800 17.0 14.9 114 19.7 19.2 103 ----- ----- Basin Index (%) 115 102 YELLOWSTONE BEARTOOTH LAKE 9360 30.5 20.8 147 28.3 18.6 152 BURNT MTN 5880 10.2 4.4 232 17.9 11.8 152 CANYON 7870 14.3 12.3 116 15.7 15.4 102 COLE CREEK 7850 20.6 13.2 156 14.5 11.8 123 EVENING STAR 9200 37.4 23.9 156 38.2 25.8 148 FISHER CREEK 9100 42.1 29.7 142 36.4 30.2 121 NORTHEAST ENTRANCE 7350 14.9 9.7 154 14.9 11.6 128 PARKER PEAK 9400 30.1 18.6 162 27.1 16.7 162 SYLVAN LAKE 8420 23.3 19.0 123 26.7 21.1 127 THUMB DIVIDE 7980 19.2 15.0 128 16.4 17.6 93 TWO OCEAN PLATEAU 9240 38.3 25.4 151 -M 25.9 * WHITE MILL 8700 32.5 21.4 152 27.7 22.5 123 WOLVERINE 7650 14.6 9.0 162 16.0 11.5 139 ----- ----- Basin Index (%) 147 130 WIND RIVER BURROUGHS CREEK 8750 -M 13.0 * -M 15.1 * CASTLE CREEK 8400 10.2 -M * 12.2 -M * COLD SPRINGS 9630 9.4 7.1 132 12.8 9.4 136 DEER PARK 9700 -M 14.5 * 18.3 18.5 99 HOBBS PARK 10100 14.7 13.1 112 12.9 12.3 105 KIRWIN 9550 18.1 9.2 197 16.7 10.9 153 LITTLE WARM 9370 14.3 10.1 142 16.6 12.1 137 OWL CREEK 8975 7.1 5.2 137 7.1 5.6 127 SOUTH PASS 9040 15.8 14.7 107 14.7 16.4 90 ST. LAWRENCE ALT 8620 4.7 6.7 70 8.2 8.3 99 TOGWOTEE PASS 9580 30.9 21.5 144 30.5 23.0 133 TOWNSEND CREEK 8700 7.6 8.8 86 8.9 11.1 80 ----- ----- Basin Index (%) 127 115 BIGHORN BASIN BALD MTN. 9380 24.1 18.1 133 18.6 16.0 116 BEAR TRAP MEADOW 8200 11.1 5.1 218 11.2 7.9 142 BONE SPRINGS DIV 9350 20.6 15.4 134 16.3 14.6 112 GRAVE SPRINGS 8550 12.6 8.7 145 12.4 9.8 127 KIRWIN 9550 18.1 9.2 197 16.7 10.9 153 MARQUETTE 8760 13.8 -M * 12.2 -M * MIDDLE POWDER 7760 17.0 11.0 155 13.9 10.9 128 OWL CREEK 8975 7.1 5.2 137 7.1 5.6 127 POWDER RIVER PASS 9480 15.3 9.9 155 16.5 11.8 140 SHELL CREEK 9580 18.9 14.2 133 16.1 13.0 124 TIMBER CREEK 7950 6.1 4.6 133 7.9 6.9 114 ----- ----- Basin Index (%) 149 127 SHOSHONE RIVER BLACKWATER 9780 30.8 21.8 141 27.8 19.4 143 EVENING STAR 9200 37.4 23.9 156 38.2 25.8 148 MARQUETTE 8760 13.8 -M * 12.2 -M * SYLVAN ROAD 7120 15.0 11.1 135 20.2 16.0 126 YOUNTS PEAK 8350 -M 14.0 * -M 15.0 * ----- ----- Basin Index (%) 146 141 POWDER RIVER BEAR TRAP MEADOW 8200 11.1 5.1 218 11.2 7.9 142 CLOUD PEAK RESERVOIR 9860 20.5 13.9 147 18.1 12.4 146 GRAVE SPRINGS 8550 12.6 8.7 145 12.4 9.8 127 HANSEN SAWMILL 8360 9.7 6.3 154 12.0 8.0 150 MIDDLE POWDER 7760 17.0 11.0 155 13.9 10.9 128 POWDER RIVER PASS 9480 15.3 9.9 155 16.5 11.8 140 SOLDIER PARK 8720 13.0 -M * 11.4 -M * ----- ----- Basin Index (%) 157 138 TONGUE RIVER BIG GOOSE 7990 12.2 8.6 142 14.3 10.4 138 BONE SPRINGS DIV 9350 20.6 15.4 134 16.3 14.6 112 BURGESS JUNCTION 7880 14.8 11.1 133 15.3 11.5 133 DOME LAKE 8880 15.4 11.4 135 14.1 12.7 111 LITTLE GOOSE 8870 13.7 -M * 16.4 -M * SUCKER CREEK 8880 17.3 11.3 153 18.5 13.4 138 TIE CREEK 6870 9.1 5.4 169 14.5 10.7 136 ----- ----- Basin Index (%) 141 127 BELLE FOURCHE COLE CANYON 5910 7.0 5.8 121 13.7 8.5 161 ----- ----- Basin Index (%) 121 161 CHEYENNE RIVER BASIN BLIND PARK 6890 8.7 7.2 121 16.1 11.1 145 NORTH RAPID CREEK 6130 9.0 6.7 134 14.7 9.1 162 ----- ----- Basin Index (%) 127 152 UPPER N. PLATTE ARAPAHO RIDGE 10960 26.5 19.4 137 26.0 21.0 124 BLACKHALL MTN 9820 36.7 -M * 28.0 -M * COLUMBINE 9160 35.3 22.4 158 -M 24.1 * DIVIDE PEAK 8880 18.7 19.3 97 21.5 20.2 106 JOE WRIGHT 10120 22.2 20.0 111 30.5 24.3 126 LAPRELE CREEK 8375 9.7 9.4 103 10.9 11.6 94 MED BOW 10500 8.2 -M * 35.6 -M * NORTH FRENCH CREEK 10130 35.1 27.5 128 32.3 25.3 128 NEVER SUMMER 10280 24.2 19.2 126 18.6 -M * OLD BATTLE 10000 33.3 28.9 115 35.9 33.1 108 RAWAH 9020 14.4 10.2 141 16.9 13.3 127 SAGE CREEK BASIN 7850 12.5 12.6 99 11.7 13.6 86 SAND LAKE 10050 33.3 27.0 123 31.7 23.2 137 SOUTH BRUSH CREEK 8440 12.3 12.2 101 14.3 14.4 99 TOWER 10500 50.5 43.2 117 -M 37.7 * WEBBER SPRINGS 9250 25.6 22.7 113 27.7 25.3 109 WILLOW CREEK PASS 9540 14.5 11.6 125 14.4 12.6 114 ZIRKEL 9340 41.0 26.3 156 -M 26.9 * ----- ----- Basin Index (%) 123 115 SWEETWATER DEER PARK 9700 -M 14.5 * 18.3 18.5 99 LARSEN CREEK 9000 13.3 12.0 111 15.3 -M * SOUTH PASS 9040 15.8 14.7 107 14.7 16.4 90 ----- ----- Basin Index (%) 109 95 LOWER N. PLATTE CASPER MTN. 7900 17.8 13.0 137 15.3 13.8 111 LAPRELE CREEK 8375 9.7 9.4 103 10.9 11.6 94 RENO HILL 8400 17.7 12.8 138 19.6 14.3 137 WINDY PEAK 7900 9.2 7.8 118 11.6 9.8 118 ----- ----- Basin Index (%) 127 116 LARAMIE RIVER BROOKLYN LAKE 10240 30.9 19.4 159 28.7 19.8 145 CINNABAR PARK 9574 23.9 19.7 121 29.0 22.8 127 CROW CREEK 8330 7.1 6.8 104 11.5 10.0 115 DEADMAN HILL 10220 24.3 15.2 160 22.8 16.2 141 RAWAH 9020 14.4 10.2 141 16.9 13.3 127 ROACH 9700 20.7 15.2 136 23.5 18.0 131 ----- ----- Basin Index (%) 140 132 S. PLATTE BLACK MOUNTAIN 8920 12.5 -M * -M -M * CROW CREEK 8330 7.1 6.8 104 11.5 10.0 115 DEADMAN HILL 10220 24.3 15.2 160 22.8 16.2 141 ----- ----- Basin Index (%) 143 131 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.0 10.8 102 16.5 14.3 115 DIVIDE PEAK 8880 18.7 19.3 97 21.5 20.2 106 ELK RIVER 8700 21.4 18.1 118 21.7 19.0 114 LITTLE SNAKE RIVER 8915 31.0 22.6 137 33.8 27.9 121 OLD BATTLE 10000 33.3 28.9 115 35.9 33.1 108 SAGE CREEK BASIN 7850 12.5 12.6 99 11.7 13.6 86 SANDSTONE RS 8150 11.3 13.1 86 17.3 17.5 99 WHISKEY PARK 8950 41.1 25.2 163 38.8 26.5 146 ----- ----- Basin Index (%) 120 115 UPPER GREEN RIVER BIG SANDY OPENING 9080 15.5 12.2 127 14.4 12.5 115 BLIND BULL SUM 8650 35.9 22.0 163 22.9 18.6 123 EAST RIM DIVIDE 7930 17.6 9.9 178 15.2 11.2 136 ELKHART PARK G.S. 9400 17.6 11.8 149 16.3 12.6 129 GROS VENTRE SUMMIT 8750 14.5 12.7 114 14.5 12.2 119 GUNSIGHT PASS 9820 19.9 13.2 151 18.4 13.0 142 KENDALL R.S. 7740 22.1 11.4 194 22.8 13.6 168 LOOMIS PARK 8240 24.7 14.4 172 24.2 16.5 147 NEW FORK LAKE 8340 16.1 10.2 158 13.5 10.3 131 POCKET CREEK 9360 12.6 -M * 12.4 -M * SNIDER BASIN 8060 20.4 12.0 170 19.1 13.5 141 SPRING CREEK DIVIDE 9000 34.7 22.4 155 31.6 22.7 139 TRIPLE PEAK 8500 35.1 21.3 165 36.3 24.1 151 ----- ----- Basin Index (%) 158 138 LOWER GREEN RIVER BLACKS FORK JCT 8870 8.4 -M * 12.9 -M * BUCK PASTURE 9700 14.2 -M * 15.6 -M * EF BLACKS FORK GS 9360 10.0 -M * 9.6 -M * HAMS FORK 7840 16.6 10.7 155 13.5 10.8 125 HEWINTA 9519 11.0 10.6 104 13.6 13.2 103 HICKERSON PARK 9145 7.1 7.3 97 8.7 9.5 92 HOLE-IN-ROCK 9150 6.4 7.0 91 8.8 9.0 98 INDIAN CREEK 9425 32.0 23.5 136 25.9 21.4 121 KELLEY R.S. 8180 18.8 14.7 128 20.5 17.3 118 SPIRIT LK 10235 9.0 -M * 12.5 -M * STEEL CREEK PARK 10200 18.7 14.8 126 15.3 15.4 99 ----- ----- Basin Index (%) 125 110 UPPER BEAR RIVER BEAR RIVER RS 8777 9.6 -M * 11.8 -M * BUG LAKE 7950 22.9 18.0 127 19.9 18.4 108 BURTS MILLER RANCH 8000 7.0 -M * 6.8 -M * CHALK CREEK #1 8993 21.8 23.0 95 21.6 23.8 91 HAYDEN FORK 9212 16.1 14.9 108 19.5 19.9 98 KELLEY R.S. 8180 18.8 14.7 128 20.5 17.3 118 LILY LAKE 9156 13.5 11.9 113 14.5 16.1 90 MONTE CRISTO 8960 26.5 25.8 103 24.1 24.6 98 SALT RIVER SUMMIT 7760 18.1 12.7 143 18.8 15.8 119 ----- ----- Basin Index (%) 114 102 ----------------------------------------------------------------------------- -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.