Supercell over Laramie
WRDS/SCO may be working remotely so there could be a slight delay returning phone calls. Please email wrds@uwyo.edu if you are in need of information and we will respond as soon as possible

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: MAY 11 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 13.0 3.9 333 30.2 23.7 127 BLACK BEAR 8170 45.8 36.8 124 48.1 43.2 111 BLIND BULL SUM 8650 37.8 22.4 169 25.8 22.3 116 COTTONWOOD CREEK 7670 24.1 12.5 193 38.7 29.0 133 EAST RIM DIVIDE 7930 4.5 5.7 79 17.3 13.6 127 GRAND TARGHEE 9260 53.5 46.3 116 44.6 36.1 124 GRANITE CREEK 6770 14.9 4.7 317 27.4 22.2 123 GRASSY LAKE 7265 34.7 25.3 137 46.5 40.7 114 GROS VENTRE SUMMIT 8750 13.4 9.5 141 16.9 15.5 109 GUNSIGHT PASS 9820 19.9 12.2 163 21.9 17.1 128 LEWIS LAKE DIVIDE 7850 41.5 29.0 143 46.7 39.9 117 PHILLIPS BENCH 8200 35.5 23.0 154 39.4 32.0 123 SALT RIVER SUMMIT 7760 8.4 3.9 215 22.0 19.2 115 SNAKE RIVER STATION 6920 8.9 1.8 494 30.4 25.7 118 SPRING CREEK DIVIDE 9000 36.1 23.5 154 35.8 27.2 132 THUMB DIVIDE 7980 15.9 7.9 201 23.3 21.9 106 TOGWOTEE PASS 9580 34.7 25.4 137 37.4 28.7 130 TWO OCEAN PLATEAU 9240 40.6 29.5 138 39.6 31.7 125 WILLOW CREEK 8380 34.3 20.8 165 46.7 39.4 119 YOUNTS PEAK 8350 -M 15.3 * -M 18.6 * ----- ----- Basin Index (%) 150 121 MADISON-GALLATIN BLACK BEAR 8170 45.8 36.8 124 48.1 43.2 111 CANYON 7870 12.8 7.1 180 20.2 19.0 106 MADISON PLATEAU 7750 26.2 19.6 134 30.7 30.1 102 WEST YELLOWSTONE 6700 .1 .0 * 19.5 16.7 117 WHISKEY CREEK 6800 15.4 10.3 150 26.0 23.2 112 ----- ----- Basin Index (%) 136 109 YELLOWSTONE BEARTOOTH LAKE 9360 34.3 23.0 149 34.5 23.2 149 BURNT MTN 5880 .8 .0 * 25.1 17.8 141 CANYON 7870 12.8 7.1 180 20.2 19.0 106 COLE CREEK 7850 26.3 17.2 153 22.1 18.3 121 EVENING STAR 9200 41.7 25.5 164 46.2 32.0 144 FISHER CREEK 9100 48.9 34.4 142 46.6 36.8 127 NORTHEAST ENTRANCE 7350 6.3 .8 788* 19.3 14.7 131 PARKER PEAK 9400 38.3 22.1 173 35.1 21.3 165 SYLVAN LAKE 8420 24.0 18.0 133 35.1 26.5 132 THUMB DIVIDE 7980 15.9 7.9 201 23.3 21.9 106 TWO OCEAN PLATEAU 9240 40.6 29.5 138 39.6 31.7 125 WHITE MILL 8700 36.9 24.8 149 34.7 27.7 125 WOLVERINE 7650 8.0 .0 * 20.9 14.7 142 ----- ----- Basin Index (%) 159 132 WIND RIVER BURROUGHS CREEK 8750 -M 11.5 * -M 19.0 * CASTLE CREEK 8400 .6 -M * 14.5 -M * COLD SPRINGS 9630 2.2 1.2 183 15.0 13.6 110 DEER PARK 9700 -M 14.4 * 22.6 24.9 91 HOBBS PARK 10100 14.7 15.8 93 16.6 18.0 92 KIRWIN 9550 19.7 10.9 181 21.3 15.0 142 LITTLE WARM 9370 11.2 6.6 170 19.8 16.4 121 OWL CREEK 8975 .1 .5 20* 9.1 8.8 103 SOUTH PASS 9040 12.0 11.4 105 17.3 21.5 80 ST. LAWRENCE ALT 8620 .2 .8 25 11.5 12.6 91 TOGWOTEE PASS 9580 34.7 25.4 137 37.4 28.7 130 TOWNSEND CREEK 8700 1.3 3.4 38 12.1 16.0 76 ----- ----- Basin Index (%) 126 104 BIGHORN BASIN BALD MTN. 9380 31.0 20.7 150 24.8 21.2 117 BEAR TRAP MEADOW 8200 2.5 .0 * 13.3 11.8 113 BONE SPRINGS DIV 9350 25.6 16.6 154 21.4 19.9 108 GRAVE SPRINGS 8550 10.0 7.5 133 14.6 14.4 101 KIRWIN 9550 19.7 10.9 181 21.3 15.0 142 MARQUETTE 8760 15.4 -M * 17.3 -M * MIDDLE POWDER 7760 15.5 10.5 148 16.9 15.5 109 OWL CREEK 8975 .1 .5 20* 9.1 8.8 103 POWDER RIVER PASS 9480 13.0 9.0 144 19.6 16.4 120 SHELL CREEK 9580 21.2 16.8 126 20.7 17.7 117 TIMBER CREEK 7950 1.7 1.3 131 13.3 11.2 119 ----- ----- Basin Index (%) 150 115 SHOSHONE RIVER BLACKWATER 9780 36.1 24.6 147 34.4 24.7 139 EVENING STAR 9200 41.7 25.5 164 46.2 32.0 144 MARQUETTE 8760 15.4 -M * 17.3 -M * SYLVAN ROAD 7120 .0 1.2 0 25.7 19.4 132 YOUNTS PEAK 8350 -M 15.3 * -M 18.6 * ----- ----- Basin Index (%) 152 140 POWDER RIVER BEAR TRAP MEADOW 8200 2.5 .0 * 13.3 11.8 113 CLOUD PEAK RESERVOIR 9860 24.0 16.8 143 24.6 18.4 134 GRAVE SPRINGS 8550 10.0 7.5 133 14.6 14.4 101 HANSEN SAWMILL 8360 4.7 1.0 470 15.8 12.0 132 MIDDLE POWDER 7760 15.5 10.5 148 16.9 15.5 109 POWDER RIVER PASS 9480 13.0 9.0 144 19.6 16.4 120 SOLDIER PARK 8720 9.4 -M * 15.8 -M * ----- ----- Basin Index (%) 156 118 TONGUE RIVER BIG GOOSE 7990 11.3 10.3 110 19.0 16.0 119 BONE SPRINGS DIV 9350 25.6 16.6 154 21.4 19.9 108 BURGESS JUNCTION 7880 17.4 11.4 153 20.2 16.2 125 DOME LAKE 8880 16.7 11.1 150 19.9 18.1 110 LITTLE GOOSE 8870 13.9 -M * 22.1 -M * SUCKER CREEK 8880 18.0 12.7 142 24.5 19.2 128 TIE CREEK 6870 4.9 1.2 408 19.2 16.2 119 ----- ----- Basin Index (%) 148 118 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 17.2 13.8 125 ----- ----- Basin Index (%) * 125 CHEYENNE RIVER BASIN BLIND PARK 6890 .0 .0 * 20.4 15.7 130 NORTH RAPID CREEK 6130 .0 .0 * 19.3 13.8 140 ----- ----- Basin Index (%) * 135 UPPER N. PLATTE ARAPAHO RIDGE 10960 28.2 22.3 126 31.8 27.6 115 BLACKHALL MTN 9820 36.8 -M * -M -M * COLUMBINE 9160 25.7 11.9 216 -M 29.7 * DIVIDE PEAK 8880 10.1 13.7 74 26.9 25.6 105 JOE WRIGHT 10120 28.8 23.2 124 38.6 31.5 123 LAPRELE CREEK 8375 .8 2.0 40 14.7 16.2 91 MED BOW 10500 -M -M * 46.7 -M * NORTH FRENCH CREEK 10130 39.0 32.7 119 40.8 32.5 126 NEVER SUMMER 10280 28.4 22.2 128 24.7 -M * OLD BATTLE 10000 36.8 36.9 100 41.4 40.9 101 RAWAH 9020 6.5 2.4 271 21.4 18.4 116 SAGE CREEK BASIN 7850 .4 .0 * 14.3 16.9 85 SAND LAKE 10050 36.9 31.7 116 38.3 30.7 125 SOUTH BRUSH CREEK 8440 2.0 4.4 45 18.9 19.1 99 TOWER 10500 54.3 51.2 106 57.5 46.6 123 WEBBER SPRINGS 9250 18.1 19.0 95 33.0 31.2 106 WILLOW CREEK PASS 9540 14.8 13.0 114 18.0 16.5 109 ZIRKEL 9340 31.6 19.3 164 -M 32.8 * ----- ----- Basin Index (%) 118 112 SWEETWATER DEER PARK 9700 -M 14.4 * 22.6 24.9 91 LARSEN CREEK 9000 3.5 6.2 56 17.6 -M * SOUTH PASS 9040 12.0 11.4 105 17.3 21.5 80 ----- ----- Basin Index (%) 88 86 LOWER N. PLATTE CASPER MTN. 7900 11.8 11.1 106 19.0 19.6 97 LAPRELE CREEK 8375 .8 2.0 40 14.7 16.2 91 RENO HILL 8400 16.6 10.0 166 25.4 20.4 125 WINDY PEAK 7900 1.0 .0 * 15.1 13.9 109 ----- ----- Basin Index (%) 131 106 LARAMIE RIVER BROOKLYN LAKE 10240 28.9 21.1 137 34.8 26.1 133 CINNABAR PARK 9574 21.9 17.0 129 33.6 28.4 118 CROW CREEK 8330 .0 .0 * 15.5 14.4 108 DEADMAN HILL 10220 27.2 18.5 147 28.6 21.8 131 RAWAH 9020 6.5 2.4 271 21.4 18.4 116 ROACH 9700 17.4 15.5 112 28.3 23.4 121 ----- ----- Basin Index (%) 137 122 S. PLATTE BLACK MOUNTAIN 8920 5.7 -M * -M -M * CROW CREEK 8330 .0 .0 * 15.5 14.4 108 DEADMAN HILL 10220 27.2 18.5 147 28.6 21.8 131 ----- ----- Basin Index (%) 147* 122 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .0 * 19.8 18.0 110 DIVIDE PEAK 8880 10.1 13.7 74 26.9 25.6 105 ELK RIVER 8700 10.0 7.0 143 26.1 23.8 110 LITTLE SNAKE RIVER 8915 -M 20.1 * -M 34.4 * OLD BATTLE 10000 36.8 36.9 100 41.4 40.9 101 SAGE CREEK BASIN 7850 .4 .0 * 14.3 16.9 85 SANDSTONE RS 8150 .0 1.3 0* 19.8 21.9 90 WHISKEY PARK 8950 39.3 26.5 148 44.7 33.0 135 ----- ----- Basin Index (%) 113 107 UPPER GREEN RIVER BIG SANDY OPENING 9080 12.6 8.6 147 17.1 16.2 106 BLIND BULL SUM 8650 37.8 22.4 169 25.8 22.3 116 EAST RIM DIVIDE 7930 4.5 5.7 79 17.3 13.6 127 ELKHART PARK G.S. 9400 17.2 9.5 181 19.8 16.0 124 GROS VENTRE SUMMIT 8750 13.4 9.5 141 16.9 15.5 109 GUNSIGHT PASS 9820 19.9 12.2 163 21.9 17.1 128 KENDALL R.S. 7740 12.2 .0 * 24.8 16.2 153 LOOMIS PARK 8240 17.0 7.0 243 27.3 19.9 137 NEW FORK LAKE 8340 8.6 2.4 358 14.5 12.9 112 POCKET CREEK 9360 12.6 -M * 14.9 -M * SNIDER BASIN 8060 4.3 7.2 60 20.9 16.3 128 SPRING CREEK DIVIDE 9000 36.1 23.5 154 35.8 27.2 132 TRIPLE PEAK 8500 27.9 14.5 192 40.6 29.2 139 ----- ----- Basin Index (%) 173 127 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 16.0 -M * BUCK PASTURE 9700 8.7 -M * 20.7 -M * EF BLACKS FORK GS 9360 1.0 -M * 12.2 -M * HAMS FORK 7840 1.6 .2 800* 16.2 13.9 117 HEWINTA 9519 .1 1.5 7 17.4 17.2 101 HICKERSON PARK 9145 .6 .0 * 10.2 12.9 79 HOLE-IN-ROCK 9150 .0 .0 * 11.5 12.4 93 INDIAN CREEK 9425 30.3 21.1 144 29.9 26.2 114 KELLEY R.S. 8180 12.1 8.1 149 23.0 21.2 108 SPIRIT LK 10235 3.4 -M * 16.2 -M * STEEL CREEK PARK 10200 20.1 17.6 114 19.7 20.3 97 ----- ----- Basin Index (%) 134* 103 UPPER BEAR RIVER BEAR RIVER RS 8777 .1 -M * 15.1 -M * BUG LAKE 7950 16.1 12.0 134 24.4 22.7 107 BURTS MILLER RANCH 8000 .3 -M * 8.5 -M * CHALK CREEK #1 8993 17.5 21.2 83 27.4 29.9 92 HAYDEN FORK 9212 4.2 5.4 78 25.1 25.0 100 KELLEY R.S. 8180 12.1 8.1 149 23.0 21.2 108 LILY LAKE 9156 6.4 4.5 142 18.5 20.7 89 MONTE CRISTO 8960 20.8 21.0 99 29.5 30.8 96 SALT RIVER SUMMIT 7760 8.4 3.9 215 22.0 19.2 115 ----- ----- Basin Index (%) 112 100 ----------------------------------------------------------------------------- -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. ---------------------------------------------------------------------------- -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.