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: JUNE 1 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 * 30.0 25.7 117 BLACK BEAR 8170 27.9 24.5 114 48.7 46.4 105 BLIND BULL SUM 8650 27.6 11.5 240 26.1 24.4 107 COTTONWOOD CREEK 7670 4.1 .0 * 39.4 31.4 125 EAST RIM DIVIDE 7930 .0 .0 * 17.9 15.0 119 GRAND TARGHEE 9260 39.5 40.0 99 45.2 38.6 117 GRANITE CREEK 6770 .1 .0 * 29.4 24.1 122 GRASSY LAKE 7265 6.7 4.8 140 46.4 43.7 106 GROS VENTRE SUMMIT 8750 .0 .0 * 17.6 17.0 104 GUNSIGHT PASS 9820 8.4 2.8 300 23.0 18.7 123 LEWIS LAKE DIVIDE 7850 15.1 11.6 130 47.1 42.7 110 PHILLIPS BENCH 8200 15.2 9.6 158 39.8 34.2 116 SALT RIVER SUMMIT 7760 .0 .0 * 22.2 20.8 107 SNAKE RIVER STATION 6920 .0 .0 * 30.4 27.8 109 SPRING CREEK DIVIDE 9000 20.9 11.5 182 36.8 29.2 126 THUMB DIVIDE 7980 .1 .0 * 23.7 23.8 100 TOGWOTEE PASS 9580 22.8 19.0 120 37.6 31.0 121 TWO OCEAN PLATEAU 9240 30.8 24.9 124 40.0 34.4 116 WILLOW CREEK 8380 8.9 3.8 234 47.3 42.6 111 YOUNTS PEAK 8350 -M 3.2 * -M 20.7 * ----- ----- Basin Index (%) 139 113 MADISON-GALLATIN BLACK BEAR 8170 27.9 24.5 114 48.7 46.4 105 CANYON 7870 .0 .0 * 20.9 21.0 100 MADISON PLATEAU 7750 5.9 6.2 95 30.9 33.1 93 WEST YELLOWSTONE 6700 .0 .0 * 19.7 18.5 106 WHISKEY CREEK 6800 .2 .0 * 26.6 25.7 104 ----- ----- Basin Index (%) 111* 101 YELLOWSTONE BEARTOOTH LAKE 9360 27.3 17.1 160 34.9 25.2 138 BURNT MTN 5880 .1 .0 * 26.2 20.8 126 CANYON 7870 .0 .0 * 20.9 21.0 100 COLE CREEK 7850 16.8 9.2 183 22.4 21.3 105 EVENING STAR 9200 28.8 17.8 162 46.8 34.9 134 FISHER CREEK 9100 -M 28.1 * 47.3 40.1 118 NORTHEAST ENTRANCE 7350 .0 .0 * 19.7 16.7 118 PARKER PEAK 9400 21.2 13.8 154 35.6 23.8 150 SYLVAN LAKE 8420 5.8 6.6 88 35.6 29.3 122 THUMB DIVIDE 7980 .1 .0 * 23.7 23.8 100 TWO OCEAN PLATEAU 9240 30.8 24.9 124 40.0 34.4 116 WHITE MILL 8700 23.4 16.9 138 35.2 30.4 116 WOLVERINE 7650 -M .0 * 21.1 16.5 128 ----- ----- Basin Index (%) 145 121 WIND RIVER BURROUGHS CREEK 8750 -M 1.3 * -M 21.1 * CASTLE CREEK 8400 .0 -M * 15.4 -M * COLD SPRINGS 9630 .0 .0 * 17.4 15.4 113 DEER PARK 9700 -M 3.1 * 24.8 27.0 92 HOBBS PARK 10100 4.1 6.1 67 19.3 20.5 94 KIRWIN 9550 3.5 1.7 206 22.6 17.0 133 LITTLE WARM 9370 .0 .0 * 20.6 18.4 112 OWL CREEK 8975 .0 .0 * 10.2 10.7 95 SOUTH PASS 9040 .1 .2 50* 19.5 23.6 83 ST. LAWRENCE ALT 8620 .2 .0 * 13.1 14.5 90 TOGWOTEE PASS 9580 22.8 19.0 120 37.6 31.0 121 TOWNSEND CREEK 8700 .0 .0 * 14.6 18.2 80 ----- ----- Basin Index (%) 114* 102 BIGHORN BASIN BALD MTN. 9380 22.7 13.7 166 25.7 23.5 109 BEAR TRAP MEADOW 8200 .0 .0 * 15.3 13.8 111 BONE SPRINGS DIV 9350 12.4 8.6 144 22.6 22.2 102 GRAVE SPRINGS 8550 .1 .0 * 15.9 16.2 98 KIRWIN 9550 3.5 1.7 206 22.6 17.0 133 MARQUETTE 8760 .1 -M * 18.0 -M * MIDDLE POWDER 7760 .0 .0 * 19.2 17.4 110 OWL CREEK 8975 .0 .0 * 10.2 10.7 95 POWDER RIVER PASS 9480 .8 .0 * 20.9 18.7 112 SHELL CREEK 9580 11.5 8.9 129 22.1 19.9 111 TIMBER CREEK 7950 .1 .0 * 14.3 13.6 105 ----- ----- Basin Index (%) 155* 109 SHOSHONE RIVER BLACKWATER 9780 25.0 19.6 128 35.1 27.4 128 EVENING STAR 9200 28.8 17.8 162 46.8 34.9 134 MARQUETTE 8760 .1 -M * 18.0 -M * SYLVAN ROAD 7120 .0 .0 * 25.7 21.3 121 YOUNTS PEAK 8350 -M 3.2 * -M 20.7 * ----- ----- Basin Index (%) 144* 129 POWDER RIVER BEAR TRAP MEADOW 8200 .0 .0 * 15.3 13.8 111 CLOUD PEAK RESERVOIR 9860 14.1 5.1 276 27.3 21.2 129 GRAVE SPRINGS 8550 .1 .0 * 15.9 16.2 98 HANSEN SAWMILL 8360 .1 .0 * 17.1 14.1 121 MIDDLE POWDER 7760 .0 .0 * 19.2 17.4 110 POWDER RIVER PASS 9480 .8 .0 * 20.9 18.7 112 SOLDIER PARK 8720 .1 -M * 17.6 -M * ----- ----- Basin Index (%) 296* 114 TONGUE RIVER BIG GOOSE 7990 .2 .0 * 20.9 18.2 115 BONE SPRINGS DIV 9350 12.4 8.6 144 22.6 22.2 102 BURGESS JUNCTION 7880 2.3 .0 * 21.5 18.1 119 DOME LAKE 8880 5.6 .0 * 24.0 20.3 118 LITTLE GOOSE 8870 1.3 -M * 23.8 -M * SUCKER CREEK 8880 4.0 .2 2000* 25.9 21.6 120 TIE CREEK 6870 .0 .0 * 19.8 18.7 106 ----- ----- Basin Index (%) 278* 113 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 18.3 16.8 109 ----- ----- Basin Index (%) * 109 CHEYENNE RIVER BASIN BLIND PARK 6890 .0 .0 * 21.5 18.4 117 NORTH RAPID CREEK 6130 .0 .0 * 21.0 16.0 131 ----- ----- Basin Index (%) * 124 UPPER N. PLATTE ARAPAHO RIDGE 10960 20.0 7.8 256 35.4 29.2 121 BLACKHALL MTN 9820 24.7 -M * 44.6 -M * COLUMBINE 9160 2.7 .0 * 42.8 31.4 136 DIVIDE PEAK 8880 .0 .0 * 30.1 27.4 110 JOE WRIGHT 10120 26.7 13.9 192 43.5 34.3 127 LAPRELE CREEK 8375 .1 .0 * 18.1 18.0 101 MED BOW 10500 -M -M * 49.5 -M * NORTH FRENCH CREEK 10130 28.2 20.3 139 44.4 35.0 127 NEVER SUMMER 10280 25.1 15.5 162 29.7 -M * OLD BATTLE 10000 32.4 23.9 136 45.7 43.5 105 RAWAH 9020 .0 .0 * 26.5 19.6 135 SAGE CREEK BASIN 7850 .0 .0 * 14.8 17.8 83 SAND LAKE 10050 37.6 20.4 184 43.1 33.2 130 SOUTH BRUSH CREEK 8440 .0 .0 * 20.0 21.1 95 TOWER 10500 42.4 36.3 117 61.2 49.3 124 WEBBER SPRINGS 9250 7.9 .0 * 37.6 33.1 114 WILLOW CREEK PASS 9540 2.2 .0 * 22.4 18.5 121 ZIRKEL 9340 13.8 .0 * 49.0 34.0 144 ----- ----- Basin Index (%) 173* 120 SWEETWATER DEER PARK 9700 -M 3.1 * 24.8 27.0 92 LARSEN CREEK 9000 .0 .0 * 17.9 -M * SOUTH PASS 9040 .1 .2 50* 19.5 23.6 83 ----- ----- Basin Index (%) 50* 88 LOWER N. PLATTE CASPER MTN. 7900 .1 .0 * 21.9 21.7 101 LAPRELE CREEK 8375 .1 .0 * 18.1 18.0 101 RENO HILL 8400 2.2 .0 * 29.1 22.7 128 WINDY PEAK 7900 .0 .0 * 18.5 16.1 115 ----- ----- Basin Index (%) * 112 LARAMIE RIVER BROOKLYN LAKE 10240 16.9 5.0 338 38.9 28.4 137 CINNABAR PARK 9574 14.5 1.1 1318* 38.0 30.2 126 CROW CREEK 8330 .0 .0 * 19.2 16.2 119 DEADMAN HILL 10220 19.0 7.8 244 32.6 24.0 136 RAWAH 9020 .0 .0 * 26.5 19.6 135 ROACH 9700 7.7 1.8 428 33.4 25.7 130 ----- ----- Basin Index (%) 370 131 S. PLATTE BLACK MOUNTAIN 8920 .1 -M * 20.9 -M * CROW CREEK 8330 .0 .0 * 19.2 16.2 119 DEADMAN HILL 10220 19.0 7.8 244 32.6 24.0 136 ----- ----- Basin Index (%) 244* 129 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 * 20.5 19.2 107 DIVIDE PEAK 8880 .0 .0 * 30.1 27.4 110 ELK RIVER 8700 .1 .0 * 28.6 25.4 113 LITTLE SNAKE RIVER 8915 -M 1.9 * -M 36.1 * OLD BATTLE 10000 32.4 23.9 136 45.7 43.5 105 SAGE CREEK BASIN 7850 .0 .0 * 14.8 17.8 83 SANDSTONE RS 8150 -M .0 * 21.2 23.2 91 WHISKEY PARK 8950 12.7 6.3 202 47.3 34.9 136 ----- ----- Basin Index (%) 150* 109 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 * 17.0 17.8 96 BLIND BULL SUM 8650 27.6 11.5 240 26.1 24.4 107 EAST RIM DIVIDE 7930 .0 .0 * 17.9 15.0 119 ELKHART PARK G.S. 9400 .8 .0 * 20.4 17.9 114 GROS VENTRE SUMMIT 8750 .0 .0 * 17.6 17.0 104 GUNSIGHT PASS 9820 8.4 2.8 300 23.0 18.7 123 KENDALL R.S. 7740 .0 .0 * 25.3 17.6 144 LOOMIS PARK 8240 .5 .0 * 27.9 21.5 130 NEW FORK LAKE 8340 .0 .0 * 15.9 14.6 109 POCKET CREEK 9360 -M -M * 15.3 -M * SNIDER BASIN 8060 .0 .0 * 23.1 17.5 132 SPRING CREEK DIVIDE 9000 20.9 11.5 182 36.8 29.2 126 TRIPLE PEAK 8500 7.4 .0 * 41.4 31.5 131 ----- ----- Basin Index (%) 254* 120 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 16.8 -M * BUCK PASTURE 9700 .0 -M * 21.5 -M * EF BLACKS FORK GS 9360 .0 -M * 16.3 -M * HAMS FORK 7840 .0 .0 * 16.9 15.2 111 HEWINTA 9519 .0 .0 * 18.8 18.6 101 HICKERSON PARK 9145 .0 .0 * 12.7 14.4 88 HOLE-IN-ROCK 9150 .0 .0 * 13.9 14.0 99 INDIAN CREEK 9425 12.4 10.4 119 30.9 28.0 110 KELLEY R.S. 8180 .0 .0 * 23.7 22.8 104 SPIRIT LK 10235 .0 -M * 18.9 -M * STEEL CREEK PARK 10200 7.6 9.4 81 21.5 22.1 97 ----- ----- Basin Index (%) 101* 102 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 15.8 -M * BUG LAKE 7950 .3 .0 * 24.5 24.4 100 BURTS MILLER RANCH 8000 .0 -M * 8.9 -M * CHALK CREEK #1 8993 .1 6.0 2 27.7 32.0 87 HAYDEN FORK 9212 .0 .0 * 25.6 26.8 96 KELLEY R.S. 8180 .0 .0 * 23.7 22.8 104 LILY LAKE 9156 .0 .0 * 19.3 22.3 87 MONTE CRISTO 8960 .5 4.2 12 30.8 32.8 94 SALT RIVER SUMMIT 7760 .0 .0 * 22.2 20.8 107 ----- ----- Basin Index (%) 9* 96 ----------------------------------------------------------------------------- -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.