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 FRIDAY: JUNE 6 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.3 .0 33.1 27.5 120 COTTONWOOD CREEK 7670 4.1 2.3 178 31.5 36.3 87 GRAND TARGHEE 9260 54.4 -M * 45.5 -M * GRANITE CREEK 6770 .1 .0 29.6 25.3 117 GRASSY LAKE 7265 17.4 9.5 183 54.0 45.7 118 GROS VENTRE SUMMIT 8750 .0 1.7 0 18.6 18.1 103 GUNSIGHT PASS 9820 4.2 -M * 20.0 -M * LEWIS LAKE DIVIDE 7850 19.0 13.9 137 45.9 46.0 100 PHILLIPS BENCH 8200 16.7 10.7 156 42.3 37.2 114 SALT RIVER SUMMIT 7760 .0 .0 100 20.9 24.4 86 SNAKE RIVER STATION 6920 .0 .0 100 34.8 28.8 121 SPRING CREEK DIVIDE 9000 11.6 11.5 101 30.1 33.5 90 THUMB DIVIDE 7980 .2 .0 27.0 25.2 107 TOGWOTEE PASS 9580 26.1 19.4 135 38.4 33.2 116 TWO OCEAN PLATEAU 9240 38.7 22.7 170 41.5 36.9 112 WILLOW CREEK 8380 15.7 10.5 150 50.5 43.2 117 ----- ----- Basin wide percent of average 146 108 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 26.1 17.3 151 32.3 27.5 117 BLACK BEAR 8170 39.7 21.8 182 54.1 51.0 106 CANYON 7870 1.1 .5 220 26.4 20.9 126 FISHER CREEK 9100 36.9 27.5 134 49.3 47.4 104 MADISON PLATEAU 7750 18.6 5.6 332 41.2 34.8 118 NORTHEAST ENTRANCE 7350 .0 .1 0 20.1 18.1 111 PARKER PEAK 9400 25.2 15.2 166 35.3 23.8 148 SYLVAN LAKE 8420 15.8 8.6 184 36.4 29.7 123 THUMB DIVIDE 7980 .2 .0 27.0 25.2 107 TWO OCEAN PLATEAU 9240 38.7 22.7 170 41.5 36.9 112 WHISKEY CREEK 6800 4.3 .2 2150 32.4 27.8 117 WHITE MILL 8700 23.9 15.4 155 36.0 35.8 101 WOLVERINE 7650 .0 .0 100 20.5 18.7 110 ----- ----- Basin wide percent of average 171 114 WIND RIVER BURROUGHS CREEK 8750 5.8 1.9 305 24.9 23.0 108 COLD SPRINGS 9630 .0 .8 0 17.9 17.6 102 DEER PARK 9700 12.7 6.7 190 30.1 31.5 96 HOBBS PARK 10100 14.1 7.9 178 24.8 21.5 115 LITTLE WARM 9370 .0 .9 0 20.9 20.5 102 SOUTH PASS 9040 4.6 4.2 110 27.2 26.5 103 ST. LAWRENCE ALT 8620 .0 .3 0 16.6 15.7 106 TOGWOTEE PASS 9580 26.1 19.4 135 38.4 33.2 116 TOWNSEND CREEK 8700 1.2 1.1 109 22.0 19.3 114 ----- ----- Basin wide percent of average 149 107 BIGHORN BASIN BALD MTN. 9380 17.0 13.7 124 25.1 25.9 97 BEAR TRAP MEADOW 8200 .0 .0 100 18.8 14.8 127 BLACKWATER 9780 29.1 22.0 132 34.9 29.6 118 BONE SPRINGS DIV 9350 10.6 6.0 177 27.5 23.0 120 EVENING STAR 9200 27.4 23.4 117 45.9 35.1 131 GRAVE SPRINGS 8550 1.6 1.0 160 19.2 16.6 116 KIRWIN 9550 7.4 4.1 180 22.6 18.1 125 MARQUETTE 8760 6.0 2.9 207 22.6 18.7 121 MIDDLE POWDER 7760 .2 1.1 18 19.0 19.6 97 OWL CREEK 8975 .0 .3 0 13.6 11.6 117 POWDER RIVER PASS 9480 4.6 1.1 418 24.5 20.2 121 SHELL CREEK 9580 16.6 7.7 216 25.6 21.2 121 SYLVAN LAKE 8420 15.8 8.6 184 36.4 29.7 123 SYLVAN ROAD 7120 .0 .0 100 28.4 23.8 119 TIMBER CREEK 7950 .0 .1 0 19.8 14.9 133 YOUNTS PEAK 8350 5.8 4.1 141 24.2 22.6 107 ----- ----- Basin wide percent of average 148 118 SHOSHONE RIVER BLACKWATER 9780 29.1 22.0 132 34.9 29.6 118 EVENING STAR 9200 27.4 23.4 117 45.9 35.1 131 KIRWIN 9550 7.4 4.1 180 22.6 18.1 125 MARQUETTE 8760 6.0 2.9 207 22.6 18.7 121 SYLVAN LAKE 8420 15.8 8.6 184 36.4 29.7 123 SYLVAN ROAD 7120 .0 .0 100 28.4 23.8 119 YOUNTS PEAK 8350 5.8 4.1 141 24.2 22.6 107 ----- ----- Basin wide percent of average 141 121 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100 18.8 14.8 127 BIG GOOSE 7990 2.2 .0 23.2 16.7 139 BONE SPRINGS DIV 9350 10.6 6.0 177 27.5 23.0 120 BURGESS JUNCTION 7880 8.0 1.0 800 24.0 19.0 126 CLOUD PEAK RESERVOIR 9860 19.5 5.2 375 30.9 22.4 138 DOME LAKE 8880 6.8 1.9 358 26.8 21.1 127 GRAVE SPRINGS 8550 1.6 1.0 160 19.2 16.6 116 HANSEN SAWMILL 8360 .0 .0 100 22.7 14.7 154 MIDDLE POWDER 7760 .2 1.1 18 19.0 19.6 97 POWDER RIVER PASS 9480 4.6 1.1 418 24.5 20.2 121 SUCKER CREEK 8880 11.8 2.0 590 28.6 22.1 129 TIE CREEK 6870 .0 .1 0 23.5 17.8 132 ----- ----- Basin wide percent of average 325 127 BELLE FOURCHE BLIND PARK 6890 .0 .1 0 20.1 18.6 108 COLE CANYON 5910 .0 .0 100 22.4 13.6 165 NORTH RAPID CREEK 6130 .0 .0 100 21.9 14.8 148 ----- ----- Basin wide percent of average 0 137 UPPER N. PLATTE RIVER COLUMBINE 9160 .1 .6 17 36.4 32.5 112 DIVIDE PEAK 8880 .2 2.0 10 31.2 27.9 112 ELK RIVER 8700 .3 .5 60 30.1 26.3 114 JOE WRIGHT 10120 17.2 13.6 126 39.6 35.4 112 NORTH FRENCH CREEK 10130 22.1 19.9 111 41.0 34.8 118 OLD BATTLE 10000 29.3 21.6 136 50.5 44.7 113 SAGE CREEK BASIN 7850 .0 1.2 0 22.2 16.2 137 SOUTH BRUSH CREEK 8440 .1 1.0 10 24.0 24.1 100 TOWER 10500 36.8 37.5 98 52.9 50.5 105 WEBBER SPRINGS 9250 6.6 4.0 165 39.6 35.1 113 WILLOW CREEK PASS 9540 7.8 1.7 459 22.6 19.3 117 ----- ----- Basin wide percent of average 116 112 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 7.5 8.4 89 31.6 31.6 100 CASPER MTN. 7900 .3 2.8 11 29.6 24.5 121 DEADMAN HILL 10220 12.7 8.5 149 28.6 25.1 114 DEER PARK 9700 12.7 6.7 190 30.1 31.5 96 LAPRELE CREEK 8375 .0 .3 0 21.2 20.6 103 RENO HILL 8400 .8 2.3 35 31.4 25.2 125 ROACH 9700 6.6 4.1 161 31.2 26.9 116 SAND LAKE 10050 29.5 21.4 138 42.2 34.8 121 SOUTH PASS 9040 4.6 4.2 110 27.2 26.5 103 WINDY PEAK 7900 .8 .0 18.9 17.5 108 ----- ----- Basin wide percent of average 127 111 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 22.5 21.2 106 DIVIDE PEAK 8880 .2 2.0 10 31.2 27.9 112 OLD BATTLE 10000 29.3 21.6 136 50.5 44.7 113 SANDSTONE RS 8150 .2 .0 27.9 25.1 111 WHISKEY PARK 8950 -M 9.3 * 45.7 38.3 119 ----- ----- Basin wide percent of average 125 113 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100 19.1 19.0 101 BLIND BULL SUM 8650 19.8 14.9 133 23.8 28.5 84 EAST RIM DIVIDE 7930 .0 .0 100 15.1 16.4 92 ELKHART PARK G.S. 9400 .0 1.2 0 16.2 19.5 83 GROS VENTRE SUMMIT 8750 .0 1.7 0 18.6 18.1 103 GUNSIGHT PASS 9820 4.2 -M * 20.0 -M * KENDALL R.S. 7740 .1 .0 17.7 19.0 93 LOOMIS PARK 8240 .1 .0 23.1 22.8 101 NEW FORK LAKE 8340 .0 .0 100 13.8 16.3 85 SNIDER BASIN 8060 .0 .0 100 18.3 20.7 88 SPRING CREEK DIVIDE 9000 11.6 11.5 101 30.1 33.5 90 TRIPLE PEAK 8500 7.7 .8 962 37.1 32.3 115 ----- ----- Basin wide percent of average 130 95 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 15.2 17.3 88 HEWINTA 9519 -M .1 * 22.8 20.6 111 HICKERSON PARK 9145 .0 .0 100 13.9 12.9 108 HOLE-IN-ROCK 9150 .2 .0 15.0 12.6 119 INDIAN CREEK 9425 16.1 11.6 139 -M 32.9 * KELLEY R.S. 8180 .3 .0 23.5 26.6 88 STEEL CREEK PARK 10200 16.0 9.3 172 25.8 23.6 109 ----- ----- Basin wide percent of average 154* 102 UPPER BEAR RIVER BUG LAKE 7950 .1 1.3 8 22.9 25.5 90 HAYDEN FORK 9212 .2 .6 33 30.8 28.9 107 KELLEY R.S. 8180 .3 .0 23.5 26.6 88 LILY LAKE 9156 .6 .7 86 24.5 24.5 100 MONTE CRISTO 8960 11.6 9.2 126 32.8 34.5 95 SALT RIVER SUMMIT 7760 .0 .0 100 20.9 24.4 86 TRIAL LAKE 9992 8.5 11.6 73 31.8 33.9 94 ----- ----- Basin wide percent of average 90 94 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values If the Basin wide percent of average 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 Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average 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. Reference period for average conditions is 1961-90. Provisional data, subject to revision. ---------------------------------------------------------------------------- -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.