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 SATURDAY: JUNE 7 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.2 .0 33.1 27.6 120 COTTONWOOD CREEK 7670 4.0 1.7 235 32.0 36.4 88 GRAND TARGHEE 9260 54.4 -M * 45.5 -M * GRANITE CREEK 6770 .0 .0 100 29.4 25.4 116 GRASSY LAKE 7265 16.5 8.6 192 54.1 45.8 118 GROS VENTRE SUMMIT 8750 .0 1.2 0 19.0 18.2 104 GUNSIGHT PASS 9820 4.3 -M * 20.2 -M * LEWIS LAKE DIVIDE 7850 18.7 13.1 143 46.1 46.1 100 PHILLIPS BENCH 8200 16.8 10.1 166 42.6 37.2 115 SALT RIVER SUMMIT 7760 .0 .0 100 21.2 24.5 87 SNAKE RIVER STATION 6920 .0 .0 100 34.8 28.9 120 SPRING CREEK DIVIDE 9000 11.5 10.7 107 30.6 33.5 91 THUMB DIVIDE 7980 .2 .0 27.5 25.3 109 TOGWOTEE PASS 9580 26.5 18.9 140 38.7 33.3 116 TWO OCEAN PLATEAU 9240 38.5 22.1 174 41.7 37.0 113 WILLOW CREEK 8380 16.4 9.7 169 51.5 43.3 119 ----- ----- Basin wide percent of average 155 109 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 26.2 16.6 158 32.7 27.6 118 BLACK BEAR 8170 40.0 21.1 190 54.5 51.1 107 CANYON 7870 1.6 .4 400 27.1 21.0 129 FISHER CREEK 9100 -M 26.8 * 50.2 47.5 106 MADISON PLATEAU 7750 -M 5.0 * 42.0 34.9 120 NORTHEAST ENTRANCE 7350 .1 .0 20.6 18.1 114 PARKER PEAK 9400 26.1 14.6 179 36.3 23.9 152 SYLVAN LAKE 8420 16.6 8.0 208 37.2 29.8 125 THUMB DIVIDE 7980 .2 .0 27.5 25.3 109 TWO OCEAN PLATEAU 9240 38.5 22.1 174 41.7 37.0 113 WHISKEY CREEK 6800 4.6 .1 4600 33.0 27.9 118 WHITE MILL 8700 24.5 14.9 164 36.8 35.9 103 WOLVERINE 7650 .0 .0 100 20.8 18.8 111 ----- ----- Basin wide percent of average 182 115 WIND RIVER BURROUGHS CREEK 8750 5.6 1.6 350 25.0 23.1 108 COLD SPRINGS 9630 -M .6 * 18.1 17.7 102 DEER PARK 9700 13.1 6.5 202 30.6 31.6 97 HOBBS PARK 10100 14.2 7.5 189 25.0 21.6 116 LITTLE WARM 9370 .3 .7 43 21.3 20.5 104 SOUTH PASS 9040 4.6 3.7 124 27.6 26.5 104 ST. LAWRENCE ALT 8620 .2 .2 100 16.6 15.8 105 TOGWOTEE PASS 9580 26.5 18.9 140 38.7 33.3 116 TOWNSEND CREEK 8700 .9 1.0 90 22.2 19.4 114 ----- ----- Basin wide percent of average 163 107 BIGHORN BASIN BALD MTN. 9380 17.0 13.2 129 24.8 26.0 95 BEAR TRAP MEADOW 8200 .1 .1 100 19.1 14.9 128 BLACKWATER 9780 29.3 21.2 138 35.1 29.8 118 BONE SPRINGS DIV 9350 10.9 5.6 195 27.7 23.1 120 EVENING STAR 9200 28.2 22.5 125 46.8 35.2 133 GRAVE SPRINGS 8550 .9 .8 112 19.1 16.7 114 KIRWIN 9550 7.3 3.8 192 22.7 18.2 125 MARQUETTE 8760 5.3 2.6 204 22.5 18.9 119 MIDDLE POWDER 7760 .2 .9 22 19.0 19.7 96 OWL CREEK 8975 .0 .2 0 13.7 11.7 117 POWDER RIVER PASS 9480 4.6 1.0 460 24.8 20.3 122 SHELL CREEK 9580 16.6 7.2 231 25.8 21.3 121 SYLVAN LAKE 8420 16.6 8.0 208 37.2 29.8 125 SYLVAN ROAD 7120 .2 .0 29.2 23.9 122 TIMBER CREEK 7950 .3 .0 19.8 15.0 132 YOUNTS PEAK 8350 5.4 3.6 150 24.2 22.7 107 ----- ----- Basin wide percent of average 157 119 SHOSHONE RIVER BLACKWATER 9780 29.3 21.2 138 35.1 29.8 118 EVENING STAR 9200 28.2 22.5 125 46.8 35.2 133 KIRWIN 9550 7.3 3.8 192 22.7 18.2 125 MARQUETTE 8760 5.3 2.6 204 22.5 18.9 119 SYLVAN LAKE 8420 16.6 8.0 208 37.2 29.8 125 SYLVAN ROAD 7120 .2 .0 29.2 23.9 122 YOUNTS PEAK 8350 5.4 3.6 150 24.2 22.7 107 ----- ----- Basin wide percent of average 149 122 POWDER-TONGUE BEAR TRAP MEADOW 8200 .1 .1 100 19.1 14.9 128 BIG GOOSE 7990 2.0 .0 23.2 16.8 138 BONE SPRINGS DIV 9350 10.9 5.6 195 27.7 23.1 120 BURGESS JUNCTION 7880 7.5 .8 938 24.0 19.1 126 CLOUD PEAK RESERVOIR 9860 19.5 4.8 406 30.9 22.5 137 DOME LAKE 8880 6.8 1.7 400 27.0 21.2 127 GRAVE SPRINGS 8550 .9 .8 112 19.1 16.7 114 HANSEN SAWMILL 8360 .3 .0 22.9 14.9 154 MIDDLE POWDER 7760 .2 .9 22 19.0 19.7 96 POWDER RIVER PASS 9480 4.6 1.0 460 24.8 20.3 122 SUCKER CREEK 8880 11.7 1.7 688 28.7 22.2 129 TIE CREEK 6870 -M .0 * 23.6 18.0 131 ----- ----- Basin wide percent of average 357 126 BELLE FOURCHE BLIND PARK 6890 .1 .0 20.3 18.7 109 COLE CANYON 5910 .0 .0 100 22.4 13.8 162 NORTH RAPID CREEK 6130 .0 .0 100 21.9 14.9 147 ----- ----- Basin wide percent of average * 136 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .5 0 36.4 32.6 112 DIVIDE PEAK 8880 .1 1.7 6 31.2 27.9 112 ELK RIVER 8700 .3 .4 75 30.1 26.4 114 JOE WRIGHT 10120 17.0 12.9 132 39.7 35.5 112 NORTH FRENCH CREEK 10130 21.9 19.1 115 41.0 34.9 117 OLD BATTLE 10000 28.9 20.7 140 50.6 44.8 113 SAGE CREEK BASIN 7850 .0 1.0 0 22.2 16.2 137 SOUTH BRUSH CREEK 8440 .1 .9 11 24.2 24.1 100 TOWER 10500 36.7 36.4 101 53.1 50.6 105 WEBBER SPRINGS 9250 5.5 3.6 153 39.7 35.1 113 WILLOW CREEK PASS 9540 6.5 1.5 433 22.6 19.3 117 ----- ----- Basin wide percent of average 119 112 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 6.8 7.8 87 31.8 31.7 100 CASPER MTN. 7900 .0 2.6 0 29.6 24.6 120 DEADMAN HILL 10220 12.6 7.9 159 28.6 25.2 113 DEER PARK 9700 13.1 6.5 202 30.6 31.6 97 LAPRELE CREEK 8375 .0 .2 0 21.2 20.7 102 RENO HILL 8400 .2 2.1 10 31.4 25.3 124 ROACH 9700 6.1 3.7 165 31.3 27.0 116 SAND LAKE 10050 29.0 20.5 141 42.4 34.9 121 SOUTH PASS 9040 4.6 3.7 124 27.6 26.5 104 WINDY PEAK 7900 .7 .0 18.9 17.6 107 ----- ----- Basin wide percent of average 132 111 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 22.5 21.3 106 DIVIDE PEAK 8880 .1 1.7 6 31.2 27.9 112 OLD BATTLE 10000 28.9 20.7 140 50.6 44.8 113 SANDSTONE RS 8150 .1 .0 27.8 25.2 110 WHISKEY PARK 8950 14.9 8.5 175 45.7 38.4 119 ----- ----- Basin wide percent of average 142 113 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100 19.4 19.1 102 BLIND BULL SUM 8650 20.0 14.3 140 24.2 28.6 85 EAST RIM DIVIDE 7930 .0 .0 100 15.3 16.5 93 ELKHART PARK G.S. 9400 .0 .8 0 16.5 19.5 85 GROS VENTRE SUMMIT 8750 .0 1.2 0 19.0 18.2 104 GUNSIGHT PASS 9820 4.3 -M * 20.2 -M * KENDALL R.S. 7740 .0 .0 100 17.8 19.0 94 LOOMIS PARK 8240 .1 .0 23.1 22.9 101 NEW FORK LAKE 8340 .0 .0 100 13.5 16.3 83 SNIDER BASIN 8060 .0 .0 100 18.6 20.8 89 SPRING CREEK DIVIDE 9000 11.5 10.7 107 30.6 33.5 91 TRIPLE PEAK 8500 7.9 .0 37.5 32.4 116 ----- ----- Basin wide percent of average 117 95 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 15.3 17.4 88 HEWINTA 9519 -M .1 * 22.8 20.7 110 HICKERSON PARK 9145 .0 .0 100 14.0 13.0 108 HOLE-IN-ROCK 9150 .0 .0 100 15.0 12.6 119 INDIAN CREEK 9425 16.2 10.9 149 -M 32.9 * KELLEY R.S. 8180 .2 .0 23.4 26.7 88 STEEL CREEK PARK 10200 15.7 8.7 180 25.8 23.7 109 ----- ----- Basin wide percent of average 163 102 UPPER BEAR RIVER BUG LAKE 7950 .1 1.1 9 22.8 25.6 89 HAYDEN FORK 9212 .2 .5 40 30.8 29.0 106 KELLEY R.S. 8180 .2 .0 23.4 26.7 88 LILY LAKE 9156 .6 .6 100 25.0 24.6 102 MONTE CRISTO 8960 11.6 8.5 136 33.1 34.6 96 SALT RIVER SUMMIT 7760 .0 .0 100 21.2 24.5 87 TRIAL LAKE 9992 7.9 11.0 72 31.9 33.9 94 ----- ----- Basin wide percent of average 94 95 ----------------------------------------------------------------------------- -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.