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 THURSDAY: JUNE 5 , 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 27.4 121 COTTONWOOD CREEK 7670 4.9 2.8 175 31.5 36.2 87 GRAND TARGHEE 9260 54.2 -M * 45.2 -M * GRANITE CREEK 6770 .1 .0 29.5 25.2 117 GRASSY LAKE 7265 18.3 10.4 176 53.8 45.6 118 GROS VENTRE SUMMIT 8750 .0 2.1 0 18.6 18.0 103 GUNSIGHT PASS 9820 4.6 -M * 19.8 -M * LEWIS LAKE DIVIDE 7850 20.1 14.8 136 45.9 45.9 100 PHILLIPS BENCH 8200 17.8 11.4 156 42.3 37.1 114 SALT RIVER SUMMIT 7760 .0 .0 100 21.0 24.4 86 SNAKE RIVER STATION 6920 .0 .0 100 34.6 28.8 120 SPRING CREEK DIVIDE 9000 12.5 12.2 102 30.0 33.4 90 THUMB DIVIDE 7980 .2 .0 26.9 25.1 107 TOGWOTEE PASS 9580 26.6 19.9 134 38.4 33.1 116 TWO OCEAN PLATEAU 9240 39.4 23.2 170 41.4 36.8 112 WILLOW CREEK 8380 16.3 11.3 144 50.4 43.1 117 ----- ----- Basin wide percent of average 144 108 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 26.1 17.8 147 32.1 27.4 117 BLACK BEAR 8170 40.4 22.7 178 53.9 50.8 106 CANYON 7870 1.9 .6 317 26.3 20.9 126 FISHER CREEK 9100 -M 28.1 * 49.3 47.3 104 MADISON PLATEAU 7750 19.3 6.2 311 41.1 34.7 118 NORTHEAST ENTRANCE 7350 .0 .2 0 20.1 18.0 112 PARKER PEAK 9400 26.3 15.9 165 35.2 23.6 149 SYLVAN LAKE 8420 16.9 9.2 184 36.3 29.5 123 THUMB DIVIDE 7980 .2 .0 26.9 25.1 107 TWO OCEAN PLATEAU 9240 39.4 23.2 170 41.4 36.8 112 WHISKEY CREEK 6800 5.2 .3 1733 32.3 27.7 117 WHITE MILL 8700 24.6 15.9 155 35.9 35.7 101 WOLVERINE 7650 .0 .0 100 20.4 18.6 110 ----- ----- Basin wide percent of average 179 114 WIND RIVER BURROUGHS CREEK 8750 6.3 2.1 300 24.9 23.0 108 COLD SPRINGS 9630 .1 .9 11 17.7 17.5 101 DEER PARK 9700 12.3 6.9 178 29.6 31.4 94 HOBBS PARK 10100 13.4 8.5 158 24.2 21.4 113 LITTLE WARM 9370 .3 1.1 27 20.8 20.4 102 SOUTH PASS 9040 4.1 4.6 89 26.5 26.4 100 ST. LAWRENCE ALT 8620 .4 .4 100 15.8 15.6 101 TOGWOTEE PASS 9580 26.6 19.9 134 38.4 33.1 116 TOWNSEND CREEK 8700 1.0 1.3 77 21.3 19.2 111 ----- ----- Basin wide percent of average 141 105 BIGHORN BASIN BALD MTN. 9380 17.1 14.3 120 24.7 25.8 96 BEAR TRAP MEADOW 8200 .1 .0 18.3 14.7 124 BLACKWATER 9780 29.0 22.6 128 34.8 29.5 118 BONE SPRINGS DIV 9350 10.6 6.4 166 27.3 22.9 119 EVENING STAR 9200 27.6 24.1 115 45.8 35.0 131 GRAVE SPRINGS 8550 1.9 1.1 173 18.6 16.5 113 KIRWIN 9550 7.5 4.5 167 22.3 18.0 124 MARQUETTE 8760 5.7 3.2 178 21.7 18.6 117 MIDDLE POWDER 7760 .4 1.3 31 17.8 19.5 91 OWL CREEK 8975 .5 .3 167 13.4 11.5 117 POWDER RIVER PASS 9480 4.9 1.2 408 24.5 20.1 122 SHELL CREEK 9580 16.8 8.1 207 25.5 21.0 121 SYLVAN LAKE 8420 16.9 9.2 184 36.3 29.5 123 SYLVAN ROAD 7120 .0 .0 100 28.4 23.7 120 TIMBER CREEK 7950 .4 .3 133 18.5 14.8 125 YOUNTS PEAK 8350 6.9 4.6 150 24.2 22.5 108 ----- ----- Basin wide percent of average 144 117 SHOSHONE RIVER BLACKWATER 9780 29.0 22.6 128 34.8 29.5 118 EVENING STAR 9200 27.6 24.1 115 45.8 35.0 131 KIRWIN 9550 7.5 4.5 167 22.3 18.0 124 MARQUETTE 8760 5.7 3.2 178 21.7 18.6 117 SYLVAN LAKE 8420 16.9 9.2 184 36.3 29.5 123 SYLVAN ROAD 7120 .0 .0 100 28.4 23.7 120 YOUNTS PEAK 8350 6.9 4.6 150 24.2 22.5 108 ----- ----- Basin wide percent of average 137 121 POWDER-TONGUE BEAR TRAP MEADOW 8200 .1 .0 18.3 14.7 124 BIG GOOSE 7990 1.5 .0 22.2 16.7 133 BONE SPRINGS DIV 9350 10.6 6.4 166 27.3 22.9 119 BURGESS JUNCTION 7880 8.3 1.3 638 23.6 18.9 125 CLOUD PEAK RESERVOIR 9860 18.8 5.6 336 30.1 22.2 136 DOME LAKE 8880 6.3 2.1 300 26.2 21.0 125 GRAVE SPRINGS 8550 1.9 1.1 173 18.6 16.5 113 HANSEN SAWMILL 8360 .4 .0 22.2 14.6 152 MIDDLE POWDER 7760 .4 1.3 31 17.8 19.5 91 POWDER RIVER PASS 9480 4.9 1.2 408 24.5 20.1 122 SUCKER CREEK 8880 11.4 2.2 518 28.2 22.0 128 TIE CREEK 6870 -M .1 * 22.6 17.7 128 ----- ----- Basin wide percent of average 295 124 BELLE FOURCHE BLIND PARK 6890 .1 .0 19.7 18.4 107 COLE CANYON 5910 .1 .0 20.5 13.5 152 NORTH RAPID CREEK 6130 .4 .0 -M 14.6 * ----- ----- Basin wide percent of average * 126 UPPER N. PLATTE RIVER COLUMBINE 9160 .1 .8 12 35.5 32.5 109 DIVIDE PEAK 8880 .1 2.3 4 31.1 27.8 112 ELK RIVER 8700 .3 .7 43 29.7 26.3 113 JOE WRIGHT 10120 16.2 14.3 113 38.4 35.3 109 NORTH FRENCH CREEK 10130 22.0 20.8 106 40.5 34.7 117 OLD BATTLE 10000 29.1 22.4 130 50.2 44.6 113 SAGE CREEK BASIN 7850 .0 1.3 0 22.0 16.1 137 SOUTH BRUSH CREEK 8440 .1 1.1 9 23.8 24.0 99 TOWER 10500 35.8 38.6 93 52.0 50.4 103 WEBBER SPRINGS 9250 6.7 4.4 152 39.3 35.0 112 WILLOW CREEK PASS 9540 7.5 1.9 395 22.1 19.2 115 ----- ----- Basin wide percent of average 109 111 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 7.2 9.0 80 31.1 31.5 99 CASPER MTN. 7900 .3 3.1 10 26.2 24.4 107 DEADMAN HILL 10220 11.8 9.0 131 27.6 25.0 110 DEER PARK 9700 12.3 6.9 178 29.6 31.4 94 LAPRELE CREEK 8375 -M .4 * 20.8 20.5 101 RENO HILL 8400 1.0 2.5 40 30.1 25.1 120 ROACH 9700 5.4 4.4 123 30.1 26.8 112 SAND LAKE 10050 28.9 22.3 130 41.3 34.7 119 SOUTH PASS 9040 4.1 4.6 89 26.5 26.4 100 WINDY PEAK 7900 .8 .0 18.6 17.4 107 ----- ----- Basin wide percent of average 115 107 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 22.3 21.2 105 DIVIDE PEAK 8880 .1 2.3 4 31.1 27.8 112 OLD BATTLE 10000 29.1 22.4 130 50.2 44.6 113 SANDSTONE RS 8150 .1 .0 27.8 25.1 111 WHISKEY PARK 8950 14.2 10.1 141 45.3 38.2 119 ----- ----- Basin wide percent of average 125 113 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 100 19.0 18.9 101 BLIND BULL SUM 8650 20.8 15.5 134 23.8 28.4 84 EAST RIM DIVIDE 7930 .0 .0 100 15.2 16.3 93 ELKHART PARK G.S. 9400 .0 1.6 0 16.5 19.4 85 GROS VENTRE SUMMIT 8750 .0 2.1 0 18.6 18.0 103 GUNSIGHT PASS 9820 4.6 -M * 19.8 -M * KENDALL R.S. 7740 .1 .0 17.7 18.9 94 LOOMIS PARK 8240 .1 .5 20 23.1 22.8 101 NEW FORK LAKE 8340 .0 .0 100 13.6 16.2 84 SNIDER BASIN 8060 .0 .0 100 18.4 20.7 89 SPRING CREEK DIVIDE 9000 12.5 12.2 102 30.0 33.4 90 TRIPLE PEAK 8500 8.8 1.6 550 37.0 32.3 115 ----- ----- Basin wide percent of average 126 95 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 15.2 17.3 88 HEWINTA 9519 .0 .2 0 22.5 20.6 109 HICKERSON PARK 9145 .0 .0 100 13.3 12.8 104 HOLE-IN-ROCK 9150 .1 .0 14.2 12.5 114 INDIAN CREEK 9425 16.8 12.2 138 -M 32.8 * KELLEY R.S. 8180 .3 .0 23.4 26.5 88 STEEL CREEK PARK 10200 15.6 9.8 159 25.4 23.5 108 ----- ----- Basin wide percent of average 146 101 UPPER BEAR RIVER BUG LAKE 7950 .2 1.5 13 22.1 25.4 87 HAYDEN FORK 9212 .3 .7 43 30.6 28.8 106 KELLEY R.S. 8180 .3 .0 23.4 26.5 88 LILY LAKE 9156 .7 .8 87 24.3 24.5 99 MONTE CRISTO 8960 11.6 9.8 118 32.5 34.4 94 SALT RIVER SUMMIT 7760 .0 .0 100 21.0 24.4 86 TRIAL LAKE 9992 8.6 12.1 71 31.8 33.8 94 ----- ----- Basin wide percent of average 86 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.