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 20 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 100 34.8 28.5 122 COTTONWOOD CREEK 7670 .0 .0 100 32.3 37.3 87 GRAND TARGHEE 9260 51.2 -M * 48.5 -M * GRANITE CREEK 6770 .0 .0 100 31.2 26.2 119 GRASSY LAKE 7265 4.4 .0 56.9 47.2 121 GROS VENTRE SUMMIT 8750 .0 .0 100 19.8 19.1 104 GUNSIGHT PASS 9820 -M -M * 21.1 -M * LEWIS LAKE DIVIDE 7850 4.8 1.8 267 49.0 47.3 104 PHILLIPS BENCH 8200 6.5 1.4 464 44.5 38.3 116 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.1 88 SNAKE RIVER STATION 6920 .0 .0 100 36.5 30.0 122 SPRING CREEK DIVIDE 9000 4.3 .8 537 32.3 34.3 94 THUMB DIVIDE 7980 .1 .0 29.2 26.2 111 TOGWOTEE PASS 9580 23.2 10.8 215 41.3 34.3 120 TWO OCEAN PLATEAU 9240 30.8 14.0 220 43.9 38.3 115 WILLOW CREEK 8380 5.2 .0 53.4 44.5 120 ----- ----- Basin wide percent of average 242 111 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 23.6 8.1 291 34.3 28.9 119 BLACK BEAR 8170 32.6 9.7 336 56.6 52.6 108 CANYON 7870 .5 .1 500 28.1 22.0 128 FISHER CREEK 9100 37.6 16.5 228 52.6 49.3 107 MADISON PLATEAU 7750 10.2 .2 5100 44.1 36.1 122 NORTHEAST ENTRANCE 7350 .0 .0 100 21.9 19.3 113 PARKER PEAK 9400 20.7 7.3 284 39.9 25.2 158 SYLVAN LAKE 8420 6.3 2.3 274 40.5 31.2 130 THUMB DIVIDE 7980 .1 .0 29.2 26.2 111 TWO OCEAN PLATEAU 9240 30.8 14.0 220 43.9 38.3 115 WHISKEY CREEK 6800 .1 .0 -M 29.2 * WHITE MILL 8700 20.4 7.2 283 38.7 37.4 103 WOLVERINE 7650 .0 .0 100 23.0 19.8 116 ----- ----- Basin wide percent of average 279 117 WIND RIVER BURROUGHS CREEK 8750 .1 .1 100 26.1 24.1 108 COLD SPRINGS 9630 .0 .0 100 18.4 18.8 98 DEER PARK 9700 -M 2.3 * 31.0 32.8 95 HOBBS PARK 10100 5.1 3.1 165 25.7 22.7 113 LITTLE WARM 9370 .0 .0 100 22.5 21.5 105 SOUTH PASS 9040 .2 1.1 18 27.7 27.5 101 ST. LAWRENCE ALT 8620 .1 .0 16.9 16.9 100 TOGWOTEE PASS 9580 23.2 10.8 215 41.3 34.3 120 TOWNSEND CREEK 8700 .0 .0 100 21.9 20.4 107 ----- ----- Basin wide percent of average 189 106 BIGHORN BASIN BALD MTN. 9380 -M 5.3 * 27.7 27.4 101 BEAR TRAP MEADOW 8200 .0 .0 100 19.3 16.2 119 BLACKWATER 9780 27.3 13.9 196 37.9 31.3 121 BONE SPRINGS DIV 9350 -M 1.2 * 29.8 24.6 121 EVENING STAR 9200 26.1 12.9 202 51.8 36.8 141 GRAVE SPRINGS 8550 .0 .0 100 19.2 17.9 107 KIRWIN 9550 .0 .4 0 23.2 19.6 118 MARQUETTE 8760 -M .5 * 22.9 20.3 113 MIDDLE POWDER 7760 .1 .0 18.9 21.0 90 OWL CREEK 8975 .0 .0 100 13.6 12.9 105 POWDER RIVER PASS 9480 .0 .0 100 26.5 21.7 122 SHELL CREEK 9580 12.6 2.1 600 27.9 22.9 122 SYLVAN LAKE 8420 6.3 2.3 274 40.5 31.2 130 SYLVAN ROAD 7120 .0 .0 100 31.5 25.0 126 TIMBER CREEK 7950 .2 .0 19.7 16.1 122 YOUNTS PEAK 8350 .0 .2 0 26.1 23.8 110 ----- ----- Basin wide percent of average 227 118 SHOSHONE RIVER BLACKWATER 9780 27.3 13.9 196 37.9 31.3 121 EVENING STAR 9200 26.1 12.9 202 51.8 36.8 141 KIRWIN 9550 .0 .4 0 23.2 19.6 118 MARQUETTE 8760 -M .5 * 22.9 20.3 113 SYLVAN LAKE 8420 6.3 2.3 274 40.5 31.2 130 SYLVAN ROAD 7120 .0 .0 100 31.5 25.0 126 YOUNTS PEAK 8350 .0 .2 0 26.1 23.8 110 ----- ----- Basin wide percent of average 201 124 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100 19.3 16.2 119 BIG GOOSE 7990 .2 .0 24.4 17.6 139 BONE SPRINGS DIV 9350 -M 1.2 * 29.8 24.6 121 BURGESS JUNCTION 7880 .0 .0 100 25.8 20.4 126 CLOUD PEAK RESERVOIR 9860 10.9 1.3 838 31.7 24.0 132 DOME LAKE 8880 .0 .1 0 28.6 22.5 127 GRAVE SPRINGS 8550 .0 .0 100 19.2 17.9 107 HANSEN SAWMILL 8360 .1 .0 23.4 16.3 144 MIDDLE POWDER 7760 .1 .0 18.9 21.0 90 POWDER RIVER PASS 9480 .0 .0 100 26.5 21.7 122 SUCKER CREEK 8880 2.8 .1 2800 30.5 23.7 129 TIE CREEK 6870 -M .0 * 24.1 19.4 124 ----- ----- Basin wide percent of average 913 123 BELLE FOURCHE BLIND PARK 6890 .0 .0 100 22.6 20.1 112 COLE CANYON 5910 .0 .0 100 23.6 15.4 153 NORTH RAPID CREEK 6130 .0 .0 100 -M 16.7 * ----- ----- Basin wide percent of average * 130 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 .0 100 36.3 33.3 109 DIVIDE PEAK 8880 .0 .0 100 32.0 28.6 112 ELK RIVER 8700 -M .0 * 30.4 27.2 112 JOE WRIGHT 10120 6.2 4.7 132 40.2 36.6 110 NORTH FRENCH CREEK 10130 9.6 8.9 108 41.3 36.0 115 OLD BATTLE 10000 17.8 8.8 202 51.6 45.7 113 SAGE CREEK BASIN 7850 .0 .0 100 22.6 16.6 136 SOUTH BRUSH CREEK 8440 .0 .0 100 24.6 25.0 98 TOWER 10500 22.9 20.5 112 53.8 51.7 104 WEBBER SPRINGS 9250 .0 .5 0 40.3 35.9 112 WILLOW CREEK PASS 9540 .3 .1 300 23.8 20.4 117 ----- ----- Basin wide percent of average 131 111 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 2.4 0 32.0 32.6 98 CASPER MTN. 7900 .0 .6 0 30.5 25.7 119 DEADMAN HILL 10220 .7 2.2 32 28.8 26.0 111 DEER PARK 9700 -M 2.3 * 31.0 32.8 95 LAPRELE CREEK 8375 .0 .0 100 21.3 21.6 99 RENO HILL 8400 .0 .2 0 32.1 26.2 123 ROACH 9700 .0 .7 0 31.6 27.9 113 SAND LAKE 10050 18.8 9.2 204 43.1 36.0 120 SOUTH PASS 9040 .2 1.1 18 27.7 27.5 101 WINDY PEAK 7900 -M .0 * 19.0 18.6 102 ----- ----- Basin wide percent of average 120 108 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100 23.0 21.9 105 DIVIDE PEAK 8880 .0 .0 100 32.0 28.6 112 OLD BATTLE 10000 17.8 8.8 202 51.6 45.7 113 SANDSTONE RS 8150 -M .0 * 28.4 25.9 110 WHISKEY PARK 8950 .0 1.6 0 46.6 39.3 119 ----- ----- Basin wide percent of average 171 113 UPPER GREEN RIVER BIG SANDY OPENING 9080 -M .0 * 19.5 19.9 98 BLIND BULL SUM 8650 13.1 5.7 230 24.9 29.4 85 EAST RIM DIVIDE 7930 .0 .0 100 15.5 17.2 90 ELKHART PARK G.S. 9400 .0 .0 100 16.6 20.5 81 GROS VENTRE SUMMIT 8750 .0 .0 100 19.8 19.1 104 GUNSIGHT PASS 9820 -M -M * 21.1 -M * KENDALL R.S. 7740 .0 .0 100 18.3 19.7 93 LOOMIS PARK 8240 .0 .0 100 23.4 23.6 99 NEW FORK LAKE 8340 .0 .0 100 13.9 17.2 81 SNIDER BASIN 8060 .0 .0 100 19.7 21.3 92 SPRING CREEK DIVIDE 9000 4.3 .8 537 32.3 34.3 94 TRIPLE PEAK 8500 .0 .0 100 39.3 33.3 118 ----- ----- Basin wide percent of average 268 95 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100 15.8 18.1 87 HEWINTA 9519 -M .0 * 23.2 21.4 108 HICKERSON PARK 9145 .0 .0 100 14.4 13.6 106 HOLE-IN-ROCK 9150 .0 .0 100 15.3 13.4 114 INDIAN CREEK 9425 7.4 2.1 352 30.9 33.7 92 KELLEY R.S. 8180 .1 .0 24.3 27.4 89 STEEL CREEK PARK 10200 6.6 2.8 236 26.2 24.5 107 ----- ----- Basin wide percent of average 286 99 UPPER BEAR RIVER BUG LAKE 7950 .1 .0 23.5 26.2 90 HAYDEN FORK 9212 .1 .0 31.3 29.8 105 KELLEY R.S. 8180 .1 .0 24.3 27.4 89 LILY LAKE 9156 .6 .0 25.3 25.4 100 MONTE CRISTO 8960 .1 1.7 6 33.3 35.4 94 SALT RIVER SUMMIT 7760 .0 .0 100 22.1 25.1 88 TRIAL LAKE 9992 -M 4.0 * 32.4 34.9 93 ----- ----- Basin wide percent of average 6* 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.