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: NOVEMBER 6 , 2004 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.9 1.2 158* 3.3 2.8 118 COTTONWOOD CREEK 7600 2.4 1.5 160* 4.5 3.9 115 GRANITE CREEK 6770 1.7 1.0 170* 4.3 2.4 179 GRASSY LAKE 7265 3.8 2.4 158* 5.0 4.5 111 GROS VENTRE SUMMIT 8750 2.5 1.8 139 2.9 2.3 126 LEWIS LAKE DIVIDE 7850 4.3 2.2 195* 5.2 4.4 118 PHILLIPS BENCH 8200 3.4 2.2 155* 4.4 3.3 133 SALT RIVER SUMMIT 7600 1.5 .7 214* 4.0 2.5 160 SNAKE RIVER STATION 6920 1.1 1.1 100* 3.1 3.0 103 SPRING CREEK DIVIDE 9000 5.0 2.3 217* 5.6 3.5 160 THUMB DIVIDE 7980 2.1 1.3 162* 2.8 2.7 104 TOGWOTEE PASS 9580 3.2 3.4 94 3.4 3.6 94 TWO OCEAN PLATEAU 9240 5.4 4.0 135 4.9 4.0 123 WILLOW CREEK 8450 4.3 2.8 154* 6.2 4.7 132 ----- ----- Basin wide percent of average 153* 125 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.1 3.4 91 3.3 2.8 118 BLACK BEAR 8170 6.7 3.8 176* 7.3 4.8 152 CANYON 8090 1.4 1.1 127* 2.6 2.4 108 FISHER CREEK 9100 3.9 3.7 105* 5.1 4.5 113 MADISON PLATEAU 7750 3.5 2.3 152* 4.8 3.4 141 NORTHEAST ENTRANCE 7350 .4 .6 67* 1.5 2.0 75 PARKER PEAK 9400 3.0 3.2 94 3.0 2.9 103 SYLVAN LAKE 8420 3.2 2.7 119 4.3 3.4 126 THUMB DIVIDE 7980 2.1 1.3 162* 2.8 2.7 104 TWO OCEAN PLATEAU 9240 5.4 4.0 135 4.9 4.0 123 WHISKEY CREEK 6800 2.0 1.2 167* 4.0 2.9 138 WHITE MILL 8700 2.8 2.7 104 3.5 3.6 97 WOLVERINE 7650 .4 .9 44* 1.9 2.3 83 ----- ----- Basin wide percent of average 123* 118 WIND RIVER BURROUGHS CREEK 8750 1.6 1.4 114* 2.1 2.2 95 COLD SPRINGS 9630 1.4 1.5 93 1.9 2.4 79 DEER PARK 9700 6.6 3.1 213 7.5 3.4 221 HOBBS PARK 10100 3.4 2.8 121 3.5 2.6 135 LITTLE WARM 9370 1.7 1.5 113 2.0 2.3 87 SOUTH PASS 9040 4.5 2.1 214 5.6 2.8 200 ST. LAWRENCE ALT 8620 1.0 1.2 83 1.8 2.1 86 TOGWOTEE PASS 9580 3.2 3.4 94 3.4 3.6 94 TOWNSEND CREEK 8700 1.6 1.4 114 4.2 2.6 162 ----- ----- Basin wide percent of average 136 133 BIGHORN BASIN BALD MTN. 9380 3.8 3.4 112 4.1 3.0 137 BEAR TRAP MEADOW 8200 1.0 .8 125 2.8 2.1 133 BLACKWATER 9780 3.4 3.9 87 3.7 3.5 106 BONE SPRINGS DIV 9350 4.4 3.2 138 4.6 3.0 153 EVENING STAR 9200 3.5 3.7 95 4.7 3.8 124 GRAVE SPRINGS 8550 1.3 1.5 87 2.4 2.4 100 KIRWIN 9550 1.4 2.3 61 1.8 2.3 78 MARQUETTE 8760 1.2 2.3 52 1.6 2.7 59 MIDDLE POWDER 7760 1.5 1.7 88 2.7 3.1 87 OWL CREEK 8975 .5 1.1 45 .9 1.4 64 POWDER RIVER PASS 9480 3.4 1.7 200 4.4 2.4 183 SHELL CREEK 9580 3.8 3.1 123 3.6 2.5 144 SYLVAN LAKE 8420 3.2 2.7 119 4.3 3.4 126 SYLVAN ROAD 7120 1.2 .9 133* 3.1 2.9 107 TIMBER CREEK 7950 .1 1.4 7 .5 1.9 26 YOUNTS PEAK 8350 1.7 1.9 89 2.8 2.5 112 ----- ----- Basin wide percent of average 99 112 SHOSHONE RIVER BLACKWATER 9780 3.4 3.9 87 3.7 3.5 106 EVENING STAR 9200 3.5 3.7 95 4.7 3.8 124 KIRWIN 9550 1.4 2.3 61 1.8 2.3 78 MARQUETTE 8760 1.2 2.3 52 1.6 2.7 59 SYLVAN LAKE 8420 3.2 2.7 119 4.3 3.4 126 SYLVAN ROAD 7120 1.2 .9 133* 3.1 2.9 107 YOUNTS PEAK 8350 1.7 1.9 89 2.8 2.5 112 ----- ----- Basin wide percent of average 88 104 POWDER-TONGUE BEAR TRAP MEADOW 8200 1.0 .8 125 2.8 2.1 133 BIG GOOSE 7990 1.2 1.1 109* 2.8 2.3 122 BONE SPRINGS DIV 9350 4.4 3.2 138 4.6 3.0 153 BURGESS JUNCTION 7880 1.6 2.0 80 3.4 2.6 131 CLOUD PEAK RESERVOIR 9860 2.8 2.0 140 3.4 3.1 110 DOME LAKE 8880 2.7 2.4 113 3.5 3.0 117 GRAVE SPRINGS 8550 1.3 1.5 87 2.4 2.4 100 HANSEN SAWMILL 8360 .6 1.0 60 1.9 2.1 90 MIDDLE POWDER 7760 1.5 1.7 88 2.7 3.1 87 POWDER RIVER PASS 9480 3.4 1.7 200 4.4 2.4 183 SUCKER CREEK 8880 3.3 1.8 183 4.1 2.8 146 TIE CREEK 6870 .4 1.0 40 2.5 2.8 89 ----- ----- Basin wide percent of average 120 121 BELLE FOURCHE BLIND PARK 6890 .6 .9 67 2.7 3.0 90 COLE CANYON 5910 .3 1.1 27 2.5 -M * NORTH RAPID CREEK 6130 .6 .7 86* 2.2 2.8 79 ----- ----- Basin wide percent of average 56 84 UPPER N. PLATTE RIVER COLUMBINE 9160 .6 1.5 40* 3.2 3.1 103 DIVIDE PEAK 8860 4.2 2.3 183 6.9 3.4 203 ELK RIVER 8700 1.0 1.0 100* 4.3 2.8 154 JOE WRIGHT 10120 4.2 3.3 127 1.5 4.2 36 NORTH FRENCH CREEK 10130 4.1 4.0 102 4.7 4.2 112 OLD BATTLE 9920 7.8 4.1 190 9.4 4.6 204 SAGE CREEK BASIN 7850 1.6 1.3 123 5.7 1.9 300 SOUTH BRUSH CREEK 8440 .8 1.1 73* 2.5 3.1 81 TOWER 10500 7.9 5.1 155* 7.1 5.2 137 WEBBER SPRINGS 9250 4.6 2.7 170 6.6 4.0 165 WILLOW CREEK PASS 9540 2.5 1.6 156 2.2 2.5 88 ----- ----- Basin wide percent of average 140 139 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 1.9 2.8 68 2.8 3.2 87 CASPER MTN. 7850 1.5 2.3 65 3.2 3.0 107 DEADMAN HILL 10220 4.1 2.8 146 3.1 3.0 103 DEER PARK 9700 6.6 3.1 213 7.5 3.4 221 LAPRELE CREEK 8375 .9 1.4 64 2.9 2.4 121 RENO HILL 8500 1.2 2.2 55 2.5 3.0 83 ROACH 9700 1.4 1.8 78* 3.0 2.9 103 SAND LAKE 10050 5.2 4.3 121 4.1 3.9 105 SOUTH PASS 9040 4.5 2.1 214 5.6 2.8 200 WINDY PEAK 7900 .2 .9 22 1.9 2.1 90 ----- ----- Basin wide percent of average 116 123 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 1.0 .8 125* 3.9 2.4 162 DIVIDE PEAK 8860 4.2 2.3 183 6.9 3.4 203 OLD BATTLE 9920 7.8 4.1 190 9.4 4.6 204 SANDSTONE RS 8150 1.0 .8 125* 4.8 2.9 166 WHISKEY PARK 8950 3.6 2.5 144* 5.5 3.8 145 ----- ----- Basin wide percent of average 168* 178 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.1 1.7 300 5.4 2.3 235 BLIND BULL SUM 8900 3.6 2.5 144* 3.7 3.0 123 EAST RIM DIVIDE 7930 .8 1.1 73* 2.2 1.8 122 ELKHART PARK G.S. 9400 3.6 1.3 277* 4.5 2.4 188 GROS VENTRE SUMMIT 8750 2.5 1.8 139 2.9 2.3 126 KENDALL R.S. 7740 1.9 1.1 173* 3.5 2.0 175 LOOMIS PARK 8240 2.3 1.5 153* 3.5 2.4 146 NEW FORK LAKE 8340 1.5 .9 167* 2.5 2.0 125 SNIDER BASIN 8060 2.5 1.2 208* 3.5 2.2 159 SPRING CREEK DIVIDE 9000 5.0 2.3 217* 5.6 3.5 160 TRIPLE PEAK 8500 2.6 2.0 130* 4.0 3.0 133 ----- ----- Basin wide percent of average 180* 154 LOWER GREEN RIVER HAMS FORK 7840 1.7 .8 212* 3.8 1.8 211 HEWINTA 9500 .2 1.1 18* 2.9 2.9 100 HICKERSON PARK 9100 .6 .6 100* 3.8 2.0 190 HOLE-IN-ROCK 9150 1.7 .7 243* 3.7 1.9 195 INDIAN CREEK 9425 6.0 2.4 250* 6.1 3.4 179 KELLEY R.S. 8180 4.4 1.5 293* 5.6 2.8 200 STEEL CREEK PARK 10100 3.7 2.1 176 4.1 2.9 141 ----- ----- Basin wide percent of average 199* 169 UPPER BEAR RIVER BUG LAKE 7950 2.6 1.7 153* 5.0 3.0 167 HAYDEN FORK 9100 3.6 1.2 300* 7.0 3.1 226 KELLEY R.S. 8180 4.4 1.5 293* 5.6 2.8 200 LILY LAKE 9050 2.6 1.3 200* 5.1 3.0 170 MONTE CRISTO 8960 6.1 2.2 277* 7.1 3.6 197 SALT RIVER SUMMIT 7600 1.5 .7 214* 4.0 2.5 160 TRIAL LAKE 9960 6.9 2.5 276* 9.0 3.5 257 ----- ----- Basin wide percent of average 250* 199 ----------------------------------------------------------------------------- -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 1971-2000. 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.