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 MONDAY: JANUARY 2 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 10.0 8.3 120 13.9 10.5 132 COTTONWOOD CREEK 7600 12.3 9.8 126 15.4 13.7 112 GRANITE CREEK 6770 10.3 7.8 132 12.9 9.6 134 GRASSY LAKE 7265 17.0 15.0 113 21.8 17.5 125 GROS VENTRE SUMMIT 8750 6.7 7.0 96 7.6 6.5 117 LEWIS LAKE DIVIDE 7850 19.3 15.1 128 21.6 17.7 122 PHILLIPS BENCH 8200 15.8 12.8 123 17.1 13.7 125 SALT RIVER SUMMIT 7600 7.6 5.5 138 9.7 9.1 107 SNAKE RIVER STATION 6920 9.5 8.0 119 14.4 11.1 130 SPRING CREEK DIVIDE 9000 15.2 12.7 120 14.8 13.2 112 THUMB DIVIDE 7980 9.0 7.7 117 10.7 9.2 116 TOGWOTEE PASS 9580 13.5 11.9 113 14.3 12.2 117 TWO OCEAN PLATEAU 9240 19.4 13.7 142 15.6 13.7 114 WILLOW CREEK 8450 15.7 14.5 108 20.3 15.7 129 ----- ----- Basin wide percent of average 121 121 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 12.5 11.7 107 10.5 10.1 104 BLACK BEAR 8170 24.8 17.5 142 22.2 17.9 124 CANYON 8090 7.4 6.2 119 9.7 7.9 123 FISHER CREEK 9100 21.4 16.6 129 20.9 17.3 121 MADISON PLATEAU 7750 12.7 11.4 111 16.0 12.6 127 NORTHEAST ENTRANCE 7350 4.7 5.1 92 7.0 6.5 108 PARKER PEAK 9400 10.4 10.7 97 10.0 8.3 120 SYLVAN LAKE 8420 9.0 10.7 84 12.7 11.1 114 THUMB DIVIDE 7980 9.0 7.7 117 10.7 9.2 116 TWO OCEAN PLATEAU 9240 19.4 13.7 142 15.6 13.7 114 WHISKEY CREEK 6800 7.0 7.6 92 12.2 10.0 122 WHITE MILL 8700 13.3 11.3 118 13.0 13.0 100 WOLVERINE 7650 5.1 5.9 86 4.7 7.1 66 ----- ----- Basin wide percent of average 115 114 WIND RIVER BURROUGHS CREEK 8750 -M 6.8 * 9.3 8.1 115 COLD SPRINGS 9630 -M 4.6 * -M 5.7 * DEER PARK 9700 -M 6.9 * -M 11.0 * HOBBS PARK 10100 4.7 7.7 61 5.8 6.5 89 LITTLE WARM 9370 4.5 5.4 83 6.6 6.8 97 SOUTH PASS 9040 8.2 8.3 99 9.4 9.3 101 ST. LAWRENCE ALT 8620 1.0 3.8 26 3.2 4.6 70 TOGWOTEE PASS 9580 13.5 11.9 113 14.3 12.2 117 TOWNSEND CREEK 8700 2.6 4.4 59 5.1 6.0 85 ----- ----- Basin wide percent of average 83 100 BIGHORN BASIN BALD MTN. 9380 8.3 9.8 85 6.5 8.6 76 BEAR TRAP MEADOW 8200 2.8 2.6 108 4.7 4.5 104 BLACKWATER 9780 11.5 12.2 94 10.1 10.9 93 BONE SPRINGS DIV 9350 7.2 7.9 91 7.2 7.4 97 EVENING STAR 9200 12.9 13.9 93 15.0 13.1 115 GRAVE SPRINGS 8550 4.5 4.1 110 6.8 4.9 139 KIRWIN 9550 6.1 6.0 102 6.5 6.0 108 MARQUETTE 8760 1.0 5.0 20 3.9 5.3 74 MIDDLE POWDER 7760 6.6 5.6 118 6.2 6.8 91 OWL CREEK 8975 1.1 2.7 41 3.5 2.9 121 POWDER RIVER PASS 9480 4.9 5.4 91 6.5 6.1 107 SHELL CREEK 9580 6.6 7.4 89 6.4 6.8 94 SYLVAN LAKE 8420 9.0 10.7 84 12.7 11.1 114 SYLVAN ROAD 7120 5.2 6.3 83 9.6 10.2 94 TIMBER CREEK 7950 .9 3.0 30 3.2 3.7 86 YOUNTS PEAK 8350 -M 8.0 * 10.6 8.3 128 ----- ----- Basin wide percent of average 86 102 SHOSHONE RIVER BLACKWATER 9780 11.5 12.2 94 10.1 10.9 93 EVENING STAR 9200 12.9 13.9 93 15.0 13.1 115 KIRWIN 9550 6.1 6.0 102 6.5 6.0 108 MARQUETTE 8760 1.0 5.0 20 3.9 5.3 74 SYLVAN LAKE 8420 9.0 10.7 84 12.7 11.1 114 SYLVAN ROAD 7120 5.2 6.3 83 9.6 10.2 94 YOUNTS PEAK 8350 -M 8.0 * 10.6 8.3 128 ----- ----- Basin wide percent of average 84 105 POWDER-TONGUE BEAR TRAP MEADOW 8200 2.8 2.6 108 4.7 4.5 104 BIG GOOSE 7990 3.1 4.5 69 5.2 4.5 116 BONE SPRINGS DIV 9350 7.2 7.9 91 7.2 7.4 97 BURGESS JUNCTION 7880 5.4 5.6 96 6.8 6.2 110 CLOUD PEAK RESERVOIR 9860 6.2 5.8 107 6.4 6.5 98 DOME LAKE 8880 5.6 6.2 90 6.4 7.0 91 GRAVE SPRINGS 8550 4.5 4.1 110 6.8 4.9 139 HANSEN SAWMILL 8360 1.8 3.3 55 3.6 4.3 84 MIDDLE POWDER 7760 6.6 5.6 118 6.2 6.8 91 POWDER RIVER PASS 9480 4.9 5.4 91 6.5 6.1 107 SUCKER CREEK 8880 5.6 5.3 106 8.1 6.8 119 TIE CREEK 6870 2.9 2.6 112 6.6 5.2 127 ----- ----- Basin wide percent of average 96 106 BELLE FOURCHE BLIND PARK 6890 4.4 3.6 122 6.3 6.3 100 COLE CANYON 5910 3.1 3.0 103 4.9 -M * NORTH RAPID CREEK 6130 3.7 3.3 112 5.1 5.3 96 ----- ----- Basin wide percent of average 113 98 UPPER N. PLATTE RIVER COLUMBINE 9160 16.5 10.2 162 19.6 11.7 168 DIVIDE PEAK 8860 9.6 9.3 103 12.8 10.1 127 ELK RIVER 8700 9.7 7.4 131 12.2 9.0 136 JOE WRIGHT 10120 13.1 9.8 134 16.3 12.0 136 NORTH FRENCH CREEK 10130 19.2 13.6 141 19.7 12.1 163 OLD BATTLE 9920 20.5 14.8 139 24.1 16.2 149 SAGE CREEK BASIN 7850 6.0 5.4 111 8.7 5.9 147 SOUTH BRUSH CREEK 8440 7.5 5.2 144 11.0 7.9 139 TOWER 10500 28.2 20.9 135 28.1 18.1 155 WEBBER SPRINGS 9250 -M 11.6 * -M 13.2 * WILLOW CREEK PASS 9540 6.5 5.7 114 8.0 6.5 123 ----- ----- Basin wide percent of average 134 147 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 12.8 11.0 116 10.5 10.2 103 CASPER MTN. 7850 6.0 7.0 86 8.7 7.3 119 DEADMAN HILL 10220 8.7 7.7 113 10.2 8.0 127 DEER PARK 9700 -M 6.9 * -M 11.0 * LAPRELE CREEK 8375 3.9 5.4 72 4.8 6.3 76 RENO HILL 8500 6.7 6.7 100 8.3 7.3 114 ROACH 9700 8.6 7.4 116 11.6 8.6 135 SAND LAKE 10050 18.1 15.1 120 17.9 11.7 153 SOUTH PASS 9040 8.2 8.3 99 9.4 9.3 101 WINDY PEAK 7900 2.8 3.5 80 4.6 5.5 84 ----- ----- Basin wide percent of average 105 116 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 7.2 4.2 171 10.0 7.2 139 DIVIDE PEAK 8860 9.6 9.3 103 12.8 10.1 127 OLD BATTLE 9920 20.5 14.8 139 24.1 16.2 149 SANDSTONE RS 8150 8.0 5.4 148 13.2 9.0 147 WHISKEY PARK 8950 18.1 11.3 160 20.9 13.4 156 ----- ----- Basin wide percent of average 141 145 UPPER GREEN RIVER BIG SANDY OPENING 9080 7.4 7.0 106 8.1 6.7 121 BLIND BULL SUM 8900 13.5 13.4 101 11.4 11.2 102 EAST RIM DIVIDE 7930 5.3 6.0 88 6.1 5.9 103 ELKHART PARK G.S. 9400 7.0 6.4 109 7.9 6.8 116 GROS VENTRE SUMMIT 8750 6.7 7.0 96 7.6 6.5 117 KENDALL R.S. 7740 7.2 6.8 106 8.4 7.0 120 LOOMIS PARK 8240 9.5 8.1 117 10.3 8.4 123 NEW FORK LAKE 8340 5.2 5.5 95 5.5 6.0 92 SNIDER BASIN 8060 8.8 7.0 126 9.0 8.0 112 SPRING CREEK DIVIDE 9000 15.2 12.7 120 14.8 13.2 112 TRIPLE PEAK 8500 14.3 12.1 118 15.4 11.4 135 ----- ----- Basin wide percent of average 109 115 LOWER GREEN RIVER HAMS FORK 7840 6.8 5.6 121 6.9 5.9 117 HEWINTA 9500 5.2 4.2 124 7.8 7.1 110 HICKERSON PARK 9100 1.4 2.9 48 3.6 4.2 86 HOLE-IN-ROCK 9150 4.0 2.7 148 4.2 3.9 108 INDIAN CREEK 9425 14.8 12.7 117 13.4 12.3 109 KELLEY R.S. 8180 -M 7.7 * -M 10.2 * STEEL CREEK PARK 10100 7.4 6.8 109 8.9 7.7 116 ----- ----- Basin wide percent of average 113 109 UPPER BEAR RIVER BUG LAKE 7950 10.6 8.5 125 10.7 9.3 115 HAYDEN FORK 9100 10.1 6.4 158 12.8 10.1 127 KELLEY R.S. 8180 -M 7.7 * -M 10.2 * LILY LAKE 9050 6.9 5.6 123 8.4 8.7 97 MONTE CRISTO 8960 14.3 11.2 128 15.1 12.2 124 SALT RIVER SUMMIT 7600 7.6 5.5 138 9.7 9.1 107 TRIAL LAKE 9960 15.9 10.7 149 16.2 11.3 143 ----- ----- Basin wide percent of average 137 120 ----------------------------------------------------------------------------- -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.