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: DECEMBER 29 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 8.1 7.8 104 11.9 10.0 119 COTTONWOOD CREEK 7600 9.8 9.2 107 13.0 13.0 100 GRANITE CREEK 6770 8.2 7.2 114 10.9 9.1 120 GRASSY LAKE 7265 14.7 14.0 105 19.7 16.6 119 GROS VENTRE SUMMIT 8750 6.1 6.6 92 6.9 6.2 111 LEWIS LAKE DIVIDE 7850 15.8 14.1 112 19.2 16.8 114 PHILLIPS BENCH 8200 12.7 12.0 106 14.4 12.9 112 SALT RIVER SUMMIT 7600 5.9 5.1 116 8.0 8.6 93 SNAKE RIVER STATION 6920 8.0 7.5 107 13.0 10.6 123 SPRING CREEK DIVIDE 9000 12.1 12.0 101 12.2 12.4 98 THUMB DIVIDE 7980 7.8 7.2 108 9.7 8.7 111 TOGWOTEE PASS 9580 12.3 11.2 110 13.1 11.5 114 TWO OCEAN PLATEAU 9240 17.6 13.0 135 14.6 13.0 112 WILLOW CREEK 8450 12.7 13.7 93 17.4 14.9 117 ----- ----- Basin wide percent of average 108 112 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 11.7 11.1 105 9.7 9.6 101 BLACK BEAR 8170 21.4 16.5 130 21.6 16.9 128 CANYON 8090 6.8 5.8 117 9.1 7.5 121 FISHER CREEK 9100 19.8 15.7 126 19.3 16.4 118 MADISON PLATEAU 7750 11.0 10.7 103 14.4 11.9 121 NORTHEAST ENTRANCE 7350 4.7 4.8 98 6.7 6.2 108 PARKER PEAK 9400 9.9 10.2 97 9.5 7.9 120 SYLVAN LAKE 8420 8.4 10.1 83 11.8 10.6 111 THUMB DIVIDE 7980 7.8 7.2 108 9.7 8.7 111 TWO OCEAN PLATEAU 9240 17.6 13.0 135 14.6 13.0 112 WHISKEY CREEK 6800 5.8 7.2 81 10.6 9.5 112 WHITE MILL 8700 11.7 10.7 109 11.7 12.3 95 WOLVERINE 7650 4.9 5.5 89 4.7 6.8 69 ----- ----- Basin wide percent of average 110 112 WIND RIVER BURROUGHS CREEK 8750 -M 6.4 * 9.0 7.7 117 COLD SPRINGS 9630 2.2 4.5 49 4.5 5.6 80 DEER PARK 9700 6.6 6.5 102 8.4 10.5 80 HOBBS PARK 10100 4.1 7.4 55 5.3 6.2 85 LITTLE WARM 9370 4.3 5.1 84 6.3 6.5 97 SOUTH PASS 9040 6.2 8.0 78 7.4 8.9 83 ST. LAWRENCE ALT 8620 1.0 3.7 27 3.1 4.5 69 TOGWOTEE PASS 9580 12.3 11.2 110 13.1 11.5 114 TOWNSEND CREEK 8700 2.5 4.3 58 5.1 5.9 86 ----- ----- Basin wide percent of average 77 92 BIGHORN BASIN BALD MTN. 9380 7.7 9.3 83 6.4 8.2 78 BEAR TRAP MEADOW 8200 2.7 2.5 108 4.5 4.4 102 BLACKWATER 9780 10.9 11.6 94 9.5 10.5 90 BONE SPRINGS DIV 9350 7.0 7.6 92 7.2 7.1 101 EVENING STAR 9200 11.9 13.2 90 13.9 12.5 111 GRAVE SPRINGS 8550 4.0 3.8 105 6.3 4.8 131 KIRWIN 9550 6.0 5.8 103 6.5 5.7 114 MARQUETTE 8760 1.2 4.9 24 4.1 5.2 79 MIDDLE POWDER 7760 5.8 5.3 109 6.1 6.6 92 OWL CREEK 8975 1.1 2.6 42 3.7 2.8 132 POWDER RIVER PASS 9480 4.6 5.1 90 6.5 5.8 112 SHELL CREEK 9580 6.5 7.1 92 6.2 6.5 95 SYLVAN LAKE 8420 8.4 10.1 83 11.8 10.6 111 SYLVAN ROAD 7120 4.8 6.0 80 9.2 9.8 94 TIMBER CREEK 7950 1.1 2.9 38 3.1 3.6 86 YOUNTS PEAK 8350 -M 7.6 * 10.1 7.9 128 ----- ----- Basin wide percent of average 86 103 SHOSHONE RIVER BLACKWATER 9780 10.9 11.6 94 9.5 10.5 90 EVENING STAR 9200 11.9 13.2 90 13.9 12.5 111 KIRWIN 9550 6.0 5.8 103 6.5 5.7 114 MARQUETTE 8760 1.2 4.9 24 4.1 5.2 79 SYLVAN LAKE 8420 8.4 10.1 83 11.8 10.6 111 SYLVAN ROAD 7120 4.8 6.0 80 9.2 9.8 94 YOUNTS PEAK 8350 -M 7.6 * 10.1 7.9 128 ----- ----- Basin wide percent of average 84 105 POWDER-TONGUE BEAR TRAP MEADOW 8200 2.7 2.5 108 4.5 4.4 102 BIG GOOSE 7990 3.0 4.2 71 5.2 4.4 118 BONE SPRINGS DIV 9350 7.0 7.6 92 7.2 7.1 101 BURGESS JUNCTION 7880 5.2 5.3 98 6.7 5.9 114 CLOUD PEAK RESERVOIR 9860 5.9 5.5 107 6.5 6.3 103 DOME LAKE 8880 5.6 5.9 95 6.3 6.7 94 GRAVE SPRINGS 8550 4.0 3.8 105 6.3 4.8 131 HANSEN SAWMILL 8360 1.9 3.2 59 3.7 4.2 88 MIDDLE POWDER 7760 5.8 5.3 109 6.1 6.6 92 POWDER RIVER PASS 9480 4.6 5.1 90 6.5 5.8 112 SUCKER CREEK 8880 5.2 5.0 104 7.8 6.5 120 TIE CREEK 6870 2.9 2.3 126 6.3 5.0 126 ----- ----- Basin wide percent of average 97 108 BELLE FOURCHE BLIND PARK 6890 3.6 3.3 109 5.5 6.0 92 COLE CANYON 5910 2.6 2.9 90 4.6 -M * NORTH RAPID CREEK 6130 3.3 3.1 106 4.5 5.2 87 ----- ----- Basin wide percent of average 102 89 UPPER N. PLATTE RIVER COLUMBINE 9160 14.6 9.5 154 18.0 11.0 164 DIVIDE PEAK 8860 8.1 8.8 92 11.5 9.6 120 ELK RIVER 8700 8.2 6.8 121 10.8 8.5 127 JOE WRIGHT 10120 12.1 9.3 130 15.2 11.5 132 NORTH FRENCH CREEK 10130 16.4 12.9 127 17.2 11.6 148 OLD BATTLE 9920 16.6 14.1 118 20.6 15.4 134 SAGE CREEK BASIN 7850 4.8 5.1 94 7.3 5.6 130 SOUTH BRUSH CREEK 8440 6.5 4.9 133 10.1 7.5 135 TOWER 10500 24.7 19.8 125 26.3 17.2 153 WEBBER SPRINGS 9250 -M 11.0 * -M 12.5 * WILLOW CREEK PASS 9540 6.2 5.4 115 7.8 6.2 126 ----- ----- Basin wide percent of average 122 139 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 11.2 10.3 109 8.9 9.7 92 CASPER MTN. 7850 5.5 6.7 82 8.0 7.0 114 DEADMAN HILL 10220 8.3 7.4 112 9.5 7.6 125 DEER PARK 9700 6.6 6.5 102 8.4 10.5 80 LAPRELE CREEK 8375 3.0 5.1 59 4.3 6.0 72 RENO HILL 8500 5.9 6.4 92 7.5 7.0 107 ROACH 9700 7.5 7.0 107 10.5 8.2 128 SAND LAKE 10050 15.7 14.4 109 15.8 11.2 141 SOUTH PASS 9040 6.2 8.0 78 7.4 8.9 83 WINDY PEAK 7900 2.2 3.4 65 4.1 5.3 77 ----- ----- Basin wide percent of average 96 104 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.0 3.8 158 9.0 6.8 132 DIVIDE PEAK 8860 8.1 8.8 92 11.5 9.6 120 OLD BATTLE 9920 16.6 14.1 118 20.6 15.4 134 SANDSTONE RS 8150 6.3 5.0 126 11.5 8.6 134 WHISKEY PARK 8950 14.1 10.6 133 17.0 12.7 134 ----- ----- Basin wide percent of average 121 131 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.4 6.6 82 6.2 6.4 97 BLIND BULL SUM 8900 11.1 12.6 88 9.5 10.6 90 EAST RIM DIVIDE 7930 4.6 5.7 81 5.3 5.6 95 ELKHART PARK G.S. 9400 5.9 6.0 98 6.8 6.5 105 GROS VENTRE SUMMIT 8750 6.1 6.6 92 6.9 6.2 111 KENDALL R.S. 7740 6.4 6.4 100 7.4 6.6 112 LOOMIS PARK 8240 8.0 7.7 104 8.8 8.0 110 NEW FORK LAKE 8340 4.7 5.2 90 5.1 5.7 89 SNIDER BASIN 8060 7.1 6.6 108 7.2 7.6 95 SPRING CREEK DIVIDE 9000 12.1 12.0 101 12.2 12.4 98 TRIPLE PEAK 8500 11.6 11.4 102 13.1 10.7 122 ----- ----- Basin wide percent of average 96 103 LOWER GREEN RIVER HAMS FORK 7840 5.1 5.2 98 5.5 5.6 98 HEWINTA 9500 4.9 3.9 126 7.3 6.8 107 HICKERSON PARK 9100 1.3 2.8 46 3.5 4.1 85 HOLE-IN-ROCK 9150 3.7 2.6 142 4.1 3.8 108 INDIAN CREEK 9425 11.6 12.0 97 10.8 11.7 92 KELLEY R.S. 8180 -M 7.3 * -M 9.7 * STEEL CREEK PARK 10100 6.6 6.4 103 8.0 7.4 108 ----- ----- Basin wide percent of average 101 99 UPPER BEAR RIVER BUG LAKE 7950 8.2 7.9 104 9.0 8.9 101 HAYDEN FORK 9100 8.0 6.0 133 10.7 9.6 111 KELLEY R.S. 8180 -M 7.3 * -M 9.7 * LILY LAKE 9050 5.9 5.2 113 7.3 8.3 88 MONTE CRISTO 8960 11.6 10.4 112 12.6 11.6 109 SALT RIVER SUMMIT 7600 5.9 5.1 116 8.0 8.6 93 TRIAL LAKE 9960 11.9 10.0 119 12.3 10.8 114 ----- ----- Basin wide percent of average 115 104 ----------------------------------------------------------------------------- -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.