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 WEDNESDAY: JANUARY 7 , 2004 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 12.7 9.1 140 13.5 11.3 119 COTTONWOOD CREEK 7600 11.5 10.6 108 12.4 14.5 86 GRANITE CREEK 6770 11.4 8.5 134 12.0 10.3 117 GRASSY LAKE 7265 21.8 16.3 134 21.4 18.8 114 GROS VENTRE SUMMIT 8775 7.2 7.5 96 6.7 6.8 99 LEWIS LAKE DIVIDE 7860 20.7 16.4 126 21.0 18.9 111 PHILLIPS BENCH 8200 16.0 13.8 116 16.4 14.7 112 SALT RIVER SUMMIT 7600 7.8 6.1 128 8.8 9.7 91 SNAKE RIVER STATION 6920 13.9 8.8 158 14.8 11.9 124 SPRING CREEK DIVIDE 9000 12.4 13.4 93 12.0 14.0 86 THUMB DIVIDE 7980 12.7 8.4 151 11.9 9.8 121 TOGWOTEE PASS 9580 12.5 12.7 98 12.7 12.9 98 TWO OCEAN PLATEAU 9360 17.3 14.6 118 15.5 14.5 107 WILLOW CREEK 8450 16.5 15.5 106 17.9 16.7 107 ----- ----- Basin wide percent of average 120 107 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 11.5 12.5 92 11.2 10.8 104 BLACK BEAR 8170 25.6 19.0 135 24.0 19.2 125 CANYON 8090 7.1 6.7 106 8.0 8.4 95 FISHER CREEK 9100 18.2 18.0 101 -M 18.6 * MADISON PLATEAU 7750 15.6 12.3 127 15.1 13.4 113 NORTHEAST ENTRANCE 7350 4.1 5.6 73 6.5 6.9 94 PARKER PEAK 9400 11.1 11.5 97 8.6 8.8 98 SYLVAN LAKE 8420 9.7 11.4 85 12.0 11.7 103 THUMB DIVIDE 7980 12.7 8.4 151 11.9 9.8 121 TWO OCEAN PLATEAU 9360 17.3 14.6 118 15.5 14.5 107 WHISKEY CREEK 6800 11.3 8.2 138 12.8 10.7 120 WHITE MILL 8700 10.3 12.3 84 12.0 13.9 86 WOLVERINE 7650 5.8 6.4 91 6.0 7.4 81 ----- ----- Basin wide percent of average 109 106 WIND RIVER BURROUGHS CREEK 8750 7.3 7.5 97 8.4 8.6 98 COLD SPRINGS 9630 3.7 4.9 76 3.8 6.0 63 DEER PARK 9700 10.4 7.7 135 12.1 11.6 104 HOBBS PARK 10100 7.0 8.1 86 6.2 6.7 93 LITTLE WARM 9370 5.0 5.9 85 5.8 7.2 81 SOUTH PASS 9040 10.6 8.8 120 10.5 9.8 107 ST. LAWRENCE ALT 8620 2.9 4.0 72 3.5 4.8 73 TOGWOTEE PASS 9580 12.5 12.7 98 12.7 12.9 98 TOWNSEND CREEK 8700 5.0 4.7 106 5.7 6.3 90 ----- ----- Basin wide percent of average 100 93 BIGHORN BASIN BALD MTN. 9380 8.8 10.6 83 7.9 9.1 87 BEAR TRAP MEADOW 8200 3.9 2.8 139 3.8 4.7 81 BLACKWATER 9780 14.1 12.9 109 12.5 11.5 109 BONE SPRINGS DIV 9350 7.5 8.4 89 7.9 7.7 103 EVENING STAR 9200 12.4 15.0 83 15.2 13.9 109 GRAVE SPRINGS 8550 5.5 4.4 125 4.5 5.2 87 KIRWIN 9550 3.9 6.3 62 4.9 6.2 79 MARQUETTE 8760 4.3 5.2 83 4.7 5.5 85 MIDDLE POWDER 7760 6.3 5.8 109 5.2 7.1 73 OWL CREEK 8975 2.2 2.8 79 2.4 3.1 77 POWDER RIVER PASS 9480 5.9 5.7 104 6.5 6.4 102 SHELL CREEK 9580 7.9 7.9 100 7.8 7.2 108 SYLVAN LAKE 8420 9.7 11.4 85 12.0 11.7 103 SYLVAN ROAD 7120 7.3 6.8 107 9.6 10.7 90 TIMBER CREEK 7950 1.9 3.1 61 2.8 3.9 72 YOUNTS PEAK 8350 5.7 8.7 66 8.1 8.8 92 ----- ----- Basin wide percent of average 91 94 SHOSHONE RIVER BLACKWATER 9780 14.1 12.9 109 12.5 11.5 109 EVENING STAR 9200 12.4 15.0 83 15.2 13.9 109 KIRWIN 9550 3.9 6.3 62 4.9 6.2 79 MARQUETTE 8760 4.3 5.2 83 4.7 5.5 85 SYLVAN LAKE 8420 9.7 11.4 85 12.0 11.7 103 SYLVAN ROAD 7120 7.3 6.8 107 9.6 10.7 90 YOUNTS PEAK 8350 5.7 8.7 66 8.1 8.8 92 ----- ----- Basin wide percent of average 87 98 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.9 2.8 139 3.8 4.7 81 BIG GOOSE 7990 4.4 4.7 94 4.9 4.7 104 BONE SPRINGS DIV 9350 7.5 8.4 89 7.9 7.7 103 BURGESS JUNCTION 7880 5.3 5.9 90 5.7 6.4 89 CLOUD PEAK RESERVOIR 9860 7.3 6.2 118 6.5 6.7 97 DOME LAKE 8880 -M 6.5 * -M 7.2 * GRAVE SPRINGS 8550 5.5 4.4 125 4.5 5.2 87 HANSEN SAWMILL 8360 3.9 3.5 111 3.8 4.5 84 MIDDLE POWDER 7760 6.3 5.8 109 5.2 7.1 73 POWDER RIVER PASS 9480 5.9 5.7 104 6.5 6.4 102 SUCKER CREEK 8880 5.3 5.6 95 6.4 7.1 90 TIE CREEK 6870 3.3 2.9 114 4.6 5.4 85 ----- ----- Basin wide percent of average 105 91 BELLE FOURCHE BLIND PARK 6890 2.8 3.9 72 4.9 6.5 75 COLE CANYON 5910 2.4 3.2 75 3.6 -M * NORTH RAPID CREEK 6130 3.2 3.6 89 3.9 5.5 71 ----- ----- Basin wide percent of average 79 73 UPPER N. PLATTE RIVER COLUMBINE 9400 12.5 11.2 112 14.2 12.5 114 DIVIDE PEAK 8800 11.1 10.0 111 11.7 10.7 109 ELK RIVER 8700 10.8 8.2 132 12.2 9.6 127 JOE WRIGHT 10120 8.2 10.5 78 10.4 12.7 82 NORTH FRENCH CREEK 10100 12.4 14.4 86 11.6 12.9 90 OLD BATTLE 10000 18.6 15.6 119 19.2 17.2 112 SAGE CREEK BASIN 7850 8.1 5.8 140 9.1 6.2 147 SOUTH BRUSH CREEK 8400 5.2 5.5 95 5.8 8.4 69 TOWER 10500 22.2 22.4 99 23.4 19.4 121 WEBBER SPRINGS 9200 14.4 12.4 116 15.8 14.0 113 WILLOW CREEK PASS 9540 5.4 5.9 92 5.2 6.8 76 ----- ----- Basin wide percent of average 106 106 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 9.1 11.7 78 8.6 10.9 79 CASPER MTN. 7900 5.4 7.3 74 4.8 7.5 64 DEADMAN HILL 10220 6.4 8.2 78 8.8 8.4 105 DEER PARK 9700 10.4 7.7 135 12.1 11.6 104 LAPRELE CREEK 8320 5.2 5.7 91 5.6 6.6 85 RENO HILL 8400 6.8 7.0 97 6.3 7.6 83 ROACH 9700 9.5 8.0 119 10.3 9.1 113 SAND LAKE 10080 12.5 15.9 79 12.1 12.4 98 SOUTH PASS 9040 10.6 8.8 120 10.5 9.8 107 WINDY PEAK 7840 2.9 3.7 78 4.0 5.8 69 ----- ----- Basin wide percent of average 94 93 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.9 4.8 185 9.1 7.6 120 DIVIDE PEAK 8800 11.1 10.0 111 11.7 10.7 109 OLD BATTLE 10000 18.6 15.6 119 19.2 17.2 112 SANDSTONE RS 8150 6.6 6.2 106 11.9 9.6 124 WHISKEY PARK 8950 14.8 12.5 118 14.2 14.4 99 ----- ----- Basin wide percent of average 122 111 UPPER GREEN RIVER BIG SANDY OPENING 9100 8.3 7.4 112 7.9 7.1 111 BLIND BULL SUM 8650 13.6 14.3 95 11.1 11.9 93 EAST RIM DIVIDE 7930 6.6 6.4 103 6.8 6.2 110 ELKHART PARK G.S. 9400 7.4 6.8 109 7.9 7.1 111 GROS VENTRE SUMMIT 8775 7.2 7.5 96 6.7 6.8 99 KENDALL R.S. 7740 9.8 7.3 134 8.6 7.4 116 LOOMIS PARK 8240 10.1 8.6 117 10.3 9.0 114 NEW FORK LAKE 8340 6.4 5.8 110 5.9 6.3 94 SNIDER BASIN 8250 7.9 7.5 105 7.7 8.5 91 SPRING CREEK DIVIDE 9000 12.4 13.4 93 12.0 14.0 86 TRIPLE PEAK 8500 12.3 12.8 96 13.1 12.2 107 ----- ----- Basin wide percent of average 104 102 LOWER GREEN RIVER HAMS FORK 7840 6.4 6.1 105 5.9 6.3 94 HEWINTA 9500 5.1 4.6 111 6.6 7.4 89 HICKERSON PARK 9150 3.0 3.2 94 5.4 4.4 123 HOLE-IN-ROCK 9150 3.8 3.0 127 4.4 4.1 107 INDIAN CREEK 9425 13.3 13.5 99 11.7 13.1 89 KELLEY R.S. 8180 9.0 8.2 110 9.8 10.8 91 STEEL CREEK PARK 10100 6.5 7.2 90 7.1 8.1 88 ----- ----- Basin wide percent of average 103 94 UPPER BEAR RIVER BUG LAKE 7950 11.0 9.2 120 11.1 9.9 112 HAYDEN FORK 9400 6.6 7.0 94 -M 10.7 * KELLEY R.S. 8180 9.0 8.2 110 9.8 10.8 91 LILY LAKE 9050 6.0 6.0 100 7.9 9.2 86 MONTE CRISTO 8960 14.4 12.4 116 14.6 13.0 112 SALT RIVER SUMMIT 7600 7.8 6.1 128 8.8 9.7 91 TRIAL LAKE 9960 12.3 11.5 107 13.7 12.1 113 ----- ----- Basin wide percent of average 111 102 ----------------------------------------------------------------------------- -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.