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: JANUARY 10 , 2004 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 13.0 9.6 135 13.9 11.7 119 COTTONWOOD CREEK 7600 12.0 11.1 108 12.9 15.0 86 GRANITE CREEK 6770 11.7 9.0 130 12.5 10.7 117 GRASSY LAKE 7265 22.7 17.1 133 22.5 19.5 115 GROS VENTRE SUMMIT 8775 7.3 7.7 95 6.7 7.1 94 LEWIS LAKE DIVIDE 7860 21.4 17.2 124 21.9 19.6 112 PHILLIPS BENCH 8200 16.4 14.3 115 16.7 15.2 110 SALT RIVER SUMMIT 7600 8.3 6.5 128 9.1 10.0 91 SNAKE RIVER STATION 6920 -M 9.2 * 14.8 12.3 120 SPRING CREEK DIVIDE 9000 12.9 13.9 93 12.5 14.5 86 THUMB DIVIDE 7980 12.9 8.8 147 12.1 10.1 120 TOGWOTEE PASS 9580 13.0 13.2 98 13.1 13.4 98 TWO OCEAN PLATEAU 9360 17.6 15.1 117 15.8 15.0 105 WILLOW CREEK 8450 16.8 16.0 105 18.3 17.3 106 ----- ----- Basin wide percent of average 117 106 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 11.9 13.0 92 11.9 11.2 106 BLACK BEAR 8170 -M 19.9 * -M 20.1 * CANYON 8090 7.4 7.0 106 8.4 8.7 97 FISHER CREEK 9100 18.6 18.8 99 18.8 19.3 97 MADISON PLATEAU 7750 15.9 12.8 124 15.7 13.9 113 NORTHEAST ENTRANCE 7350 4.2 5.9 71 6.8 7.1 96 PARKER PEAK 9400 11.2 11.9 94 9.1 9.0 101 SYLVAN LAKE 8420 10.1 11.9 85 12.4 12.1 102 THUMB DIVIDE 7980 12.9 8.8 147 12.1 10.1 120 TWO OCEAN PLATEAU 9360 17.6 15.1 117 15.8 15.0 105 WHISKEY CREEK 6800 11.7 8.6 136 13.4 11.0 122 WHITE MILL 8700 10.6 12.8 83 12.5 14.4 87 WOLVERINE 7650 6.0 6.7 90 6.2 7.6 82 ----- ----- Basin wide percent of average 104 103 WIND RIVER BURROUGHS CREEK 8750 7.5 7.9 95 8.6 9.0 96 COLD SPRINGS 9630 3.7 5.0 74 3.8 6.1 62 DEER PARK 9700 10.5 8.2 128 12.3 11.9 103 HOBBS PARK 10100 7.0 8.4 83 6.3 6.9 91 LITTLE WARM 9370 5.0 6.1 82 6.0 7.4 81 SOUTH PASS 9040 10.7 9.2 116 10.7 10.1 106 ST. LAWRENCE ALT 8620 2.9 4.1 71 3.4 4.9 69 TOGWOTEE PASS 9580 13.0 13.2 98 13.1 13.4 98 TOWNSEND CREEK 8700 5.0 4.8 104 5.7 6.4 89 ----- ----- Basin wide percent of average 98 92 BIGHORN BASIN BALD MTN. 9380 9.2 11.0 84 8.3 9.5 87 BEAR TRAP MEADOW 8200 4.2 2.9 145 4.0 4.8 83 BLACKWATER 9780 14.3 13.3 108 12.7 11.8 108 BONE SPRINGS DIV 9350 7.8 8.8 89 8.4 8.0 105 EVENING STAR 9200 13.0 15.7 83 15.9 14.3 111 GRAVE SPRINGS 8550 6.0 4.6 130 5.0 5.3 94 KIRWIN 9550 4.0 6.5 62 5.0 6.4 78 MARQUETTE 8760 4.5 5.3 85 4.9 5.6 88 MIDDLE POWDER 7760 6.6 6.0 110 5.3 7.2 74 OWL CREEK 8975 2.3 2.9 79 2.4 3.1 77 POWDER RIVER PASS 9480 6.3 5.9 107 7.0 6.7 104 SHELL CREEK 9580 8.4 8.1 104 8.0 7.5 107 SYLVAN LAKE 8420 10.1 11.9 85 12.4 12.1 102 SYLVAN ROAD 7120 7.5 7.1 106 9.9 11.0 90 TIMBER CREEK 7950 2.0 3.2 62 2.7 3.9 69 YOUNTS PEAK 8350 5.7 9.1 63 8.3 9.1 91 ----- ----- Basin wide percent of average 91 95 SHOSHONE RIVER BLACKWATER 9780 14.3 13.3 108 12.7 11.8 108 EVENING STAR 9200 13.0 15.7 83 15.9 14.3 111 KIRWIN 9550 4.0 6.5 62 5.0 6.4 78 MARQUETTE 8760 4.5 5.3 85 4.9 5.6 88 SYLVAN LAKE 8420 10.1 11.9 85 12.4 12.1 102 SYLVAN ROAD 7120 7.5 7.1 106 9.9 11.0 90 YOUNTS PEAK 8350 5.7 9.1 63 8.3 9.1 91 ----- ----- Basin wide percent of average 86 98 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.2 2.9 145 4.0 4.8 83 BIG GOOSE 7990 4.5 4.9 92 5.0 4.8 104 BONE SPRINGS DIV 9350 7.8 8.8 89 8.4 8.0 105 BURGESS JUNCTION 7880 5.4 6.1 89 5.7 6.6 86 CLOUD PEAK RESERVOIR 9860 7.4 6.5 114 6.6 6.9 96 DOME LAKE 8880 -M 6.7 * -M 7.4 * GRAVE SPRINGS 8550 6.0 4.6 130 5.0 5.3 94 HANSEN SAWMILL 8360 4.1 3.6 114 3.9 4.6 85 MIDDLE POWDER 7760 6.6 6.0 110 5.3 7.2 74 POWDER RIVER PASS 9480 6.3 5.9 107 7.0 6.7 104 SUCKER CREEK 8880 5.6 5.8 97 6.9 7.3 95 TIE CREEK 6870 3.4 3.1 110 4.7 5.6 84 ----- ----- Basin wide percent of average 105 92 BELLE FOURCHE BLIND PARK 6890 3.3 4.1 80 5.4 6.7 81 COLE CANYON 5910 2.9 3.3 88 3.8 -M * NORTH RAPID CREEK 6130 3.1 3.8 82 4.3 5.6 77 ----- ----- Basin wide percent of average 83 79 UPPER N. PLATTE RIVER COLUMBINE 9400 13.0 11.8 110 14.7 13.0 113 DIVIDE PEAK 8800 11.4 10.4 110 12.0 11.1 108 ELK RIVER 8700 11.3 8.7 130 12.6 10.0 126 JOE WRIGHT 10120 8.1 10.9 74 10.3 13.1 79 NORTH FRENCH CREEK 10100 12.6 14.9 85 11.8 13.3 89 OLD BATTLE 10000 19.4 16.1 120 20.6 17.9 115 SAGE CREEK BASIN 7850 8.5 6.0 142 9.6 6.4 150 SOUTH BRUSH CREEK 8400 5.2 5.7 91 6.0 8.7 69 TOWER 10500 23.2 23.3 100 24.7 20.1 123 WEBBER SPRINGS 9200 14.9 12.8 116 16.3 14.5 112 WILLOW CREEK PASS 9540 5.4 6.1 89 5.1 7.0 73 ----- ----- Basin wide percent of average 105 106 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 9.7 12.2 80 9.0 11.3 80 CASPER MTN. 7900 5.8 7.5 77 5.1 7.7 66 DEADMAN HILL 10220 6.3 8.5 74 8.8 8.7 101 DEER PARK 9700 10.5 8.2 128 12.3 11.9 103 LAPRELE CREEK 8320 5.3 5.9 90 5.7 6.8 84 RENO HILL 8400 6.9 7.2 96 6.5 7.8 83 ROACH 9700 9.8 8.4 117 10.5 9.4 112 SAND LAKE 10080 12.8 16.4 78 12.4 12.8 97 SOUTH PASS 9040 10.7 9.2 116 10.7 10.1 106 WINDY PEAK 7840 3.3 3.8 87 4.1 5.9 69 ----- ----- Basin wide percent of average 93 92 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 9.4 5.2 181 9.4 7.9 119 DIVIDE PEAK 8800 11.4 10.4 110 12.0 11.1 108 OLD BATTLE 10000 19.4 16.1 120 20.6 17.9 115 SANDSTONE RS 8150 7.1 6.6 108 12.5 9.9 126 WHISKEY PARK 8950 15.4 13.2 117 15.0 15.0 100 ----- ----- Basin wide percent of average 122 112 UPPER GREEN RIVER BIG SANDY OPENING 9100 8.6 7.7 112 8.2 7.3 112 BLIND BULL SUM 8650 14.2 14.8 96 11.6 12.3 94 EAST RIM DIVIDE 7930 6.8 6.7 101 7.1 6.5 109 ELKHART PARK G.S. 9400 7.7 7.0 110 8.1 7.3 111 GROS VENTRE SUMMIT 8775 7.3 7.7 95 6.7 7.1 94 KENDALL R.S. 7740 -M 7.7 * 8.8 7.7 114 LOOMIS PARK 8240 10.3 9.0 114 10.6 9.3 114 NEW FORK LAKE 8340 6.7 6.0 112 6.3 6.5 97 SNIDER BASIN 8250 8.1 7.7 105 8.0 8.8 91 SPRING CREEK DIVIDE 9000 12.9 13.9 93 12.5 14.5 86 TRIPLE PEAK 8500 12.7 13.3 95 13.8 12.7 109 ----- ----- Basin wide percent of average 102 102 LOWER GREEN RIVER HAMS FORK 7840 6.7 6.3 106 6.2 6.6 94 HEWINTA 9500 5.2 4.8 108 6.7 7.7 87 HICKERSON PARK 9150 2.9 3.4 85 5.5 4.5 122 HOLE-IN-ROCK 9150 3.6 3.1 116 4.4 4.2 105 INDIAN CREEK 9425 13.7 14.0 98 12.1 13.5 90 KELLEY R.S. 8180 9.2 8.5 108 10.1 11.2 90 STEEL CREEK PARK 10100 6.5 7.4 88 7.1 8.3 86 ----- ----- Basin wide percent of average 101 93 UPPER BEAR RIVER BUG LAKE 7950 11.4 9.7 118 11.5 10.3 112 HAYDEN FORK 9400 6.7 7.3 92 -M 11.0 * KELLEY R.S. 8180 9.2 8.5 108 10.1 11.2 90 LILY LAKE 9050 6.1 6.3 97 7.8 9.4 83 MONTE CRISTO 8960 14.6 13.1 111 14.9 13.4 111 SALT RIVER SUMMIT 7600 8.3 6.5 128 9.1 10.0 91 TRIAL LAKE 9960 12.5 12.0 104 13.9 12.5 111 ----- ----- Basin wide percent of average 109 101 ----------------------------------------------------------------------------- -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.