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 SUNDAY: JANUARY 4 , 2004 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 12.0 8.7 138 12.9 10.8 119 COTTONWOOD CREEK 7600 11.0 10.2 108 11.9 14.0 85 GRANITE CREEK 6770 10.9 8.1 135 11.6 9.9 117 GRASSY LAKE 7265 21.2 15.5 137 21.0 18.0 117 GROS VENTRE SUMMIT 8775 6.9 7.2 96 6.4 6.6 97 LEWIS LAKE DIVIDE 7860 20.1 15.6 129 20.6 18.2 113 PHILLIPS BENCH 8200 15.1 13.2 114 15.6 14.1 111 SALT RIVER SUMMIT 7600 6.6 5.8 114 8.3 9.3 89 SNAKE RIVER STATION 6920 -M 8.3 * 14.6 11.4 128 SPRING CREEK DIVIDE 9000 11.7 13.0 90 11.4 13.5 84 THUMB DIVIDE 7980 12.4 8.0 155 11.7 9.4 124 TOGWOTEE PASS 9580 11.8 12.2 97 12.1 12.5 97 TWO OCEAN PLATEAU 9360 16.8 14.0 120 15.0 14.0 107 WILLOW CREEK 8450 15.5 14.9 104 16.9 16.1 105 ----- ----- Basin wide percent of average 117 107 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 11.1 12.0 92 12.2 10.4 117 BLACK BEAR 8170 25.1 18.1 139 23.5 18.4 128 CANYON 8090 7.0 6.4 109 7.7 8.1 95 FISHER CREEK 9100 17.8 17.1 104 17.4 17.8 98 MADISON PLATEAU 7750 15.5 11.7 132 15.0 12.9 116 NORTHEAST ENTRANCE 7350 3.8 5.3 72 6.4 6.6 97 PARKER PEAK 9400 10.7 11.0 97 8.4 8.5 99 SYLVAN LAKE 8420 9.5 11.0 86 11.9 11.4 104 THUMB DIVIDE 7980 12.4 8.0 155 11.7 9.4 124 TWO OCEAN PLATEAU 9360 16.8 14.0 120 15.0 14.0 107 WHISKEY CREEK 6800 11.1 7.9 141 12.8 10.3 124 WHITE MILL 8700 10.0 11.7 85 11.7 13.3 88 WOLVERINE 7650 5.6 6.1 92 5.6 7.2 78 ----- ----- Basin wide percent of average 111 107 WIND RIVER BURROUGHS CREEK 8750 -M 7.1 * -M 8.3 * COLD SPRINGS 9630 3.3 4.8 69 3.7 5.8 64 DEER PARK 9700 10.0 7.2 139 11.7 11.2 104 HOBBS PARK 10100 6.7 7.9 85 5.9 6.6 89 LITTLE WARM 9370 4.6 5.6 82 5.2 6.9 75 SOUTH PASS 9040 10.1 8.5 119 10.2 9.5 107 ST. LAWRENCE ALT 8620 2.6 3.9 67 3.4 4.7 72 TOGWOTEE PASS 9580 11.8 12.2 97 12.1 12.5 97 TOWNSEND CREEK 8700 4.7 4.5 104 5.8 6.1 95 ----- ----- Basin wide percent of average 99 92 BIGHORN BASIN BALD MTN. 9380 8.6 10.1 85 7.4 8.8 84 BEAR TRAP MEADOW 8200 3.6 2.7 133 3.6 4.6 78 BLACKWATER 9780 13.6 12.4 110 11.9 11.1 107 BONE SPRINGS DIV 9350 7.4 8.1 91 7.5 7.5 100 EVENING STAR 9200 12.0 14.4 83 14.7 13.4 110 GRAVE SPRINGS 8550 5.4 4.2 129 4.6 5.0 92 KIRWIN 9550 3.7 6.1 61 4.5 6.1 74 MARQUETTE 8760 4.0 5.1 78 4.3 5.4 80 MIDDLE POWDER 7760 6.2 5.7 109 4.8 6.9 70 OWL CREEK 8975 1.9 2.8 68 2.1 3.0 70 POWDER RIVER PASS 9480 5.7 5.5 104 6.2 6.2 100 SHELL CREEK 9580 7.7 7.6 101 7.5 7.0 107 SYLVAN LAKE 8420 9.5 11.0 86 11.9 11.4 104 SYLVAN ROAD 7120 7.1 6.5 109 9.5 10.4 91 TIMBER CREEK 7950 1.8 3.1 58 2.8 3.8 74 YOUNTS PEAK 8350 5.6 8.3 67 7.6 8.5 89 ----- ----- Basin wide percent of average 91 93 SHOSHONE RIVER BLACKWATER 9780 13.6 12.4 110 11.9 11.1 107 EVENING STAR 9200 12.0 14.4 83 14.7 13.4 110 KIRWIN 9550 3.7 6.1 61 4.5 6.1 74 MARQUETTE 8760 4.0 5.1 78 4.3 5.4 80 SYLVAN LAKE 8420 9.5 11.0 86 11.9 11.4 104 SYLVAN ROAD 7120 7.1 6.5 109 9.5 10.4 91 YOUNTS PEAK 8350 5.6 8.3 67 7.6 8.5 89 ----- ----- Basin wide percent of average 87 97 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.6 2.7 133 3.6 4.6 78 BIG GOOSE 7990 3.9 4.6 85 4.6 4.6 100 BONE SPRINGS DIV 9350 7.4 8.1 91 7.5 7.5 100 BURGESS JUNCTION 7880 5.0 5.7 88 5.1 6.3 81 CLOUD PEAK RESERVOIR 9860 6.7 6.0 112 5.6 6.6 85 DOME LAKE 8880 -M 6.3 * -M 7.1 * GRAVE SPRINGS 8550 5.4 4.2 129 4.6 5.0 92 HANSEN SAWMILL 8360 3.8 3.4 112 3.6 4.4 82 MIDDLE POWDER 7760 6.2 5.7 109 4.8 6.9 70 POWDER RIVER PASS 9480 5.7 5.5 104 6.2 6.2 100 SUCKER CREEK 8880 5.2 5.4 96 5.8 6.9 84 TIE CREEK 6870 3.0 2.7 111 4.3 5.3 81 ----- ----- Basin wide percent of average 104 87 BELLE FOURCHE BLIND PARK 6890 2.7 3.7 73 4.9 6.4 77 COLE CANYON 5910 2.2 3.1 71 3.1 -M * NORTH RAPID CREEK 6130 -M 3.4 * 3.6 5.4 67 ----- ----- Basin wide percent of average 72 72 UPPER N. PLATTE RIVER COLUMBINE 9400 12.0 10.6 113 13.7 12.0 114 DIVIDE PEAK 8800 10.9 9.6 114 11.4 10.4 110 ELK RIVER 8700 10.5 7.7 136 11.9 9.3 128 JOE WRIGHT 10120 8.0 10.1 79 9.8 12.3 80 NORTH FRENCH CREEK 10100 12.0 13.9 86 11.2 12.4 90 OLD BATTLE 10000 18.2 15.1 121 18.8 16.6 113 SAGE CREEK BASIN 7850 7.9 5.5 144 9.0 6.0 150 SOUTH BRUSH CREEK 8400 5.0 5.3 94 5.6 8.1 69 TOWER 10500 21.5 21.5 100 22.7 18.6 122 WEBBER SPRINGS 9200 14.1 11.9 118 15.2 13.5 113 WILLOW CREEK PASS 9540 5.3 5.8 91 4.8 6.6 73 ----- ----- Basin wide percent of average 107 107 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 8.5 11.2 76 8.2 10.5 78 CASPER MTN. 7900 5.2 7.1 73 4.6 7.4 62 DEADMAN HILL 10220 5.7 7.9 72 8.3 8.2 101 DEER PARK 9700 10.0 7.2 139 11.7 11.2 104 LAPRELE CREEK 8320 5.1 5.5 93 5.5 6.4 86 RENO HILL 8400 6.6 6.8 97 6.1 7.4 82 ROACH 9700 9.3 7.7 121 10.0 8.8 114 SAND LAKE 10080 12.1 15.4 79 11.5 12.0 96 SOUTH PASS 9040 10.1 8.5 119 10.2 9.5 107 WINDY PEAK 7840 2.8 3.6 78 3.9 5.6 70 ----- ----- Basin wide percent of average 93 92 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.6 4.5 191 8.8 7.4 119 DIVIDE PEAK 8800 10.9 9.6 114 11.4 10.4 110 OLD BATTLE 10000 18.2 15.1 121 18.8 16.6 113 SANDSTONE RS 8150 6.5 5.7 114 11.8 9.2 128 WHISKEY PARK 8950 14.2 11.8 120 14.0 13.8 101 ----- ----- Basin wide percent of average 125 113 UPPER GREEN RIVER BIG SANDY OPENING 9100 7.8 7.2 108 7.4 6.8 109 BLIND BULL SUM 8650 13.0 13.7 95 10.8 11.5 94 EAST RIM DIVIDE 7930 6.3 6.2 102 6.5 6.0 108 ELKHART PARK G.S. 9400 6.9 6.5 106 7.4 6.9 107 GROS VENTRE SUMMIT 8775 6.9 7.2 96 6.4 6.6 97 KENDALL R.S. 7740 -M 7.0 * 8.1 7.2 112 LOOMIS PARK 8240 9.5 8.3 114 9.7 8.6 113 NEW FORK LAKE 8340 6.0 5.6 107 5.7 6.1 93 SNIDER BASIN 8250 7.4 7.2 103 7.3 8.2 89 SPRING CREEK DIVIDE 9000 11.7 13.0 90 11.4 13.5 84 TRIPLE PEAK 8500 11.6 12.4 94 12.6 11.7 108 ----- ----- Basin wide percent of average 100 100 LOWER GREEN RIVER HAMS FORK 7840 5.9 5.8 102 5.6 6.1 92 HEWINTA 9500 4.8 4.3 112 6.4 7.2 89 HICKERSON PARK 9150 2.6 3.0 87 4.5 4.3 105 HOLE-IN-ROCK 9150 3.2 2.8 114 3.9 4.0 98 INDIAN CREEK 9425 12.6 13.0 97 11.1 12.6 88 KELLEY R.S. 8180 8.3 7.9 105 9.2 10.5 88 STEEL CREEK PARK 10100 6.3 6.9 91 6.7 7.8 86 ----- ----- Basin wide percent of average 100 90 UPPER BEAR RIVER BUG LAKE 7950 10.5 8.8 119 10.4 9.6 108 HAYDEN FORK 9400 6.6 6.6 100 18.6 10.3 181 KELLEY R.S. 8180 8.3 7.9 105 9.2 10.5 88 LILY LAKE 9050 6.1 5.8 105 7.6 8.9 85 MONTE CRISTO 8960 13.6 11.7 116 13.8 12.5 110 SALT RIVER SUMMIT 7600 6.6 5.8 114 8.3 9.3 89 TRIAL LAKE 9960 12.2 11.0 111 13.6 11.6 117 ----- ----- Basin wide percent of average 111 112 ----------------------------------------------------------------------------- -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.