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: MARCH 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 18.4 16.1 114 22.9 18.7 122 COTTONWOOD CREEK 7600 26.0 18.7 139 -M 23.2 * GRANITE CREEK 6770 19.1 16.2 118 21.2 17.5 121 GRASSY LAKE 7265 31.9 29.7 107 36.1 31.2 116 GROS VENTRE SUMMIT 8750 10.4 11.6 90 11.2 10.9 103 LEWIS LAKE DIVIDE 7850 35.5 29.9 119 -M 31.7 * PHILLIPS BENCH 8200 27.9 24.1 116 28.8 24.8 116 SALT RIVER SUMMIT 7600 13.7 12.3 111 16.8 15.9 106 SNAKE RIVER STATION 6920 18.0 16.7 108 23.0 19.6 117 SPRING CREEK DIVIDE 9000 27.4 22.4 122 -M 22.6 * THUMB DIVIDE 7980 15.8 15.5 102 16.4 16.1 102 TOGWOTEE PASS 9580 21.6 20.8 104 22.7 20.8 109 TWO OCEAN PLATEAU 9240 31.1 23.5 132 24.4 23.5 104 WILLOW CREEK 8450 30.7 25.6 120 34.6 27.2 127 ----- ----- Basin wide percent of average 116 114 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 19.3 19.9 97 16.9 17.2 98 BLACK BEAR 8170 42.2 33.1 127 -M 33.5 * CANYON 8090 12.6 11.4 111 15.2 13.1 116 FISHER CREEK 9100 35.7 29.8 120 33.3 30.8 108 MADISON PLATEAU 7750 22.8 21.1 108 26.8 22.3 120 NORTHEAST ENTRANCE 7350 9.1 9.8 93 11.0 10.9 101 PARKER PEAK 9400 16.0 18.3 87 14.5 13.8 105 SYLVAN LAKE 8420 15.0 18.9 79 19.0 18.0 106 THUMB DIVIDE 7980 15.8 15.5 102 16.4 16.1 102 TWO OCEAN PLATEAU 9240 31.1 23.5 132 24.4 23.5 104 WHISKEY CREEK 6800 13.7 14.5 94 20.1 17.5 115 WHITE MILL 8700 22.8 20.4 112 20.7 22.8 91 WOLVERINE 7650 8.0 10.7 75 8.0 11.3 71 ----- ----- Basin wide percent of average 107 104 WIND RIVER BURROUGHS CREEK 8750 12.1 12.7 95 14.2 13.8 103 COLD SPRINGS 9630 4.4 7.3 60 7.0 8.5 82 DEER PARK 9700 14.5 14.5 100 17.8 17.9 99 HOBBS PARK 10100 8.7 12.0 72 9.2 10.0 92 LITTLE WARM 9370 7.4 9.6 77 10.2 11.0 93 SOUTH PASS 9040 14.0 14.1 99 14.9 15.1 99 ST. LAWRENCE ALT 8620 2.7 6.0 45 5.3 7.1 75 TOGWOTEE PASS 9580 21.6 20.8 104 22.7 20.8 109 TOWNSEND CREEK 8700 5.3 7.0 76 7.9 9.0 88 ----- ----- Basin wide percent of average 87 96 BIGHORN BASIN BALD MTN. 9380 12.8 16.1 80 10.0 14.2 70 BEAR TRAP MEADOW 8200 4.6 4.3 107 6.4 6.5 98 BLACKWATER 9780 19.1 20.5 93 17.3 17.3 100 BONE SPRINGS DIV 9350 11.4 13.3 86 11.4 11.7 97 EVENING STAR 9200 21.9 25.2 87 24.3 21.9 111 GRAVE SPRINGS 8550 7.8 7.4 105 9.6 7.9 122 KIRWIN 9550 8.4 9.2 91 9.1 9.3 98 MARQUETTE 8760 1.7 7.0 24 6.0 7.6 79 MIDDLE POWDER 7760 10.3 9.1 113 8.8 9.7 91 OWL CREEK 8975 2.4 4.1 59 4.5 4.4 102 POWDER RIVER PASS 9480 8.2 8.8 93 9.7 10.1 96 SHELL CREEK 9580 11.6 11.9 97 10.9 10.9 100 SYLVAN LAKE 8420 15.0 18.9 79 19.0 18.0 106 SYLVAN ROAD 7120 9.1 11.5 79 14.4 15.7 92 TIMBER CREEK 7950 1.6 4.2 38 4.0 5.5 73 YOUNTS PEAK 8350 12.6 14.7 86 15.3 13.7 112 ----- ----- Basin wide percent of average 85 98 SHOSHONE RIVER BLACKWATER 9780 19.1 20.5 93 17.3 17.3 100 EVENING STAR 9200 21.9 25.2 87 24.3 21.9 111 KIRWIN 9550 8.4 9.2 91 9.1 9.3 98 MARQUETTE 8760 1.7 7.0 24 6.0 7.6 79 SYLVAN LAKE 8420 15.0 18.9 79 19.0 18.0 106 SYLVAN ROAD 7120 9.1 11.5 79 14.4 15.7 92 YOUNTS PEAK 8350 12.6 14.7 86 15.3 13.7 112 ----- ----- Basin wide percent of average 82 102 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.6 4.3 107 6.4 6.5 98 BIG GOOSE 7990 5.1 7.8 65 7.3 6.9 106 BONE SPRINGS DIV 9350 11.4 13.3 86 11.4 11.7 97 BURGESS JUNCTION 7880 8.0 9.1 88 9.2 9.6 96 CLOUD PEAK RESERVOIR 9860 10.7 10.1 106 10.1 9.9 102 DOME LAKE 8880 8.6 9.6 90 9.3 10.3 90 GRAVE SPRINGS 8550 7.8 7.4 105 9.6 7.9 122 HANSEN SAWMILL 8360 3.4 5.2 65 5.3 6.4 83 MIDDLE POWDER 7760 10.3 9.1 113 8.8 9.7 91 POWDER RIVER PASS 9480 8.2 8.8 93 9.7 10.1 96 SUCKER CREEK 8880 8.4 9.2 91 11.1 10.6 105 TIE CREEK 6870 4.3 5.0 86 8.4 8.0 105 ----- ----- Basin wide percent of average 92 99 BELLE FOURCHE BLIND PARK 6890 6.6 7.2 92 9.2 9.4 98 COLE CANYON 5910 4.5 5.1 88 7.7 -M * NORTH RAPID CREEK 6130 5.5 6.8 81 7.2 7.5 96 ----- ----- Basin wide percent of average 87 97 UPPER N. PLATTE RIVER COLUMBINE 9160 27.9 22.0 127 29.5 21.0 140 DIVIDE PEAK 8860 15.2 15.8 96 17.8 17.1 104 ELK RIVER 8700 17.5 16.2 108 17.8 16.2 110 JOE WRIGHT 10120 18.5 17.4 106 22.1 20.4 108 NORTH FRENCH CREEK 10130 28.7 22.9 125 28.0 20.3 138 OLD BATTLE 9920 31.2 26.5 118 35.3 28.7 123 SAGE CREEK BASIN 7850 10.6 9.1 116 12.5 10.0 125 SOUTH BRUSH CREEK 8440 10.4 10.1 103 14.3 13.4 107 TOWER 10500 45.2 37.9 119 31.1 32.1 97 WEBBER SPRINGS 9250 22.7 21.5 106 28.5 22.3 128 WILLOW CREEK PASS 9540 10.8 9.7 111 11.3 10.5 108 ----- ----- Basin wide percent of average 114 117 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 20.8 19.1 109 17.9 17.6 102 CASPER MTN. 7850 13.7 11.4 120 14.8 11.2 132 DEADMAN HILL 10220 13.3 13.1 102 14.7 13.4 110 DEER PARK 9700 14.5 14.5 100 17.8 17.9 99 LAPRELE CREEK 8375 8.4 9.0 93 9.2 10.1 91 RENO HILL 8500 13.1 10.5 125 14.3 11.6 123 ROACH 9700 12.5 14.0 89 15.6 15.0 104 SAND LAKE 10050 27.1 25.4 107 26.0 19.5 133 SOUTH PASS 9040 14.0 14.1 99 14.9 15.1 99 WINDY PEAK 7900 5.7 6.1 93 7.7 8.6 90 ----- ----- Basin wide percent of average 104 109 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 12.0 9.8 122 13.6 12.4 110 DIVIDE PEAK 8860 15.2 15.8 96 17.8 17.1 104 OLD BATTLE 9920 31.2 26.5 118 35.3 28.7 123 SANDSTONE RS 8150 12.6 12.6 100 18.4 15.8 116 WHISKEY PARK 8950 32.1 24.1 133 -M 23.6 * ----- ----- Basin wide percent of average 116 115 UPPER GREEN RIVER BIG SANDY OPENING 9080 13.0 12.2 107 13.2 11.4 116 BLIND BULL SUM 8900 24.6 23.3 106 18.7 19.2 97 EAST RIM DIVIDE 7930 9.8 11.1 88 10.2 10.3 99 ELKHART PARK G.S. 9400 12.1 11.2 108 12.8 11.0 116 GROS VENTRE SUMMIT 8750 10.4 11.6 90 11.2 10.9 103 KENDALL R.S. 7740 13.4 12.5 107 13.9 12.6 110 LOOMIS PARK 8240 16.8 14.6 115 17.4 14.9 117 NEW FORK LAKE 8340 9.8 9.7 101 9.4 9.7 97 SNIDER BASIN 8060 16.1 12.5 129 15.1 13.8 109 SPRING CREEK DIVIDE 9000 27.4 22.4 122 -M 22.6 * TRIPLE PEAK 8500 26.4 21.1 125 27.2 20.8 131 ----- ----- Basin wide percent of average 111 111 LOWER GREEN RIVER HAMS FORK 7840 13.5 11.1 122 12.3 10.5 117 HEWINTA 9500 -M 9.2 * -M 11.7 * HICKERSON PARK 9100 3.7 5.8 64 5.7 6.3 90 HOLE-IN-ROCK 9150 5.9 5.8 102 6.5 5.9 110 INDIAN CREEK 9425 26.9 22.5 120 -M 21.2 * KELLEY R.S. 8180 17.7 14.1 126 19.5 17.3 113 STEEL CREEK PARK 10100 -M 12.8 * -M 13.0 * ----- ----- Basin wide percent of average 114 110 UPPER BEAR RIVER BUG LAKE 7950 21.7 17.2 126 18.7 16.3 115 HAYDEN FORK 9100 17.8 13.3 134 20.9 17.2 122 KELLEY R.S. 8180 17.7 14.1 126 19.5 17.3 113 LILY LAKE 9050 12.2 10.9 112 13.8 14.4 96 MONTE CRISTO 8960 27.4 24.9 110 27.0 21.2 127 SALT RIVER SUMMIT 7600 13.7 12.3 111 16.8 15.9 106 TRIAL LAKE 9960 24.8 20.8 119 24.1 20.7 116 ----- ----- Basin wide percent of average 119 114 ----------------------------------------------------------------------------- -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.