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 MONDAY: FEBRUARY 27 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 17.9 15.8 113 22.6 18.3 123 COTTONWOOD CREEK 7600 24.5 18.1 135 26.9 22.7 119 GRANITE CREEK 6770 18.4 15.8 116 20.6 17.1 120 GRASSY LAKE 7265 31.5 29.0 109 35.5 30.6 116 GROS VENTRE SUMMIT 8750 10.0 11.3 88 10.7 10.7 100 LEWIS LAKE DIVIDE 7850 34.8 29.2 119 34.0 31.0 110 PHILLIPS BENCH 8200 26.9 23.5 114 28.0 24.2 116 SALT RIVER SUMMIT 7600 13.6 12.0 113 16.5 15.6 106 SNAKE RIVER STATION 6920 17.6 16.3 108 22.7 19.2 118 SPRING CREEK DIVIDE 9000 26.9 21.8 123 -M 22.2 * THUMB DIVIDE 7980 14.9 15.1 99 15.7 15.8 99 TOGWOTEE PASS 9580 21.1 20.4 103 22.3 20.4 109 TWO OCEAN PLATEAU 9240 30.8 23.0 134 24.3 23.0 106 WILLOW CREEK 8450 29.1 25.0 116 33.5 26.6 126 ----- ----- Basin wide percent of average 115 114 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 19.2 19.5 98 16.9 16.9 100 BLACK BEAR 8170 40.9 32.4 126 -M 32.8 * CANYON 8090 12.1 11.1 109 14.9 12.8 116 FISHER CREEK 9100 34.9 29.2 120 -M 30.2 * MADISON PLATEAU 7750 21.8 20.6 106 25.3 21.8 116 NORTHEAST ENTRANCE 7350 9.0 9.6 94 10.7 10.7 100 PARKER PEAK 9400 16.0 17.9 89 14.6 13.5 108 SYLVAN LAKE 8420 14.9 18.5 81 18.7 17.7 106 THUMB DIVIDE 7980 14.9 15.1 99 15.7 15.8 99 TWO OCEAN PLATEAU 9240 30.8 23.0 134 24.3 23.0 106 WHISKEY CREEK 6800 12.8 14.2 90 19.1 17.1 112 WHITE MILL 8700 22.2 20.0 111 -M 22.4 * WOLVERINE 7650 8.5 10.5 81 8.1 11.1 73 ----- ----- Basin wide percent of average 107 105 WIND RIVER BURROUGHS CREEK 8750 12.0 12.4 97 14.2 13.5 105 COLD SPRINGS 9630 4.2 7.1 59 6.7 8.3 81 DEER PARK 9700 13.7 14.3 96 16.9 17.6 96 HOBBS PARK 10100 8.1 11.7 69 8.9 9.8 91 LITTLE WARM 9370 7.3 9.4 78 9.8 10.8 91 SOUTH PASS 9040 13.5 13.8 98 14.4 14.8 97 ST. LAWRENCE ALT 8620 2.5 5.8 43 4.9 6.9 71 TOGWOTEE PASS 9580 21.1 20.4 103 22.3 20.4 109 TOWNSEND CREEK 8700 5.2 6.8 76 7.7 8.8 88 ----- ----- Basin wide percent of average 86 95 BIGHORN BASIN BALD MTN. 9380 12.7 15.8 80 10.1 13.9 73 BEAR TRAP MEADOW 8200 4.8 4.2 114 6.4 6.3 102 BLACKWATER 9780 18.8 20.1 94 17.1 17.0 101 BONE SPRINGS DIV 9350 11.2 13.0 86 11.4 11.5 99 EVENING STAR 9200 21.8 24.6 89 24.1 21.5 112 GRAVE SPRINGS 8550 7.8 7.2 108 9.6 7.7 125 KIRWIN 9550 8.2 9.0 91 9.1 9.1 100 MARQUETTE 8760 1.7 6.8 25 6.3 7.4 85 MIDDLE POWDER 7760 10.4 8.9 117 8.9 9.5 94 OWL CREEK 8975 2.5 4.0 62 4.7 4.4 107 POWDER RIVER PASS 9480 8.2 8.6 95 9.7 9.9 98 SHELL CREEK 9580 11.5 11.6 99 10.7 10.7 100 SYLVAN LAKE 8420 14.9 18.5 81 18.7 17.7 106 SYLVAN ROAD 7120 9.2 11.2 82 14.2 15.4 92 TIMBER CREEK 7950 1.6 4.2 38 4.0 5.3 75 YOUNTS PEAK 8350 -M 14.4 * 15.2 13.4 113 ----- ----- Basin wide percent of average 87 100 SHOSHONE RIVER BLACKWATER 9780 18.8 20.1 94 17.1 17.0 101 EVENING STAR 9200 21.8 24.6 89 24.1 21.5 112 KIRWIN 9550 8.2 9.0 91 9.1 9.1 100 MARQUETTE 8760 1.7 6.8 25 6.3 7.4 85 SYLVAN LAKE 8420 14.9 18.5 81 18.7 17.7 106 SYLVAN ROAD 7120 9.2 11.2 82 14.2 15.4 92 YOUNTS PEAK 8350 -M 14.4 * 15.2 13.4 113 ----- ----- Basin wide percent of average 83 103 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.8 4.2 114 6.4 6.3 102 BIG GOOSE 7990 5.3 7.6 70 7.4 6.7 110 BONE SPRINGS DIV 9350 11.2 13.0 86 11.4 11.5 99 BURGESS JUNCTION 7880 8.0 8.9 90 9.4 9.4 100 CLOUD PEAK RESERVOIR 9860 10.6 9.8 108 9.9 9.7 102 DOME LAKE 8880 8.6 9.4 91 9.2 10.1 91 GRAVE SPRINGS 8550 7.8 7.2 108 9.6 7.7 125 HANSEN SAWMILL 8360 3.4 5.1 67 5.4 6.2 87 MIDDLE POWDER 7760 10.4 8.9 117 8.9 9.5 94 POWDER RIVER PASS 9480 8.2 8.6 95 9.7 9.9 98 SUCKER CREEK 8880 8.5 9.0 94 11.3 10.4 109 TIE CREEK 6870 4.5 4.8 94 8.4 7.8 108 ----- ----- Basin wide percent of average 95 102 BELLE FOURCHE BLIND PARK 6890 6.9 6.9 100 9.3 9.2 101 COLE CANYON 5910 4.7 5.0 94 7.7 -M * NORTH RAPID CREEK 6130 6.0 6.7 90 7.3 7.4 99 ----- ----- Basin wide percent of average 95 100 UPPER N. PLATTE RIVER COLUMBINE 9160 27.0 21.5 126 29.2 20.6 142 DIVIDE PEAK 8860 14.7 15.4 95 17.5 16.8 104 ELK RIVER 8700 16.4 15.8 104 17.5 15.9 110 JOE WRIGHT 10120 18.1 17.0 106 22.0 19.9 111 NORTH FRENCH CREEK 10130 28.3 22.4 126 26.7 19.9 134 OLD BATTLE 9920 30.5 25.8 118 34.1 28.1 121 SAGE CREEK BASIN 7850 10.5 8.9 118 12.3 9.8 126 SOUTH BRUSH CREEK 8440 9.9 9.8 101 14.2 13.1 108 TOWER 10500 44.4 37.1 120 -M 31.4 * WEBBER SPRINGS 9250 22.1 20.9 106 27.9 21.8 128 WILLOW CREEK PASS 9540 10.7 9.4 114 11.4 10.2 112 ----- ----- Basin wide percent of average 114 121 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 20.8 18.7 111 17.7 17.3 102 CASPER MTN. 7850 13.6 11.1 123 14.8 10.9 136 DEADMAN HILL 10220 13.0 12.8 102 14.3 13.1 109 DEER PARK 9700 13.7 14.3 96 16.9 17.6 96 LAPRELE CREEK 8375 8.5 8.8 97 9.3 9.9 94 RENO HILL 8500 13.2 10.2 129 14.6 11.3 129 ROACH 9700 12.2 13.7 89 15.3 14.7 104 SAND LAKE 10050 26.7 24.8 108 25.6 19.1 134 SOUTH PASS 9040 13.5 13.8 98 14.4 14.8 97 WINDY PEAK 7900 5.9 5.9 100 7.8 8.4 93 ----- ----- Basin wide percent of average 105 110 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.6 9.6 121 13.7 12.1 113 DIVIDE PEAK 8860 14.7 15.4 95 17.5 16.8 104 OLD BATTLE 9920 30.5 25.8 118 34.1 28.1 121 SANDSTONE RS 8150 12.5 12.3 102 18.1 15.5 117 WHISKEY PARK 8950 31.2 23.4 133 29.8 23.1 129 ----- ----- Basin wide percent of average 116 118 UPPER GREEN RIVER BIG SANDY OPENING 9080 12.5 11.9 105 12.8 11.1 115 BLIND BULL SUM 8900 23.9 22.7 105 18.3 18.8 97 EAST RIM DIVIDE 7930 9.5 10.8 88 10.1 10.0 101 ELKHART PARK G.S. 9400 11.9 10.9 109 12.5 10.8 116 GROS VENTRE SUMMIT 8750 10.0 11.3 88 10.7 10.7 100 KENDALL R.S. 7740 12.9 12.2 106 13.6 12.3 111 LOOMIS PARK 8240 16.2 14.2 114 17.1 14.6 117 NEW FORK LAKE 8340 9.6 9.5 101 9.4 9.5 99 SNIDER BASIN 8060 15.2 12.2 125 14.8 13.5 110 SPRING CREEK DIVIDE 9000 26.9 21.8 123 -M 22.2 * TRIPLE PEAK 8500 25.7 20.6 125 26.5 20.4 130 ----- ----- Basin wide percent of average 110 111 LOWER GREEN RIVER HAMS FORK 7840 13.2 10.8 122 12.1 10.3 117 HEWINTA 9500 9.6 8.9 108 12.3 11.4 108 HICKERSON PARK 9100 3.4 5.7 60 5.5 6.1 90 HOLE-IN-ROCK 9150 5.7 5.6 102 6.4 5.7 112 INDIAN CREEK 9425 26.3 21.9 120 -M 20.8 * KELLEY R.S. 8180 17.2 13.7 126 19.0 17.0 112 STEEL CREEK PARK 10100 12.6 12.4 102 14.0 12.7 110 ----- ----- Basin wide percent of average 111 110 UPPER BEAR RIVER BUG LAKE 7950 20.8 16.8 124 18.4 16.0 115 HAYDEN FORK 9100 16.8 12.9 130 20.0 16.9 118 KELLEY R.S. 8180 17.2 13.7 126 19.0 17.0 112 LILY LAKE 9050 11.5 10.6 108 13.4 14.1 95 MONTE CRISTO 8960 26.1 24.2 108 25.9 20.8 125 SALT RIVER SUMMIT 7600 13.6 12.0 113 16.5 15.6 106 TRIAL LAKE 9960 23.8 20.2 118 23.2 20.2 115 ----- ----- Basin wide percent of average 118 113 ----------------------------------------------------------------------------- -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.