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 TUESDAY: JANUARY 27 , 1998 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 13.1 11.8 111 15.4 15.5 99 COTTONWOOD CREEK 7600 14.6 13.3 110 15.9 16.4 97 GRANITE CREEK 6770 12.6 11.6 109 14.8 16.3 91 GRASSY LAKE 7265 23.3 21.7 107 24.1 25.1 96 GROS VENTRE SUMMIT 8775 7.4 10.0 74 8.6 11.0 78 LEWIS LAKE DIVIDE 7860 20.5 21.4 96 22.2 25.5 87 PHILLIPS BENCH 8200 18.8 18.2 103 18.6 20.2 92 SALT RIVER SUMMIT 7600 10.2 8.4 121 12.3 11.7 105 SNAKE RIVER STATION 6920 12.5 11.7 107 15.3 17.7 86 SPRING CREEK DIVIDE 9000 15.5 17.2 90 15.4 18.4 84 THUMB DIVIDE 7980 10.9 10.8 101 12.1 14.5 83 TOGWOTEE PASS 9580 13.8 16.0 86 16.8 19.1 88 TWO OCEAN PLATEAU 9360 19.8 17.4 114 17.0 21.4 79 WILLOW CREEK 8450 18.6 19.8 94 21.2 21.6 98 ----- ----- Basin wide percent of average 101 90 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 15.0 15.3 98 13.0 11.5 113 BLACK BEAR 7950 26.0 23.1 113 -M 25.0 * CANYON 7940 9.3 7.9 118 10.3 9.4 110 FISHER CREEK 9100 22.2 22.9 97 19.7 23.2 85 MADISON PLATEAU 7750 13.6 15.2 89 15.1 16.4 92 NORTHEAST ENTRANCE 7350 5.3 6.0 88 9.4 7.9 119 PARKER PEAK 9400 13.3 13.7 97 11.5 10.0 115 SYLVAN LAKE 8420 11.6 14.3 81 14.1 12.7 111 THUMB DIVIDE 7980 10.9 10.8 101 12.1 14.5 83 TWO OCEAN PLATEAU 9360 19.8 17.4 114 17.0 21.4 79 WHISKEY CREEK 6800 9.4 10.6 89 12.0 13.6 88 WHITE MILL 8700 16.9 16.0 106 15.7 18.3 86 WOLVERINE 7650 7.9 7.5 105 8.1 8.4 96 ----- ----- Basin wide percent of average 100 94 WIND RIVER BURROUGHS CREEK 8750 11.4 9.9 115 12.4 10.8 115 COLD SPRINGS 9630 6.7 5.6 120 7.5 6.7 112 DEER PARK 9700 -M -M * 12.6 -M * HOBBS PARK 10100 9.3 9.7 96 8.3 8.8 94 LITTLE WARM 9620 7.3 6.9 106 9.1 8.5 107 SOUTH PASS 9040 9.6 10.9 88 10.6 10.3 103 ST. LAWRENCE ALT 8620 6.5 4.6 141 6.5 6.1 107 TOGWOTEE PASS 9580 13.8 16.0 86 16.8 19.1 88 TOWNSEND CREEK 8700 6.8 5.9 115 8.4 7.5 112 ----- ----- Basin wide percent of average 103 102 BIGHORN BASIN BALD MTN. 9375 13.1 13.3 98 11.6 11.2 104 BEAR TRAP MEADOW 7900 3.6 4.6 78 4.4 5.2 85 BLACKWATER 9780 15.7 13.4 117 13.6 11.7 116 BONE SPRINGS DIV 9350 10.2 10.2 100 10.6 9.0 118 EVENING STAR 9200 17.3 17.1 101 18.6 14.6 127 GRAVE SPRINGS 8550 4.6 -M * 5.1 6.2 82 KIRWIN 9550 9.2 6.4 144 10.2 6.5 157 MARQUETTE 8760 8.7 4.9 178 9.1 5.6 163 MIDDLE POWDER 7760 5.6 7.5 75 6.2 7.5 83 OWL CREEK 8975 4.1 2.7 152 4.3 3.6 119 POWDER RIVER PASS 9480 6.5 6.7 97 7.4 7.4 100 SHELL CREEK 9580 9.0 9.8 92 7.1 8.5 84 SYLVAN LAKE 8420 11.6 14.3 81 14.1 12.7 111 SYLVAN ROAD 8120 7.7 8.1 95 11.4 10.6 108 TIMBER CREEK 7950 5.5 3.4 162 6.8 4.1 166 YOUNTS PEAK 8350 11.5 11.7 98 11.5 10.8 106 ----- ----- Basin wide percent of average 104 112 SHOSHONE RIVER BLACKWATER 9780 15.7 13.4 117 13.6 11.7 116 EVENING STAR 9200 17.3 17.1 101 18.6 14.6 127 KIRWIN 9550 9.2 6.4 144 10.2 6.5 157 MARQUETTE 8760 8.7 4.9 178 9.1 5.6 163 SYLVAN LAKE 8420 11.6 14.3 81 14.1 12.7 111 SYLVAN ROAD 8120 7.7 8.1 95 11.4 10.6 108 YOUNTS PEAK 8350 11.5 11.7 98 11.5 10.8 106 ----- ----- Basin wide percent of average 108 122 POWDER-TONGUE BEAR TRAP MEADOW 7900 3.6 4.6 78 4.4 5.2 85 BONE SPRINGS DIV 9350 10.2 10.2 100 10.6 9.0 118 BURGESS JUNCTION 7880 6.4 7.3 88 7.6 6.9 110 CLOUD PEAK RESERVOIR 9860 8.1 7.6 107 8.8 7.8 113 DOME LAKE 8880 6.7 8.6 78 8.7 8.4 104 GRAVE SPRINGS 8550 4.6 -M * 5.1 6.2 82 HANSEN SAWMILL 8760 4.6 4.4 105 5.3 4.8 110 MIDDLE POWDER 7760 5.6 7.5 75 6.2 7.5 83 POWDER RIVER PASS 9480 6.5 6.7 97 7.4 7.4 100 SUCKER CREEK 8880 7.5 7.1 106 9.1 8.3 110 TIE CREEK 6870 5.0 -M * 8.4 6.6 127 ----- ----- Basin wide percent of average 93 104 BELLE FOURCHE BLIND PARK 6890 5.4 6.9 78 7.8 5.9 132 NORTH RAPID CREEK 6130 5.3 -M * 6.1 -M * WARREN PEAK 6520 5.8 6.9 84 6.3 5.0 126 ----- ----- Basin wide percent of average 81 129 UPPER N. PLATTE RIVER COLUMBINE 9400 14.1 14.9 95 15.0 15.5 97 DIVIDE PEAK 8800 11.0 12.7 87 13.1 15.4 85 ELK RIVER 8700 9.7 11.8 82 11.1 11.9 93 JOE WRIGHT 10120 12.5 13.4 93 15.3 15.7 97 NORTH FRENCH CREEK 10100 17.2 15.3 112 16.9 14.4 117 OLD BATTLE 10000 18.3 19.6 93 22.7 18.6 122 SOUTH BRUSH CREEK 8400 5.0 6.7 75 6.1 10.6 58 TOWER 10500 27.1 28.4 95 24.4 22.9 107 WEBBER SPRINGS 9200 13.3 16.6 80 17.0 16.1 106 WILLOW CREEK PASS 9540 4.1 7.1 58 4.5 7.5 60 ----- ----- Basin wide percent of average 90 98 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 12.0 15.4 78 13.3 11.5 116 CASPER MTN. 7900 8.6 9.0 96 8.6 8.4 102 DEADMAN HILL 10220 9.7 10.6 92 9.3 9.8 95 DEER PARK 9700 -M -M * 12.6 -M * LAPRELE CREEK 8320 5.4 6.3 86 6.5 7.2 90 RENO HILL 8400 8.1 8.0 101 7.4 11.1 67 ROACH 9700 9.5 10.5 90 11.5 13.6 85 SAND LAKE 10080 16.2 20.3 80 15.0 12.4 121 SOUTH PASS 9040 9.6 10.9 88 10.6 10.3 103 WINDY PEAK 7840 4.0 4.3 93 5.3 5.6 95 ----- ----- Basin wide percent of average 87 97 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 5.9 6.9 86 9.7 10.4 93 DIVIDE PEAK 8800 11.0 12.7 87 13.1 15.4 85 OLD BATTLE 10000 18.3 19.6 93 22.7 18.6 122 SANDSTONE RS 8150 8.9 8.8 101 12.0 12.6 95 WHISKEY PARK 8950 17.4 17.5 99 18.3 18.7 98 ----- ----- Basin wide percent of average 94 100 UPPER GREEN RIVER BIG SANDY OPENING 9100 7.2 9.1 79 6.6 11.3 58 BLIND BULL SUM 8650 17.3 18.1 96 13.3 15.8 84 EAST RIM DIVIDE 7930 7.2 8.7 83 7.5 10.5 71 ELKHART PARK G.S. 9400 8.1 8.5 95 8.4 11.1 76 GROS VENTRE SUMMIT 8775 7.4 10.0 74 8.6 11.0 78 KENDALL R.S. 7740 10.1 9.4 107 10.3 10.7 96 LOOMIS PARK 8240 9.5 10.9 87 10.6 13.1 81 NEW FORK LAKE 8340 6.9 7.4 93 7.1 10.1 70 SNIDER BASIN 8250 8.3 9.3 89 8.7 10.5 83 SPRING CREEK DIVIDE 9000 15.5 17.2 90 15.4 18.4 84 TRIPLE PEAK 8500 15.8 16.4 96 16.0 21.6 74 ----- ----- Basin wide percent of average 91 78 LOWER GREEN RIVER HAMS FORK 7840 7.9 7.6 104 6.8 9.3 73 HEWINTA 9500 7.8 5.9 132 10.4 8.1 128 HICKERSON PARK 9150 6.2 3.4 182 8.3 5.8 143 HOLE-IN-ROCK 9150 4.6 3.1 148 7.3 5.8 126 INDIAN CREEK 9425 15.9 17.0 94 12.5 17.4 72 KELLEY R.S. 8180 10.5 10.1 104 11.0 13.0 85 STEEL CREEK PARK 10100 9.5 9.4 101 12.1 8.3 146 ----- ----- Basin wide percent of average 110 101 UPPER BEAR RIVER BUG LAKE 7950 14.4 12.3 117 14.3 12.3 116 HAYDEN FORK 9400 8.7 9.8 89 13.2 11.4 116 KELLEY R.S. 8180 10.5 10.1 104 11.0 13.0 85 LILY LAKE 9050 8.3 7.8 106 10.5 9.1 115 MONTE CRISTO 8960 19.5 16.4 119 17.6 15.8 111 SALT RIVER SUMMIT 7600 10.2 8.4 121 12.3 11.7 105 TRIAL LAKE 9960 12.6 15.2 83 13.6 14.5 94 ----- ----- Basin wide percent of average 105 105 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. 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 1961-90. 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.