Supercell over Laramie
WRDS/SCO may be working remotely so there could be a slight delay returning phone calls. Please email wrds@uwyo.edu if you are in need of information and we will respond as soon as possible

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: APRIL 17 , 2008 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 -M 16.4 * -M 23.1 * COTTONWOOD CREEK 7670 26.9 23.5 114 27.2 30.0 91 GRAND TARGHEE 9260 51.8 -M * 36.4 -M * GRANITE CREEK 6770 19.0 16.6 114 24.5 21.2 116 GRASSY LAKE 7265 38.3 36.9 104 45.2 38.8 116 GROS VENTRE SUMMIT 8750 13.2 14.6 90 15.0 14.2 106 GUNSIGHT PASS 9820 12.9 -M * 15.2 -M * LEWIS LAKE DIVIDE 7850 37.7 36.7 103 39.9 39.7 101 PHILLIPS BENCH 8200 35.8 30.7 117 37.3 31.4 119 SALT RIVER SUMMIT 7760 13.8 14.1 98 17.1 20.5 83 SNAKE RIVER STATION 6920 20.4 17.0 120 29.1 24.2 120 SPRING CREEK DIVIDE 9000 23.2 28.7 81 25.4 28.7 89 THUMB DIVIDE 7980 19.3 18.4 105 22.1 20.6 107 TOGWOTEE PASS 9580 28.9 26.9 107 31.5 27.1 116 TWO OCEAN PLATEAU 9240 -M 30.8 * -M 30.2 * WILLOW CREEK 8380 34.8 31.9 109 40.9 35.2 116 ----- ----- Basin wide percent of average 105 107 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 26.9 25.5 105 25.6 22.0 116 BLACK BEAR 8170 46.8 41.1 114 44.8 43.7 103 CANYON 7870 18.6 13.6 137 22.0 16.7 132 FISHER CREEK 9100 43.4 37.1 117 40.6 39.5 103 MADISON PLATEAU 7750 31.6 26.0 122 33.7 29.1 116 NORTHEAST ENTRANCE 7350 -M 10.3 * -M 13.8 * PARKER PEAK 9400 28.9 23.5 123 -M 18.0 * SYLVAN LAKE 8420 22.6 24.2 93 28.1 23.0 122 THUMB DIVIDE 7980 19.3 18.4 105 22.1 20.6 107 TWO OCEAN PLATEAU 9240 -M 30.8 * -M 30.2 * WHISKEY CREEK 6800 19.4 17.7 110 26.1 22.8 114 WHITE MILL 8700 29.7 26.1 114 29.2 29.4 99 WOLVERINE 7650 10.5 10.7 98 14.9 14.1 106 ----- ----- Basin wide percent of average 113 110 WIND RIVER BURROUGHS CREEK 8750 16.7 15.1 111 19.9 17.9 111 COLD SPRINGS 9630 6.8 6.6 103 11.0 12.3 89 DEER PARK 9700 16.7 17.6 95 22.1 24.5 90 HOBBS PARK 10100 15.3 16.9 91 15.9 14.9 107 LITTLE WARM 9370 10.9 12.4 88 14.7 15.1 97 SOUTH PASS 9040 15.5 17.7 88 19.0 20.7 92 ST. LAWRENCE ALT 8620 6.7 7.1 94 9.0 10.4 87 TOGWOTEE PASS 9580 28.9 26.9 107 31.5 27.1 116 TOWNSEND CREEK 8700 9.1 9.7 94 13.2 13.6 97 ----- ----- Basin wide percent of average 97 100 BIGHORN BASIN BALD MTN. 9380 17.9 22.0 81 16.9 19.4 87 BEAR TRAP MEADOW 8200 9.0 4.4 205 10.0 9.6 104 BLACKWATER 9780 27.9 27.0 103 25.8 22.9 113 BONE SPRINGS DIV 9350 19.1 17.7 108 19.0 16.5 115 EVENING STAR 9200 31.9 32.2 99 36.2 27.9 130 GRAVE SPRINGS 8550 10.9 10.8 101 11.4 11.6 98 KIRWIN 9550 13.1 12.4 106 15.8 12.7 124 MARQUETTE 8760 7.7 10.6 73 10.7 11.7 91 MIDDLE POWDER 7760 13.2 14.0 94 10.6 14.1 75 OWL CREEK 8975 5.1 5.1 100 7.4 7.0 106 POWDER RIVER PASS 9480 13.3 11.8 113 15.6 14.1 111 SHELL CREEK 9580 17.3 16.2 107 16.7 15.1 111 SYLVAN LAKE 8420 22.6 24.2 93 28.1 23.0 122 SYLVAN ROAD 7120 13.4 11.6 116 22.8 19.2 119 TIMBER CREEK 7950 5.2 5.6 93 9.0 8.8 102 YOUNTS PEAK 8350 18.0 18.2 99 18.9 17.6 107 ----- ----- Basin wide percent of average 101 109 SHOSHONE RIVER BLACKWATER 9780 27.9 27.0 103 25.8 22.9 113 EVENING STAR 9200 31.9 32.2 99 36.2 27.9 130 KIRWIN 9550 13.1 12.4 106 15.8 12.7 124 MARQUETTE 8760 7.7 10.6 73 10.7 11.7 91 SYLVAN LAKE 8420 22.6 24.2 93 28.1 23.0 122 SYLVAN ROAD 7120 13.4 11.6 116 22.8 19.2 119 YOUNTS PEAK 8350 18.0 18.2 99 18.9 17.6 107 ----- ----- Basin wide percent of average 99 117 POWDER-TONGUE BEAR TRAP MEADOW 8200 9.0 4.4 205 10.0 9.6 104 BIG GOOSE 7990 10.6 12.5 85 13.9 10.9 128 BONE SPRINGS DIV 9350 19.1 17.7 108 19.0 16.5 115 BURGESS JUNCTION 7880 14.3 13.2 108 15.7 13.8 114 CLOUD PEAK RESERVOIR 9860 17.6 15.4 114 17.3 14.9 116 DOME LAKE 8880 12.9 13.9 93 16.6 15.0 111 GRAVE SPRINGS 8550 10.9 10.8 101 11.4 11.6 98 HANSEN SAWMILL 8360 7.3 6.0 122 10.4 9.5 109 MIDDLE POWDER 7760 13.2 14.0 94 10.6 14.1 75 POWDER RIVER PASS 9480 13.3 11.8 113 15.6 14.1 111 SUCKER CREEK 8880 16.5 13.4 123 18.8 15.5 121 TIE CREEK 6870 8.6 5.4 159 13.3 11.7 114 ----- ----- Basin wide percent of average 111 110 BELLE FOURCHE BLIND PARK 6890 8.7 7.4 118 12.7 12.6 101 COLE CANYON 5910 6.9 7.0 99 9.4 7.8 121 NORTH RAPID CREEK 6130 10.0 8.6 116 10.9 9.7 112 ----- ----- Basin wide percent of average 111 110 UPPER N. PLATTE RIVER COLUMBINE 9160 29.0 24.4 119 31.2 27.5 113 DIVIDE PEAK 8880 26.0 20.9 124 26.2 22.6 116 ELK RIVER 8700 28.4 19.3 147 25.5 21.5 119 JOE WRIGHT 10120 27.6 23.9 115 31.3 27.6 113 NORTH FRENCH CREEK 10130 34.9 32.9 106 33.0 27.2 121 OLD BATTLE 10000 37.9 35.0 108 43.6 37.5 116 SAGE CREEK BASIN 7850 19.6 12.1 162 19.1 13.1 146 SOUTH BRUSH CREEK 8440 15.7 13.2 119 19.2 18.3 105 TOWER 10500 48.0 50.0 96 45.5 42.1 108 WEBBER SPRINGS 9250 30.2 26.1 116 34.3 29.2 117 WILLOW CREEK PASS 9540 20.0 13.8 145 18.7 14.3 131 ----- ----- Basin wide percent of average 117 117 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 24.0 26.8 90 25.1 24.7 102 CASPER MTN. 7900 15.4 17.0 91 16.5 17.0 97 DEADMAN HILL 10220 21.1 18.6 113 21.7 19.0 114 DEER PARK 9700 16.7 17.6 95 22.1 24.5 90 LAPRELE CREEK 8375 8.6 10.0 86 13.2 14.5 91 RENO HILL 8400 15.6 16.0 98 18.3 17.6 104 ROACH 9700 22.0 18.4 120 24.9 20.6 121 SAND LAKE 10050 33.0 35.3 93 32.8 26.9 122 SOUTH PASS 9040 15.5 17.7 88 19.0 20.7 92 WINDY PEAK 7900 10.0 7.7 130 11.7 12.0 98 ----- ----- Basin wide percent of average 98 104 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 15.3 8.2 187 18.3 17.4 105 DIVIDE PEAK 8880 26.0 20.9 124 26.2 22.6 116 OLD BATTLE 10000 37.9 35.0 108 43.6 37.5 116 SANDSTONE RS 8150 19.2 13.1 147 23.7 20.3 117 WHISKEY PARK 8950 39.1 30.6 128 39.0 31.4 124 ----- ----- Basin wide percent of average 128 117 UPPER GREEN RIVER BIG SANDY OPENING 9080 13.9 15.3 91 14.1 14.7 96 BLIND BULL SUM 8650 27.4 28.9 95 19.1 24.0 80 EAST RIM DIVIDE 7930 9.4 14.0 67 11.9 13.0 92 ELKHART PARK G.S. 9400 11.1 14.0 79 12.5 14.7 85 GROS VENTRE SUMMIT 8750 13.2 14.6 90 15.0 14.2 106 GUNSIGHT PASS 9820 12.9 -M * 15.2 -M * KENDALL R.S. 7740 11.6 13.3 87 14.7 15.6 94 LOOMIS PARK 8240 17.2 16.9 102 18.8 18.8 100 NEW FORK LAKE 8340 9.6 11.1 86 9.9 12.4 80 SNIDER BASIN 8060 14.4 14.8 97 15.2 17.6 86 SPRING CREEK DIVIDE 9000 23.2 28.7 81 25.4 28.7 89 TRIPLE PEAK 8500 26.6 25.9 103 30.5 27.0 113 ----- ----- Basin wide percent of average 90 93 LOWER GREEN RIVER HAMS FORK 7840 12.7 9.6 132 11.0 13.5 81 HEWINTA 9519 17.0 12.1 140 18.5 16.4 113 HICKERSON PARK 9145 7.4 8.1 91 10.9 9.1 120 HOLE-IN-ROCK 9150 6.5 7.1 92 11.5 8.6 134 INDIAN CREEK 9425 27.3 29.6 92 -M 27.9 * KELLEY R.S. 8180 16.1 17.0 95 19.0 22.2 86 STEEL CREEK PARK 10200 18.3 17.5 105 20.9 18.6 112 ----- ----- Basin wide percent of average 104 104 UPPER BEAR RIVER BUG LAKE 7950 18.9 21.5 88 18.0 21.0 86 HAYDEN FORK 9212 20.5 16.3 126 25.3 23.3 109 KELLEY R.S. 8180 16.1 17.0 95 19.0 22.2 86 LILY LAKE 9156 16.8 14.3 117 19.6 19.6 100 MONTE CRISTO 8960 31.4 30.5 103 28.2 28.1 100 SALT RIVER SUMMIT 7760 13.8 14.1 98 17.1 20.5 83 TRIAL LAKE 9992 24.1 26.5 91 26.4 27.5 96 ----- ----- Basin wide percent of average 101 95 ----------------------------------------------------------------------------- -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 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.