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: JUNE 1 , 2010 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 100* 18.0 27.0 67 COTTONWOOD CREEK 7670 6.9 5.6 123 30.2 35.7 85 GRAND TARGHEE 9260 46.3 -M * 39.0 -M * GRANITE CREEK 6770 .0 1.3 0* 17.0 24.8 69 GRASSY LAKE 7265 11.5 14.9 77 34.8 45.0 77 GROS VENTRE SUMMIT 8750 .3 4.1 7 13.7 17.6 78 GUNSIGHT PASS 9820 9.4 -M * 16.7 -M * LEWIS LAKE DIVIDE 7850 11.8 18.7 63 29.1 45.3 64 PHILLIPS BENCH 8200 9.3 14.6 64 25.9 36.5 71 SALT RIVER SUMMIT 7760 .0 .0 100* 17.4 24.0 73 SNAKE RIVER STATION 6920 .0 .0 100* 21.6 28.3 76 SPRING CREEK DIVIDE 9000 18.8 15.7 120 25.5 33.0 77 THUMB DIVIDE 7980 .2 2.4 8 18.2 24.7 74 TOGWOTEE PASS 9580 22.3 22.4 100 -M 32.6 * TWO OCEAN PLATEAU 9240 24.6 25.6 96 24.8 36.2 69 WILLOW CREEK 8380 17.5 15.1 116 39.3 42.5 92 ----- ----- Basin wide percent of average 88 75 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 16.4 20.6 80 19.5 26.9 72 BLACK BEAR 8170 22.8 26.9 85 35.5 50.2 71 CANYON 7870 .0 1.7 0 16.3 20.4 80 FISHER CREEK 9100 27.9 30.4 92 33.0 46.5 71 MADISON PLATEAU 7750 9.8 9.6 102 27.8 34.2 81 NORTHEAST ENTRANCE 7350 .0 .5 0* 13.9 17.5 79 PARKER PEAK 9400 16.1 18.9 85 19.2 23.1 83 SYLVAN LAKE 8420 9.9 12.1 82 25.4 28.9 88 THUMB DIVIDE 7980 .2 2.4 8 18.2 24.7 74 TWO OCEAN PLATEAU 9240 24.6 25.6 96 24.8 36.2 69 WHISKEY CREEK 6800 .0 1.5 0* 18.7 27.2 69 WHITE MILL 8700 16.2 18.6 87 23.3 35.1 66 WOLVERINE 7650 .0 .0 100* 10.5 18.2 58 ----- ----- Basin wide percent of average 85 74 WIND RIVER BURROUGHS CREEK 8750 5.5 3.8 145 14.5 22.5 64 COLD SPRINGS 9630 1.8 1.1 164 19.2 17.0 113 DEER PARK 9700 17.9 8.5 211 28.9 30.8 94 HOBBS PARK 10100 23.3 10.5 222 28.7 20.9 137 LITTLE WARM 9370 3.5 2.2 159 15.7 19.9 79 SOUTH PASS 9040 11.7 6.8 172 26.6 25.9 103 ST. LAWRENCE ALT 8620 .0 .7 0* 20.4 15.1 135 TOGWOTEE PASS 9580 22.3 22.4 100 -M 32.6 * TOWNSEND CREEK 8700 7.4 1.9 389 25.4 18.7 136 ----- ----- Basin wide percent of average 161 105 BIGHORN BASIN BALD MTN. 9380 18.3 17.0 108 19.5 25.2 77 BEAR TRAP MEADOW 8200 .0 .0 100* 15.2 14.1 108 BLACKWATER 9780 21.7 25.1 86 23.7 28.8 82 BONE SPRINGS DIV 9350 12.2 8.8 139 18.5 22.2 83 EVENING STAR 9200 18.0 27.1 66 28.5 34.3 83 GRAVE SPRINGS 8550 4.1 2.0 205 19.0 16.0 119 KIRWIN 9550 7.4 5.8 128 17.3 17.4 99 MARQUETTE 8760 9.1 4.5 202 18.5 17.9 103 MIDDLE POWDER 7760 3.6 3.0 120 15.7 19.0 83 OWL CREEK 8975 .0 .6 0 13.2 11.0 120 POWDER RIVER PASS 9480 3.9 2.6 150 18.5 19.5 95 SHELL CREEK 9580 14.2 10.9 130 19.6 20.4 96 SYLVAN LAKE 8420 9.9 12.1 82 25.4 28.9 88 SYLVAN ROAD 7120 .0 .1 0* 18.0 23.2 78 TIMBER CREEK 7950 .0 .6 0 16.0 14.3 112 YOUNTS PEAK 8350 5.5 7.6 72 14.4 22.0 65 ----- ----- Basin wide percent of average 100 90 SHOSHONE RIVER BLACKWATER 9780 21.7 25.1 86 23.7 28.8 82 EVENING STAR 9200 18.0 27.1 66 28.5 34.3 83 KIRWIN 9550 7.4 5.8 128 17.3 17.4 99 MARQUETTE 8760 9.1 4.5 202 18.5 17.9 103 SYLVAN LAKE 8420 9.9 12.1 82 25.4 28.9 88 SYLVAN ROAD 7120 .0 .1 0* 18.0 23.2 78 YOUNTS PEAK 8350 5.5 7.6 72 14.4 22.0 65 ----- ----- Basin wide percent of average 87 85 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 15.2 14.1 108 BIG GOOSE 7990 5.6 3.3 170 20.3 16.3 125 BONE SPRINGS DIV 9350 12.2 8.8 139 18.5 22.2 83 BURGESS JUNCTION 7880 7.6 3.1 245 18.8 18.4 102 CLOUD PEAK RESERVOIR 9860 15.0 8.2 183 22.4 21.6 104 DOME LAKE 8880 6.1 3.5 174 21.5 20.5 105 GRAVE SPRINGS 8550 4.1 2.0 205 19.0 16.0 119 HANSEN SAWMILL 8360 .0 .2 0* 16.1 14.0 115 MIDDLE POWDER 7760 3.6 3.0 120 15.7 19.0 83 POWDER RIVER PASS 9480 3.9 2.6 150 18.5 19.5 95 SUCKER CREEK 8880 12.3 4.0 308 24.0 21.4 112 TIE CREEK 6870 .0 .0 100* 20.5 17.1 120 ----- ----- Basin wide percent of average 182 105 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 20.4 17.8 115 COLE CANYON 5910 .0 .0 100* 19.9 12.8 155 NORTH RAPID CREEK 6130 .0 .0 100* 18.5 13.9 133 ----- ----- Basin wide percent of average * 132 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 2.4 0* 30.7 32.1 96 DIVIDE PEAK 8880 3.9 4.1 95 32.6 27.4 119 ELK RIVER 8700 .0 1.5 0* 27.4 25.9 106 JOE WRIGHT 10120 16.9 17.6 96 31.5 34.7 91 NORTH FRENCH CREEK 10130 37.3 24.6 152 46.1 34.2 135 OLD BATTLE 10000 37.4 26.4 142 48.3 44.1 110 SAGE CREEK BASIN 7850 .0 2.4 0 18.3 15.9 115 SOUTH BRUSH CREEK 8440 .0 1.9 0 28.2 23.6 119 TOWER 10500 35.1 43.4 81 45.8 49.9 92 WEBBER SPRINGS 9250 13.5 7.1 190 37.4 34.6 108 WILLOW CREEK PASS 9540 3.8 3.6 106 18.3 18.7 98 ----- ----- Basin wide percent of average 110 107 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 15.3 12.3 124 30.7 31.0 99 CASPER MTN. 7900 3.9 4.5 87 21.9 23.9 92 DEADMAN HILL 10220 20.8 11.7 178 26.9 24.6 109 DEER PARK 9700 17.9 8.5 211 28.9 30.8 94 LAPRELE CREEK 8375 .0 .9 0* 19.7 20.0 99 RENO HILL 8400 6.4 3.7 173 27.8 24.6 113 ROACH 9700 9.6 6.3 152 29.9 26.3 114 SAND LAKE 10050 34.7 26.6 130 42.0 34.2 123 SOUTH PASS 9040 11.7 6.8 172 26.6 25.9 103 WINDY PEAK 7900 .2 .1 200* 20.3 17.0 119 ----- ----- Basin wide percent of average 148 106 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 20.8 20.9 100 DIVIDE PEAK 8880 3.9 4.1 95 32.6 27.4 119 OLD BATTLE 10000 37.4 26.4 142 48.3 44.1 110 SANDSTONE RS 8150 -M .1 * 23.8 24.7 96 WHISKEY PARK 8950 17.9 14.4 124 41.4 37.7 110 ----- ----- Basin wide percent of average 132 108 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 1.9 0 13.9 18.5 75 BLIND BULL SUM 8650 17.3 18.3 95 18.7 28.0 67 EAST RIM DIVIDE 7930 .2 2.0 10 10.1 16.0 63 ELKHART PARK G.S. 9400 .2 3.7 5 12.6 18.9 67 GROS VENTRE SUMMIT 8750 .3 4.1 7 13.7 17.6 78 GUNSIGHT PASS 9820 9.4 -M * 16.7 -M * KENDALL R.S. 7740 .1 .0 * 12.1 18.6 65 LOOMIS PARK 8240 .2 2.8 7 14.1 22.4 63 NEW FORK LAKE 8340 .0 .0 100* 10.3 15.8 65 POCKET CREEK 9360 3.8 -M * 15.6 -M * SNIDER BASIN 8060 .1 .0 * 16.6 20.4 81 SPRING CREEK DIVIDE 9000 18.8 15.7 120 25.5 33.0 77 TRIPLE PEAK 8500 8.7 5.6 155 28.9 31.8 91 ----- ----- Basin wide percent of average 85 73 LOWER GREEN RIVER HAMS FORK 7840 .3 .0 * 15.5 16.9 92 HEWINTA 9519 .0 .7 0* 18.1 20.2 90 HICKERSON PARK 9145 .0 .1 0* 16.1 12.5 129 HOLE-IN-ROCK 9150 .0 .1 0* 15.5 12.2 127 INDIAN CREEK 9425 17.7 15.3 116 24.7 32.4 76 KELLEY R.S. 8180 1.3 1.9 68 19.8 26.1 76 STEEL CREEK PARK 10200 18.2 12.3 148 22.7 23.1 98 ----- ----- Basin wide percent of average 123* 92 UPPER BEAR RIVER BUG LAKE 7950 4.0 3.0 133 21.7 25.1 86 HAYDEN FORK 9212 .0 1.6 0* 25.0 28.4 88 KELLEY R.S. 8180 1.3 1.9 68 19.8 26.1 76 LILY LAKE 9156 .0 1.6 0 21.0 24.0 88 MONTE CRISTO 8960 15.5 13.2 117 28.3 34.0 83 SALT RIVER SUMMIT 7760 .0 .0 100* 17.4 24.0 73 TRIAL LAKE 9992 12.5 15.1 83 23.3 33.2 70 ----- ----- Basin wide percent of average 91 80 ----------------------------------------------------------------------------- -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.