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 FRIDAY: JUNE 4 , 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* 18.4 27.3 67 COTTONWOOD CREEK 7670 4.7 3.9 121 31.4 36.0 87 GRAND TARGHEE 9260 46.1 -M * 39.7 -M * GRANITE CREEK 6770 .1 .0 * 17.5 25.1 70 GRASSY LAKE 7265 9.1 12.3 74 37.5 45.3 83 GROS VENTRE SUMMIT 8750 .2 2.9 7 14.0 17.9 78 GUNSIGHT PASS 9820 8.6 -M * 17.1 -M * LEWIS LAKE DIVIDE 7850 8.5 16.4 52 31.5 45.6 69 PHILLIPS BENCH 8200 7.1 12.7 56 27.0 36.8 73 SALT RIVER SUMMIT 7760 .0 .0 100* 18.0 24.2 74 SNAKE RIVER STATION 6920 .0 .0 100* 23.7 28.6 83 SPRING CREEK DIVIDE 9000 16.8 13.6 124 25.9 33.3 78 THUMB DIVIDE 7980 .2 1.0 20* 19.1 25.0 76 TOGWOTEE PASS 9580 20.4 21.0 97 -M 32.9 * TWO OCEAN PLATEAU 9240 23.8 24.2 98 26.4 36.5 72 WILLOW CREEK 8380 15.3 12.8 120 40.7 42.8 95 ----- ----- Basin wide percent of average 88 78 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 15.1 19.0 79 20.0 27.2 74 BLACK BEAR 8170 20.9 24.4 86 37.9 50.6 75 CANYON 7870 .0 .8 0* 17.3 20.7 84 FISHER CREEK 9100 28.5 29.1 98 35.9 47.0 76 MADISON PLATEAU 7750 7.2 7.5 96 30.0 34.5 87 NORTHEAST ENTRANCE 7350 .0 .3 0* 15.2 17.8 85 PARKER PEAK 9400 15.8 17.3 91 20.3 23.4 87 SYLVAN LAKE 8420 8.8 10.2 86 26.5 29.3 90 THUMB DIVIDE 7980 .2 1.0 20* 19.1 25.0 76 TWO OCEAN PLATEAU 9240 23.8 24.2 98 26.4 36.5 72 WHISKEY CREEK 6800 .0 .6 0* 19.6 27.5 71 WHITE MILL 8700 14.8 17.0 87 25.6 35.4 72 WOLVERINE 7650 .0 .0 100* 11.1 18.5 60 ----- ----- Basin wide percent of average 89 78 WIND RIVER BURROUGHS CREEK 8750 3.2 2.8 114 14.9 22.8 65 COLD SPRINGS 9630 .8 .9 89 19.4 17.3 112 DEER PARK 9700 15.9 7.0 227 28.9 31.2 93 HOBBS PARK 10100 20.5 9.4 218 28.7 21.2 135 LITTLE WARM 9370 .0 1.4 0 15.8 20.2 78 SOUTH PASS 9040 8.8 5.6 157 26.6 26.2 102 ST. LAWRENCE ALT 8620 .0 .5 0* 20.4 15.4 132 TOGWOTEE PASS 9580 20.4 21.0 97 -M 32.9 * TOWNSEND CREEK 8700 4.7 1.5 313 25.4 19.0 134 ----- ----- Basin wide percent of average 148 104 BIGHORN BASIN BALD MTN. 9380 16.8 15.6 108 20.0 25.5 78 BEAR TRAP MEADOW 8200 .0 .0 100* 15.3 14.4 106 BLACKWATER 9780 20.5 23.7 86 24.6 29.2 84 BONE SPRINGS DIV 9350 9.7 7.3 133 18.5 22.6 82 EVENING STAR 9200 15.8 25.5 62 29.4 34.7 85 GRAVE SPRINGS 8550 1.3 1.3 100 19.0 16.3 117 KIRWIN 9550 4.0 5.0 80 17.3 17.8 97 MARQUETTE 8760 4.7 3.7 127 18.6 18.3 102 MIDDLE POWDER 7760 1.1 1.9 58 16.1 19.3 83 OWL CREEK 8975 .0 .4 0* 13.4 11.3 119 POWDER RIVER PASS 9480 2.2 1.7 129 18.8 19.8 95 SHELL CREEK 9580 12.6 9.3 135 19.5 20.8 94 SYLVAN LAKE 8420 8.8 10.2 86 26.5 29.3 90 SYLVAN ROAD 7120 .0 .0 100* 18.9 23.5 80 TIMBER CREEK 7950 .0 .4 0* 16.1 14.6 110 YOUNTS PEAK 8350 2.5 5.8 43 14.9 22.3 67 ----- ----- Basin wide percent of average 89 90 SHOSHONE RIVER BLACKWATER 9780 20.5 23.7 86 24.6 29.2 84 EVENING STAR 9200 15.8 25.5 62 29.4 34.7 85 KIRWIN 9550 4.0 5.0 80 17.3 17.8 97 MARQUETTE 8760 4.7 3.7 127 18.6 18.3 102 SYLVAN LAKE 8420 8.8 10.2 86 26.5 29.3 90 SYLVAN ROAD 7120 .0 .0 100* 18.9 23.5 80 YOUNTS PEAK 8350 2.5 5.8 43 14.9 22.3 67 ----- ----- Basin wide percent of average 76 86 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .0 100* 15.3 14.4 106 BIG GOOSE 7990 2.8 1.4 200 20.4 16.5 124 BONE SPRINGS DIV 9350 9.7 7.3 133 18.5 22.6 82 BURGESS JUNCTION 7880 4.9 1.9 258 19.0 18.7 102 CLOUD PEAK RESERVOIR 9860 13.5 6.6 205 22.4 22.0 102 DOME LAKE 8880 2.9 2.7 107 21.6 20.8 104 GRAVE SPRINGS 8550 1.3 1.3 100 19.0 16.3 117 HANSEN SAWMILL 8360 .0 .1 0* 16.3 14.4 113 MIDDLE POWDER 7760 1.1 1.9 58 16.1 19.3 83 POWDER RIVER PASS 9480 2.2 1.7 129 18.8 19.8 95 SUCKER CREEK 8880 9.8 3.0 327 24.2 21.8 111 TIE CREEK 6870 .0 .0 100* 20.7 17.5 118 ----- ----- Basin wide percent of average 173 104 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 20.9 18.2 115 COLE CANYON 5910 .0 .0 100* 19.9 13.2 151 NORTH RAPID CREEK 6130 .0 .0 100* 19.1 14.3 134 ----- ----- Basin wide percent of average * 131 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 1.3 0* 30.7 32.4 95 DIVIDE PEAK 8880 .8 2.9 28 32.7 27.6 118 ELK RIVER 8700 .1 1.0 10* 27.5 26.1 105 JOE WRIGHT 10120 14.5 15.7 92 31.6 35.1 90 NORTH FRENCH CREEK 10130 35.1 22.3 157 46.1 34.5 134 OLD BATTLE 10000 35.1 24.0 146 48.6 44.4 109 SAGE CREEK BASIN 7850 .0 1.7 0 18.4 16.0 115 SOUTH BRUSH CREEK 8440 .1 1.4 7 28.5 23.8 120 TOWER 10500 30.4 40.6 75 45.8 50.2 91 WEBBER SPRINGS 9250 10.4 5.4 193 37.8 34.8 109 WILLOW CREEK PASS 9540 .5 2.5 20 18.4 19.0 97 ----- ----- Basin wide percent of average 107 106 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 12.8 10.3 124 30.6 31.3 98 CASPER MTN. 7900 .6 3.6 17 22.1 24.2 91 DEADMAN HILL 10220 18.8 10.1 186 26.9 24.8 108 DEER PARK 9700 15.9 7.0 227 28.9 31.2 93 LAPRELE CREEK 8375 .0 .6 0* 19.9 20.3 98 RENO HILL 8400 2.8 3.0 93 28.0 24.9 112 ROACH 9700 6.3 5.2 121 29.9 26.6 112 SAND LAKE 10050 34.7 24.1 144 42.1 34.5 122 SOUTH PASS 9040 8.8 5.6 157 26.6 26.2 102 WINDY PEAK 7900 .2 .0 * 20.3 17.3 117 ----- ----- Basin wide percent of average 145 105 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 20.9 21.1 99 DIVIDE PEAK 8880 .8 2.9 28 32.7 27.6 118 OLD BATTLE 10000 35.1 24.0 146 48.6 44.4 109 SANDSTONE RS 8150 .1 .0 * 24.0 24.9 96 WHISKEY PARK 8950 10.6 11.8 90 41.5 38.0 109 ----- ----- Basin wide percent of average 120 108 UPPER GREEN RIVER BIG SANDY OPENING 9080 .1 .5 20* 14.1 18.8 75 BLIND BULL SUM 8650 15.6 16.7 93 19.4 28.3 69 EAST RIM DIVIDE 7930 .2 .5 40* 10.5 16.2 65 ELKHART PARK G.S. 9400 .2 2.5 8 13.0 19.2 68 GROS VENTRE SUMMIT 8750 .2 2.9 7 14.0 17.9 78 GUNSIGHT PASS 9820 8.6 -M * 17.1 -M * KENDALL R.S. 7740 .2 .0 * 12.7 18.8 68 LOOMIS PARK 8240 .2 1.4 14* 14.4 22.6 64 NEW FORK LAKE 8340 .0 .0 100* 10.8 16.0 68 POCKET CREEK 9360 .4 -M * 15.7 -M * SNIDER BASIN 8060 .1 .0 * 16.8 20.6 82 SPRING CREEK DIVIDE 9000 16.8 13.6 124 25.9 33.3 78 TRIPLE PEAK 8500 6.6 3.2 206 29.7 32.1 93 ----- ----- Basin wide percent of average 97* 74 LOWER GREEN RIVER HAMS FORK 7840 .5 .0 * 15.6 17.1 91 HEWINTA 9519 .0 .4 0* 18.1 20.4 89 HICKERSON PARK 9145 .0 .0 100* 16.1 12.7 127 HOLE-IN-ROCK 9150 .0 .0 100* 15.4 12.4 124 INDIAN CREEK 9425 15.6 13.5 116 25.0 32.6 77 KELLEY R.S. 8180 .3 .5 60* 20.1 26.4 76 STEEL CREEK PARK 10200 16.1 10.8 149 22.7 23.4 97 ----- ----- Basin wide percent of average 129* 92 UPPER BEAR RIVER BUG LAKE 7950 .2 2.0 10* 21.9 25.3 87 HAYDEN FORK 9212 .1 1.0 10* 25.2 28.6 88 KELLEY R.S. 8180 .3 .5 60* 20.1 26.4 76 LILY LAKE 9156 .1 1.1 9* 21.1 24.3 87 MONTE CRISTO 8960 12.3 11.2 110 28.3 34.2 83 SALT RIVER SUMMIT 7760 .0 .0 100* 18.0 24.2 74 TRIAL LAKE 9992 9.9 13.3 74 23.8 33.6 71 ----- ----- Basin wide percent of average 79* 81 ----------------------------------------------------------------------------- -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.