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 WEDNESDAY: MAY 22 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ UPPER COLORADO RIVER BASIN UPPER GREEN RIVER BASIN BIG SANDY OPENING 9080 .0 1.1 0* 13.1 17.0 77 BLACKS FORK JCT 8870 .2 -M * 13.7 -M * BLIND BULL SUM 8650 13.4 18.8 71 17.8 23.4 76 BUCK PASTURE 9700 2.3 -M * 19.7 -M * EAST RIM DIVIDE 7930 .0 .0 * 11.2 14.3 78 EF BLACKS FORK GS 9308 .0 -M * 15.6 -M * ELKHART PARK G.S. 9400 .0 4.7 0 12.4 17.0 73 GROS VENTRE SUMMIT 8750 .0 4.2 0 14.2 16.3 87 GUNSIGHT PASS 9820 5.9 9.3 63 15.3 17.8 86 HAMS FORK 7840 .0 .0 * 12.1 14.6 83 HEWINTA 9519 .0 .0 * 15.9 17.9 89 HICKERSON PARK 9145 .1 .0 * 13.5 13.6 99 HOLE-IN-ROCK 9150 .0 .0 * 14.1 13.2 107 INDIAN CREEK 9425 10.6 17.0 62 22.6 27.2 83 KELLEY R.S. 8180 .0 1.2 0* 17.0 22.0 77 KENDALL R.S. 7740 .0 .0 * 12.6 16.9 75 KING'S CABIN 8724 .3 .0 * 14.6 17.0 86 LOOMIS PARK 8240 .0 1.0 0* 16.5 20.7 80 NEW FORK LAKE 8340 .0 .0 * 9.0 13.7 66 POCKET CREEK 9360 -M -M * 12.3 -M * SNIDER BASIN 8060 .0 .0 * 15.7 16.9 93 SPIRIT LK 10223 2.7 -M * 19.1 -M * SPRING CREEK DIVIDE 9000 15.0 19.0 79 26.3 28.3 93 STEEL CREEK PARK 10200 11.0 13.7 80 19.8 21.2 93 TRIPLE PEAK 8500 2.3 6.4 36 28.2 30.4 93 TROUT CREEK 9518 .1 .0 * 16.2 17.5 93 ----- ----- Basin wide percent 61* 85 DUCHESNE RIVER BASIN BROWN DUCK 10600 9.3 13.7 68 19.0 24.4 78 CHEPETA 10592 1.6 .1 1600* 16.6 19.8 84 CURRANT CREEK 8000 .3 .0 * 12.1 16.8 72 DANIELS-STRAWBERRY 8037 .1 .0 * 15.9 24.0 66 FIVE POINTS LAKE 10940 6.7 10.0 67 20.2 23.4 86 INDIAN CANYON 9175 .0 .0 * 13.0 17.7 73 KING'S CABIN 8724 .3 .0 * 14.6 17.0 86 LAKEFORK #1 10415 .1 .0 * 15.3 16.9 91 LAKEFORK #3 8464 .2 -M * 11.3 -M * LAKEFORK BASIN 10966 15.1 16.8 90 24.9 25.8 97 MOSBY MTN. 9510 .0 .0 * 16.4 18.9 87 ROCK CREEK 7889 .1 .0 * 11.4 14.7 78 STRAWBERRY DIVIDE 8123 .0 .0 * 15.1 24.3 62 TRIAL LAKE 9992 9.7 14.9 65 22.4 29.5 76 WHITE RIVER #1 8641 .2 .0 * 13.6 17.7 77 ----- ----- Basin wide percent 78* 79 YAMPA/WHITE RIVER BASINS BATTLE MOUNTAIN 7440 .3 .0 * 14.2 18.7 76 BEAR RIVER 9080 2.6 .0 * 16.0 17.0 94 BISON LAKE 10880 16.4 24.3 67 27.7 32.7 85 BUFFALO PARK 9240 -M .0 * 19.6 20.1 98 BURRO MOUNTAIN 9400 .4 2.0 20 20.1 26.5 76 COLUMBINE 9160 .0 .6 0* 27.9 30.7 91 CROSHO 9100 .1 .0 * 21.0 20.1 104 DIVIDE PEAK 8880 -M 3.9 * 22.9 26.6 86 DRY LAKE 8400 .1 .0 * 26.3 31.0 85 ELK RIVER 8700 .0 .0 * 20.6 24.7 83 LITTLE SNAKE RIVER 8915 7.1 11.0 65 30.7 35.2 87 LOST DOG 9320 6.4 7.8 82 24.0 29.1 82 LYNX PASS 8880 .0 .0 * 17.2 16.6 104 OLD BATTLE 10000 24.8 31.8 78 34.1 42.3 81 RABBIT EARS 9400 11.4 16.3 70 34.7 37.3 93 RIPPLE CREEK 10340 19.4 16.8 115 29.6 32.1 92 SAGE CREEK BASIN 7850 .0 .0 * 12.3 17.5 70 SANDSTONE RS 8150 .1 .0 * 15.2 22.6 67 TOWER 10500 32.5 46.9 69 -M 48.1 * TRAPPER LAKE 9700 .4 5.6 7 21.4 25.8 83 WHISKEY PARK 8950 11.8 20.0 59 31.6 34.0 93 ----- ----- Basin wide percent 73* 86 PRICE-SAN RAFAEL BUCK FLAT 9430 .2 .0 * 18.1 23.3 78 CLEAR CREEK #1 8908 .9 .0 * 27.1 24.4 111 HUNTINGTON HORSE 9657 .8 -M * 19.3 -M * MAMMOTH-COTTONWOOD 8727 .3 .0 * 16.9 20.4 83 RED PINE RIDGE 9009 .0 .0 * 16.9 24.0 70 SEELEY CREEK 9910 1.4 3.0 47 13.6 18.3 74 TIMBERLINE 8684 .0 -M * 13.5 -M * UPPER JOES VALLEY 8681 .0 -M * 12.7 -M * WHITE RIVER #1 8641 .2 .0 * 13.6 17.7 77 WRIGLEY CREEK 9162 .6 -M * 12.9 -M * ----- ----- Basin wide percent 100* 83 ESCALANTE RIVER BASINS CLAYTON SPRINGS 10049 .0 .0 * 15.2 19.6 78 DONKEY RESERVOIR 9800 .0 .0 * 10.1 12.7 80 WIDTSOE #3 9640 .0 .0 * 16.3 17.7 92 ----- ----- Basin wide percent * 83 DIRTY DEVIL RIVER BASIN BLACK FLAT-U.M. CK 9462 .0 .0 * 10.5 14.8 71 DILL'S CAMP 9182 .9 .0 * 17.9 21.2 84 DONKEY RESERVOIR 9800 .0 .0 * 10.1 12.7 80 FISH LAKE UTAH 8818 .0 -M * 9.4 -M * ----- ----- Basin wide percent * 79 UPPER COLORADO RIVER HEADWATERS ARAPAHO RIDGE 10960 16.2 16.5 98 25.9 28.5 91 ARROW 9680 -M 3.9 * 11.9 18.8 63 BEAVER CK VILLAGE 8500 .0 .0 * 17.0 18.5 92 BERTHOUD SUMMIT 11300 19.1 15.2 126 29.0 29.8 97 BISON LAKE 10880 16.4 24.3 67 27.7 32.7 85 BUFFALO PARK 9240 -M .0 * 19.6 20.1 98 COLUMBINE 9160 .0 .6 0* 27.9 30.7 91 COPPER MOUNTAIN 10550 9.4 5.7 165 19.3 20.8 93 ELLIOT RIDGE 10520 12.6 -M * 26.9 -M * FOOL CREEK 11150 19.8 -M * 23.4 -M * FREMONT PASS 11400 17.4 17.9 97 20.8 19.5 107 GRIZZLY PEAK 11100 12.2 7.7 158 20.3 22.6 90 HOOSIER PASS 11400 12.8 8.4 152 21.3 20.1 106 LAKE IRENE 10700 18.0 17.9 101 26.9 26.6 101 LYNX PASS 8880 .0 .0 * 17.2 16.6 104 PHANTOM VALLEY 9030 .6 .0 * 17.6 17.6 100 STILLWATER CREEK 8720 .1 .0 * 13.1 13.4 98 SUMMIT RANCH 9400 .0 .0 * 17.3 17.4 99 VAIL MOUNTAIN 10300 5.5 13.9 40 20.4 28.7 71 WILLOW CREEK PASS 9540 11.6 8.2 141 20.5 17.5 117 ----- ----- Basin wide percent 102 93 ROARING FORK RIVER BASIN CHAPMAN TUNNEL 10110 7.6 -M * 18.7 -M * INDEPENDENCE PASS 10600 4.0 3.6 111 20.0 22.9 87 IVANHOE 10400 11.4 3.7 308 25.0 27.0 93 KILN 9600 .0 .0 * 16.4 18.4 89 MC CLURE PASS 9500 .0 .0 * 17.5 25.3 69 NAST LAKE 8700 .0 .0 * 13.5 15.4 88 NORTH LOST TRAIL 9200 .2 .0 * 23.1 26.6 87 SCHOFIELD PASS 10700 18.0 20.9 86 30.3 38.6 78 ----- ----- Basin wide percent 119* 84 SOUTH EASTERN UTAH BUCKBOARD FLAT 8998 .0 -M * 11.4 -M * CAMP JACKSON 8968 .1 .0 * 15.4 20.4 75 EAST WILLOW CREEK 8301 .2 .0 * 10.7 13.8 78 LASAL MOUNTAIN 9560 .0 .0 * 19.3 24.2 80 LASAL MOUNTAIN-LOWER 8825 .3 -M * 12.2 -M * ----- ----- Basin wide percent * 78 GUNNISON RIVER BASIN BUTTE 10160 .0 .0 * 15.5 19.4 80 COCHETOPA PASS 10020 .0 .0 * 7.3 9.6 76 COLUMBINE PASS 9400 .0 .0 * 20.7 27.1 76 IDARADO 9800 .0 .0 * 15.9 23.4 68 MC CLURE PASS 9500 .0 .0 * 17.5 25.3 69 MESA LAKES 10000 4.9 3.1 158 24.4 26.5 92 OVERLAND RES. 9840 .3 .0 * 15.6 20.1 78 PARK CONE 9600 .0 .0 * 13.1 14.8 89 PARK RESERVOIR 9960 14.4 20.0 72 25.0 32.9 76 PORPHYRY CREEK 10760 2.6 3.5 74 14.5 19.8 73 RED MOUNTAIN PASS 11200 2.3 14.3 16 22.3 32.2 69 SARGENTS MESA 11530 4.0 -M * 14.0 -M * SCHOFIELD PASS 10700 18.0 20.9 86 30.3 38.6 78 SLUMGULLION 11440 .7 5.7 12 13.4 17.3 77 UPPER TAYLOR 10640 1.4 -M * 19.1 -M * WAGER GULCH 11100 .0 -M * 10.8 -M * ----- ----- Basin wide percent 64* 77 DOLORES/SAN MIGUEL RIVER BASINS BLACK MESA 11580 13.9 -M * 22.9 -M * EL DIENTE PEAK 10000 .0 .0 * 17.6 24.3 72 LIZARD HEAD PASS 10200 .0 .2 0* 12.8 20.6 62 LONE CONE 9600 .0 .0 * 17.6 24.3 72 MANCOS 10000 .0 .0 * 15.4 20.9 74 MINERAL CREEK 10040 .0 .0 * 13.5 21.8 62 RED MOUNTAIN PASS 11200 2.3 14.3 16 22.3 32.2 69 SCOTCH CREEK 9100 .2 .0 * 14.2 21.2 67 SHARKSTOOTH 10720 .0 4.0 0 19.1 -M * ----- ----- Basin wide percent 14* 69 SAN JUAN RIVER HEADWATERS BEARTOWN 11600 .1 10.8 1 19.7 29.5 67 CHAMITA 8400 -M .0 * 10.0 16.5 61 LILY POND 11000 .0 .0 * 13.8 23.9 58 MIDDLE CREEK 11250 .0 9.8 0 20.3 28.2 72 STUMP LAKES 11200 1.3 11.1 12 15.1 24.0 63 UPPER SAN JUAN 10200 .3 14.2 2 27.7 40.0 69 VALLECITO 10880 .5 .0 * 15.9 22.0 72 WEMINUCHE CREEK 10740 .0 -M * 20.6 -M * WOLF CREEK SUMMIT 11000 12.2 28.6 43 27.1 38.1 71 ----- ----- Basin wide percent 19 67 ANIMAS RIVER BASIN BEARTOWN 11600 .1 10.8 1 19.7 29.5 67 CASCADE 8880 .1 .0 * 15.1 23.8 63 CASCADE #2 8920 .0 .0 * 13.8 22.5 61 COLUMBUS BASIN 10785 2.2 12.7 17 20.8 32.6 64 MINERAL CREEK 10040 .0 .0 * 13.5 21.8 62 MOLAS LAKE 10500 .1 .3 33* 16.2 24.0 68 RED MOUNTAIN PASS 11200 2.3 14.3 16 22.3 32.2 69 SPUD MOUNTAIN 10660 .0 3.1 0 23.6 34.9 68 STUMP LAKES 11200 1.3 11.1 12 15.1 24.0 63 ----- ----- Basin wide percent 12 65 COLORADO RIVER BASIN ABOVE LAKE POWELL (TOTAL OF ALL SNOTEL SITES) ARAPAHO RIDGE 10960 16.2 16.5 98 25.9 28.5 91 ARROW 9680 -M 3.9 * 11.9 18.8 63 BATTLE MOUNTAIN 7440 .3 .0 * 14.2 18.7 76 BEAR RIVER 9080 2.6 .0 * 16.0 17.0 94 BEARTOWN 11600 .1 10.8 1 19.7 29.5 67 BEAVER CK VILLAGE 8500 .0 .0 * 17.0 18.5 92 BERTHOUD SUMMIT 11300 19.1 15.2 126 29.0 29.8 97 BIG SANDY OPENING 9080 .0 1.1 0* 13.1 17.0 77 BISON LAKE 10880 16.4 24.3 67 27.7 32.7 85 BLACK FLAT-U.M. CK 9462 .0 .0 * 10.5 14.8 71 BLACK MESA 11580 13.9 -M * 22.9 -M * BLACKS FORK JCT 8870 .2 -M * 13.7 -M * BLIND BULL SUM 8650 13.4 18.8 71 17.8 23.4 76 BROWN DUCK 10600 9.3 13.7 68 19.0 24.4 78 BUCK FLAT 9430 .2 .0 * 18.1 23.3 78 BUCK PASTURE 9700 2.3 -M * 19.7 -M * BUCKBOARD FLAT 8998 .0 -M * 11.4 -M * BUFFALO PARK 9240 -M .0 * 19.6 20.1 98 BURRO MOUNTAIN 9400 .4 2.0 20 20.1 26.5 76 BUTTE 10160 .0 .0 * 15.5 19.4 80 CAMP JACKSON 8968 .1 .0 * 15.4 20.4 75 CASCADE 8880 .1 .0 * 15.1 23.8 63 CASCADE #2 8920 .0 .0 * 13.8 22.5 61 CHAMITA 8400 -M .0 * 10.0 16.5 61 CHAPMAN TUNNEL 10110 7.6 -M * 18.7 -M * CHEPETA 10592 1.6 .1 1600* 16.6 19.8 84 CLAYTON SPRINGS 10049 .0 .0 * 15.2 19.6 78 COCHETOPA PASS 10020 .0 .0 * 7.3 9.6 76 COLUMBINE 9160 .0 .6 0* 27.9 30.7 91 COLUMBINE PASS 9400 .0 .0 * 20.7 27.1 76 COLUMBUS BASIN 10785 2.2 12.7 17 20.8 32.6 64 COPPER MOUNTAIN 10550 9.4 5.7 165 19.3 20.8 93 CROSHO 9100 .1 .0 * 21.0 20.1 104 CUMBRES TRESTLE 10040 -M 3.2 * 19.8 30.3 65 CURRANT CREEK 8000 .3 .0 * 12.1 16.8 72 DANIELS-STRAWBERRY 8037 .1 .0 * 15.9 24.0 66 DILL'S CAMP 9182 .9 .0 * 17.9 21.2 84 DIVIDE PEAK 8880 -M 3.9 * 22.9 26.6 86 DONKEY RESERVOIR 9800 .0 .0 * 10.1 12.7 80 DRY LAKE 8400 .1 .0 * 26.3 31.0 85 EAST RIM DIVIDE 7930 .0 .0 * 11.2 14.3 78 EAST WILLOW CREEK 8301 .2 .0 * 10.7 13.8 78 EF BLACKS FORK GS 9308 .0 -M * 15.6 -M * EL DIENTE PEAK 10000 .0 .0 * 17.6 24.3 72 ELK RIVER 8700 .0 .0 * 20.6 24.7 83 ELKHART PARK G.S. 9400 .0 4.7 0 12.4 17.0 73 ELLIOT RIDGE 10520 12.6 -M * 26.9 -M * FISH LAKE UTAH 8818 .0 -M * 9.4 -M * FIVE POINTS LAKE 10940 6.7 10.0 67 20.2 23.4 86 FOOL CREEK 11150 19.8 -M * 23.4 -M * FREMONT PASS 11400 17.4 17.9 97 20.8 19.5 107 GRIZZLY PEAK 11100 12.2 7.7 158 20.3 22.6 90 GROS VENTRE SUMMIT 8750 .0 4.2 0 14.2 16.3 87 GUNSIGHT PASS 9820 5.9 9.3 63 15.3 17.8 86 HAMS FORK 7840 .0 .0 * 12.1 14.6 83 HEWINTA 9519 .0 .0 * 15.9 17.9 89 HICKERSON PARK 9145 .1 .0 * 13.5 13.6 99 HOLE-IN-ROCK 9150 .0 .0 * 14.1 13.2 107 HOOSIER PASS 11400 12.8 8.4 152 21.3 20.1 106 HUNTINGTON HORSE 9657 .8 -M * 19.3 -M * IDARADO 9800 .0 .0 * 15.9 23.4 68 INDEPENDENCE PASS 10600 4.0 3.6 111 20.0 22.9 87 INDIAN CREEK 9425 10.6 17.0 62 22.6 27.2 83 IVANHOE 10400 11.4 3.7 308 25.0 27.0 93 KELLEY R.S. 8180 .0 1.2 0* 17.0 22.0 77 KENDALL R.S. 7740 .0 .0 * 12.6 16.9 75 KILN 9600 .0 .0 * 16.4 18.4 89 KING'S CABIN 8724 .3 .0 * 14.6 17.0 86 LAKE IRENE 10700 18.0 17.9 101 26.9 26.6 101 LAKEFORK #1 10415 .1 .0 * 15.3 16.9 91 LAKEFORK #3 8464 .2 -M * 11.3 -M * LAKEFORK BASIN 10966 15.1 16.8 90 24.9 25.8 97 LASAL MOUNTAIN 9560 .0 .0 * 19.3 24.2 80 LASAL MOUNTAIN-LOWER 8825 .3 -M * 12.2 -M * LILY POND 11000 .0 .0 * 13.8 23.9 58 LIZARD HEAD PASS 10200 .0 .2 0* 12.8 20.6 62 LONE CONE 9600 .0 .0 * 17.6 24.3 72 LOOMIS PARK 8240 .0 1.0 0* 16.5 20.7 80 LOST DOG 9320 6.4 7.8 82 24.0 29.1 82 LYNX PASS 8880 .0 .0 * 17.2 16.6 104 MAMMOTH-COTTONWOOD 8727 .3 .0 * 16.9 20.4 83 MANCOS 10000 .0 .0 * 15.4 20.9 74 MC CLURE PASS 9500 .0 .0 * 17.5 25.3 69 MCCOY PARK 9480 .3 .0 * 22.0 21.2 104 MESA LAKES 10000 4.9 3.1 158 24.4 26.5 92 MIDDLE CREEK 11250 .0 9.8 0 20.3 28.2 72 MIDDLE FORK CAMP 8940 .0 .0 * 19.9 18.2 109 MINERAL CREEK 10040 .0 .0 * 13.5 21.8 62 MOLAS LAKE 10500 .1 .3 33* 16.2 24.0 68 MOSBY MTN. 9510 .0 .0 * 16.4 18.9 87 NAST LAKE 8700 .0 .0 * 13.5 15.4 88 NEW FORK LAKE 8340 .0 .0 * 9.0 13.7 66 NORTH LOST TRAIL 9200 .2 .0 * 23.1 26.6 87 OLD BATTLE 10000 24.8 31.8 78 34.1 42.3 81 OVERLAND RES. 9840 .3 .0 * 15.6 20.1 78 PARK CONE 9600 .0 .0 * 13.1 14.8 89 PARK RESERVOIR 9960 14.4 20.0 72 25.0 32.9 76 PHANTOM VALLEY 9030 .6 .0 * 17.6 17.6 100 POCKET CREEK 9360 -M -M * 12.3 -M * PORPHYRY CREEK 10760 2.6 3.5 74 14.5 19.8 73 RABBIT EARS 9400 11.4 16.3 70 34.7 37.3 93 RED MOUNTAIN PASS 11200 2.3 14.3 16 22.3 32.2 69 RED PINE RIDGE 9009 .0 .0 * 16.9 24.0 70 RIPPLE CREEK 10340 19.4 16.8 115 29.6 32.1 92 ROCK CREEK 7889 .1 .0 * 11.4 14.7 78 SANDSTONE RS 8150 .1 .0 * 15.2 22.6 67 SARGENTS MESA 11530 4.0 -M * 14.0 -M * SCHOFIELD PASS 10700 18.0 20.9 86 30.3 38.6 78 SCOTCH CREEK 9100 .2 .0 * 14.2 21.2 67 SEELEY CREEK 9910 1.4 3.0 47 13.6 18.3 74 SLUMGULLION 11440 .7 5.7 12 13.4 17.3 77 SNIDER BASIN 8060 .0 .0 * 15.7 16.9 93 SPIRIT LK 10223 2.7 -M * 19.1 -M * SPRING CREEK DIVIDE 9000 15.0 19.0 79 26.3 28.3 93 SPUD MOUNTAIN 10660 .0 3.1 0 23.6 34.9 68 STEEL CREEK PARK 10200 11.0 13.7 80 19.8 21.2 93 STILLWATER CREEK 8720 .1 .0 * 13.1 13.4 98 STRAWBERRY DIVIDE 8123 .0 .0 * 15.1 24.3 62 STUMP LAKES 11200 1.3 11.1 12 15.1 24.0 63 SUMMIT RANCH 9400 .0 .0 * 17.3 17.4 99 TIMBERLINE 8684 .0 -M * 13.5 -M * TOWER 10500 32.5 46.9 69 -M 48.1 * TRAPPER LAKE 9700 .4 5.6 7 21.4 25.8 83 TRIAL LAKE 9992 9.7 14.9 65 22.4 29.5 76 TRIPLE PEAK 8500 2.3 6.4 36 28.2 30.4 93 TROUT CREEK 9518 .1 .0 * 16.2 17.5 93 UPPER JOES VALLEY 8681 .0 -M * 12.7 -M * UPPER SAN JUAN 10200 .3 14.2 2 27.7 40.0 69 UPPER TAYLOR 10640 1.4 -M * 19.1 -M * VAIL MOUNTAIN 10300 5.5 13.9 40 20.4 28.7 71 VALLECITO 10880 .5 .0 * 15.9 22.0 72 WAGER GULCH 11100 .0 -M * 10.8 -M * WEMINUCHE CREEK 10740 .0 -M * 20.6 -M * WHISKEY PARK 8950 11.8 20.0 59 31.6 34.0 93 WHITE RIVER #1 8641 .2 .0 * 13.6 17.7 77 WIDTSOE #3 9640 .0 .0 * 16.3 17.7 92 WILLOW CREEK PASS 9540 11.6 8.2 141 20.5 17.5 117 WOLF CREEK SUMMIT 11000 12.2 28.6 43 27.1 38.1 71 WRIGLEY CREEK 9162 .6 -M * 12.9 -M * ----- ----- Basin wide percent 71* 81 ----------------------------------------------------------------------------- -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 wide percent 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. Reference period for comparison of conditions is 1981-2010. Provisional data, subject to revision.