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 SATURDAY: MARCH 20 , 2010 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WASHINGTON SPOKANE HOODOO BASIN 6050 18.6 43.1 43 24.3 47.5 51 HUMBOLDT GULCH 4250 4.8 12.1 40 19.7 35.0 56 LOOKOUT 5140 14.1 30.1 47 20.8 38.5 54 LOST LAKE 6110 27.2 56.6 48 31.5 55.7 57 MICA CREEK 4510 13.8 25.5 54 24.6 37.2 66 MOSQUITO RIDGE 5200 22.9 34.3 67 28.1 41.3 68 QUARTZ PEAK 4700 15.6 21.3 73 26.7 30.7 87 RAGGED MOUNTAIN 4210 -M -M * 25.1 -M * SHERWIN 3200 -M 10.9 * -M 27.4 * SUNSET 5540 11.7 29.6 40 20.7 33.3 62 ----- ----- Basin wide percent of average 51 62 UPPER COLUMBIA BUNCHGRASS MDW 5000 22.9 28.1 81 29.2 32.5 90 HARTS PASS 6490 30.1 43.9 69 29.8 39.0 76 MOSES MTN 5010 14.4 15.9 91 14.1 17.9 79 SALMON MEADOWS 4460 11.7 11.1 105 12.3 13.4 92 SENTINEL BUTTE 4680 10.2 9.0 113 11.5 12.5 92 ----- ----- Basin wide percent of average 83 84 CENTRAL COLUMBIA BLEWETT PASS 4240 11.2 16.5 68 19.3 28.7 67 LYMAN LAKE 5980 44.5 61.7 72 -M 59.4 * MINERS RIDGE 6110 28.4 50.7 56 41.4 57.3 72 PARK CREEK RIDGE 4600 39.6 47.0 84 46.9 54.8 86 POPE RIDGE 3590 14.6 19.4 75 23.7 29.1 81 STEVENS PASS 3950 25.7 41.9 61 49.0 66.9 73 TROUGH 5480 15.2 10.1 150 17.7 19.1 93 UPPER WHEELER 4330 11.1 12.8 87 15.6 19.3 81 ----- ----- Basin wide percent of average 73 78 UPPER YAKIMA FISH LAKE 3430 20.3 33.7 60 35.8 47.6 75 GROUSE CAMP 5390 17.0 19.4 88 22.0 24.2 91 OLALLIE MEADOWS 4030 38.7 53.2 73 69.7 94.2 74 SASSE RIDGE 4340 24.7 35.0 71 35.9 49.4 73 STAMPEDE PASS 3850 19.1 42.8 45 42.8 70.0 61 ----- ----- Basin wide percent of average 65 72 LOWER YAKIMA CAYUSE PASS 5240 43.1 -M * 39.5 -M * BUMPING RIDGE 4610 21.0 27.7 76 36.8 49.0 75 GREEN LAKE 5920 20.1 21.9 92 23.8 30.0 79 INDIAN ROCK 5360 27.6 -M * 38.4 -M * LOST HORSE 5120 18.7 19.1 98 21.9 25.5 86 MORSE LAKE 5410 49.9 52.8 95 58.1 64.5 90 PIGTAIL PEAK 5800 35.0 50.0 70 45.0 59.6 76 POTATO HILL 4510 22.8 24.9 92 43.5 48.5 90 WHITE PASS E.S. 4440 14.7 23.6 62 25.8 35.7 72 ----- ----- Basin wide percent of average 83 81 WALLA WALLA HIGH RIDGE 4920 15.6 22.6 69 23.8 34.6 69 MILK SHAKES 5580 28.4 -M * 34.9 -M * TOUCHET 5530 19.0 32.5 58 28.4 40.2 71 ----- ----- Basin wide percent of average 63 70 LOWER SNAKE ANEROID LAKE #2 7400 14.1 23.9 59 21.0 28.7 73 COOL CREEK 6280 22.5 46.6 48 27.0 52.9 51 CRATER MEADOWS 5960 26.2 43.1 61 29.8 42.3 70 ELK BUTTE 5690 19.6 38.1 51 24.1 41.9 58 HEMLOCK BUTTE 5810 26.7 45.3 59 27.6 46.0 60 HIGH RIDGE 4920 15.6 22.6 69 23.8 34.6 69 HOODOO BASIN 6050 18.6 43.1 43 24.3 47.5 51 LOLO PASS 5240 13.7 29.2 47 17.1 32.4 53 LOST LAKE 6110 27.2 56.6 48 31.5 55.7 57 MILK SHAKES 5580 28.4 -M * 34.9 -M * MOSCOW MOUNTAIN 4700 12.2 -M * 20.4 -M * MOSS SPRINGS 5760 18.6 25.1 74 24.2 32.0 76 MOUNTAIN MEADOWS 6360 12.6 22.2 57 15.8 23.9 66 MT. HOWARD 7910 12.9 15.0 86 18.2 26.0 70 SAVAGE PASS 6170 13.1 24.9 53 17.3 27.6 63 SCHNEIDER MEADOWS 5400 23.7 29.5 80 28.8 35.1 82 SHANGHI SUMMIT 4570 13.3 25.7 52 23.2 37.3 62 SHERWIN 3200 -M 10.9 * -M 27.4 * SOURDOUGH GULCH 4000 .0 -M * 6.8 -M * SPRUCE SPRINGS 5700 7.8 -M * 16.6 -M * TAYLOR GREEN 5740 18.4 21.2 87 21.7 25.9 84 TWIN LAKES 6400 18.4 38.0 48 24.5 43.9 56 ----- ----- Basin wide percent of average 57 63 LOWER COLUMBIA BLAZED ALDER 3650 10.8 31.3 35 59.7 89.1 67 CALAMITY 2500 .0 -M * -M -M * CAYUSE PASS 5240 43.1 -M * 39.5 -M * CLEAR LAKE 3810 2.4 14.0 17 23.8 34.3 69 GREENPOINT 3310 9.3 18.4 51 41.6 60.5 69 INDIAN ROCK 5360 27.6 -M * 38.4 -M * JUNE LAKE 3440 22.9 35.9 64 103.8 130.2 80 LONE PINE 3930 28.0 34.9 80 65.3 74.7 87 MT HOOD TEST SITE 5370 35.6 54.5 65 54.1 78.6 69 MUD RIDGE 4070 15.4 23.8 65 35.7 51.2 70 NORTH FORK 3060 4.2 16.2 26 80.8 107.9 75 PARADISE 5130 48.2 67.0 72 67.7 84.6 80 PEPPER CREEK 2140 .2 -M * 29.3 -M * PIGTAIL PEAK 5800 35.0 50.0 70 45.0 59.6 76 POTATO HILL 4510 22.8 24.9 92 43.5 48.5 90 RED HILL 4410 29.4 44.4 66 55.2 85.6 64 SHEEP CANYON 3990 17.9 35.6 50 83.6 95.2 88 SOUTH FORK BULL RUN 2690 .0 2.5 0 62.5 80.0 78 SPENCER MEADOW 3400 19.1 30.9 62 62.5 72.5 86 SPIRIT LAKE 3520 .4 4.7 9 55.4 70.1 79 SURPRISE LAKES 4290 36.8 43.9 84 61.6 77.1 80 SWIFT CREEK 4440 55.1 52.7 105 105.2 121.9 86 ----- ----- Basin wide percent of average 67 78 SOUTH PUGET SOUND BURNT MOUNTAIN 4170 6.1 14.6 42 37.1 52.7 70 CAYUSE PASS 5240 43.1 -M * 39.5 -M * CORRAL PASS 5800 21.8 32.7 67 32.3 43.9 74 COUGAR MOUNTAIN 3200 1.1 17.9 6 47.6 71.6 66 HUCKLEBERRY CREEK 2250 .1 1.1 9 21.0 33.5 63 MOWICH 3160 .1 1.2 8 29.0 39.3 74 PARADISE 5130 48.2 67.0 72 67.7 84.6 80 STAMPEDE PASS 3850 19.1 42.8 45 42.8 70.0 61 ----- ----- Basin wide percent of average 54 70 CENTRAL PUGET SOUND ALPINE MEADOWS 3500 23.3 40.5 58 87.9 103.0 85 MEADOWS PASS 3230 10.6 23.7 45 47.3 73.1 65 MOUNT GARDNER 2920 1.0 14.5 7 56.1 78.2 72 OLALLIE MEADOWS 4030 38.7 53.2 73 69.7 94.2 74 REX RIVER 3810 17.2 29.4 59 57.7 78.6 73 SKOOKUM CREEK 3310 1.9 24.6 8 79.2 96.3 82 STAMPEDE PASS 3850 19.1 42.8 45 42.8 70.0 61 STEVENS PASS 3950 25.7 41.9 61 49.0 66.9 73 TINKHAM CREEK 2990 13.1 28.7 46 54.0 80.4 67 ----- ----- Basin wide percent of average 50 73 NORTH PUGET SOUND BEAVER PASS 3630 29.5 36.7 80 57.2 58.6 98 BROWN TOP 5800 56.5 -M * 57.8 -M * EASY PASS 5270 80.7 -M * 78.4 -M * ELBOW LAKE 3040 17.7 36.0 49 110.0 101.4 108 HARTS PASS 6490 30.1 43.9 69 29.8 39.0 76 HOZOMEEN CAMP 1690 -M -M * 32.8 32.9 100 MARTEN RIDGE 3520 38.2 -M * 112.2 -M * MF NOOKSACK 4970 39.7 61.5 65 77.5 80.1 97 RAINY PASS 4890 26.6 41.9 63 28.3 43.4 65 SWAMP CREEK 3930 10.9 17.5 62 21.4 33.2 64 THUNDER BASIN 4320 25.2 32.8 77 42.8 53.6 80 WELLS CREEK 4030 24.3 31.8 76 57.2 53.8 106 ----- ----- Basin wide percent of average 68 92 OLYMPIC BUCKINGHORSE 4870 59.5 -M * 115.2 -M * DUNGENESS 4010 5.3 9.7 55 48.6 30.7 158 MOUNT CRAG 3960 29.9 30.4 98 71.1 51.2 139 WATERHOLE 5010 36.1 34.3 105 62.9 49.2 128 ----- ----- Basin wide percent of average 96 139 ----------------------------------------------------------------------------- -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.