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: MAY 21 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ COLUMBIA RIVER WATER MANAGEMENT GROUP - SNOW PACK REPORT Kootenai River BANFIELD MOUNTAIN 5600 2.8 4.2 67 31.8 28.5 112 BEAR MOUNTAIN 5400 38.7 43.4 89 81.5 73.4 111 GARVER CREEK 4250 .0 .0 * 20.8 20.0 104 GRAVE CREEK 4300 .0 .0 * 39.7 36.0 110 HAND CREEK 5035 .0 .0 * 20.8 20.1 103 HAWKINS LAKE 6450 11.6 20.8 56 39.7 34.3 116 STAHL PEAK 6030 28.0 34.3 82 45.1 44.9 100 ----- ----- Basin wide percent 79 109 Pend Oreille River BARKER LAKES 8250 8.8 13.9 63 17.6 22.6 78 BEAR MOUNTAIN 5400 38.7 43.4 89 81.5 73.4 111 BLACK PINE 7210 .0 2.1 0 13.8 17.2 80 BLACKTAIL MTN 5650 .0 -M * 16.9 -M * COMBINATION 5600 .0 .0 * 10.6 12.1 88 COPPER BOTTOM 5200 .0 -M * 16.0 18.3 87 COPPER CAMP 6950 17.4 -M * 31.1 36.4 85 DALY CREEK 5780 .0 .0 * 14.9 16.7 89 EMERY CREEK 4350 .0 .0 * 34.7 27.9 124 FLATTOP MTN. 6300 40.9 38.7 106 67.6 53.8 126 HAND CREEK 5035 .0 .0 * 20.8 20.1 103 HOODOO BASIN 6050 29.6 32.8 90 53.4 52.5 102 KRAFT CREEK 4750 .0 -M * 33.8 29.7 114 LUBRECHT FLUME 4680 .0 .0 * 10.9 12.8 85 MOSS PEAK 6780 34.9 35.2 99 47.7 44.1 108 N FK ELK CREEK 6250 .0 .0 * 13.5 17.7 76 NEZ PERCE CAMP 5650 .0 .0 * 22.5 23.9 94 NOISY BASIN 6040 31.2 37.4 83 56.6 51.6 110 NORTH FORK JOCKO 6330 30.7 30.9 99 62.3 53.7 116 SADDLE MTN. 7940 12.3 18.5 66 22.0 28.3 78 SCHWEITZER BASIN 6090 39.4 33.1 119 53.7 44.7 120 SKALKAHO SUMMIT 7250 2.7 17.4 16 22.9 27.0 85 STAHL PEAK 6030 28.0 34.3 82 45.1 44.9 100 TWELVEMILE CREEK 5600 .0 .0 * 36.8 35.9 103 TWIN LAKES 6400 18.1 24.4 74 51.5 51.6 100 WARM SPRINGS 7800 11.6 19.9 58 21.9 28.2 78 ----- ----- Basin wide percent 86 102 Spokane River BUNCHGRASS MDW 5000 10.3 14.0 74 43.3 40.6 107 HUMBOLDT GULCH 4250 .0 .0 * 45.3 41.5 109 LOOKOUT 5140 2.1 9.6 22 43.8 43.7 100 MOSQUITO RIDGE 5200 15.2 16.1 94 50.9 48.8 104 QUARTZ PEAK 4700 .0 .0 * 37.3 37.6 99 SHERWIN 3200 .0 .0 * 27.1 32.5 83 SUNSET 5540 2.0 9.3 22 42.0 42.3 99 ----- ----- Basin wide percent 60 101 North Cascades BLEWETT PASS 4240 .0 .0 * 26.7 30.9 86 HARTS PASS 6490 31.3 33.6 93 41.0 -M * LYMAN LAKE 5980 49.1 55.7 88 70.0 69.3 101 PARK CREEK RIDGE 4600 10.7 20.1 53 60.6 60.7 100 POPE RIDGE 3590 .7 .0 * 28.8 30.6 94 RAINY PASS 4890 18.1 26.0 70 50.2 49.2 102 SALMON MEADOWS 4460 .0 .0 * 17.0 16.3 104 UPPER WHEELER 4330 .0 .0 * 19.9 22.6 88 ----- ----- Basin wide percent 81 98 Yakima River BUMPING RIDGE 4610 .0 14.5 0 51.0 54.6 93 FISH LAKE 3430 2.0 11.0 18 54.2 56.3 96 GREEN LAKE 5920 4.5 13.3 34 33.3 32.3 103 GROUSE CAMP 5390 .0 .0 * 27.4 28.2 97 MORSE LAKE 5410 34.2 41.7 82 70.9 73.5 96 PIGTAIL PEAK 5800 42.5 48.3 88 68.8 71.6 96 SASSE RIDGE 4340 10.3 11.4 90 51.0 52.9 96 STAMPEDE PASS 3850 19.2 25.4 76 75.9 77.0 99 TROUGH 5480 .0 .0 * 22.4 22.4 100 WHITE PASS E.S. 4440 3.6 10.4 35 41.4 38.5 108 ----- ----- Basin wide percent 66 98 Snake River Above American Falls BASE CAMP 7030 .0 .0 * 23.1 24.6 94 COTTONWOOD CREEK 7670 1.7 5.4 31 28.5 30.0 95 CRAB CREEK 6860 .0 .4 0* 17.5 20.4 86 GRASSY LAKE 7265 2.2 16.4 13 35.5 41.9 85 GROS VENTRE SUMMIT 8750 .0 4.9 0 14.2 16.2 88 ISLAND PARK 6290 .0 .0 * 18.8 21.7 87 LEWIS LAKE DIVIDE 7850 6.7 21.7 31 34.9 41.1 85 PHILLIPS BENCH 8200 10.3 18.4 56 28.6 33.0 87 SALT RIVER SUMMIT 7760 .0 .0 * 17.2 20.0 86 SOMSEN RANCH 6800 .0 .0 * 18.4 20.0 92 SPRING CREEK DIVIDE 9000 15.7 19.7 80 26.3 28.1 94 TOGWOTEE PASS 9580 15.1 22.9 66 26.6 29.8 89 TWO OCEAN PLATEAU 9240 20.4 28.2 72 29.4 33.0 89 WHITE ELEPHANT 7710 2.6 16.8 15 32.2 35.6 90 WILDHORSE DIVIDE 6490 .0 .0 * 21.1 23.5 90 ----- ----- Basin wide percent 48 89 Boise, Payette, Wood, Lost, Southside Snake ATLANTA SUMMIT 7580 .1 16.4 1 34.2 37.7 91 BANNER SUMMIT 7040 .0 10.9 0 30.2 34.3 88 BEAR CANYON 7900 .0 4.6 0 17.8 20.5 87 BIG BEND 6700 .1 .0 * 11.8 13.6 87 COZY COVE 5380 .0 .0 * 24.0 27.9 86 DOLLARHIDE SUMMIT 8420 10.8 17.8 61 24.1 30.7 79 GALENA SUMMIT 8780 4.1 12.7 32 20.1 24.2 83 HYNDMAN 7440 .1 .0 * 16.4 19.8 83 JACKSON PEAK 7070 .1 14.6 1 -M 37.9 * LOST-WOOD DIVIDE 7900 .0 5.6 0 19.5 25.2 77 MAGIC MOUNTAIN 6880 .0 .0 * 24.0 27.5 87 MORES CREEK SUMMIT 6100 .0 10.7 0 29.5 39.6 74 MUD FLAT 5730 .0 .0 * 9.4 13.6 69 POLE CREEK R.S. 8330 8.0 13.5 59 12.7 15.8 80 SECESH SUMMIT 6520 .2 16.4 1 30.3 38.4 79 SQUAW FLAT 6240 .2 .0 * 39.0 37.1 105 TAYLOR CANYON 6200 .1 .0 * 8.0 10.4 77 TRINITY MTN. 7770 11.4 29.8 38 33.2 45.0 74 ----- ----- Basin wide percent 23 83 Eastern Oregon Snake (malheur To Grande Ronde) ANEROID LAKE #2 7400 18.8 21.6 87 37.6 36.9 102 BEAR SADDLE 6180 .0 .0 * 25.7 30.3 85 BEAVER RESERVOIR 5150 .0 .0 * 21.9 23.7 92 BLUE MOUNTAIN SPRING 5870 .0 .0 * 22.7 29.0 78 BOURNE 5850 .1 .0 * 24.0 26.9 89 EILERTSON MEADOWS 5510 .0 .0 * 22.5 23.4 96 LAKE CREEK R.S. 5240 .2 .0 * 18.7 21.1 89 MOSS SPRINGS 5760 .6 8.0 8 40.5 41.9 97 MT. HOWARD 7910 6.2 11.3 55 33.7 34.8 97 SCHNEIDER MEADOWS 5400 .0 4.7 0 32.6 41.8 78 TAYLOR GREEN 5740 1.1 .0 * 25.5 30.9 83 WOLF CREEK 5630 .0 .0 * 20.1 23.4 86 ----- ----- Basin wide percent 59* 89 Salmon River BANNER SUMMIT 7040 .0 10.9 0 30.2 34.3 88 BIG CREEK SUMMIT 6580 1.5 17.5 9 33.7 40.3 84 BRUNDAGE RESERVOIR 6250 .0 8.1 0 40.8 42.3 96 DARKHORSE LAKE 8600 22.7 29.4 77 29.9 33.6 89 DEADWOOD SUMMIT 6860 16.7 26.6 63 42.7 50.3 85 LEMHI RIDGE 8100 .0 4.1 0 12.7 17.4 73 MILL CREEK SUMMIT 8800 -M 14.2 * 18.5 22.7 81 MOOSE CREEK 6200 .1 .0 * 20.3 23.6 86 MORGAN CREEK 7600 .4 .0 * 16.5 18.3 90 MOUNTAIN MEADOWS 6360 6.6 11.9 55 33.8 34.3 99 SECESH SUMMIT 6520 .2 16.4 1 30.3 38.4 79 VIENNA MINE 8960 15.8 25.2 63 31.2 34.7 90 ----- ----- Basin wide percent 43 87 Clearwater River COOL CREEK 6280 33.5 40.0 84 57.5 61.3 94 CRATER MEADOWS 5960 25.1 26.1 96 60.3 55.9 108 ELK BUTTE 5690 9.0 18.3 49 45.0 50.1 90 HEMLOCK BUTTE 5810 16.9 29.3 58 52.8 58.2 91 HOODOO BASIN 6050 29.6 32.8 90 53.4 52.5 102 LOLO PASS 5240 .1 5.1 2 38.5 38.0 101 LOST LAKE 6110 31.7 42.4 75 64.3 66.4 97 MOUNTAIN MEADOWS 6360 6.6 11.9 55 33.8 34.3 99 NEZ PERCE CAMP 5650 .0 .0 * 22.5 23.9 94 SAVAGE PASS 6170 8.9 11.9 75 42.6 34.8 122 SHANGHI SUMMIT 4570 .0 .0 * 43.6 45.0 97 TWIN LAKES 6400 18.1 24.4 74 51.5 51.6 100 ----- ----- Basin wide percent 74 99 John Day, Umatilla, And Vicinity ARBUCKLE MTN 5770 -M .0 * 28.2 30.2 93 BLUE MOUNTAIN SPRING 5870 .0 .0 * 22.7 29.0 78 BOWMAN SPRINGS 4530 .0 .0 * 20.4 21.4 95 COUNTY LINE 4830 .1 .0 * 14.5 18.3 79 DERR. 5850 .1 .0 * 23.5 25.2 93 EMIGRANT SPRINGS 3800 .0 .0 * -M 28.9 * GOLD CENTER 5410 .0 .0 * 19.8 20.9 95 HIGH RIDGE 4920 .0 .0 * 42.3 42.8 99 LUCKY STRIKE 4970 .0 .0 * 20.7 22.3 93 STARR RIDGE 5250 .0 .0 * 13.5 16.9 80 TIPTON 5150 .7 .0 * 15.7 20.2 78 TOUCHET 5530 .0 5.9 0 49.1 48.9 100 ----- ----- Basin wide percent 15* 91 Deschutes River CASCADE SUMMIT 5100 -M 11.1 * 54.8 58.5 94 DERR. 5850 .1 .0 * 23.5 25.2 93 IRISH TAYLOR 5540 14.1 33.0 43 53.4 60.8 88 NEW CRESCENT LAKE 4910 .0 .0 * 29.6 34.1 87 OCHOCO MEADOWS 5430 .0 .0 * 19.8 23.9 83 SUMMIT LAKE 5610 25.8 38.1 68 61.3 64.7 95 THREE CREEKS MEADOW 5690 .0 1.2 0* 33.2 37.9 88 ----- ----- Basin wide percent 55* 90 Lower Columbia BLAZED ALDER 3650 1.2 5.4 22 102.5 106.3 96 JUNE LAKE 3440 25.8 4.5 573 146.0 148.4 98 LONE PINE 3930 29.3 23.7 124 95.2 86.5 110 MT HOOD TEST SITE 5370 28.3 58.3 49 93.6 92.1 102 MUD RIDGE 4070 .0 2.7 0 60.7 58.6 104 NORTH FORK 3060 1.2 .0 * 130.3 126.5 103 POTATO HILL 4510 9.4 7.7 122 59.2 57.3 103 SHEEP CANYON 3990 25.6 16.0 160 132.3 111.8 118 SPENCER MEADOW 3400 .0 .2 0* 79.8 88.9 90 SPIRIT LAKE 3520 -M .0 * -M 77.7 * SURPRISE LAKES 4290 26.1 30.8 85 94.8 87.7 108 ----- ----- Basin wide percent 98 103 Willamette River CLACKAMAS LAKE 3400 .0 .0 * 43.6 47.7 91 CLEAR LAKE 3810 .0 .0 * 33.6 38.8 87 DALY LAKE 3690 .0 .0 * 60.0 75.5 79 HOGG PASS 4790 .0 2.0 0* 61.2 66.0 93 HOLLAND MEADOWS 4930 .0 .1 0* 68.5 67.5 101 JUMP OFF JOE 3520 .0 .0 * -M 74.8 * LITTLE MEADOWS 4020 .0 .0 * 98.8 100.9 98 MARION FORKS 2590 .1 .0 * 64.2 72.2 89 MCKENZIE 4770 6.5 26.7 24 79.0 85.0 93 PEAVINE RIDGE 3420 .0 .0 * 54.4 57.2 95 RAILROAD OVERPASS 2680 .0 .0 * 44.1 47.5 93 ROARING RIVER 4950 .0 5.8 0 58.5 61.4 95 SADDLE MOUNTAIN 3110 -M -M * 77.6 88.2 88 SALT CREEK FALLS 4220 .0 .0 * 61.1 65.2 94 SANTIAM JCT. 3740 .0 .0 * 53.0 66.0 80 SEINE CREEK 2060 .0 .0 * 58.7 66.3 89 ----- ----- Basin wide percent 19* 91 Puget Sound CORRAL PASS 5800 28.9 31.4 92 51.8 52.0 100 COUGAR MOUNTAIN 3200 .6 .0 * 86.3 81.3 106 MINERS RIDGE 6110 -M -M * -M -M * MOUNT CRAG 3960 15.3 13.8 111 -M 66.2 * OLALLIE MEADOWS 4030 39.2 40.5 97 113.1 106.9 106 PARADISE 5130 79.4 65.6 121 109.7 100.8 109 STEVENS PASS 3950 17.0 15.7 108 82.2 78.2 105 THUNDER BASIN 4320 12.9 16.1 80 62.2 60.1 103 ----- ----- Basin wide percent 106 105 Oregon Closed Basins DISMAL SWAMP 7360 .0 12.6 0 31.8 44.1 72 FISH CREEK 7660 .0 17.8 0 34.3 38.9 88 ROCK SPRINGS 5290 .1 .0 * 11.5 14.7 78 SILVER CREEK 5740 .1 .0 * 15.9 23.3 68 SILVIES 6990 .0 .0 * 18.6 -M * SNOW MOUNTAIN 6230 .1 .0 * 18.4 23.8 77 STARR RIDGE 5250 .0 .0 * 13.5 16.9 80 ----- ----- Basin wide percent 1* 78 ----------------------------------------------------------------------------- -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.