USGS Water-Year Summary 2024
14226500 COWLITZ RIVER AT PACKWOOD, WA
LOCATION - Lat 46°36'47", long 121°40'41" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.16, T.13 N., R.9 E., Lewis County, WA, Hydrologic Unit 17080004, on right bank on upstream side of Forest Service bridge, 0.6 mi northwest of Packwood, 0.8 mi upstream from Skate Creek, and at mile 126.5.
DRAINAGE AREA - 287 mi².
REVISIONS HISTORY - WSP 884: 1938. WSP 1348: 1916-18(M), 1934. WSP 1638: 1947(P).
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1911 to December 1919, September 1929 to current year. Published as "at Lewis" 1911-19.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1,048.0 ft above NGVD of 1929 (Bureau of Public Roads benchmark) and 1,051.44 ft above NAVD of 1988 (USGS GNSS, differential level survey May 11, 2023). July 1, 1911, to Dec. 31, 1919, nonrecording gages at site about 1 mi upstream at different datums. Sept. 30, 1929, to Jan. 1, 1930, nonrecording gage at present site and datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 42,100 ft³/s, Nov. 6, 2006, gage height, 14.59 ft; minimum discharge, 130 ft³/s, Nov. 29, 1952.