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Water-Year Summary for Site 12025000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 

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USGS Water-Year Summary 2023
12025000 NEWAUKUM RIVER NEAR CHEHALIS, WA
LOCATION - Lat 46°37'13", long 122°56'38" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.09, T.13 N., R.2 W., Lewis County, WA, Hydrologic Unit 17100103, on left bank 75 ft downstream from bridge, 3.0 mi southeast of Chehalis, and at mile 4.1.
DRAINAGE AREA - 155 mi².
REVISIONS HISTORY - WSP 1012: 1943. WSP 1316: 1929-30(M), 1960(M). WSP 1716: Drainage area. WSP 1932: 1931(M), 1945-49, 1954(M), 1956(P), 1958(M), 1959-60.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 1929 to September 1931, July 1942 to September 1981, October 1982 to current year.
GAGE -

Water-stage recorder. Datum of gage is NAVD of 1988 (USGS GNSS Level II survey). Prior to May 8, 2018, gage at present site and at 90 ft above NGVD of 1929 (topographic map). Prior to Oct. 1, 1929, nonrecording gage at same site at datum 1.0 ft higher. Oct. 1, 1929, to July 5, 1962, nonrecording gage and crest-stage gage at same datum. 

REMARKS -

No regulation. The City of Chehalis diverts water from the N.F. Newaukum River upstream of the station for municipal use. Some diversion for irrgation upstream from station during summer months. U.S. Geological Survey satellite telemeter at station. 


   Water Year       Discharge   
(cfs)
   Water Year        Discharge   
(cfs)
   Water Year       Discharge   
(cfs)
   Water Year       Discharge   
(cfs)
2014  2.87   2015 2.68  2016  2.81  2017  2.76
2018  2.58   2019  2.59 2020  2.69   2021 1.63 
2022 2.53   2023 2.48         

 

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 13,300 ft³/s, Feb. 8, 1996, gage height, 207.98 ft, from outside high-water mark; maximum gage height, 208.06 ft, Dec. 9, 1953; minimum discharge, 12 ft³/s, Sept. 13, 14, 1949, Aug. 29, 1967.