Location.--Latitude 46°39'40", Longitude
122°58'58", in NE 1/4 NW 1/4 Section 31, Township 14 North,
Range 2 West, in Lewis County, Hydrologic Unit 17100103, on
right bank at City of Chehalis wastewater treatment plant, 0.4 mile
downstream from State Highway 6 bridge, and at river mile
area is 618 mi2. Datum of
gage is NGVD of 1929.
15-minute precipitation data for this station are
temporary and will only be displayed for 120 days. Time
series of 15-minute or cumulative daily values will NOT be
available for retrieval following the 120-day display period.
Although the instrumentation is calibrated at least once/year,
the temporary classification means that documented routine
inspections and other quality assurance measures are not
performed that would make the data acceptable for archival,
retrieval, or future use in general scientific or interpretive
This station is operated
from October 1 to April 30.