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Peak Streamflow for the Nation

USGS 12021800 CHEHALIS RIVER NEAR ADNA, WA

Lewis County, Washington
Hydrologic Unit Code 17100103
Latitude  46°37'33", Longitude 123°06'02" NAD27
Drainage area 340  square miles
Gage datum 0 feet above NAVD88
Output formats
Table
Graph
Tab-separated file
peakfq (watstore) format
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Water
Year
Date Gage
Height
(feet)
Stream-
flow
(cfs)
2016 2015-12-09 205.35 24,700
2017 2017-02-09 205.47 25,100
2018 2017-11-22 201.19 15,600
2019 2018-12-18 203.28 12,500
2020 2019-12-20 210.28 27,400
2021 2021-01-13 209.60 25,800
2022 2022-01-07 213.12 34,500
2023 2022-12-28 206.68 15,600
2024 2023-12-05 209.64 19,400