Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 14235000 COWLITZ RIVER AT MOSSYROCK, WA


Lewis County, Washington
Hydrologic Unit Code 17080005
Latitude  46°33'01", Longitude 122°29'31" NAD27
Drainage area 1,162.00  square miles
Gage datum 357.31 feet above NGVD29
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
1451962-11-13 -- ----YesMNSUSGS38806.36-0.011.70Good NONE
1441962-10-04 -- ----YesMNSUSGS17504.32-0.021.80Good NONE
1431962-08-22 -- ----YesREM/MNSUSGS16604.21-0.021.30Good NONE
1421962-07-12 -- ----YesREMUSGS42006.51-0.601.20Good NONE
1411962-06-14 -- ----YesREMUSGS59407.750.001.30Good NONE
1401962-05-15 -- ----YesREMUSGS48507.210.011.20Good NONE
1391962-04-11 -- ----YesREMUSGS80008.86-0.031.70Good NONE
1381962-02-21 -- ----YesDJRUSGS29105.60-0.011.10Good NONE
1371962-01-23 -- ----YesDJRUSGS28205.590.001.20Good NONE
1361961-11-28 -- ----YesDJRUSGS42406.540.051.30Good NONE
1351961-10-25 -- ----YesDJRUSGS16404.00-0.011.30Good NONE
17M1960-12-28 -- ----YesADMUSGS4810 Unspecified NONE
16M1960-12-28 -- ----YesADMUSGS4870 Unspecified NONE
15M1960-12-12 -- ----YesADMUSGS4020 Unspecified NONE
14M1960-12-06 -- ----YesADMUSGS4710 Unspecified NONE
13M1960-11-28 -- ----YesADMUSGS9560 Unspecified NONE
12M1960-11-25 -- ----YesADMUSGS31800 Unspecified NONE
11M1959-11-25 -- ----YesADMUSGS31800 Unspecified NONE
10M1959-11-24 -- ----YesADMUSGS52000 Unspecified NONE
9M1925-11-08 -- ----YesADMUSGS835 Unspecified NONE
8M1913-09-18 -- ----YesADMUSGS1940 Unspecified NONE
7M1913-09-05 -- ----YesADMUSGS6580 Unspecified NONE
6M1913-09-04 -- ----YesADMUSGS4680 Unspecified NONE
5M1913-09-04 -- ----YesADMUSGS6110 Unspecified NONE
4M1912-11-20 -- ----YesADMUSGS7730 Unspecified NONE
3M1911-10-17 -- ----YesADMUSGS1490 Unspecified NONE
2M1911-07-09 -- ----YesADMUSGS4330 Unspecified NONE
1M1906-11-01 -- ----YesADMUSGS61300 Unspecified NONE