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Streamflow Measurements for Washington

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! 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 12134000 NORTH FORK SKYKOMISH RIVER AT INDEX, WA
Snohomish County, Washington
Hydrologic Unit Code 17110009
Latitude  47°49'10", Longitude 121°33'10" NAD27
Drainage area 146.00  square miles
Gage datum 525.00 feet above NGVD29
Output formats
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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 
132024-09-06 11:11:20PDTYesJRM, CFJUSGS1339.360.001.00FairClearNONE
122024-06-26 13:39:36PDTYesFMR/JRDUSGS118011.030.25 PoorClearNONE
112023-09-13 10:29:05PDTYesKFJ/GWHUSGS67.09.020.00 PoorClearNONE
10M1978-04-21 -- ----YesADMUSGS867 Unspecified NONE
9M1977-12-02 -- ----YesADMUSGS16800 Unspecified NONE
8M1977-01-19 -- ----YesADMUSGS3380 Unspecified NONE
7M1951-08-17 -- ----YesADMUSGS220 Unspecified NONE
6M1948-10-12 -- ----YesADMUSGS875 Unspecified NONE
5M1938-10-08 -- ----YesADMUSGS102 Unspecified NONE
4M1929-02-20 -- ----YesADMUSGS204 Unspecified NONE
3M1924-09-22 -- ----YesADMUSGS169 Unspecified NONE
2M1910-09-27 -- ----YesADMUSGS168 Unspecified NONE
1M1910-08-24 -- ----YesADMUSGS279 Unspecified NONE