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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 05460220 Winnebago River below Mason City, IA
Cerro Gordo County, Iowa
Hydrologic Unit Code 07080203
Latitude  43°08'53", Longitude  93°09'43" NAD27
Drainage area 632  square miles
Gage datum 1,060 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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
141962-05-29 09:25CSTYesCDS/HHSUSGS68101068.36-0.170.60GoodClearNONE1Imported Channel 1WADEunspeunkno681010011405.99UNSPUNSPUNSPunknUNSPUNSPUNSP
131949-06-08 10:30CSTYesSJMUSGS52.31058.430.000.50GoodClearNONE1Imported Channel 1WADEunspeunkno52.358.032.81.59UNSPUNSPUNSPunknUNSPUNSPUNSP
111949-06-05 10:15CSTYesREM/HHSUSGS2491059.50-0.010.80GoodClearNONE1Imported Channel 1WADEunspeunkno24997.01901.31UNSPUNSPUNSPunknUNSPUNSPUNSP
121947-04-09 13:35CSTYesHHSUSGS89410.610.001.40GoodClearNONE1Imported Channel 1WADEunspeunkno8941005261.70UNSPUNSPUNSPunknUNSPUNSPUNSP
101945-06-14 14:15CSTYesREMUSGS10301061.570.001.00GoodClearNONE1Imported Channel 1CRANunspeunkno10301004792.15UNSPUNSPUNSPunknUNSPUNSPUNSP
91944-06-15 07:05CSTYesREMUSGS29301064.42-0.041.10GoodClearNONE1Imported Channel 1CRANunspeunkno29301007643.84UNSPUNSPUNSPunknUNSPUNSPUNSP
81944-04-21 10:00CSTYesREM/SJMUSGS7821060.99-0.021.00GoodClearNONE1Imported Channel 1CRANunspeunkno7821004191.85UNSPUNSPUNSPunknUNSPUNSPUNSP
71943-09-23 14:00CSTYesWIT/HHBUSGS2061059.320.000.80GoodClearNONE1Imported Channel 1WADEunspeunkno20682.81361.51UNSPUNSPUNSPunknUNSPUNSPUNSP
61942-11-19 11:00CSTYesSJMUSGS86.91058.64-0.040.40Fair NONE1Imported Channel 1UNSPother 86.9 UNSPUNSPUNSPunknUNSPUNSPUNSP
51942-09-29 16:00CSTYesCFL/SJMUSGS1471058.890.000.60UnspecifiedClearNONE1Imported Channel 1UNSPother 147 UNSPUNSPUNSPunknUNSPUNSPUNSP
41942-08-13 17:55CSTYesWAS/--BUSGS1741059.150.000.80FairClearNONE1Imported Channel 1WADEunspeunkno17486.01351.30UNSPUNSPUNSPunknUNSPUNSPUNSP
31942-06-08 08:45CSTYesCFL/SJMUSGS4881060.38-0.011.00GoodClearNONE1Imported Channel 1WADEunspeunkno4881022621.88UNSPUNSPUNSPunknUNSPUNSPUNSP
21942-05-03 11:15CSTYesSJMUSGS4901060.29-0.041.50UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno49098.82671.84UNSPUNSPUNSPunknUNSPUNSPUNSP
11942-04-19 15:15CSTYesWIT/WASUSGS2231059.420.001.00UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno22387.81741.29UNSPUNSPUNSPunknUNSPUNSPUNSP