USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 05464020 Cedar River at Gilbertville, IA

Black Hawk County, Iowa

Hydrologic Unit Code 07080205

Latitude 42°24'57", Longitude 92°13'07" NAD27

Drainage area 5,240 square miles

Gage datum 810 feet above NGVD29

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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
19	2003-10-21 07:45	CDT	Yes	DTC	USGS	813	32.69	0.00	1.00	Fair	Clear	NONE
18	2003-09-23 09:17	CDT	Yes	ALD	USGS	961	33.52	0.00	2.50	Good	Clear	NONE
17	1996-12-12 10:55	CST	Yes	EMS/KDB	USGS	2790	6.81	0.01	4.00	Poor	Clear	NONE
16	1996-11-12 09:05	CST	Yes	JFC	USGS	1460	5.98	0.00	1.50	Good		NONE
15	1996-10-15 09:10	CDT	Yes	JFC	USGS	933	5.45	0.00	1.00	Good	Clear	NONE
14	1996-09-24 08:25	CDT	Yes	JFC	USGS	1070	5.85	0.00	1.50	Fair		NONE
13	1996-08-29 07:55	CDT	Yes	JFC	USGS	1700	6.20	0.00	1.20	Unspecified		NONE
12	1996-07-23 08:05	CDT	Yes	JFC	USGS	1790	6.17	0.00	1.20	Good		NONE
11	1996-06-25 08:35	CDT	Yes	JFC	USGS	7660	9.52	0.03		Good	Clear	NONE
10	1996-05-21 08:45	CDT	Yes	JFC	USGS	2600	6.82	-0.07	1.50	Unspecified	Clear	NONE
9	1996-04-23 08:15	CDT	Yes	JFC	USGS	2970	6.90	0.00	1.20	Fair	Clear	NONE
8	1996-03-26 09:45	CST	Yes	JFC/EMS	USGS	3780	8.15	-0.01	2.20	Good	IceShore	NONE
7	1995-09-21 10:06	CDT	Yes	JFC	USGS	1640	6.02	0.00	1.60	Good	Clear	NONE
6	1989-08-01 11:15	CDT	Yes	PJS	USGS	444	-33.31	0.01	1.10	Good	Clear	NONE
5	1975-10-29 09:50	CST	Yes	VEM	USGS	824	32.40	0.00	0.40	Good	Clear	NONE
4	1975-09-24 11:10	CDT	Yes	MAM/A-L	USGS	839				Good	Clear	NONE
3	1974-10-21 10:45	CDT	Yes	VEM	USGS	1050	33.85	0.00	0.80	Fair	Clear	NONE
2	1971-09-01 15:25	CDT	Yes	CWS	USGS	878	34.06	0.00	0.70	Good	Clear	NONE
1	1937-06-15 12:15	CST	Yes	LLB	USGS	23900	2.70	-0.05	3.50	Unspecified	Clear	NONE

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

2003-10-21 07:45

CDT

Yes

DTC

USGS

813

32.69

0.00

1.00

Fair

Clear

NONE

2003-09-23 09:17

CDT

Yes

ALD

USGS

961

33.52

0.00

2.50

Good

Clear

NONE

1996-12-12 10:55

CST

Yes

EMS/KDB

USGS

2790

6.81

0.01

4.00

Poor

Clear

NONE

1996-11-12 09:05

CST

Yes

JFC

USGS

1460

5.98

0.00

1.50

Good

NONE

1996-10-15 09:10

CDT

Yes

JFC

USGS

933

5.45

0.00

1.00

Good

Clear

NONE

1996-09-24 08:25

CDT

Yes

JFC

USGS

1070

5.85

0.00

1.50

Fair

NONE

1996-08-29 07:55

CDT

Yes

JFC

USGS

1700

6.20

0.00

1.20

Unspecified

NONE

1996-07-23 08:05

CDT

Yes

JFC

USGS

1790

6.17

0.00

1.20

Good

NONE

1996-06-25 08:35

CDT

Yes

JFC

USGS

7660

9.52

0.03

Good

Clear

NONE

1996-05-21 08:45

CDT

Yes

JFC

USGS

2600

6.82

-0.07

1.50

Unspecified

Clear

NONE

1996-04-23 08:15

CDT

Yes

JFC

USGS

2970

6.90

0.00

1.20

Fair

Clear

NONE

1996-03-26 09:45

CST

Yes

JFC/EMS

USGS

3780

8.15

-0.01

2.20

Good

IceShore

NONE

1995-09-21 10:06

CDT

Yes

JFC

USGS

1640

6.02

0.00

1.60

Good

Clear

NONE

1989-08-01 11:15

CDT

Yes

PJS

USGS

444

-33.31

0.01

1.10

Good

Clear

NONE

1975-10-29 09:50

CST

Yes

VEM

USGS

824

32.40

0.00

0.40

Good

Clear

NONE

1975-09-24 11:10

CDT

Yes

MAM/A-L

USGS

839

Good

Clear

NONE

1974-10-21 10:45

CDT

Yes

VEM

USGS

1050

33.85

0.00

0.80

Fair

Clear

NONE

1971-09-01 15:25

CDT

Yes

CWS

USGS

878

34.06

0.00

0.70

Good

Clear

NONE

1937-06-15 12:15

CST

Yes

LLB

USGS

23900

2.70

-0.05

3.50

Unspecified

Clear

NONE

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Iowa Water Data Support Team
Page Last Modified: 2025-11-07 06:48:39 EST
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