USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06808600 Walnut Creek near Griswold, IA

Pottawattamie County, Iowa

Hydrologic Unit Code 10240002

Latitude 41°17'20", Longitude 95°12'32" NAD27

Drainage area 61.3 square miles

Gage datum 1,160 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
13	1975-09-26 11:40	CDT	Yes	RDB	USGS	7.62	36.41			Fair	Clear	NONE
12	1971-08-31 12:00	CDT	Yes	EDS	USGS	0.65	-35.39			Good	Clear	NONE
11	1968-06-19 13:15	CST	Yes	EDS	USGS	1.20	34.48			Good	Clear	NONE
10	1967-05-23 10:05	CST	Yes	FEL	USGS	1.18	34.23			Fair	Clear	NONE
9	1966-08-30 11:10	CST	Yes	RDB	USGS	4.76	33.72			Unspecified	Clear	NONE
8	1964-10-28 08:50	CST	Yes	RDB	USGS	6.00	31.08			Unspecified	Clear	NONE
7	1963-11-06 08:50	CST	Yes	RDB	USGS	0.68	25.33			Unspecified	Clear	NONE
6	1961-09-01 11:50	CST	Yes	EDS	USGS	4.41	24.40			Good	Clear	NONE
5	1960-09-16 11:30	CST	Yes	EDS	USGS	13.2	-23.92			Good	Clear	NONE
4	1959-10-20 11:00	CST	Yes	RDB	USGS	5.15	23.77	0.00	0.30	Fair	Clear	NONE
3	1958-10-16 10:00	CST	Yes	FEL	USGS	17.3	-23.22			Unspecified	Clear	NONE
2	1958-05-15 14:05	CST	Yes	GGP	USGS	12.1	23.28	0.00	0.30	Unspecified	Clear	NONE
1	1957-09-26 12:30	CST	Yes	CWS	USGS	5.91	22.82	0.00	0.70	Good	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

1975-09-26 11:40

CDT

Yes

RDB

USGS

7.62

36.41

Fair

Clear

NONE

1971-08-31 12:00

CDT

Yes

EDS

USGS

0.65

-35.39

Good

Clear

NONE

1968-06-19 13:15

CST

Yes

EDS

USGS

1.20

34.48

Good

Clear

NONE

1967-05-23 10:05

CST

Yes

FEL

USGS

1.18

34.23

Fair

Clear

NONE

1966-08-30 11:10

CST

Yes

RDB

USGS

4.76

33.72

Unspecified

Clear

NONE

1964-10-28 08:50

CST

Yes

RDB

USGS

6.00

31.08

Unspecified

Clear

NONE

1963-11-06 08:50

CST

Yes

RDB

USGS

0.68

25.33

Unspecified

Clear

NONE

1961-09-01 11:50

CST

Yes

EDS

USGS

4.41

24.40

Good

Clear

NONE

1960-09-16 11:30

CST

Yes

EDS

USGS

13.2

-23.92

Good

Clear

NONE

1959-10-20 11:00

CST

Yes

RDB

USGS

5.15

23.77

0.00

0.30

Fair

Clear

NONE

1958-10-16 10:00

CST

Yes

FEL

USGS

17.3

-23.22

Unspecified

Clear

NONE

1958-05-15 14:05

CST

Yes

GGP

USGS

12.1

23.28

0.00

0.30

Unspecified

Clear

NONE

1957-09-26 12:30

CST

Yes

CWS

USGS

5.91

22.82

0.00

0.70

Good

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: 2024-11-27 17:25:50 EST
0.23 0.23 caww01