USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06807600 Silver Creek near Avoca, IA

Pottawattamie County, Iowa

Hydrologic Unit Code 10240002

Latitude 41°25'07", Longitude 95°26'53" NAD27

Drainage area 59.2 square miles

Gage datum 1,150 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
12	1975-09-26 09:00	CDT	Yes	RDB	USGS	12.0	28.51			Fair	Clear	NONE
11	1971-08-31 09:30	CDT	Yes	OJR	USGS	0.91	-30.55			Good	Clear	NONE
10	1968-06-19 10:20	CST	Yes	RDB	USGS	1.59	29.36			Fair	Clear	NONE
9	1967-05-03 12:40	CST	Yes	FEL	USGS	0.92	29.57			Unspecified	Clear	NONE
8	1966-08-30 09:00	CST	Yes	RDB	USGS	5.56	29.29			Good	Clear	NONE
7	1964-10-28 09:10	CST	Yes	RAB	USGS	5.76	29.26			Good	Clear	NONE
6	1963-11-06 12:40	CST	Yes	OJK	USGS	2.20	-28.79			Good	Clear	NONE
5	1961-09-01 08:30	CST	Yes	FEL	USGS	8.88	28.44			Unspecified	Clear	NONE
4	1960-09-15 14:00	CST	Yes	RDB	USGS	15.9	26.90			Fair	Clear	NONE
3	1959-10-20 09:30	CST	Yes	OJR	USGS	5.45	-27.61			Good	Clear	NONE
2	1958-10-16 11:15	CST	Yes	FEL	USGS	9.41	-27.78			Unspecified	Clear	NONE
1	1957-09-23 16:55	CST	Yes	CWS	USGS	5.57	28.25	0.00	0.40	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

1975-09-26 09:00

CDT

Yes

RDB

USGS

12.0

28.51

Fair

Clear

NONE

1971-08-31 09:30

CDT

Yes

OJR

USGS

0.91

-30.55

Good

Clear

NONE

1968-06-19 10:20

CST

Yes

RDB

USGS

1.59

29.36

Fair

Clear

NONE

1967-05-03 12:40

CST

Yes

FEL

USGS

0.92

29.57

Unspecified

Clear

NONE

1966-08-30 09:00

CST

Yes

RDB

USGS

5.56

29.29

Good

Clear

NONE

1964-10-28 09:10

CST

Yes

RAB

USGS

5.76

29.26

Good

Clear

NONE

1963-11-06 12:40

CST

Yes

OJK

USGS

2.20

-28.79

Good

Clear

NONE

1961-09-01 08:30

CST

Yes

FEL

USGS

8.88

28.44

Unspecified

Clear

NONE

1960-09-15 14:00

CST

Yes

RDB

USGS

15.9

26.90

Fair

Clear

NONE

1959-10-20 09:30

CST

Yes

OJR

USGS

5.45

-27.61

Good

Clear

NONE

1958-10-16 11:15

CST

Yes

FEL

USGS

9.41

-27.78

Unspecified

Clear

NONE

1957-09-23 16:55

CST

Yes

CWS

USGS

5.57

28.25

0.00

0.40

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: 2024-11-23 20:57:05 EST
0.23 0.22 caww02