USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06896200 East Fork Grand River near Mount Ayr, IA

Ringgold County, Iowa

Hydrologic Unit Code 10280101

Latitude 40°43'00", Longitude 94°10'00" NAD27

Drainage area 64.70 square miles

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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
22	1977-07-19 15:55	CDT	Yes	DAS	USGS	0.00	25.04			Unspecified		NONE
21	1976-09-21 08:20	CDT	Yes	PJS	USGS	0.03	25.62			Excellent	Clear	NONE
20	1975-08-13 12:40	CDT	Yes	JLR	USGS	0.31	25.25			Unspecified		NONE
19	1974-09-24 07:40	CDT	Yes	JLR	USGS	0.04	25.20			Unspecified	Clear	NONE
18	1971-09-20 11:45	CDT	Yes	REH	USGS	0.07	23.06			Good		NONE
17	1970-07-28 10:50	CDT	Yes	JGG	USGS	0.08	22.26	0.00	0.50	Unspecified	Clear	NONE
16	1969-09-22 13:10	CST	Yes	JGG	USGS	0.29	21.30			Unspecified		NONE
15	1968-08-12 10:50	CST	Yes	RDB	USGS	1.73	19.39			Good	Clear	NONE
14	1966-08-10 05:45	CST	Yes	RDB	USGS	0.64	21.48			Fair	Clear	NONE
13	1964-10-27 11:35	CST	Yes	DER	USGS	3.90	-22.11	0.00	1.00	Unspecified	Clear	NONE
12	1963-10-31 11:25	CST	Yes	EDS	USGS	0.18	21.87			Unspecified	Clear	NONE
11	1961-10-25 08:00	CST	Yes	CWS	USGS	11.9	21.09	0.00	0.30	Good	Clear	NONE
10	1960-10-26 13:20	CST	Yes	SJM	USGS	2.92	-21.25			Good	Clear	NONE
9	1960-10-26 11:40	CST	Yes	JGG	USGS	3.11	21.20			Unspecified	Clear	NONE
8	1960-10-26 11:10	CST	Yes	--S	USGS	3.03	-21.20			Fair	Clear	NONE
7	1960-10-26 09:55	CST	Yes	EDS	USGS	3.14	21.27			Fair	Clear	NONE
6	1960-10-25 15:55	CST	Yes	RHT	USGS	2.74	21.23			Unspecified	Clear	NONE
5	1960-09-12 16:20	CST	Yes	JGG	USGS	0.17				Unspecified	Clear	NONE
4	1960-09-12 13:45	CST	Yes	RDB	USGS	1.58	22.82			Fair	Clear	NONE
3	1959-07-28 13:25	CST	Yes	FEL	USGS	0.54	24.11			Unspecified	Clear	NONE
2	1958-10-14 13:05	CST	Yes	FEL	USGS	1.57	24.40			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

1977-07-19 15:55

CDT

Yes

DAS

USGS

0.00

25.04

Unspecified

NONE

1976-09-21 08:20

CDT

Yes

PJS

USGS

0.03

25.62

Excellent

Clear

NONE

1975-08-13 12:40

CDT

Yes

JLR

USGS

0.31

25.25

Unspecified

NONE

1974-09-24 07:40

CDT

Yes

JLR

USGS

0.04

25.20

Unspecified

Clear

NONE

1971-09-20 11:45

CDT

Yes

REH

USGS

0.07

23.06

Good

NONE

1970-07-28 10:50

CDT

Yes

JGG

USGS

0.08

22.26

0.00

0.50

Unspecified

Clear

NONE

1969-09-22 13:10

CST

Yes

JGG

USGS

0.29

21.30

Unspecified

NONE

1968-08-12 10:50

CST

Yes

RDB

USGS

1.73

19.39

Good

Clear

NONE

1966-08-10 05:45

CST

Yes

RDB

USGS

0.64

21.48

Fair

Clear

NONE

1964-10-27 11:35

CST

Yes

DER

USGS

3.90

-22.11

0.00

1.00

Unspecified

Clear

NONE

1963-10-31 11:25

CST

Yes

EDS

USGS

0.18

21.87

Unspecified

Clear

NONE

1961-10-25 08:00

CST

Yes

CWS

USGS

11.9

21.09

0.00

0.30

Good

Clear

NONE

1960-10-26 13:20

CST

Yes

SJM

USGS

2.92

-21.25

Good

Clear

NONE

1960-10-26 11:40

CST

Yes

JGG

USGS

3.11

21.20

Unspecified

Clear

NONE

1960-10-26 11:10

CST

Yes

--S

USGS

3.03

-21.20

Fair

Clear

NONE

1960-10-26 09:55

CST

Yes

EDS

USGS

3.14

21.27

Fair

Clear

NONE

1960-10-25 15:55

CST

Yes

RHT

USGS

2.74

21.23

Unspecified

Clear

NONE

1960-09-12 16:20

CST

Yes

JGG

USGS

0.17

Unspecified

Clear

NONE

1960-09-12 13:45

CST

Yes

RDB

USGS

1.58

22.82

Fair

Clear

NONE

1959-07-28 13:25

CST

Yes

FEL

USGS

0.54

24.11

Unspecified

Clear

NONE

1958-10-14 13:05

CST

Yes

FEL

USGS

1.57

24.40

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: 2024-11-27 15:02:56 EST
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