USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06600400 West Branch Floyd River near Merrill, IA

Plymouth County, Iowa

Hydrologic Unit Code 10230002

Latitude 42°44'59", Longitude 96°14'26" NAD27

Drainage area 232.00 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
20	1976-08-25 14:40	CDT	Yes	JGG	USGS	3.46	24.87			Fair	Clear	NONE
19	1975-10-21 09:25	CDT	Yes	JGG	USGS	7.74	-24.60			Fair	Clear	NONE
18	1974-09-26 08:50	CDT	Yes	RDB	USGS	6.86	24.30			Good	Clear	NONE
17	1972-10-17 08:45	CDT	Yes	RDB	USGS	10.1	24.33			Good	Clear	NONE
16	1971-09-02 08:50	CDT	Yes	RDB	USGS	8.11	-24.51			Good	Clear	NONE
15	1970-09-02 10:05	CDT	Yes	RDB	USGS	5.24	24.22			Good	Clear	NONE
14	1969-10-10 12:00	CDT	Yes	EDS	USGS	9.68	24.23			Good	Clear	NONE
13	1968-09-12 09:30	CDT	Yes	RDB	USGS	1.40	23.44			Fair	Clear	NONE
12	1968-06-12 10:10	CDT	Yes	RDB	USGS	1.76	23.19			Fair	Clear	NONE
11	1967-09-12 08:20	CDT	Yes	RDB	USGS	3.09	23.73			Fair	Clear	NONE
10	1966-08-16 10:10	CDT	Yes	RDB	USGS	4.60	23.81			Fair	Clear	NONE
9	1964-10-14 11:05	CDT	Yes	CWS	USGS	3.94	-23.05	0.00	0.20	Fair	Clear	NONE
8	1963-10-01 13:50	CDT	Yes	EDS	USGS	2.85	23.05			Good	Clear	NONE
7	1961-09-27 08:35	CDT	Yes	JLC	USGS	9.91	22.84	0.00	0.20	Fair	Clear	NONE
6	1960-10-10 15:30	CDT	Yes	JLC	USGS	11.5	-22.46	0.00	0.30	Fair	Clear	NONE
5	1959-08-11 15:00	CDT	Yes	JLC	USGS	4.99	22.65	0.00	0.30	Good	Clear	NONE
4	1959-05-18 14:20	CDT	Yes	CWS	USGS	2.65	22.78	0.00	0.30	Good	Clear	NONE
3	1958-10-15 16:35	CDT	Yes	RHT	USGS	0.92	-22.96			Unspecified	Clear	NONE
2	1958-05-13 12:30	CDT	Yes	CWS	USGS	6.26	22.67	-0.01	0.30	Good	Clear	NONE
1	1957-09-30 12:50	CDT	Yes	RHT	USGS	5.65	21.86			Unspecified	Clear	NONE
1A	1953-06-08 -- --	--	Yes	COE	USGS	34800				Unspecified	Unspecifed	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

1976-08-25 14:40

CDT

Yes

JGG

USGS

3.46

24.87

Fair

Clear

NONE

1975-10-21 09:25

CDT

Yes

JGG

USGS

7.74

-24.60

Fair

Clear

NONE

1974-09-26 08:50

CDT

Yes

RDB

USGS

6.86

24.30

Good

Clear

NONE

1972-10-17 08:45

CDT

Yes

RDB

USGS

10.1

24.33

Good

Clear

NONE

1971-09-02 08:50

CDT

Yes

RDB

USGS

8.11

-24.51

Good

Clear

NONE

1970-09-02 10:05

CDT

Yes

RDB

USGS

5.24

24.22

Good

Clear

NONE

1969-10-10 12:00

CDT

Yes

EDS

USGS

9.68

24.23

Good

Clear

NONE

1968-09-12 09:30

CDT

Yes

RDB

USGS

1.40

23.44

Fair

Clear

NONE

1968-06-12 10:10

CDT

Yes

RDB

USGS

1.76

23.19

Fair

Clear

NONE

1967-09-12 08:20

CDT

Yes

RDB

USGS

3.09

23.73

Fair

Clear

NONE

1966-08-16 10:10

CDT

Yes

RDB

USGS

4.60

23.81

Fair

Clear

NONE

1964-10-14 11:05

CDT

Yes

CWS

USGS

3.94

-23.05

0.00

0.20

Fair

Clear

NONE

1963-10-01 13:50

CDT

Yes

EDS

USGS

2.85

23.05

Good

Clear

NONE

1961-09-27 08:35

CDT

Yes

JLC

USGS

9.91

22.84

0.00

0.20

Fair

Clear

NONE

1960-10-10 15:30

CDT

Yes

JLC

USGS

11.5

-22.46

0.00

0.30

Fair

Clear

NONE

1959-08-11 15:00

CDT

Yes

JLC

USGS

4.99

22.65

0.00

0.30

Good

Clear

NONE

1959-05-18 14:20

CDT

Yes

CWS

USGS

2.65

22.78

0.00

0.30

Good

Clear

NONE

1958-10-15 16:35

CDT

Yes

RHT

USGS

0.92

-22.96

Unspecified

Clear

NONE

1958-05-13 12:30

CDT

Yes

CWS

USGS

6.26

22.67

-0.01

0.30

Good

Clear

NONE

1957-09-30 12:50

CDT

Yes

RHT

USGS

5.65

21.86

Unspecified

Clear

NONE

1953-06-08 -- --

Yes

COE

USGS

34800

Unspecified

Unspecifed

NONE