USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06897820 Thompson River near Afton, IA

Union County, Iowa

Hydrologic Unit Code 10280102

Latitude 41°02'00", Longitude 94°06'00" NAD27

Drainage area 231.00 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
18	1977-07-19 13:15	CDT	Yes	DAS	USGS	0.02	29.44			Poor	Clear	NONE
17	1976-09-22 08:00	CDT	Yes	PJS	USGS	8.45				Excellent	Clear	NONE
16	1975-08-12 13:30	CDT	Yes	JLR	USGS	4.44	29.68			Unspecified	Clear	NONE
15	1974-09-23 14:55	CDT	Yes	JLR	USGS	1.21	29.42			Good	Clear	NONE
14	1971-09-21 10:45	CDT	Yes	REH	USGS	0.88		1.00	0.30	Unspecified	Clear	NONE
13	1970-07-27 11:00	CDT	Yes	JGG	USGS	1.36	23.41			Unspecified	Clear	NONE
12	1968-10-16 15:40	CDT	Yes	WJM	USGS	1.32	23.59	0.00	0.30	Good	Clear	NONE
11	1968-03-13 09:50	CST	Yes	RDB	USGS	8.55	23.95			Good	Clear	NONE
10	1967-12-12 13:55	CST	Yes	RDB	USGS	4.79	23.93			Fair	Clear	NONE
9	1966-08-09 15:15	CDT	Yes	RDB	USGS	18.7	23.60			Good	Clear	NONE
8	1964-10-26 12:55	CST	Yes	DER	USGS	39.8	-23.37			Good	Clear	NONE
7	1963-10-31 07:53	CST	Yes	FEL	USGS	1.06	23.49			Fair	Clear	NONE
6	1961-10-26 17:15	CDT	Yes	CWS	USGS	76.2	23.01	0.00	0.40	Good	Clear	NONE
5	1960-09-13 10:00	CDT	Yes	SJM	USGS	5.81	24.09			Fair	Clear	NONE
4	1960-09-12 16:45	CDT	Yes	RHT	USGS	5.73	24.18			Unspecified	Clear	NONE
3	1959-10-21 18:30	CDT	Yes	DER	USGS	15.5	-23.71	0.00		Unspecified	Clear	NONE
2	1958-10-13 17:30	CDT	Yes	FEL	USGS	7.40	22.90			Good	Clear	NONE
1	1957-09-26 13:30	CDT	Yes	FEL	USGS	0.00	24.06			Unspecified		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 13:15

CDT

Yes

DAS

USGS

0.02

29.44

Poor

Clear

NONE

1976-09-22 08:00

CDT

Yes

PJS

USGS

8.45

Excellent

Clear

NONE

1975-08-12 13:30

CDT

Yes

JLR

USGS

4.44

29.68

Unspecified

Clear

NONE

1974-09-23 14:55

CDT

Yes

JLR

USGS

1.21

29.42

Good

Clear

NONE

1971-09-21 10:45

CDT

Yes

REH

USGS

0.88

1.00

0.30

Unspecified

Clear

NONE

1970-07-27 11:00

CDT

Yes

JGG

USGS

1.36

23.41

Unspecified

Clear

NONE

1968-10-16 15:40

CDT

Yes

WJM

USGS

1.32

23.59

0.00

0.30

Good

Clear

NONE

1968-03-13 09:50

CST

Yes

RDB

USGS

8.55

23.95

Good

Clear

NONE

1967-12-12 13:55

CST

Yes

RDB

USGS

4.79

23.93

Fair

Clear

NONE

1966-08-09 15:15

CDT

Yes

RDB

USGS

18.7

23.60

Good

Clear

NONE

1964-10-26 12:55

CST

Yes

DER

USGS

39.8

-23.37

Good

Clear

NONE

1963-10-31 07:53

CST

Yes

FEL

USGS

1.06

23.49

Fair

Clear

NONE

1961-10-26 17:15

CDT

Yes

CWS

USGS

76.2

23.01

0.00

0.40

Good

Clear

NONE

1960-09-13 10:00

CDT

Yes

SJM

USGS

5.81

24.09

Fair

Clear

NONE

1960-09-12 16:45

CDT

Yes

RHT

USGS

5.73

24.18

Unspecified

Clear

NONE

1959-10-21 18:30

CDT

Yes

DER

USGS

15.5

-23.71

0.00

Unspecified

Clear

NONE

1958-10-13 17:30

CDT

Yes

FEL

USGS

7.40

22.90

Good

Clear

NONE

1957-09-26 13:30

CDT

Yes

FEL

USGS

0.00

24.06

Unspecified

NONE