USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06483280 Tom Creek at Rock Rapids, IA

Lyon County, Iowa

Hydrologic Unit Code 10170204

Latitude 43°26'12", Longitude 96°09'20" NAD27

Drainage area 61.9 square miles

Gage datum 1,340 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
17	1975-10-21 07:30	CDT	Yes	MES	USGS	0.29	18.63			Unspecified	Clear	NONE
16	1974-09-25 12:45	CDT	Yes	MES	USGS	0.02	18.77			Poor	Clear	NONE
14	1972-10-16 10:50	CDT	Yes	OJK	USGS	0.88	18.57			Good	Clear	NONE
13	1971-09-01 11:35	CDT	Yes	FEL	USGS	0.06	18.71			Good	Clear	NONE
11	1969-10-09 11:15	CDT	Yes	FEL	USGS	0.24	18.60			Good	Clear	NONE
9	1968-06-11 14:10	CDT	Yes	EDS	USGS	0.01				Unspecified		NONE
8	1967-09-11 12:45	CDT	Yes	EDS	USGS	0.02	18.81			Fair	Clear	NONE
7	1966-08-15 15:25	CDT	Yes	EDS	USGS	0.00				Unspecified		NONE
6	1961-09-26 08:25	CDT	Yes	JLC	USGS	0.06	18.78	0.00	0.10	Fair	Clear	NONE
5	1960-10-10 16:50	CDT	Yes	SM	USGS	0.29				Fair	Clear	NONE
4	1959-08-13 08:45	CDT	Yes	JLC	USGS	0.03	18.46	0.00	0.10	Unspecified	Clear	NONE
3	1958-10-14 -- --	--	Yes	RHT	USGS	0.00				Unspecified		NONE
2	1958-05-14 16:15	CDT	Yes	CWS	USGS	0.46	17.61	0.00	0.10	Fair	DebrisLight	NONE
1	1957-10-01 18:15	CDT	Yes	RDB	USGS	0.48	17.79			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

1975-10-21 07:30

CDT

Yes

MES

USGS

0.29

18.63

Unspecified

Clear

NONE

1974-09-25 12:45

CDT

Yes

MES

USGS

0.02

18.77

Poor

Clear

NONE

1972-10-16 10:50

CDT

Yes

OJK

USGS

0.88

18.57

Good

Clear

NONE

1971-09-01 11:35

CDT

Yes

FEL

USGS

0.06

18.71

Good

Clear

NONE

1969-10-09 11:15

CDT

Yes

FEL

USGS

0.24

18.60

Good

Clear

NONE

1968-06-11 14:10

CDT

Yes

EDS

USGS

0.01

Unspecified

NONE

1967-09-11 12:45

CDT

Yes

EDS

USGS

0.02

18.81

Fair

Clear

NONE

1966-08-15 15:25

CDT

Yes

EDS

USGS

0.00

Unspecified

NONE

1961-09-26 08:25

CDT

Yes

JLC

USGS

0.06

18.78

0.00

0.10

Fair

Clear

NONE

1960-10-10 16:50

CDT

Yes

USGS

0.29

Fair

Clear

NONE

1959-08-13 08:45

CDT

Yes

JLC

USGS

0.03

18.46

0.00

0.10

Unspecified

Clear

NONE

1958-10-14 -- --

Yes

RHT

USGS

0.00

Unspecified

NONE

1958-05-14 16:15

CDT

Yes

CWS

USGS

0.46

17.61

0.00

0.10

Fair

DebrisLight

NONE

1957-10-01 18:15

CDT

Yes

RDB

USGS

0.48

17.79

Unspecified

Clear

NONE