USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06483380 Little Rock River at Little Rock, IA

Lyon County, Iowa

Hydrologic Unit Code 10170204

Latitude 43°25'57", Longitude 95°54'08" NAD27

Drainage area 134 square miles

Gage datum 1,430 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
20	2003-06-26 13:47	CDT	Yes	RDG/JFN	USGS	2200	11.01			Good	Clear	NONE
19	1976-08-25 07:40	CDT	Yes	RDB	USGS	0.17				Unspecified		NONE
18	1975-10-20 17:00	CDT	Yes	RDB	USGS	2.65	20.37			Fair	Clear	NONE
17	1974-09-25 13:45	CDT	Yes	JGG	USGS	1.62	20.18			Good	Clear	NONE
16	1972-10-16 12:30	CDT	Yes	RDB	USGS	2.90	19.80			Fair	Clear	NONE
15	1971-09-01 12:30	CDT	Yes	OJR	USGS	1.09	20.17			Good	Clear	NONE
14	1970-09-01 10:20	CDT	Yes	RDB	USGS	1.13	20.30			Fair	Clear	NONE
13	1969-10-09 09:35	CST	Yes	RDB	USGS	1.66	20.31			Fair	Clear	NONE
12	1969-04-09 12:45	CST	Yes	JVR/AJH	USGS	1830	14.72	-0.01	0.60	Fair	Clear	NONE
11	1968-09-11 13:05	CST	Yes	DAS	USGS	0.23	20.65			Good	Clear	NONE
10	1968-06-11 11:45	CST	Yes	DAS	USGS	0.87	20.57			Good	Clear	NONE
9	1967-09-11 10:45	CST	Yes	FEL	USGS	0.53	20.66			Unspecified	Clear	NONE
8	1966-08-15 14:40	CST	Yes	FEL	USGS	1.25	20.58			Fair	Clear	NONE
7	1961-09-25 15:50	CST	Yes	JLC	USGS	2.37		0.00	0.20	Fair	Clear	NONE
6	1960-10-10 15:10	CST	Yes	SM	USGS	10.4				Fair	Clear	NONE
5	1959-08-13 09:15	CST	Yes	JLC	USGS	0.10	20.60	0.00	0.10	Good	Clear	NONE
4	1959-05-19 14:35	CST	Yes	CWS	USGS	1.44	20.46	0.00	0.10	Good	Clear	NONE
3	1958-10-14 12:05	CST	Yes	RHT	USGS	0.26	20.58			Unspecified		NONE
2	1958-05-14 14:15	CST	Yes	CWS	USGS	2.83	20.39	0.00	0.30	Fair	Clear	NONE
1	1957-10-02 08:40	CST	Yes	RHT	USGS	1.67	20.50			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

2003-06-26 13:47

CDT

Yes

RDG/JFN

USGS

2200

11.01

Good

Clear

NONE

1976-08-25 07:40

CDT

Yes

RDB

USGS

0.17

Unspecified

NONE

1975-10-20 17:00

CDT

Yes

RDB

USGS

2.65

20.37

Fair

Clear

NONE

1974-09-25 13:45

CDT

Yes

JGG

USGS

1.62

20.18

Good

Clear

NONE

1972-10-16 12:30

CDT

Yes

RDB

USGS

2.90

19.80

Fair

Clear

NONE

1971-09-01 12:30

CDT

Yes

OJR

USGS

1.09

20.17

Good

Clear

NONE

1970-09-01 10:20

CDT

Yes

RDB

USGS

1.13

20.30

Fair

Clear

NONE

1969-10-09 09:35

CST

Yes

RDB

USGS

1.66

20.31

Fair

Clear

NONE

1969-04-09 12:45

CST

Yes

JVR/AJH

USGS

1830

14.72

-0.01

0.60

Fair

Clear

NONE

1968-09-11 13:05

CST

Yes

DAS

USGS

0.23

20.65

Good

Clear

NONE

1968-06-11 11:45

CST

Yes

DAS

USGS

0.87

20.57

Good

Clear

NONE

1967-09-11 10:45

CST

Yes

FEL

USGS

0.53

20.66

Unspecified

Clear

NONE

1966-08-15 14:40

CST

Yes

FEL

USGS

1.25

20.58

Fair

Clear

NONE

1961-09-25 15:50

CST

Yes

JLC

USGS

2.37

0.00

0.20

Fair

Clear

NONE

1960-10-10 15:10

CST

Yes

USGS

10.4

Fair

Clear

NONE

1959-08-13 09:15

CST

Yes

JLC

USGS

0.10

20.60

0.00

0.10

Good

Clear

NONE

1959-05-19 14:35

CST

Yes

CWS

USGS

1.44

20.46

0.00

0.10

Good

Clear

NONE

1958-10-14 12:05

CST

Yes

RHT

USGS

0.26

20.58

Unspecified

NONE

1958-05-14 14:15

CST

Yes

CWS

USGS

2.83

20.39

0.00

0.30

Fair

Clear

NONE

1957-10-02 08:40

CST

Yes

RHT

USGS

1.67

20.50

Unspecified

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 16:33:55 EST
0.56 0.56 vaww02