USGS Surface Water for USA: Streamflow Measurements

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Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Streamflow Measurements for the Nation

USGS 0148063520 Unn Trib to Broad Run near Thorndale, PA

Chester County, Pennsylvania

Hydrologic Unit Code 02040205

Latitude 39°58'25", Longitude 75°44'05" NAD27

Gage datum 445 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
19	1993-12-13 07:45	EST	Yes	RD	USGS	0.10	0.60	0.00	0.20	Good	Clear	NONE
18	1993-07-22 11:04	EDT	Yes	MC	USGS	0.01	0.56	0.00	0.30	Unspecified		NONE
17	1993-04-19 10:24	EDT	Yes	MC	USGS	0.40		0.00	0.40	Unspecified		NONE
16	1993-01-28 11:30	EST	Yes	MC	USGS	0.19	0.62	0.00		Unspecified	Clear	NONE
15	1992-08-25 09:00	EDT	Yes	KW/MC	USGS	0.05	0.57	0.00	0.20	Unspecified	Clear	NONE
13	1992-04-24 14:50	EDT	Yes	KW	USGS	0.06	0.58	0.00	0.10	Unspecified	Clear	NONE
12	1991-09-04 07:30	EDT	Yes	RLD	USGS	0.00				Unspecified		NONE
11	1991-07-08 07:30	EDT	Yes	RLD	USGS	0.00	0.40	0.00		Unspecified		NONE
10	1991-05-10 09:51	EDT	Yes	MJC	USGS	0.06	0.59	0.00	0.20	Fair	Clear	NONE
9	1991-03-04 08:45	EST	Yes	RLD	USGS	1.25	0.95	-0.09	0.30	Unspecified	Clear	NONE
8	1991-02-22 09:45	EST	Yes	RLD	USGS	0.06	0.60	0.00	0.30	Fair	Clear	NONE
7	1991-02-04 07:30	EST	Yes	RLD	USGS	0.10	0.60	0.00	0.20	Good	Clear	NONE
6	1991-01-14 09:05	EST	Yes	RLD	USGS	0.17	0.63	0.00	0.20	Good	Clear	NONE
5	1990-12-21 12:45	EST	Yes	RLD	USGS	0.58	0.78	-0.01	0.20	Fair	DebrisLight	NONE
4	1990-12-17 07:45	EST	Yes	RLD	USGS	0.00				Excellent		NONE
3	1990-12-05 13:30	EST	Yes	KEW	USGS	0.00	0.44			Excellent		NONE
2	1990-11-20 09:27	EST	Yes	RLD	USGS	0.00				Excellent		NONE
1	1990-10-10 07:45	EDT	Yes	KEW	USGS	0.00				Excellent		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

1993-12-13 07:45

EST

Yes

USGS

0.10

0.60

0.00

0.20

Good

Clear

NONE

1993-07-22 11:04

EDT

Yes

USGS

0.01

0.56

0.00

0.30

Unspecified

NONE

1993-04-19 10:24

EDT

Yes

USGS

0.40

0.00

0.40

Unspecified

NONE

1993-01-28 11:30

EST

Yes

USGS

0.19

0.62

0.00

Unspecified

Clear

NONE

1992-08-25 09:00

EDT

Yes

KW/MC

USGS

0.05

0.57

0.00

0.20

Unspecified

Clear

NONE

1992-04-24 14:50

EDT

Yes

USGS

0.06

0.58

0.00

0.10

Unspecified

Clear

NONE

1991-09-04 07:30

EDT

Yes

RLD

USGS

0.00

Unspecified

NONE

1991-07-08 07:30

EDT

Yes

RLD

USGS

0.00

0.40

0.00

Unspecified

NONE

1991-05-10 09:51

EDT

Yes

MJC

USGS

0.06

0.59

0.00

0.20

Fair

Clear

NONE

1991-03-04 08:45

EST

Yes

RLD

USGS

1.25

0.95

-0.09

0.30

Unspecified

Clear

NONE

1991-02-22 09:45

EST

Yes

RLD

USGS

0.06

0.60

0.00

0.30

Fair

Clear

NONE

1991-02-04 07:30

EST

Yes

RLD

USGS

0.10

0.60

0.00

0.20

Good

Clear

NONE

1991-01-14 09:05

EST

Yes

RLD

USGS

0.17

0.63

0.00

0.20

Good

Clear

NONE

1990-12-21 12:45

EST

Yes

RLD

USGS

0.58

0.78

-0.01

0.20

Fair

DebrisLight

NONE

1990-12-17 07:45

EST

Yes

RLD

USGS

0.00

Excellent

NONE

1990-12-05 13:30

EST

Yes

KEW

USGS

0.00

0.44

Excellent

NONE

1990-11-20 09:27

EST

Yes

RLD

USGS

0.00

Excellent

NONE

1990-10-10 07:45

EDT

Yes

KEW

USGS

0.00

Excellent

NONE