USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 0148063525 Unn Trib to Broad Run at School near Thorndale, PA

Chester County, Pennsylvania

Hydrologic Unit Code 02040205

Latitude 39°58'14", Longitude 75°44'31" NAD27

Gage datum 415 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	1994-05-04 12:01	EDT	Yes	MC	USGS	0.40	0.66	0.00	0.60	Unspecified	Clear	NONE
18	1993-12-13 09:15	EST	Yes	RD	USGS	0.10	0.56	0.00	0.20	Good	Clear	NONE
17	1993-07-22 13:28	EDT	Yes	MC	USGS	0.06	0.52	0.00	0.30	Unspecified		NONE
16	1993-04-21 11:10	EDT	Yes	MC	USGS	0.55	0.92	0.00	0.10	Fair	DebrisLight	NONE
14	1993-01-28 13:38	EST	Yes	MC	USGS	0.18	0.66	0.00		Unspecified		NONE
13	1992-08-25 11:00	EDT	Yes	KW/MC	USGS	0.00	0.48	0.00	0.30	Poor	Clear	NONE
12	1992-04-24 10:00	EDT	Yes	KW	USGS	0.07	0.59	0.00	0.40	Unspecified	Clear	NONE
11	1991-12-18 13:02	EST	Yes	KW	USGS	0.01	0.59	0.00	0.20	Unspecified		NONE
10	1991-09-04 08:40	EDT	Yes	RLD	USGS	0.00				Excellent		NONE
9	1991-07-08 08:30	EDT	Yes	RLD	USGS	0.01	0.60	0.00	0.20	Good	Clear	NONE
8	1991-05-10 12:30	EDT	Yes	MJC	USGS	0.19	0.70	0.00	0.20	Fair	Clear	NONE
7	1991-03-04 10:05	EST	Yes	RLD	USGS	2.64	1.17	-0.02	0.30	Fair	Clear	NONE
6	1991-02-04 08:50	EST	Yes	RLD	USGS	0.17	0.68	0.00	0.20	Fair	Clear	NONE
5	1991-01-14 11:00	EST	Yes	RLD	USGS	0.30	0.70	0.00	0.30	Fair	Clear	NONE
1	1990-10-10 08:00	EDT	Yes	KEW	USGS	0.00	0.58	0.00	0.10	Fair	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

1994-05-04 12:01

EDT

Yes

USGS

0.40

0.66

0.00

0.60

Unspecified

Clear

NONE

1993-12-13 09:15

EST

Yes

USGS

0.10

0.56

0.00

0.20

Good

Clear

NONE

1993-07-22 13:28

EDT

Yes

USGS

0.06

0.52

0.00

0.30

Unspecified

NONE

1993-04-21 11:10

EDT

Yes

USGS

0.55

0.92

0.00

0.10

Fair

DebrisLight

NONE

1993-01-28 13:38

EST

Yes

USGS

0.18

0.66

0.00

Unspecified

NONE

1992-08-25 11:00

EDT

Yes

KW/MC

USGS

0.00

0.48

0.00

0.30

Poor

Clear

NONE

1992-04-24 10:00

EDT

Yes

USGS

0.07

0.59

0.00

0.40

Unspecified

Clear

NONE

1991-12-18 13:02

EST

Yes

USGS

0.01

0.59

0.00

0.20

Unspecified

NONE

1991-09-04 08:40

EDT

Yes

RLD

USGS

0.00

Excellent

NONE

1991-07-08 08:30

EDT

Yes

RLD

USGS

0.01

0.60

0.00

0.20

Good

Clear

NONE

1991-05-10 12:30

EDT

Yes

MJC

USGS

0.19

0.70

0.00

0.20

Fair

Clear

NONE

1991-03-04 10:05

EST

Yes

RLD

USGS

2.64

1.17

-0.02

0.30

Fair

Clear

NONE

1991-02-04 08:50

EST

Yes

RLD

USGS

0.17

0.68

0.00

0.20

Fair

Clear

NONE

1991-01-14 11:00

EST

Yes

RLD

USGS

0.30

0.70

0.00

0.30

Fair

Clear

NONE

1990-10-10 08:00

EDT

Yes

KEW

USGS

0.00

0.58

0.00

0.10

Fair

Clear

NONE