USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01475555 Hermesprota Creek at Darby, PA

Delaware County, Pennsylvania

Hydrologic Unit Code 02040202

Latitude 39°54'02", Longitude 75°16'19" NAD27

Drainage area 1.01 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
23	1986-04-17 11:35	EST	Yes	GJ/VC	USGS	4.99				Fair	Clear	NONE
22	1985-09-27 12:40	EDT	Yes	GJ/JM	USGS	31.0	2.04			Fair	Clear	NONE
21	1985-09-27 12:15	EDT	Yes	GJ/SM	USGS	31.6				Unspecified	Clear	NONE
20	1985-09-27 11:52	EDT	Yes	GJ/SM	USGS	55.3	2.15			Unspecified	Clear	NONE
19	1985-09-27 11:30	EDT	Yes	GJ/JM	USGS	63.4	2.31			Poor	Clear	NONE
18	1984-04-05 10:50	EST	Yes	MZ	USGS	20.5				Poor	Clear	NONE
17	1983-12-13 12:40	EST	Yes	KG	USGS	61.4	3.26	-0.09	0.30	Fair	DebrisModerate	NONE
16	1983-03-21 11:45	EST	Yes	KG/SK	USGS	59.8	3.36	0.20	0.30	Fair	DebrisLight	NONE
15	1983-03-21 11:15	EST	Yes	KG/SK	USGS	116	3.49	-0.05	0.20	Poor	DebrisLight	NONE
14	1982-07-27 11:30	EDT	Yes	KG	USGS	0.12	1.73	0.00	0.30	Poor	Clear	NONE
13	1981-10-17 11:25	EDT	Yes	KG	USGS	0.38	1.79	0.00	0.50	Good	Clear	NONE
12	1981-04-28 08:50	EDT	Yes	KG	USGS	0.21	1.77	0.00	0.30	Good	Clear	NONE
11	1981-04-14 09:55	EST	Yes	KG	USGS	203	4.01	0.05	0.30	Fair	DebrisLight	NONE
10	1980-06-25 10:10	EDT	Yes	KG	USGS	0.51	1.82	0.00	0.40	Fair		NONE
9	1980-03-31 16:10	EST	Yes	KG	USGS	67.0	3.20	0.28	0.50	Fair	Unspecifed	NONE
8	1980-03-21 13:35	EST	Yes	KG	USGS	49.4	3.03	-0.07	0.60	Fair	Unspecifed	NONE
7	1980-02-28 13:40	EST	Yes	KG	USGS	1.36	1.97	0.00	0.40	Poor	Clear	NONE
6	1979-01-02 12:35	EST	Yes	R/P	USGS	39.1	2.86	-0.01	0.40	Fair	Clear	NONE
5	1978-10-03 14:00	EDT	Yes	GWP	USGS	0.35	1.75	-0.01	0.50	Good	Clear	NONE
4	1978-07-28 11:23	EDT	Yes	R/P	USGS	1.39	1.98	-0.02	0.60	Fair	DebrisLight	NONE
3	1977-10-18 11:00	EDT	Yes	VC	USGS	0.37		0.00	0.40	Fair	Clear	NONE
2	1977-04-20 12:40	EST	Yes	VC	USGS	0.40	1.09	0.00	0.30	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

1986-04-17 11:35

EST

Yes

GJ/VC

USGS

4.99

Fair

Clear

NONE

1985-09-27 12:40

EDT

Yes

GJ/JM

USGS

31.0

2.04

Fair

Clear

NONE

1985-09-27 12:15

EDT

Yes

GJ/SM

USGS

31.6

Unspecified

Clear

NONE

1985-09-27 11:52

EDT

Yes

GJ/SM

USGS

55.3

2.15

Unspecified

Clear

NONE

1985-09-27 11:30

EDT

Yes

GJ/JM

USGS

63.4

2.31

Poor

Clear

NONE

1984-04-05 10:50

EST

Yes

USGS

20.5

Poor

Clear

NONE

1983-12-13 12:40

EST

Yes

USGS

61.4

3.26

-0.09

0.30

Fair

DebrisModerate

NONE

1983-03-21 11:45

EST

Yes

KG/SK

USGS

59.8

3.36

0.20

0.30

Fair

DebrisLight

NONE

1983-03-21 11:15

EST

Yes

KG/SK

USGS

116

3.49

-0.05

0.20

Poor

DebrisLight

NONE

1982-07-27 11:30

EDT

Yes

USGS

0.12

1.73

0.00

0.30

Poor

Clear

NONE

1981-10-17 11:25

EDT

Yes

USGS

0.38

1.79

0.00

0.50

Good

Clear

NONE

1981-04-28 08:50

EDT

Yes

USGS

0.21

1.77

0.00

0.30

Good

Clear

NONE

1981-04-14 09:55

EST

Yes

USGS

203

4.01

0.05

0.30

Fair

DebrisLight

NONE

1980-06-25 10:10

EDT

Yes

USGS

0.51

1.82

0.00

0.40

Fair

NONE

1980-03-31 16:10

EST

Yes

USGS

67.0

3.20

0.28

0.50

Fair

Unspecifed

NONE

1980-03-21 13:35

EST

Yes

USGS

49.4

3.03

-0.07

0.60

Fair

Unspecifed

NONE

1980-02-28 13:40

EST

Yes

USGS

1.36

1.97

0.00

0.40

Poor

Clear

NONE

1979-01-02 12:35

EST

Yes

R/P

USGS

39.1

2.86

-0.01

0.40

Fair

Clear

NONE

1978-10-03 14:00

EDT

Yes

GWP

USGS

0.35

1.75

-0.01

0.50

Good

Clear

NONE

1978-07-28 11:23

EDT

Yes

R/P

USGS

1.39

1.98

-0.02

0.60

Fair

DebrisLight

NONE

1977-10-18 11:00

EDT

Yes

USGS

0.37

0.00

0.40

Fair

Clear

NONE

1977-04-20 12:40

EST

Yes

USGS

0.40

1.09

0.00

0.30

Fair

Clear

NONE