USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 08135000 N Concho Rv at San Angelo, TX

Tom Green County, Texas

Hydrologic Unit Code 12090104

Latitude 31°27'57", Longitude 100°26'51" NAD27

Drainage area 1,525 square miles

Contributing drainage area 1,450 square miles

Gage datum 1,813.42 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
644	1990-08-20 13:28	CDT	Yes	TET	USGS	0.50	1.65	0.00		Fair	Clear	NONE
643	1990-06-11 12:40	CDT	Yes	HJ	USGS	1.02	1.67	0.00		Poor	Clear	NONE
642	1990-05-15 10:40	CDT	Yes	JGP/TET	USGS	1.29	1.79	0.00		Fair	VegetationLight	NONE
641	1990-03-08 13:40	CST	Yes	HJ	USGS	1.37	1.78	0.00		Fair	Clear	NONE
640	1990-02-07 13:50	CST	Yes	HJ	USGS	1.01	1.74	0.00		Fair	DebrisLight	NONE
639	1989-12-07 13:20	CST	Yes	HJ	USGS	0.76	1.68	0.00		Fair	Clear	NONE
638	1989-10-16 14:30	CDT	Yes	HJ	USGS	0.29	1.61	0.00		Fair	Clear	NONE
637	1989-08-30 13:45	CDT	Yes	HJ	USGS	0.29	1.59	0.00		Fair	Clear	NONE
636	1989-07-20 14:40	CDT	Yes	HJ	USGS	0.21	1.57	0.00		Fair	Clear	NONE
635	1989-06-01 14:55	CDT	Yes	HJ	USGS	2.57	1.86	0.00		Fair	Clear	NONE
634	1989-03-28 14:30	CST	Yes	HJ	USGS	5.64	2.03	-0.02	1.00	Fair	Clear	NONE
633	1989-01-31 15:30	CST	Yes	HJ	USGS	1.31	1.80	0.00		Fair	Clear	NONE
632	1988-12-20 09:50	CST	Yes	HJ	USGS	1.32	1.78	0.00		Fair	DebrisLight	NONE
631	1988-10-24 14:05	CDT	Yes	HJ	USGS	0.91	1.71	0.00		Fair	DebrisLight	NONE
630	1988-09-12 15:20	CDT	Yes	HJ	USGS	0.96	1.70	0.00		Poor	Clear	NONE
629	1988-07-27 10:00	CDT	Yes	HJ	USGS	2.94	1.92	-0.01	1.00	Fair	Clear	NONE
628	1988-06-02 15:15	CDT	Yes	HJ	USGS	2.00	1.85	0.00		Fair	DebrisLight	NONE
627	1988-04-19 13:15	CDT	Yes	HJ	USGS	2.51	1.88	0.00		Fair	DebrisLight	NONE
626	1988-02-17 11:05	CST	Yes	WHM/HJ	USGS	2.31	1.88	0.00		Fair	DebrisLight	NONE
625	1987-12-21 10:00	CST	Yes	HJ	USGS	2.83	1.92	0.00		Fair	Clear	NONE
624	1987-11-03 10:00	CST	Yes	HJ	USGS	2.16	1.86	0.00		Fair	DebrisLight	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

644

1990-08-20 13:28

CDT

Yes

TET

USGS

0.50

1.65

0.00

Fair

Clear

NONE

643

1990-06-11 12:40

CDT

Yes

USGS

1.02

1.67

0.00

Poor

Clear

NONE

642

1990-05-15 10:40

CDT

Yes

JGP/TET

USGS

1.29

1.79

0.00

Fair

VegetationLight

NONE

641

1990-03-08 13:40

CST

Yes

USGS

1.37

1.78

0.00

Fair

Clear

NONE

640

1990-02-07 13:50

CST

Yes

USGS

1.01

1.74

0.00

Fair

DebrisLight

NONE

639

1989-12-07 13:20

CST

Yes

USGS

0.76

1.68

0.00

Fair

Clear

NONE

638

1989-10-16 14:30

CDT

Yes

USGS

0.29

1.61

0.00

Fair

Clear

NONE

637

1989-08-30 13:45

CDT

Yes

USGS

0.29

1.59

0.00

Fair

Clear

NONE

636

1989-07-20 14:40

CDT

Yes

USGS

0.21

1.57

0.00

Fair

Clear

NONE

635

1989-06-01 14:55

CDT

Yes

USGS

2.57

1.86

0.00

Fair

Clear

NONE

634

1989-03-28 14:30

CST

Yes

USGS

5.64

2.03

-0.02

1.00

Fair

Clear

NONE

633

1989-01-31 15:30

CST

Yes

USGS

1.31

1.80

0.00

Fair

Clear

NONE

632

1988-12-20 09:50

CST

Yes

USGS

1.32

1.78

0.00

Fair

DebrisLight

NONE

631

1988-10-24 14:05

CDT

Yes

USGS

0.91

1.71

0.00

Fair

DebrisLight

NONE

630

1988-09-12 15:20

CDT

Yes

USGS

0.96

1.70

0.00

Poor

Clear

NONE

629

1988-07-27 10:00

CDT

Yes

USGS

2.94

1.92

-0.01

1.00

Fair

Clear

NONE

628

1988-06-02 15:15

CDT

Yes

USGS

2.00

1.85

0.00

Fair

DebrisLight

NONE

627

1988-04-19 13:15

CDT

Yes

USGS

2.51

1.88

0.00

Fair

DebrisLight

NONE

626

1988-02-17 11:05

CST

Yes

WHM/HJ

USGS

2.31

1.88

0.00

Fair

DebrisLight

NONE

625

1987-12-21 10:00

CST

Yes

USGS

2.83

1.92

0.00

Fair

Clear

NONE

624

1987-11-03 10:00

CST

Yes

USGS

2.16

1.86

0.00

Fair

DebrisLight

NONE