USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 11181006 CASTRO VALLEY C A KNOX ST AT CASTRO VAL CA

Alameda County, California

Hydrologic Unit Code 18050004

Latitude 37°40'56", Longitude 122°04'44" NAD27

Drainage area 2.20 square miles

Gage datum 130 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
70	1999-01-20 08:40	PST	Yes	JJG	USGS	2.50	0.95	-0.01	0.70	Poor	Clear	NONE
69	1998-10-21 14:05	PDT	Yes	JJG	USGS	0.06	0.50	0.00	0.50	Fair	VegetationLight	NONE
68	1993-10-07 13:50	PDT	Yes	JJG	USGS	0.08	0.47	0.00	0.70	Good	DebrisLight	NONE
67	1993-08-03 15:15	PDT	Yes	JJG	USGS	0.08	0.49	0.00	0.50	Fair	DebrisLight	NONE
66	1993-05-11 17:05	PDT	Yes	KSW	USGS	0.19	0.55	0.00	0.30	Poor	DebrisModerate	NONE
65	1993-03-09 08:45	PST	Yes	JJG/WLB	USGS	0.54	0.62	0.00	0.30	Poor	Clear	NONE
64	1993-02-02 15:35	PST	Yes	JJG	USGS	0.55	0.61	0.00	0.40	Fair	Clear	NONE
63	1993-01-05 15:10	PST	Yes	JJG	USGS	0.29	0.55	0.00	0.30	Poor	Clear	NONE
62	1992-11-20 09:20	PST	Yes	JJG	USGS	0.09	0.47	0.00	0.50	Good	DebrisLight	NONE
61	1992-10-13 11:10	PDT	Yes	KSW	USGS	0.02	0.43	0.00	0.50	Fair	DebrisLight	NONE
60	1992-09-16 11:00	PDT	Yes	KSW/JJG	USGS	0.02	0.46	0.00	0.50	Fair	DebrisLight	NONE
59	1992-07-28 08:30	PDT	Yes	JJG/KSW	USGS	0.04	0.46	0.00	0.50	Good	DebrisModerate	NONE
58	1992-06-02 15:00	PDT	Yes	JJG	USGS	0.08	0.51	0.00	0.60	Good	DebrisModerate	NONE
57	1992-04-30 10:05	PDT	Yes	JJG	USGS	0.10	0.51	0.00	0.70	Good	DebrisLight	NONE
56	1992-03-24 14:15	PST	Yes	JJG	USGS	0.35	0.56	0.00	0.30	Poor	Clear	NONE
55	1992-01-21 14:50	PST	Yes	JJG	USGS	0.06	0.46	0.00	0.70	Good	DebrisLight	NONE
54	1991-12-27 13:50	PST	Yes	JJG	USGS	0.04	0.49	0.00	0.50	Fair	DebrisModerate	NONE
53	1991-12-10 14:00	PST	Yes	JJG	USGS	0.02	0.43	0.01	0.70	Fair	DebrisLight	NONE
52	1991-10-08 09:50	PDT	Yes	JJG	USGS	0.01	0.48	0.00	0.30	Good	DebrisHeavy	NONE
51	1991-07-29 13:20	PDT	Yes	JG	USGS	0.03	0.42	0.00	0.50	Good	DebrisLight	NONE
50	1991-06-10 13:35	PDT	Yes	JG	USGS	0.05	0.44	0.00	0.40	Good	Clear	NONE
49	1991-03-26 12:25	PST	Yes	JG	USGS	71.1	2.48	-0.52	0.30	Poor	Clear	NONE
48	1991-03-26 08:30	PST	Yes	JG	USGS	10.2	1.24	-0.07	0.40	Good	Clear	NONE
47	1991-03-03 13:40	PST	Yes	JG	USGS	5.18	1.05	-0.03	0.50	Fair	Clear	NONE
46	1991-01-22 12:40	PST	Yes	JG	USGS	0.04	0.49	0.00	0.40	Good	Clear	NONE
45	1990-12-11 14:00	PST	Yes	JG	USGS	0.31	0.58	0.00	0.50	Poor	Clear	NONE
44	1990-10-23 12:55	PDT	Yes	JJG	USGS	0.01	0.42	0.00	0.60	Good	DebrisLight	NONE
43	1990-09-17 14:15	PDT	Yes	JJG	USGS	0.02	0.44	0.01	0.60	Good	DebrisModerate	NONE
42	1990-07-24 11:15	PDT	Yes	JJG/KLS	USGS	0.04	0.44	0.02	0.50	Good	VegetationLight	NONE
41	1990-06-05 10:45	PDT	Yes	JJG	USGS	0.09	0.47	0.01	0.70	Good	DebrisModerate	NONE
40	1990-04-16 13:30	PDT	Yes	JJG	USGS	0.07	0.48	0.00	0.50	Good	VegetationLight	NONE
39	1990-03-12 13:10	PST	Yes	JJG	USGS	0.12	0.49	0.00	0.70	Good	VegetationLight	NONE
38	1990-02-12 13:30	PST	Yes	JJG	USGS	0.13	0.48	0.00	0.50	Fair	Clear	NONE
37	1990-01-13 16:20	PST	Yes	JJG/DMS	USGS	7.19	1.16	-0.20	0.40	Fair	Clear	NONE
36	1990-01-13 11:45	PST	Yes	JJG/DMS	USGS	1.00	0.68	0.08	0.40	Fair	Clear	NONE
35	1990-01-08 13:25	PST	Yes	JJG	USGS	0.20	0.53	0.00	0.30	Fair	Clear	NONE
34	1989-12-04 14:50	PST	Yes	JJG	USGS	0.07	0.49	0.00	0.50	Fair		NONE
33	1989-10-23 15:40	PDT	Yes	KLM/KLS	USGS	2.11	0.84	-0.03	0.60	Fair	Clear	NONE
32	1989-10-17 11:45	PDT	Yes	JJG	USGS	0.04	0.42	-0.02	0.50	Good	Clear	NONE
31	1989-09-13 15:05	PDT	Yes	JJG	USGS	0.07	0.46	0.04	0.60	Fair	Clear	NONE
30	1989-09-13 14:30	PDT	Yes	JJG	USGS	0.03	0.42	0.00	0.30	Fair	Clear	NONE
29	1980-09-09 15:10	PDT	Yes	LEE	USGS	0.01	0.47			Unspecified	DebrisHeavy	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

1999-01-20 08:40

PST

Yes

JJG

USGS

2.50

0.95

-0.01

0.70

Poor

Clear

NONE

1998-10-21 14:05

PDT

Yes

JJG

USGS

0.06

0.50

0.00

0.50

Fair

VegetationLight

NONE

1993-10-07 13:50

PDT

Yes

JJG

USGS

0.08

0.47

0.00

0.70

Good

DebrisLight

NONE

1993-08-03 15:15

PDT

Yes

JJG

USGS

0.08

0.49

0.00

0.50

Fair

DebrisLight

NONE

1993-05-11 17:05

PDT

Yes

KSW

USGS

0.19

0.55

0.00

0.30

Poor

DebrisModerate

NONE

1993-03-09 08:45

PST

Yes

JJG/WLB

USGS

0.54

0.62

0.00

0.30

Poor

Clear

NONE

1993-02-02 15:35

PST

Yes

JJG

USGS

0.55

0.61

0.00

0.40

Fair

Clear

NONE

1993-01-05 15:10

PST

Yes

JJG

USGS

0.29

0.55

0.00

0.30

Poor

Clear

NONE

1992-11-20 09:20

PST

Yes

JJG

USGS

0.09

0.47

0.00

0.50

Good

DebrisLight

NONE

1992-10-13 11:10

PDT

Yes

KSW

USGS

0.02

0.43

0.00

0.50

Fair

DebrisLight

NONE

1992-09-16 11:00

PDT

Yes

KSW/JJG

USGS

0.02

0.46

0.00

0.50

Fair

DebrisLight

NONE

1992-07-28 08:30

PDT

Yes

JJG/KSW

USGS

0.04

0.46

0.00

0.50

Good

DebrisModerate

NONE

1992-06-02 15:00

PDT

Yes

JJG

USGS

0.08

0.51

0.00

0.60

Good

DebrisModerate

NONE

1992-04-30 10:05

PDT

Yes

JJG

USGS

0.10

0.51

0.00

0.70

Good

DebrisLight

NONE

1992-03-24 14:15

PST

Yes

JJG

USGS

0.35

0.56

0.00

0.30

Poor

Clear

NONE

1992-01-21 14:50

PST

Yes

JJG

USGS

0.06

0.46

0.00

0.70

Good

DebrisLight

NONE

1991-12-27 13:50

PST

Yes

JJG

USGS

0.04

0.49

0.00

0.50

Fair

DebrisModerate

NONE

1991-12-10 14:00

PST

Yes

JJG

USGS

0.02

0.43

0.01

0.70

Fair

DebrisLight

NONE

1991-10-08 09:50

PDT

Yes

JJG

USGS

0.01

0.48

0.00

0.30

Good

DebrisHeavy

NONE

1991-07-29 13:20

PDT

Yes

USGS

0.03

0.42

0.00

0.50

Good

DebrisLight

NONE

1991-06-10 13:35

PDT

Yes

USGS

0.05

0.44

0.00

0.40

Good

Clear

NONE

1991-03-26 12:25

PST

Yes

USGS

71.1

2.48

-0.52

0.30

Poor

Clear

NONE

1991-03-26 08:30

PST

Yes

USGS

10.2

1.24

-0.07

0.40

Good

Clear

NONE

1991-03-03 13:40

PST

Yes

USGS

5.18

1.05

-0.03

0.50

Fair

Clear

NONE

1991-01-22 12:40

PST

Yes

USGS

0.04

0.49

0.00

0.40

Good

Clear

NONE

1990-12-11 14:00

PST

Yes

USGS

0.31

0.58

0.00

0.50

Poor

Clear

NONE

1990-10-23 12:55

PDT

Yes

JJG

USGS

0.01

0.42

0.00

0.60

Good

DebrisLight

NONE

1990-09-17 14:15

PDT

Yes

JJG

USGS

0.02

0.44

0.01

0.60

Good

DebrisModerate

NONE

1990-07-24 11:15

PDT

Yes

JJG/KLS

USGS

0.04

0.44

0.02

0.50

Good

VegetationLight

NONE

1990-06-05 10:45

PDT

Yes

JJG

USGS

0.09

0.47

0.01

0.70

Good

DebrisModerate

NONE

1990-04-16 13:30

PDT

Yes

JJG

USGS

0.07

0.48

0.00

0.50

Good

VegetationLight

NONE

1990-03-12 13:10

PST

Yes

JJG

USGS

0.12

0.49

0.00

0.70

Good

VegetationLight

NONE

1990-02-12 13:30

PST

Yes

JJG

USGS

0.13

0.48

0.00

0.50

Fair

Clear

NONE

1990-01-13 16:20

PST

Yes

JJG/DMS

USGS

7.19

1.16

-0.20

0.40

Fair

Clear

NONE

1990-01-13 11:45

PST

Yes

JJG/DMS

USGS

1.00

0.68

0.08

0.40

Fair

Clear

NONE

1990-01-08 13:25

PST

Yes

JJG

USGS

0.20

0.53

0.00

0.30

Fair

Clear

NONE

1989-12-04 14:50

PST

Yes

JJG

USGS

0.07

0.49

0.00

0.50

Fair

NONE

1989-10-23 15:40

PDT

Yes

KLM/KLS

USGS

2.11

0.84

-0.03

0.60

Fair

Clear

NONE

1989-10-17 11:45

PDT

Yes

JJG

USGS

0.04

0.42

-0.02

0.50

Good

Clear

NONE

1989-09-13 15:05

PDT

Yes

JJG

USGS

0.07

0.46

0.04

0.60

Fair

Clear

NONE

1989-09-13 14:30

PDT

Yes

JJG

USGS

0.03

0.42

0.00

0.30

Fair

Clear

NONE

1980-09-09 15:10

PDT

Yes

LEE

USGS

0.01

0.47

Unspecified

DebrisHeavy

NONE