USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 11049400 SANTA ANA R AB SEVEN OAKS DAM

San Bernardino County, California

Hydrologic Unit Code 18070203

Latitude 34°08'34", Longitude 117°04'07" NAD27

Drainage area 200 square miles

Contributing drainage area 167 square miles

Gage datum 2,540 feet above NGVD29

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Meas. Number	Date Time	Time Datum	Measurement Used?	Who	Measuring Agency	Stream flow (ft³/s)	GH Change (ft)	Meas. Duration (hr)	Meas. Rated	Control	Flow Adjust. Code
35	2006-08-10 11:30	PDT	Yes	rhk	USGS	3.60			Fair	Clear	NONE
34	2006-06-22 11:35	PDT	Yes	cab	USGS	4.00			Fair	Clear	NONE
33	2006-04-21 11:15	PDT	Yes	rhk	USGS	123	0.00	1.00	Poor	Clear	NONE
32	2006-02-08 11:30	PST	Yes	CAB	USGS	1.28			Fair	Clear	NONE
31	2005-12-16 11:35	PST	Yes	rk	USGS	1.30			Fair	Clear	NONE
30	2005-10-13 11:30	PDT	Yes	rk	USGS	2.10			Fair	Clear	NONE
29	2005-08-08 15:20	PDT	Yes	rhk/cab	USGS	98.6			Fair	Clear	NONE
28	2005-06-14 10:40	PDT	Yes	rk	USGS	54.7			Good	Clear	NONE
27	2005-04-18 17:23	PDT	Yes	(rk/cb)	USGS	73.3			Poor	Clear	NONE
25	2004-12-14 11:45	PST	Yes	rk	USGS	7.20			Fair	Clear	NONE
24	2004-10-15 10:55	PDT	Yes	cab	USGS	0.56			Fair	Clear	NONE
23	2004-08-13 13:55	PDT	Yes	rk	USGS	6.40			Fair	DebrisLight	NONE
26	2004-06-18 14:45	PDT	Yes	rgf	USGS	0.34			Good	Clear	NONE
22	2004-04-13 14:30	PDT	Yes	rk	USGS	0.74	0.00	0.50	Fair	Clear	NONE
21	2004-03-11 14:48	PST	Yes	rgf	USGS	1.87	0.00	1.00	Good	Clear	NONE
20	2004-02-12 13:42	PST	Yes	CAB	USGS	0.90			Fair	Clear	NONE
19	2004-01-15 17:10	PST	Yes	rgf	USGS	1.34	0.00	0.50	Good	Clear	NONE
18	2003-12-11 13:45	PST	Yes	rgf	USGS	3.24	0.05	1.00	Good	Clear	NONE
17	2003-10-16 15:10	PDT	Yes	rgf	USGS	0.39	0.00	1.00	Fair	Clear	NONE
16	2003-08-14 15:55	PDT	Yes	rgf	USGS	0.46	0.00	0.50	Good	Clear	NONE
15	2003-06-12 15:50	PDT	Yes	rgf	USGS	1.08	0.00	1.00	Good	Clear	NONE
14	2003-04-17 16:25	PDT	Yes	rgf	USGS	60.6	0.00	0.50	Good	Clear	NONE
13	2003-03-13 16:55	PST	Yes	rgf	USGS	1.78	0.00	1.00	Good	Clear	NONE
12	2003-02-14 15:10	PST	Yes	rgf	USGS	110	0.00	1.00	Fair		NONE
11	2003-01-16 15:40	PST	Yes	rgf	USGS	1.48	0.00	1.00	Good	Clear	NONE
10	2002-12-12 16:15	PST	Yes	rgf	USGS	1.47	0.00	1.00	Excellent	Clear	NONE
9	2002-10-16 18:10	PDT	Yes	rgf	USGS	1.02	0.00	1.00	Good	Clear	NONE
8	2002-08-15 15:55	PDT	Yes	rgf	USGS	0.54	0.00	1.00	Good	VegetationLight	NONE
7	2002-06-13 17:15	PDT	Yes	rgf	USGS	0.73	0.00	1.00	Good	Clear	NONE
6	2002-04-18 14:20	PDT	Yes	rgf	USGS	0.86	0.00	1.00	Good	Clear	NONE
5	2002-03-14 16:00	PST	Yes	rk	USGS	0.86	0.00	1.00	Good	Clear	NONE
4	2002-02-14 13:55	PST	Yes	rk	USGS	0.94	0.00	0.70	Good	Clear	NONE
3	2002-01-17 14:30	PST	Yes	rgf	USGS	0.87			Good	Clear	NONE
2	2001-12-13 14:15	PST	Yes	rgf	USGS	0.83			Good	Clear	NONE
1	2000-03-15 11:48	PST	Yes	rgf	USGS	30.7			Good	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

2006-08-10 11:30

PDT

Yes

rhk

USGS

3.60

Fair

Clear

NONE

2006-06-22 11:35

PDT

Yes

cab

USGS

4.00

Fair

Clear

NONE

2006-04-21 11:15

PDT

Yes

rhk

USGS

123

0.00

1.00

Poor

Clear

NONE

2006-02-08 11:30

PST

Yes

CAB

USGS

1.28

Fair

Clear

NONE

2005-12-16 11:35

PST

Yes

USGS

1.30

Fair

Clear

NONE

2005-10-13 11:30

PDT

Yes

USGS

2.10

Fair

Clear

NONE

2005-08-08 15:20

PDT

Yes

rhk/cab

USGS

98.6

Fair

Clear

NONE

2005-06-14 10:40

PDT

Yes

USGS

54.7

Good

Clear

NONE

2005-04-18 17:23

PDT

Yes

(rk/cb)

USGS

73.3

Poor

Clear

NONE

2004-12-14 11:45

PST

Yes

USGS

7.20

Fair

Clear

NONE

2004-10-15 10:55

PDT

Yes

cab

USGS

0.56

Fair

Clear

NONE

2004-08-13 13:55

PDT

Yes

USGS

6.40

Fair

DebrisLight

NONE

2004-06-18 14:45

PDT

Yes

rgf

USGS

0.34

Good

Clear

NONE

2004-04-13 14:30

PDT

Yes

USGS

0.74

0.00

0.50

Fair

Clear

NONE

2004-03-11 14:48

PST

Yes

rgf

USGS

1.87

0.00

1.00

Good

Clear

NONE

2004-02-12 13:42

PST

Yes

CAB

USGS

0.90

Fair

Clear

NONE

2004-01-15 17:10

PST

Yes

rgf

USGS

1.34

0.00

0.50

Good

Clear

NONE

2003-12-11 13:45

PST

Yes

rgf

USGS

3.24

0.05

1.00

Good

Clear

NONE

2003-10-16 15:10

PDT

Yes

rgf

USGS

0.39

0.00

1.00

Fair

Clear

NONE

2003-08-14 15:55

PDT

Yes

rgf

USGS

0.46

0.00

0.50

Good

Clear

NONE

2003-06-12 15:50

PDT

Yes

rgf

USGS

1.08

0.00

1.00

Good

Clear

NONE

2003-04-17 16:25

PDT

Yes

rgf

USGS

60.6

0.00

0.50

Good

Clear

NONE

2003-03-13 16:55

PST

Yes

rgf

USGS

1.78

0.00

1.00

Good

Clear

NONE

2003-02-14 15:10

PST

Yes

rgf

USGS

110

0.00

1.00

Fair

NONE

2003-01-16 15:40

PST

Yes

rgf

USGS

1.48

0.00

1.00

Good

Clear

NONE

2002-12-12 16:15

PST

Yes

rgf

USGS

1.47

0.00

1.00

Excellent

Clear

NONE

2002-10-16 18:10

PDT

Yes

rgf

USGS

1.02

0.00

1.00

Good

Clear

NONE

2002-08-15 15:55

PDT

Yes

rgf

USGS

0.54

0.00

1.00

Good

VegetationLight

NONE

2002-06-13 17:15

PDT

Yes

rgf

USGS

0.73

0.00

1.00

Good

Clear

NONE

2002-04-18 14:20

PDT

Yes

rgf

USGS

0.86

0.00

1.00

Good

Clear

NONE

2002-03-14 16:00

PST

Yes

USGS

0.86

0.00

1.00

Good

Clear

NONE

2002-02-14 13:55

PST

Yes

USGS

0.94

0.00

0.70

Good

Clear

NONE

2002-01-17 14:30

PST

Yes

rgf

USGS

0.87

Good

Clear

NONE

2001-12-13 14:15

PST

Yes

rgf

USGS

0.83

Good

Clear

NONE

2000-03-15 11:48

PST

Yes

rgf

USGS

30.7

Good

Clear

NONE