USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 11045050 SANTA MARGARITA R A USMC DIV DAM NR YSIDORA CA

San Diego County, California

Hydrologic Unit Code 18070302

Latitude 33°20'17", Longitude 117°19'49" NAD27

Drainage area 710 square miles

Gage datum 110 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
52	2001-10-01 11:55	PDT	Yes	JLA	USGS	2.85				Poor	Clear	NONE
51	2001-09-05 11:17	PDT	Yes	JLA	USGS	5.00				Poor	Clear	NONE
50	2001-08-20 11:40	PDT	Yes	JLA	USGS	1.62				Poor	Clear	NONE
49	2001-08-02 09:17	PDT	Yes	JLA	USGS	5.37				Poor	Clear	NONE
48	2001-03-13 14:00	PST	Yes	JLA	USGS	20.6	39.86	0.00	0.50	Fair	Clear	NONE
47	2001-02-06 11:23	PST	Yes	JLA	USGS	3.94	38.29	0.00	0.50	Fair	Clear	NONE
46	2001-01-17 13:10	PST	Yes	RSP	USGS	19.7				Fair	Clear	NONE
45	2001-01-09 11:40	PST	Yes	JLA	USGS	7.92				Poor	Clear	NONE
44	2000-12-14 12:05	PST	Yes	JLA/KSS	USGS	8.90				Poor	Clear	NONE
43	2000-12-05 11:45	PST	Yes	JLA	USGS	9.35				Poor	Clear	NONE
42	2000-11-16 13:30	PST	Yes	JLA/KSS	USGS	9.87				Poor	Clear	NONE
41	2000-11-06 10:50	PST	Yes	JLA	USGS	6.71				Poor	Clear	NONE
40	2000-10-16 09:45	PDT	Yes	JLA	USGS	5.25				Poor	Clear	NONE
39	2000-10-05 11:26	PDT	Yes	JLA	USGS	6.06				Poor	Clear	NONE
38	2000-09-20 11:05	PDT	Yes	JLA	USGS	0.84				Poor	Clear	NONE
37	2000-09-06 10:49	PDT	Yes	JLA	USGS	0.10				Fair	Clear	NONE
36	2000-08-25 10:15	PDT	Yes	KSS	USGS	0.67				Fair	Clear	NONE
35	2000-08-09 10:15	PDT	Yes	JLA	USGS	4.24				Poor	Clear	NONE
34	2000-08-02 11:25	PDT	Yes	JLA	USGS	2.85				Poor	Clear	NONE
33	2000-07-18 12:30	PDT	Yes	JA	USGS	1.92				Poor	Clear	NONE
32	2000-07-06 12:40	PDT	Yes	JLA	USGS	4.05				Poor	Clear	NONE
31	2000-03-16 09:40	PST	Yes	JLA	USGS	2.12	39.44	0.00	0.50	Fair	Clear	NONE
30	2000-02-17 11:45	PST	Yes	JLA	USGS	1.02	38.78	0.00	0.30	Poor	Clear	NONE
29	2000-02-09 12:30	PST	Yes	KSS	USGS	0.68	38.20	0.00	0.30	Fair	Clear	NONE
28	2000-02-01 13:00	PST	Yes	JLA	USGS	0.98	38.40	0.00	0.50	Fair	Clear	NONE
27	2000-01-25 10:55	PST	Yes	JLA/KSS	USGS	0.85	38.11	0.02	0.30	Fair	Clear	NONE
26	2000-01-14 13:45	PST	Yes	KSS	USGS	0.97	38.11	0.00	0.40	Fair	Clear	NONE
25	2000-01-06 12:05	PST	Yes	JLA	USGS	0.68	38.13	0.00	0.40	Fair	Clear	NONE
24	1999-12-29 11:35	PST	Yes	JLA	USGS	0.73	38.04	0.00	0.50	Fair	Clear	NONE
23	1999-12-17 11:15	PST	Yes	JLA	USGS	1.49	38.00	0.00	0.50	Fair	Clear	NONE
22	1999-12-03 11:30	PST	Yes	JLA	USGS	4.90				Poor	Clear	NONE
21	1999-11-23 13:30	PST	Yes	JLA	USGS	3.62				Poor	Clear	NONE
20	1999-11-18 10:15	PST	Yes	JLA	USGS	4.19				Poor	Clear	NONE
19	1999-11-10 13:50	PST	Yes	KSS	USGS	5.72				Poor	Clear	NONE
18	1999-11-02 11:30	PST	Yes	JLA	USGS	3.79				Poor	Clear	NONE
17	1999-10-21 13:40	PDT	Yes	JLA	USGS	2.59				Poor	Clear	NONE
16	1999-10-15 11:25	PDT	Yes	JLA	USGS	3.24				Poor	Clear	NONE
15	1999-10-07 12:40	PDT	Yes	JLA	USGS	4.73				Poor	Clear	NONE
14	1999-09-29 14:05	PDT	Yes	JLA	USGS	4.07				Poor	Clear	NONE
13	1999-09-21 13:00	PDT	Yes	JLA	USGS	3.65				Poor	Clear	NONE
12	1999-09-14 14:08	PDT	Yes	JLA	USGS	1.65				Poor	Clear	NONE
11	1999-09-08 11:18	PDT	Yes	JLA	USGS	2.14				Poor	Clear	NONE
10	1999-08-20 10:00	PDT	Yes	JLA	USGS	2.05				Poor	Clear	NONE
9	1999-08-12 12:05	PDT	Yes	JLA	USGS	2.35				Poor	Clear	NONE
8	1999-07-30 10:30	PDT	Yes	KSS	USGS	4.62				Fair	Clear	NONE
7B	1999-07-23 11:30	PDT	Yes	KSS	USGS	2.84				Fair	Clear	NONE
7A	1999-07-13 11:20	PDT	Yes	JDK	USGS	4.03				Fair	Clear	NONE
6	1999-07-01 11:45	PDT	Yes	JLA	USGS	1.94				Fair	Clear	NONE
5	1999-06-03 10:40	PDT	Yes	JLA	USGS	2.36	38.50	0.00	0.30	Poor	Clear	NONE
4	1999-05-05 11:35	PDT	Yes	JLA	USGS	2.54	38.52	0.00	0.20	Poor	Clear	NONE
3	1999-04-06 13:55	PDT	Yes	JLA	USGS	1.39	38.78	0.00	0.30	Poor	Clear	NONE
2	1999-03-03 11:30	PST	Yes	JLA	USGS	2.66	38.47	-0.01	0.30	Fair	Clear	NONE
1	1999-02-18 12:00	PST	Yes	JLA/JDK	USGS	4.10	38.57	0.00	0.40	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

2001-10-01 11:55

PDT

Yes

JLA

USGS

2.85

Poor

Clear

NONE

2001-09-05 11:17

PDT

Yes

JLA

USGS

5.00

Poor

Clear

NONE

2001-08-20 11:40

PDT

Yes

JLA

USGS

1.62

Poor

Clear

NONE

2001-08-02 09:17

PDT

Yes

JLA

USGS

5.37

Poor

Clear

NONE

2001-03-13 14:00

PST

Yes

JLA

USGS

20.6

39.86

0.00

0.50

Fair

Clear

NONE

2001-02-06 11:23

PST

Yes

JLA

USGS

3.94

38.29

0.00

0.50

Fair

Clear

NONE

2001-01-17 13:10

PST

Yes

RSP

USGS

19.7

Fair

Clear

NONE

2001-01-09 11:40

PST

Yes

JLA

USGS

7.92

Poor

Clear

NONE

2000-12-14 12:05

PST

Yes

JLA/KSS

USGS

8.90

Poor

Clear

NONE

2000-12-05 11:45

PST

Yes

JLA

USGS

9.35

Poor

Clear

NONE

2000-11-16 13:30

PST

Yes

JLA/KSS

USGS

9.87

Poor

Clear

NONE

2000-11-06 10:50

PST

Yes

JLA

USGS

6.71

Poor

Clear

NONE

2000-10-16 09:45

PDT

Yes

JLA

USGS

5.25

Poor

Clear

NONE

2000-10-05 11:26

PDT

Yes

JLA

USGS

6.06

Poor

Clear

NONE

2000-09-20 11:05

PDT

Yes

JLA

USGS

0.84

Poor

Clear

NONE

2000-09-06 10:49

PDT

Yes

JLA

USGS

0.10

Fair

Clear

NONE

2000-08-25 10:15

PDT

Yes

KSS

USGS

0.67

Fair

Clear

NONE

2000-08-09 10:15

PDT

Yes

JLA

USGS

4.24

Poor

Clear

NONE

2000-08-02 11:25

PDT

Yes

JLA

USGS

2.85

Poor

Clear

NONE

2000-07-18 12:30

PDT

Yes

USGS

1.92

Poor

Clear

NONE

2000-07-06 12:40

PDT

Yes

JLA

USGS

4.05

Poor

Clear

NONE

2000-03-16 09:40

PST

Yes

JLA

USGS

2.12

39.44

0.00

0.50

Fair

Clear

NONE

2000-02-17 11:45

PST

Yes

JLA

USGS

1.02

38.78

0.00

0.30

Poor

Clear

NONE

2000-02-09 12:30

PST

Yes

KSS

USGS

0.68

38.20

0.00

0.30

Fair

Clear

NONE

2000-02-01 13:00

PST

Yes

JLA

USGS

0.98

38.40

0.00

0.50

Fair

Clear

NONE

2000-01-25 10:55

PST

Yes

JLA/KSS

USGS

0.85

38.11

0.02

0.30

Fair

Clear

NONE

2000-01-14 13:45

PST

Yes

KSS

USGS

0.97

38.11

0.00

0.40

Fair

Clear

NONE

2000-01-06 12:05

PST

Yes

JLA

USGS

0.68

38.13

0.00

0.40

Fair

Clear

NONE

1999-12-29 11:35

PST

Yes

JLA

USGS

0.73

38.04

0.00

0.50

Fair

Clear

NONE

1999-12-17 11:15

PST

Yes

JLA

USGS

1.49

38.00

0.00

0.50

Fair

Clear

NONE

1999-12-03 11:30

PST

Yes

JLA

USGS

4.90

Poor

Clear

NONE

1999-11-23 13:30

PST

Yes

JLA

USGS

3.62

Poor

Clear

NONE

1999-11-18 10:15

PST

Yes

JLA

USGS

4.19

Poor

Clear

NONE

1999-11-10 13:50

PST

Yes

KSS

USGS

5.72

Poor

Clear

NONE

1999-11-02 11:30

PST

Yes

JLA

USGS

3.79

Poor

Clear

NONE

1999-10-21 13:40

PDT

Yes

JLA

USGS

2.59

Poor

Clear

NONE

1999-10-15 11:25

PDT

Yes

JLA

USGS

3.24

Poor

Clear

NONE

1999-10-07 12:40

PDT

Yes

JLA

USGS

4.73

Poor

Clear

NONE

1999-09-29 14:05

PDT

Yes

JLA

USGS

4.07

Poor

Clear

NONE

1999-09-21 13:00

PDT

Yes

JLA

USGS

3.65

Poor

Clear

NONE

1999-09-14 14:08

PDT

Yes

JLA

USGS

1.65

Poor

Clear

NONE

1999-09-08 11:18

PDT

Yes

JLA

USGS

2.14

Poor

Clear

NONE

1999-08-20 10:00

PDT

Yes

JLA

USGS

2.05

Poor

Clear

NONE

1999-08-12 12:05

PDT

Yes

JLA

USGS

2.35

Poor

Clear

NONE

1999-07-30 10:30

PDT

Yes

KSS

USGS

4.62

Fair

Clear

NONE

1999-07-23 11:30

PDT

Yes

KSS

USGS

2.84

Fair

Clear

NONE

1999-07-13 11:20

PDT

Yes

JDK

USGS

4.03

Fair

Clear

NONE

1999-07-01 11:45

PDT

Yes

JLA

USGS

1.94

Fair

Clear

NONE

1999-06-03 10:40

PDT

Yes

JLA

USGS

2.36

38.50

0.00

0.30

Poor

Clear

NONE

1999-05-05 11:35

PDT

Yes

JLA

USGS

2.54

38.52

0.00

0.20

Poor

Clear

NONE

1999-04-06 13:55

PDT

Yes

JLA

USGS

1.39

38.78

0.00

0.30

Poor

Clear

NONE

1999-03-03 11:30

PST

Yes

JLA

USGS

2.66

38.47

-0.01

0.30

Fair

Clear

NONE

1999-02-18 12:00

PST

Yes

JLA/JDK

USGS

4.10

38.57

0.00

0.40

Fair

Clear

NONE