USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

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USGS 11467500 SF GUALALA R NR ANNAPOLIS CA

Sonoma County, California

Hydrologic Unit Code 18010109

Latitude 38°42'18", Longitude 123°25'19" NAD27

Drainage area 161 square miles

Gage datum 70 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
285	1994-07-05 12:20	PDT	Yes	SAH	USGS	4.64	6.13	0.00	0.50	Fair	Clear	NONE
284	1994-05-16 11:45	PDT	Yes	SAH	USGS	33.9	6.33	0.00	0.60	Good	VegetationLight	NONE
283	1994-04-05 11:30	PDT	Yes	SAH	USGS	48.1	6.40	0.00	0.40	Good		NONE
282	1994-02-03 12:25	PST	Yes	SAH	USGS	152	6.77	0.00		Good	Clear	NONE
281	1993-12-16 12:15	PST	Yes	SAH	USGS	343	7.22	0.00	0.80	Good	Clear	NONE
280	1993-11-04 13:10	PST	Yes	SAH	USGS	4.70	5.73	0.00	0.50	Good	DebrisHeavy	NONE
279	1993-08-06 11:45	PDT	Yes	SAH	USGS	13.9	5.93	0.00	0.50	Good	Clear	NONE
278	1993-06-11 13:05	PDT	Yes	SAH	USGS	167	6.75	0.00	0.90	Good	Clear	NONE
277	1993-05-07 11:15	PDT	Yes	SAH	USGS	127	6.68	0.00	0.70	Good	Clear	NONE
276	1993-03-11 14:25	PST	Yes	SAH	USGS	202	6.66	0.00	0.60	Good	Clear	NONE
275	1993-02-10 14:45	PST	Yes	SAH	USGS	308	6.70	0.00	1.00	Good	Clear	NONE
274	1993-01-08 12:50	PST	Yes	SAH	USGS	1270	8.41	-0.05	1.80	Fair	Clear	NONE
273	1992-12-03 14:10	PST	Yes	SAH/JCM	USGS	285	6.77	-0.04	0.80	Good	Clear	NONE
272	1992-11-04 12:10	PST	Yes	KSW	USGS	23.8	5.68	0.00	0.50	Fair	Clear	NONE
271	1992-09-14 13:18	PDT	Yes	DMS	USGS	1.52	5.36	0.01	0.90	Fair	VegetationLight	NONE
270	1992-08-17 13:00	PDT	Yes	DMS	USGS	2.66	5.43	0.00	0.80	Fair	VegetationLight	NONE
269	1992-07-17 11:25	PDT	Yes	KSW/DMS	USGS	9.46	5.52	0.00	0.70	Good	VegetationLight	NONE
268	1992-06-22 15:10	PDT	Yes	DMS	USGS	9.25	5.51	0.00	0.80	Fair	VegetationLight	NONE
267	1992-05-28 17:55	PDT	Yes	DMS	USGS	27.1	5.71	0.00	0.60	Fair	Clear	NONE
266	1992-04-17 09:30	PDT	Yes	DMS	USGS	291	6.70	0.01	0.80	Good	Clear	NONE
265	1992-04-08 12:05	PDT	Yes	DMS	USGS	104	6.16	-0.01	0.70	Good	Clear	NONE
264	1992-03-02 12:30	PST	Yes	DMS	USGS	574	7.40	-0.01	0.70	Good		NONE
263	1992-01-15 11:00	PST	Yes	DMS	USGS	87.5	6.23	0.00	0.70	Good	Clear	NONE
262	1992-01-06 16:00	PST	Yes	DMS	USGS	742	7.66	-0.02	0.70	Fair		NONE
261	1992-01-06 13:15	PST	Yes	DMS	USGS	800	7.79	-0.06	1.00	Good		NONE
260	1991-11-25 12:45	PST	Yes	DMS	USGS	15.5	5.73	0.01	0.70	Good		NONE
259	1991-10-04 10:10	PDT	Yes	DMS	USGS	0.75	5.45	0.00	0.50	Fair	DebrisHeavy	NONE
258	1991-09-03 15:25	PDT	Yes	LAF	USGS	1.49	5.42	0.00	0.60	Fair	Clear	NONE
257	1991-08-07 10:30	PDT	Yes	DMS	USGS	1.95	5.60	0.00	0.60	Good	DebrisHeavy	NONE
256	1991-07-16 15:15	PDT	Yes	LAF/JCM	USGS	4.68	5.60	0.01	0.70	Fair	Clear	NONE
255	1991-07-03 15:35	PDT	Yes	KLM	USGS	9.54	5.72	0.00	0.60	Fair	Clear	NONE
254	1991-06-13 14:30	PDT	Yes	DMS	USGS	11.2	5.74	0.00	1.00	Poor	Clear	NONE
253	1991-05-29 15:00	PDT	Yes	JJG	USGS	20.8	5.86	0.00	0.70	Good	Clear	NONE
252	1991-05-22 13:40	PDT	Yes	LAF	USGS	29.9	5.93	0.00	0.50	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

285

1994-07-05 12:20

PDT

Yes

SAH

USGS

4.64

6.13

0.00

0.50

Fair

Clear

NONE

284

1994-05-16 11:45

PDT

Yes

SAH

USGS

33.9

6.33

0.00

0.60

Good

VegetationLight

NONE

283

1994-04-05 11:30

PDT

Yes

SAH

USGS

48.1

6.40

0.00

0.40

Good

NONE

282

1994-02-03 12:25

PST

Yes

SAH

USGS

152

6.77

0.00

Good

Clear

NONE

281

1993-12-16 12:15

PST

Yes

SAH

USGS

343

7.22

0.00

0.80

Good

Clear

NONE

280

1993-11-04 13:10

PST

Yes

SAH

USGS

4.70

5.73

0.00

0.50

Good

DebrisHeavy

NONE

279

1993-08-06 11:45

PDT

Yes

SAH

USGS

13.9

5.93

0.00

0.50

Good

Clear

NONE

278

1993-06-11 13:05

PDT

Yes

SAH

USGS

167

6.75

0.00

0.90

Good

Clear

NONE

277

1993-05-07 11:15

PDT

Yes

SAH

USGS

127

6.68

0.00

0.70

Good

Clear

NONE

276

1993-03-11 14:25

PST

Yes

SAH

USGS

202

6.66

0.00

0.60

Good

Clear

NONE

275

1993-02-10 14:45

PST

Yes

SAH

USGS

308

6.70

0.00

1.00

Good

Clear

NONE

274

1993-01-08 12:50

PST

Yes

SAH

USGS

1270

8.41

-0.05

1.80

Fair

Clear

NONE

273

1992-12-03 14:10

PST

Yes

SAH/JCM

USGS

285

6.77

-0.04

0.80

Good

Clear

NONE

272

1992-11-04 12:10

PST

Yes

KSW

USGS

23.8

5.68

0.00

0.50

Fair

Clear

NONE

271

1992-09-14 13:18

PDT

Yes

DMS

USGS

1.52

5.36

0.01

0.90

Fair

VegetationLight

NONE

270

1992-08-17 13:00

PDT

Yes

DMS

USGS

2.66

5.43

0.00

0.80

Fair

VegetationLight

NONE

269

1992-07-17 11:25

PDT

Yes

KSW/DMS

USGS

9.46

5.52

0.00

0.70

Good

VegetationLight

NONE

268

1992-06-22 15:10

PDT

Yes

DMS

USGS

9.25

5.51

0.00

0.80

Fair

VegetationLight

NONE

267

1992-05-28 17:55

PDT

Yes

DMS

USGS

27.1

5.71

0.00

0.60

Fair

Clear

NONE

266

1992-04-17 09:30

PDT

Yes

DMS

USGS

291

6.70

0.01

0.80

Good

Clear

NONE

265

1992-04-08 12:05

PDT

Yes

DMS

USGS

104

6.16

-0.01

0.70

Good

Clear

NONE

264

1992-03-02 12:30

PST

Yes

DMS

USGS

574

7.40

-0.01

0.70

Good

NONE

263

1992-01-15 11:00

PST

Yes

DMS

USGS

87.5

6.23

0.00

0.70

Good

Clear

NONE

262

1992-01-06 16:00

PST

Yes

DMS

USGS

742

7.66

-0.02

0.70

Fair

NONE

261

1992-01-06 13:15

PST

Yes

DMS

USGS

800

7.79

-0.06

1.00

Good

NONE

260

1991-11-25 12:45

PST

Yes

DMS

USGS

15.5

5.73

0.01

0.70

Good

NONE

259

1991-10-04 10:10

PDT

Yes

DMS

USGS

0.75

5.45

0.00

0.50

Fair

DebrisHeavy

NONE

258

1991-09-03 15:25

PDT

Yes

LAF

USGS

1.49

5.42

0.00

0.60

Fair

Clear

NONE

257

1991-08-07 10:30

PDT

Yes

DMS

USGS

1.95

5.60

0.00

0.60

Good

DebrisHeavy

NONE

256

1991-07-16 15:15

PDT

Yes

LAF/JCM

USGS

4.68

5.60

0.01

0.70

Fair

Clear

NONE

255

1991-07-03 15:35

PDT

Yes

KLM

USGS

9.54

5.72

0.00

0.60

Fair

Clear

NONE

254

1991-06-13 14:30

PDT

Yes

DMS

USGS

11.2

5.74

0.00

1.00

Poor

Clear

NONE

253

1991-05-29 15:00

PDT

Yes

JJG

USGS

20.8

5.86

0.00

0.70

Good

Clear

NONE

252

1991-05-22 13:40

PDT

Yes

LAF

USGS

29.9

5.93

0.00

0.50

Good

Clear

NONE