USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 01621470 BLACKS RUN AT RT 704 NEAR MOUNT CRAWFORD, VA

Rockingham County, Virginia

Hydrologic Unit Code 02070005

Latitude 38°22'43", Longitude 78°55'42" NAD27

Drainage area 18.8 square miles

Gage datum 1,170 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
35	2001-01-24 11:55	EST	Yes	SLW	USGS	6.66	2.00	-0.01	0.30	Good	Clear	NONE
34	2000-12-12 12:57	EST	Yes	SLW	USGS	2.83	1.82	0.00	0.30	Fair	DebrisLight	NONE
33	2000-10-18 13:54	EDT	Yes	KMD	USGS	3.14	1.88	0.00	0.30	Fair	VegetationLight	NONE
32	2000-09-19 11:15	EDT	Yes	SLW/RLY	USGS	321	5.77	0.16	0.60	Fair	Unspecifed	NONE
31	2000-09-05 10:20	EDT	Yes	KMD	USGS	10.6	2.16	-0.01	0.40	Good	VegetationLight	NONE
30	2000-08-15 09:40	EDT	Yes	DLM	USGS	4.79	1.90	0.00	1.00	Good	DebrisModerate	NONE
29	2000-07-31 18:13	EDT	Yes	KMD	USGS	10.4	2.12	0.00	0.30	Fair	VegetationLight	NONE
28	2000-07-31 13:35	EDT	Yes	KMD	USGS	8.75	2.06	0.00	0.50	Good	VegetationLight	NONE
27	2000-06-16 -- --	--	Yes	JMG/TLB	USGS	126	4.20	-0.20	0.30	Poor		NONE
26	2000-06-14 20:45	EDT	Yes	JMG/TLB	USGS	181	4.60	0.67	0.40	Poor		NONE
25	2000-06-12 10:30	EDT	Yes	KMD	USGS	4.47	1.90	0.00	0.70	Good	Clear	NONE
24	2000-04-28 11:23	EDT	Yes	RMM	USGS	6.56	2.01	0.00	0.50	Good	Clear	NONE
23	2000-03-08 10:08	EST	Yes	KMD	USGS	3.94	1.87	0.00	0.60	Good	VegetationLight	NONE
22	2000-01-18 10:24	EST	Yes	KMD	USGS	3.33	1.90	0.00	0.60	Good	Clear	NONE
21	1999-11-22 14:55	EST	Yes	RMM	USGS	3.48	1.88	0.00	0.60	Good	Clear	NONE
20	1999-11-02 10:05	EST	Yes	JMG	USGS	4.36	1.93	0.01	0.60	Good	VegetationLight	NONE
19	1999-10-13 10:30	EDT	Yes	JMG	USGS	8.41	2.07	0.00	0.50	Unspecified	VegetationLight	NONE
18	1999-10-08 11:55	EDT	Yes	RMM	USGS	8.58	2.13	-0.01	0.40	Good	Clear	NONE
17	1999-09-16 08:00	EDT	Yes	JMG/MEL	USGS	91.4	3.79	-0.08	0.80	Unspecified	DebrisModerate	NONE
16	1999-08-31 11:30	EDT	Yes	RMM	USGS	4.67	1.87	0.00	0.60	Good	Clear	NONE
15	1999-07-19 14:30	EDT	Yes	RMM	USGS	2.03	1.69	0.00	0.50	Fair	DebrisModerate	NONE
14	1999-06-09 11:17	EDT	Yes	RMM	USGS	2.28	1.71	0.00	0.50	Fair	DebrisModerate	NONE
13	1999-05-14 12:00	EDT	Yes	SLW	USGS	15.2	2.28			Fair		NONE
12	1999-05-14 10:05	EDT	Yes	SLW	USGS	16.5	2.30			Fair		NONE
11	1999-05-08 09:45	EDT	Yes	JMG	USGS	110	4.29	0.07	0.40	Poor	Clear	NONE
10	1999-05-08 06:00	EDT	Yes	JMG	USGS	96.7	3.88	-0.17	0.40	Poor	Clear	NONE
9	1999-05-08 04:00	EDT	Yes	JMG	USGS	29.4	2.73	0.25	0.50	Poor	Clear	NONE
8	1999-05-03 12:30	EDT	Yes	RMM	USGS	3.44	1.86	-0.01	0.50	Poor	DebrisLight	NONE
7	1999-04-28 09:15	EDT	Yes	JMG/DML	USGS	3.84	1.94	0.00	0.50	Good	DebrisLight	NONE
6	1999-04-27 15:15	EDT	Yes	JMG/DLM	USGS	4.04	1.96	0.00	0.60	Unspecified	DebrisLight	NONE
5	1999-04-15 12:30	EDT	Yes	JMG	USGS	5.08	2.02	0.00	0.50	Good	DebrisLight	NONE
4	1999-03-29 13:00	EST	Yes	RMM	USGS	8.29	2.12	0.00	0.50	Good	Clear	NONE
3	1999-03-22 09:45	EST	Yes	JMG/DLM	USGS	26.3	2.52	-0.02	0.80	Good	DebrisLight	NONE
2	1999-03-17 15:30	EST	Yes	JMG/DLM	USGS	19.7	2.40	0.00	0.90	Good	DebrisLight	NONE
1	1999-02-18 11:00	EST	Yes	RKW	USGS	59.4	3.14	-0.12	0.50	Fair		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

2001-01-24 11:55

EST

Yes

SLW

USGS

6.66

2.00

-0.01

0.30

Good

Clear

NONE

2000-12-12 12:57

EST

Yes

SLW

USGS

2.83

1.82

0.00

0.30

Fair

DebrisLight

NONE

2000-10-18 13:54

EDT

Yes

KMD

USGS

3.14

1.88

0.00

0.30

Fair

VegetationLight

NONE

2000-09-19 11:15

EDT

Yes

SLW/RLY

USGS

321

5.77

0.16

0.60

Fair

Unspecifed

NONE

2000-09-05 10:20

EDT

Yes

KMD

USGS

10.6

2.16

-0.01

0.40

Good

VegetationLight

NONE

2000-08-15 09:40

EDT

Yes

DLM

USGS

4.79

1.90

0.00

1.00

Good

DebrisModerate

NONE

2000-07-31 18:13

EDT

Yes

KMD

USGS

10.4

2.12

0.00

0.30

Fair

VegetationLight

NONE

2000-07-31 13:35

EDT

Yes

KMD

USGS

8.75

2.06

0.00

0.50

Good

VegetationLight

NONE

2000-06-16 -- --

Yes

JMG/TLB

USGS

126

4.20

-0.20

0.30

Poor

NONE

2000-06-14 20:45

EDT

Yes

JMG/TLB

USGS

181

4.60

0.67

0.40

Poor

NONE

2000-06-12 10:30

EDT

Yes

KMD

USGS

4.47

1.90

0.00

0.70

Good

Clear

NONE

2000-04-28 11:23

EDT

Yes

RMM

USGS

6.56

2.01

0.00

0.50

Good

Clear

NONE

2000-03-08 10:08

EST

Yes

KMD

USGS

3.94

1.87

0.00

0.60

Good

VegetationLight

NONE

2000-01-18 10:24

EST

Yes

KMD

USGS

3.33

1.90

0.00

0.60

Good

Clear

NONE

1999-11-22 14:55

EST

Yes

RMM

USGS

3.48

1.88

0.00

0.60

Good

Clear

NONE

1999-11-02 10:05

EST

Yes

JMG

USGS

4.36

1.93

0.01

0.60

Good

VegetationLight

NONE

1999-10-13 10:30

EDT

Yes

JMG

USGS

8.41

2.07

0.00

0.50

Unspecified

VegetationLight

NONE

1999-10-08 11:55

EDT

Yes

RMM

USGS

8.58

2.13

-0.01

0.40

Good

Clear

NONE

1999-09-16 08:00

EDT

Yes

JMG/MEL

USGS

91.4

3.79

-0.08

0.80

Unspecified

DebrisModerate

NONE

1999-08-31 11:30

EDT

Yes

RMM

USGS

4.67

1.87

0.00

0.60

Good

Clear

NONE

1999-07-19 14:30

EDT

Yes

RMM

USGS

2.03

1.69

0.00

0.50

Fair

DebrisModerate

NONE

1999-06-09 11:17

EDT

Yes

RMM

USGS

2.28

1.71

0.00

0.50

Fair

DebrisModerate

NONE

1999-05-14 12:00

EDT

Yes

SLW

USGS

15.2

2.28

Fair

NONE

1999-05-14 10:05

EDT

Yes

SLW

USGS

16.5

2.30

Fair

NONE

1999-05-08 09:45

EDT

Yes

JMG

USGS

110

4.29

0.07

0.40

Poor

Clear

NONE

1999-05-08 06:00

EDT

Yes

JMG

USGS

96.7

3.88

-0.17

0.40

Poor

Clear

NONE

1999-05-08 04:00

EDT

Yes

JMG

USGS

29.4

2.73

0.25

0.50

Poor

Clear

NONE

1999-05-03 12:30

EDT

Yes

RMM

USGS

3.44

1.86

-0.01

0.50

Poor

DebrisLight

NONE

1999-04-28 09:15

EDT

Yes

JMG/DML

USGS

3.84

1.94

0.00

0.50

Good

DebrisLight

NONE

1999-04-27 15:15

EDT

Yes

JMG/DLM

USGS

4.04

1.96

0.00

0.60

Unspecified

DebrisLight

NONE

1999-04-15 12:30

EDT

Yes

JMG

USGS

5.08

2.02

0.00

0.50

Good

DebrisLight

NONE

1999-03-29 13:00

EST

Yes

RMM

USGS

8.29

2.12

0.00

0.50

Good

Clear

NONE

1999-03-22 09:45

EST

Yes

JMG/DLM

USGS

26.3

2.52

-0.02

0.80

Good

DebrisLight

NONE

1999-03-17 15:30

EST

Yes

JMG/DLM

USGS

19.7

2.40

0.00

0.90

Good

DebrisLight

NONE

1999-02-18 11:00

EST

Yes

RKW

USGS

59.4

3.14

-0.12

0.50

Fair

NONE