USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 06403850 GRIZZLY BEAR CREEK NEAR KEYSTONE,SD

Pennington County, South Dakota

Hydrologic Unit Code 10120109

Latitude 43°52'41", Longitude 103°26'14" NAD27

Drainage area 8.84 square miles

Contributing drainage area 8.84 square miles

Gage datum 4,490.87 feet above NAVD88

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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
34	2024-06-25 14:33:02	MDT	Yes	LGM/TPB	USGS	1.28	2.43	0.02	0.50	Poor	VegetationModerate	NONE
33	2023-06-13 08:27:05	MDT	Yes	LGM	USGS	4.32	2.66		0.60	Fair	DebrisLight	NONE
32	2021-05-24 16:51:08	MDT	Yes	GMF	USGS	10.6	2.91	-0.02	0.61	Good	VegetationModerate	NONE
31	2019-05-28 11:26:09	MDT	Yes	kmd/csu	USGS	425	5.55			Fair	DebrisModerate	NONE
30	2018-07-17 14:24	MDT	Yes	kmd/jme	USGS	16.7	3.07	-0.05	0.60	Fair	DebrisLight	NONE
29	2018-05-11 11:06	MDT	Yes	kmd	USGS	1.57	2.54	0.00	0.28	Fair	DebrisLight	NONE
28	2016-05-23 11:18	MDT	Yes	RMB	USGS	18.8	3.24			Good	DebrisLight	NONE
27	2013-10-11 10:11:06	MDT	Yes	DLR	USGS	421	5.72	-0.06	0.50	Fair	Clear	NONE
26	2013-08-06 08:47:05	MDT	Yes	NED	USGS	23.9	3.56	-0.06	0.50	Fair	DebrisLight	NONE
25	2013-04-05 11:03:05	MDT	Yes	NED	USGS	0.55	2.45	0.01	0.30	Poor	Clear	NONE
24	2012-09-04 13:27	MDT	Yes	NED	USGS	0.00				Excellent	NoFlow	NONE
23	2011-05-19 12:00	MDT	Yes	NED	USGS	8.58	3.22	0.10	0.50	Fair	Clear	NONE
22	2010-05-24 17:12	MDT	Yes	NED/RMY	USGS	165	5.05	0.10	0.50	Fair	VegetationModerate	NONE
21	2009-04-20 11:25	MDT	Yes	DLR	USGS	12.3	3.20	0.04	0.50	Good	DebrisLight	NONE
20	2008-05-24 14:50	MDT	Yes	DLR	USGS	85.5	4.39	-0.02	0.50	Good	DebrisLight	NONE
19	2008-05-24 10:45	MDT	Yes	DLR	USGS	135	4.69	-0.02	0.80	Good	DebrisLight	NONE
18	2005-05-31 10:30	MDT	Yes	NED	USGS	5.67	2.88	0.00		Good	Clear	NONE
17	2005-03-11 13:40	MST	Yes	NED	USGS	0.29	2.52	0.00	0.30	Poor	IceCover	NONE
16	2004-08-17 08:53	MDT	Yes	NED	USGS	0.00				Excellent	Clear	NONE
15	2003-06-09 10:45	MDT	Yes	DLR	USGS	1.15	2.59	0.00	0.30	Fair	Clear	NONE
14	2002-06-17 09:55	MDT	Yes	DLR	USGS	0.73	2.54	0.00	0.40	Fair	Clear	NONE
13	2001-07-18 10:05	MDT	Yes	DLR	USGS	6.37	2.85	0.00	0.50	Good	Clear	NONE
12	2001-06-05 09:58	MDT	Yes	NED	USGS	22.7	3.34	0.00	0.50	Good	Clear	NONE
11	2001-04-10 11:20	MDT	Yes	DLR	USGS	3.38	2.71	0.00	0.50	Good	Clear	NONE
10	2000-06-20 11:15	MDT	Yes	DLR	USGS	1.29	2.51	0.00	0.20	Fair	Clear	NONE
9	1999-08-04 09:20	MDT	Yes	DLR	USGS	5.85	2.77	0.00	0.50	Good	Clear	NONE
8	1999-05-28 10:45	MDT	Yes	DLR	USGS	3.59	2.74	0.00	0.50	Good	Clear	NONE
7	1999-04-13 10:30	MDT	Yes	DLR	USGS	4.45	2.77	0.00	0.50	Good	Clear	NONE
6	1998-11-17 14:45	MST	Yes	DLR	USGS	10.7	3.13	0.00	0.70	Good	Clear	NONE
1	1998-11-06 11:40	MST	Yes	JSC/JLW	USGS	0.47	2.46	0.00	0.20	Fair		NONE
5	1998-08-31 14:50	MDT	Yes	DLR	USGS	0.92	2.60	0.00	0.40	Fair	Clear	NONE
4	1998-06-23 09:45	MDT	Yes	DLR	USGS	14.0	2.94	0.00	0.50	Good	VegetationLight	NONE
3	1998-06-19 11:20	MDT	Yes	RWT	USGS	45.2	3.72	0.00	1.00	Good		NONE
2	1998-06-18 13:45	MDT	Yes	RWT	USGS	153	4.38	0.05	0.80	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

2024-06-25 14:33:02

MDT

Yes

LGM/TPB

USGS

1.28

2.43

0.02

0.50

Poor

VegetationModerate

NONE

2023-06-13 08:27:05

MDT

Yes

LGM

USGS

4.32

2.66

0.60

Fair

DebrisLight

NONE

2021-05-24 16:51:08

MDT

Yes

GMF

USGS

10.6

2.91

-0.02

0.61

Good

VegetationModerate

NONE

2019-05-28 11:26:09

MDT

Yes

kmd/csu

USGS

425

5.55

Fair

DebrisModerate

NONE

2018-07-17 14:24

MDT

Yes

kmd/jme

USGS

16.7

3.07

-0.05

0.60

Fair

DebrisLight

NONE

2018-05-11 11:06

MDT

Yes

kmd

USGS

1.57

2.54

0.00

0.28

Fair

DebrisLight

NONE

2016-05-23 11:18

MDT

Yes

RMB

USGS

18.8

3.24

Good

DebrisLight

NONE

2013-10-11 10:11:06

MDT

Yes

DLR

USGS

421

5.72

-0.06

0.50

Fair

Clear

NONE

2013-08-06 08:47:05

MDT

Yes

NED

USGS

23.9

3.56

-0.06

0.50

Fair

DebrisLight

NONE

2013-04-05 11:03:05

MDT

Yes

NED

USGS

0.55

2.45

0.01

0.30

Poor

Clear

NONE

2012-09-04 13:27

MDT

Yes

NED

USGS

0.00

Excellent

NoFlow

NONE

2011-05-19 12:00

MDT

Yes

NED

USGS

8.58

3.22

0.10

0.50

Fair

Clear

NONE

2010-05-24 17:12

MDT

Yes

NED/RMY

USGS

165

5.05

0.10

0.50

Fair

VegetationModerate

NONE

2009-04-20 11:25

MDT

Yes

DLR

USGS

12.3

3.20

0.04

0.50

Good

DebrisLight

NONE

2008-05-24 14:50

MDT

Yes

DLR

USGS

85.5

4.39

-0.02

0.50

Good

DebrisLight

NONE

2008-05-24 10:45

MDT

Yes

DLR

USGS

135

4.69

-0.02

0.80

Good

DebrisLight

NONE

2005-05-31 10:30

MDT

Yes

NED

USGS

5.67

2.88

0.00

Good

Clear

NONE

2005-03-11 13:40

MST

Yes

NED

USGS

0.29

2.52

0.00

0.30

Poor

IceCover

NONE

2004-08-17 08:53

MDT

Yes

NED

USGS

0.00

Excellent

Clear

NONE

2003-06-09 10:45

MDT

Yes

DLR

USGS

1.15

2.59

0.00

0.30

Fair

Clear

NONE

2002-06-17 09:55

MDT

Yes

DLR

USGS

0.73

2.54

0.00

0.40

Fair

Clear

NONE

2001-07-18 10:05

MDT

Yes

DLR

USGS

6.37

2.85

0.00

0.50

Good

Clear

NONE

2001-06-05 09:58

MDT

Yes

NED

USGS

22.7

3.34

0.00

0.50

Good

Clear

NONE

2001-04-10 11:20

MDT

Yes

DLR

USGS

3.38

2.71

0.00

0.50

Good

Clear

NONE

2000-06-20 11:15

MDT

Yes

DLR

USGS

1.29

2.51

0.00

0.20

Fair

Clear

NONE

1999-08-04 09:20

MDT

Yes

DLR

USGS

5.85

2.77

0.00

0.50

Good

Clear

NONE

1999-05-28 10:45

MDT

Yes

DLR

USGS

3.59

2.74

0.00

0.50

Good

Clear

NONE

1999-04-13 10:30

MDT

Yes

DLR

USGS

4.45

2.77

0.00

0.50

Good

Clear

NONE

1998-11-17 14:45

MST

Yes

DLR

USGS

10.7

3.13

0.00

0.70

Good

Clear

NONE

1998-11-06 11:40

MST

Yes

JSC/JLW

USGS

0.47

2.46

0.00

0.20

Fair

NONE

1998-08-31 14:50

MDT

Yes

DLR

USGS

0.92

2.60

0.00

0.40

Fair

Clear

NONE

1998-06-23 09:45

MDT

Yes

DLR

USGS

14.0

2.94

0.00

0.50

Good

VegetationLight

NONE

1998-06-19 11:20

MDT

Yes

RWT

USGS

45.2

3.72

0.00

1.00

Good

NONE

1998-06-18 13:45

MDT

Yes

RWT

USGS

153

4.38

0.05

0.80

Fair

NONE