USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 05450400 Iowa River at Steamboat Rock, IA

Hardin County, Iowa

Hydrologic Unit Code 07080207

Latitude 42°24'29.2", Longitude 93°04'22.7" NAD83

Drainage area 735 square miles

Gage datum 950.69 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
41	2024-03-19 10:15:50	CDT	Yes	CAA	USGS	61.0	5.45	0.00	0.22	Poor	Clear	NONE
40	2024-02-07 08:25:10	CST	Yes	TJR/ETK	USGS	109	5.59	0.00	0.20	Fair	IceShore	NONE
39	2023-12-08 09:01:44	CST	Yes	ETK/DDW	USGS	57.7	5.44	0.00	0.20	Fair	IceShore	NONE
38	2023-10-24 09:39:47	CDT	Yes	ETK	USGS	43.5	5.41	0.00	0.50	Good	DebrisLight	NONE
37	2023-08-30 08:20:18	CDT	Yes	ETK	USGS	44.6	5.35	0.00	0.50	Good	Clear	NONE
36	2023-07-11 14:47:27	CDT	Yes	CAA	USGS	149	5.61	-0.01	0.80	Good	Clear	NONE
35	2023-05-31 10:34:18	CDT	Yes	CAA	USGS	326	5.94	0.00	0.27	Fair	Clear	NONE
34	2023-04-04 10:23:35	CDT	Yes	CAA	USGS	548	6.18	0.00	0.32	Good	Clear	NONE
33	2023-03-02 10:17:07	CST	Yes	ETK/TJR	USGS	2310	7.83	-0.01	0.20	Fair	DebrisModerate	NONE
32	2023-03-02 09:35:29	CST	Yes	ETK/TJR	USGS	2410	7.85	0.02	0.20	Fair	DebrisModerate	NONE
31	2023-02-27 14:25:35	CST	Yes	ETK/CAA	USGS	1670	7.04	0.03	0.20	Fair	DebrisLight	NONE
30	2023-01-06 09:36:37	CST	Yes	ETK/DDW	USGS	78.2	5.49	0.00	0.22	Fair	IceShore	NONE
29	2022-11-16 08:58:21	CST	Yes	ETK	USGS	66.1	5.47	0.01	0.50	Good	DebrisModerate	NONE
28	2022-09-20 10:37:03	CDT	Yes	CAA	USGS	77.0	5.40	0.00	0.62	Good	Clear	NONE
27	2022-08-09 08:35:39	CDT	Yes	ETK	USGS	110	5.52	0.00	0.68	Good	Clear	NONE
26	2022-06-28 08:56:14	CDT	Yes	TJR	USGS	741	6.34	0.00	0.20	Fair	DebrisLight	NONE
25	2022-06-15 11:03:31	CDT	Yes	TJR/ETK	USGS	1020	6.83	0.01	0.10	Poor	DebrisLight	NONE
24	2022-06-15 10:27:15	CDT	Yes	TJR/ETK	USGS	997	6.83	0.03	0.23	Poor	DebrisLight	NONE
23	2022-05-16 14:10:39	CDT	Yes	ETK	USGS	683	6.33	0.01	0.20	Fair	Clear	NONE
22	2022-04-04 08:42:14	CDT	Yes	ETK	USGS	339	6.00	0.01	0.20	Fair	Clear	NONE
21	2022-03-08 09:19:49	CST	Yes	TJR/CAA	USGS	222	5.89	0.00	0.20	Fair	IceShore	NONE
20	2022-01-28 10:43:21	CST	Yes	DDW/ETK	USGS	85.0	5.73	0.00	0.50	Poor	IceCover	NONE
19	2021-11-30 12:52:20	CST	Yes	TJR/ETK	USGS	225	5.91	0.00	0.20	Fair	DebrisLight	NONE
18	2021-10-19 08:44:48	CDT	Yes	TJR	USGS	62.4	5.66	0.00	0.20	Fair	Clear	NONE
17	2021-09-07 13:03:02	CDT	Yes	TJR	USGS	492	6.29	0.00	0.20	Fair	DebrisLight	NONE
16	2021-09-01 08:51:11	CDT	Yes	TJR	USGS	377	6.16	0.00	0.20	Fair	Clear	NONE
15	1996-05-28 13:15	CDT	Yes	DTC	USGS	788	6.75	0.00	1.00	Fair	Clear	NONE
14	1996-05-06 12:00	CDT	Yes	DTC	USGS	265	5.75	0.00	0.70	Good	Clear	NONE
13	1996-04-15 11:00	CDT	Yes	DTC	USGS	272	5.79	0.01	0.70	Good	Clear	NONE
12	1996-03-18 15:45	CST	Yes	DTC	USGS	214	5.65	0.00	0.50	Fair	Clear	NONE
11	1996-02-22 10:35	CST	Yes	PDL	USGS	384	5.95	0.00	0.70	Good	Clear	NONE
10	1995-11-09 10:35	CST	Yes	PDL	USGS	425	6.05	0.00	0.50	Fair	Clear	NONE
9	1995-09-27 16:40	CDT	Yes	DTC	USGS	297	5.96	0.00	0.80	Fair	Clear	NONE
8	1995-08-11 10:10	CDT	Yes	DTC	USGS	151	5.49	-0.02	0.60	Fair	Clear	NONE
7	1995-06-30 08:55	CDT	Yes	JEC	USGS	1140	7.20	0.02	1.30	Good	Clear	NONE
6	1995-06-01 08:55	CDT	Yes	JEC	USGS	1620	8.03	-0.01	0.80	Fair	Clear	NONE
5	1995-04-07 08:50	CDT	Yes	JEC	USGS	674	6.52	-0.03	1.00	Good	Clear	NONE
4	1970-10-14 11:05	CDT	Yes	DER/AHH	USGS	242	955.14	-0.01	0.50	Good	Clear	NONE
3	1969-07-09 16:30	CDT	Yes	DER/--R	USGS	8450	14.20			Good	Clear	NONE
2	1969-03-25 13:05	CST	Yes	JHH	USGS	3600	9.55	-0.07	0.80	Good	Clear	NONE
1	1967-06-12 09:25	CDT	Yes	CWS	USGS	4490	10.74	-0.01	0.70	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

2024-03-19 10:15:50

CDT

Yes

CAA

USGS

61.0

5.45

0.00

0.22

Poor

Clear

NONE

2024-02-07 08:25:10

CST

Yes

TJR/ETK

USGS

109

5.59

0.00

0.20

Fair

IceShore

NONE

2023-12-08 09:01:44

CST

Yes

ETK/DDW

USGS

57.7

5.44

0.00

0.20

Fair

IceShore

NONE

2023-10-24 09:39:47

CDT

Yes

ETK

USGS

43.5

5.41

0.00

0.50

Good

DebrisLight

NONE

2023-08-30 08:20:18

CDT

Yes

ETK

USGS

44.6

5.35

0.00

0.50

Good

Clear

NONE

2023-07-11 14:47:27

CDT

Yes

CAA

USGS

149

5.61

-0.01

0.80

Good

Clear

NONE

2023-05-31 10:34:18

CDT

Yes

CAA

USGS

326

5.94

0.00

0.27

Fair

Clear

NONE

2023-04-04 10:23:35

CDT

Yes

CAA

USGS

548

6.18

0.00

0.32

Good

Clear

NONE

2023-03-02 10:17:07

CST

Yes

ETK/TJR

USGS

2310

7.83

-0.01

0.20

Fair

DebrisModerate

NONE

2023-03-02 09:35:29

CST

Yes

ETK/TJR

USGS

2410

7.85

0.02

0.20

Fair

DebrisModerate

NONE

2023-02-27 14:25:35

CST

Yes

ETK/CAA

USGS

1670

7.04

0.03

0.20

Fair

DebrisLight

NONE

2023-01-06 09:36:37

CST

Yes

ETK/DDW

USGS

78.2

5.49

0.00

0.22

Fair

IceShore

NONE

2022-11-16 08:58:21

CST

Yes

ETK

USGS

66.1

5.47

0.01

0.50

Good

DebrisModerate

NONE

2022-09-20 10:37:03

CDT

Yes

CAA

USGS

77.0

5.40

0.00

0.62

Good

Clear

NONE

2022-08-09 08:35:39

CDT

Yes

ETK

USGS

110

5.52

0.00

0.68

Good

Clear

NONE

2022-06-28 08:56:14

CDT

Yes

TJR

USGS

741

6.34

0.00

0.20

Fair

DebrisLight

NONE

2022-06-15 11:03:31

CDT

Yes

TJR/ETK

USGS

1020

6.83

0.01

0.10

Poor

DebrisLight

NONE

2022-06-15 10:27:15

CDT

Yes

TJR/ETK

USGS

997

6.83

0.03

0.23

Poor

DebrisLight

NONE

2022-05-16 14:10:39

CDT

Yes

ETK

USGS

683

6.33

0.01

0.20

Fair

Clear

NONE

2022-04-04 08:42:14

CDT

Yes

ETK

USGS

339

6.00

0.01

0.20

Fair

Clear

NONE

2022-03-08 09:19:49

CST

Yes

TJR/CAA

USGS

222

5.89

0.00

0.20

Fair

IceShore

NONE

2022-01-28 10:43:21

CST

Yes

DDW/ETK

USGS

85.0

5.73

0.00

0.50

Poor

IceCover

NONE

2021-11-30 12:52:20

CST

Yes

TJR/ETK

USGS

225

5.91

0.00

0.20

Fair

DebrisLight

NONE

2021-10-19 08:44:48

CDT

Yes

TJR

USGS

62.4

5.66

0.00

0.20

Fair

Clear

NONE

2021-09-07 13:03:02

CDT

Yes

TJR

USGS

492

6.29

0.00

0.20

Fair

DebrisLight

NONE

2021-09-01 08:51:11

CDT

Yes

TJR

USGS

377

6.16

0.00

0.20

Fair

Clear

NONE

1996-05-28 13:15

CDT

Yes

DTC

USGS

788

6.75

0.00

1.00

Fair

Clear

NONE

1996-05-06 12:00

CDT

Yes

DTC

USGS

265

5.75

0.00

0.70

Good

Clear

NONE

1996-04-15 11:00

CDT

Yes

DTC

USGS

272

5.79

0.01

0.70

Good

Clear

NONE

1996-03-18 15:45

CST

Yes

DTC

USGS

214

5.65

0.00

0.50

Fair

Clear

NONE

1996-02-22 10:35

CST

Yes

PDL

USGS

384

5.95

0.00

0.70

Good

Clear

NONE

1995-11-09 10:35

CST

Yes

PDL

USGS

425

6.05

0.00

0.50

Fair

Clear

NONE

1995-09-27 16:40

CDT

Yes

DTC

USGS

297

5.96

0.00

0.80

Fair

Clear

NONE

1995-08-11 10:10

CDT

Yes

DTC

USGS

151

5.49

-0.02

0.60

Fair

Clear

NONE

1995-06-30 08:55

CDT

Yes

JEC

USGS

1140

7.20

0.02

1.30

Good

Clear

NONE

1995-06-01 08:55

CDT

Yes

JEC

USGS

1620

8.03

-0.01

0.80

Fair

Clear

NONE

1995-04-07 08:50

CDT

Yes

JEC

USGS

674

6.52

-0.03

1.00

Good

Clear

NONE

1970-10-14 11:05

CDT

Yes

DER/AHH

USGS

242

955.14

-0.01

0.50

Good

Clear

NONE

1969-07-09 16:30

CDT

Yes

DER/--R

USGS

8450

14.20

Good

Clear

NONE

1969-03-25 13:05

CST

Yes

JHH

USGS

3600

9.55

-0.07

0.80

Good

Clear

NONE

1967-06-12 09:25

CDT

Yes

CWS

USGS

4490

10.74

-0.01

0.70

Fair

Clear

NONE