USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 16522950 Piinaau Str 470 ft US Koolau Ditch, Maui, HI

Maui County, Hawaii

Hydrologic Unit Code 20020000

Latitude 20°49'37.91", Longitude 156°10'30.37" NAD83

Drainage area 14.8 square miles

Gage datum 1,350 feet above LMSL

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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
36	2024-04-16 16:20	HST	Yes	nsh, rms	USGS	0.18	9.65	0.00	0.33	Poor	Clear	NONE
35	2024-02-01 10:50	HST	Yes	nsh, cac	USGS	0.05	9.53			Fair	Clear	NONE
34	2023-10-18 13:40	HST	Yes	nsh, rms	USGS	0.04	9.57	0.00	0.00	Good	Clear	NONE
33	2023-08-23 10:51	HST	Yes	nsh, ckl	USGS	0.07	9.61	0.01	0.50	Good	Clear	NONE
32	2023-06-08 16:15	HST	Yes	nsh, rms	USGS	0.07	9.61	0.00	0.00	Fair	Clear	NONE
31	2023-03-29 12:17:30	HST	Yes	nsh, rms	USGS	0.07	9.61	0.00	0.08	Fair	Clear	NONE
30	2023-01-24 11:42:30	HST	Yes	nsh, cwy	USGS	0.03	9.57	0.00		Fair	Clear	NONE
29	2022-10-25 16:05	HST	Yes	nsh, sjb	USGS	0.12	9.63	0.00	0.00	Poor	Clear	NONE
28	2022-08-15 13:34	HST	Yes	nsh	USGS	0.04	9.60	0.00	0.10	Poor	Clear	NONE
27	2022-08-15 12:57:30	HST	Yes	nsh	USGS	0.05	9.60	0.00	0.08	Poor	Clear	NONE
26	2022-04-12 12:28:30	HST	Yes	amw/nsh	USGS	0.12	9.65			Poor	Clear	NONE
25	2022-04-12 12:13	HST	Yes	amw/nsh	USGS	0.14	9.65			Poor	Clear	NONE
24	2021-11-22 12:17	HST	Yes	RKN,AMW	USGS	0.09	9.60	0.00	0.03	Poor	Clear	NONE
23	2021-06-30 12:53	HST	Yes	RKN,SNR	USGS	0.10	9.61	0.00	0.08	Fair	Clear	NONE
22	2021-06-25 11:04	HST	Yes	ldp/snr	USGS	0.0510	9.58			Good	Clear	NONE
21	2021-02-04 10:20:09	HST	Yes	RKN,CLC	USGS	0.50	9.71	0.00	0.50	Poor	Clear	NONE
20	2020-12-08 12:29:30	HST	Yes	ldp, rkn	USGS	0.13	9.63	0.00	0.20	Excellent	Clear	NONE
19	2020-12-08 11:21:30	HST	Yes	ldp, rkn	USGS	0.13	9.60	0.00	0.20	Excellent	Clear	NONE
18	2020-11-04 12:40:29	HST	Yes	RKN,LDP	USGS	0.03	9.26	0.00	0.02	Good	Clear	NONE
17	2020-11-04 11:07:59	HST	Yes	RKN,LDP	USGS	0.03	9.26	0.00	0.03	Good	Clear	NONE
16	2020-07-07 12:42:30	HST	Yes	RKN,LDP	USGS	0.06	9.32	0.00	0.02	Good	DebrisLight	NONE
15	2020-07-07 12:00:29	HST	Yes	RKN,LDP	USGS	0.05	9.58	0.00	0.02	Good	DebrisLight	NONE
14	2020-07-07 11:29:29	HST	Yes	RKN,LDP	USGS	0.06	9.58	0.00	0.02	Good	DebrisLight	NONE
13	2020-06-26 11:53:30	HST	Yes	RKN,BHS	USGS	0.07	9.33	0.00	0.02	Fair	DebrisLight	NONE
12	2020-06-26 11:21:58	HST	Yes	RKN,BHS	USGS	0.07	9.32	0.00	0.02	Fair	DebrisLight	NONE
11	2020-06-26 10:59	HST	Yes	RKN,BHS	USGS	0.06	9.53	0.00	0.03	Fair	DebrisLight	NONE
10	2020-06-26 10:50:41	HST	No
9	2020-02-03 11:16:30	HST	Yes	rkn,bhs	USGS	0.13	9.43	0.00	0.02	Fair	DebrisModerate	NONE
8	2020-02-03 10:48	HST	Yes	rkn,bhs	USGS	0.12	9.57	0.00	0.02	Fair	DebrisModerate	NONE
7	2019-09-05 11:07:30	HST	Yes	RKN,LDP,CLC	USGS	0.60	9.66	0.00	0.02	Good	Clear	NONE
6	2019-07-11 13:15	HST	Yes	RKN,LDP	USGS	0.15	9.64	0.00	0.02	Good	DebrisModerate	NONE
5	2019-05-24 10:16:30	HST	Yes	LDP,RKN	USGS	0.16	9.56	0.00	0.01	Fair	VegetationModerate	NONE
4	2019-04-24 13:26:37	HST	Yes	RKN,LDP	USGS	0.36	9.68	0.00	0.51	Poor	DebrisModerate	NONE
3	2018-08-30 12:16:30	HST	Yes	RKN,LDP	USGS	1.44	9.79	-0.01	1.00	Good	Clear	NONE
2	2018-06-28 13:02	HST	Yes	LDP,RKN	USGS	1.87	9.80	0.00	0.60	Good	Clear	NONE
1	2018-05-22 16:54:30	HST	Yes	rkn,mtj	USGS	0.51	9.74			Poor	DebrisLight	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

2024-04-16 16:20

HST

Yes

nsh, rms

USGS

0.18

9.65

0.00

0.33

Poor

Clear

NONE

2024-02-01 10:50

HST

Yes

nsh, cac

USGS

0.05

9.53

Fair

Clear

NONE

2023-10-18 13:40

HST

Yes

nsh, rms

USGS

0.04

9.57

0.00

Good

Clear

NONE

2023-08-23 10:51

HST

Yes

nsh, ckl

USGS

0.07

9.61

0.01

0.50

Good

Clear

NONE

2023-06-08 16:15

HST

Yes

nsh, rms

USGS

0.07

9.61

0.00

Fair

Clear

NONE

2023-03-29 12:17:30

HST

Yes

nsh, rms

USGS

0.07

9.61

0.00

0.08

Fair

Clear

NONE

2023-01-24 11:42:30

HST

Yes

nsh, cwy

USGS

0.03

9.57

0.00

Fair

Clear

NONE

2022-10-25 16:05

HST

Yes

nsh, sjb

USGS

0.12

9.63

0.00

Poor

Clear

NONE

2022-08-15 13:34

HST

Yes

nsh

USGS

0.04

9.60

0.00

0.10

Poor

Clear

NONE

2022-08-15 12:57:30

HST

Yes

nsh

USGS

0.05

9.60

0.00

0.08

Poor

Clear

NONE

2022-04-12 12:28:30

HST

Yes

amw/nsh

USGS

0.12

9.65

Poor

Clear

NONE

2022-04-12 12:13

HST

Yes

amw/nsh

USGS

0.14

9.65

Poor

Clear

NONE

2021-11-22 12:17

HST

Yes

RKN,AMW

USGS

0.09

9.60

0.00

0.03

Poor

Clear

NONE

2021-06-30 12:53

HST

Yes

RKN,SNR

USGS

0.10

9.61

0.00

0.08

Fair

Clear

NONE

2021-06-25 11:04

HST

Yes

ldp/snr

USGS

0.0510

9.58

Good

Clear

NONE

2021-02-04 10:20:09

HST

Yes

RKN,CLC

USGS

0.50

9.71

0.00

0.50

Poor

Clear

NONE

2020-12-08 12:29:30

HST

Yes

ldp, rkn

USGS

0.13

9.63

0.00

0.20

Excellent

Clear

NONE

2020-12-08 11:21:30

HST

Yes

ldp, rkn

USGS

0.13

9.60

0.00

0.20

Excellent

Clear

NONE

2020-11-04 12:40:29

HST

Yes

RKN,LDP

USGS

0.03

9.26

0.00

0.02

Good

Clear

NONE

2020-11-04 11:07:59

HST

Yes

RKN,LDP

USGS

0.03

9.26

0.00

0.03

Good

Clear

NONE

2020-07-07 12:42:30

HST

Yes

RKN,LDP

USGS

0.06

9.32

0.00

0.02

Good

DebrisLight

NONE

2020-07-07 12:00:29

HST

Yes

RKN,LDP

USGS

0.05

9.58

0.00

0.02

Good

DebrisLight

NONE

2020-07-07 11:29:29

HST

Yes

RKN,LDP

USGS

0.06

9.58

0.00

0.02

Good

DebrisLight

NONE

2020-06-26 11:53:30

HST

Yes

RKN,BHS

USGS

0.07

9.33

0.00

0.02

Fair

DebrisLight

NONE

2020-06-26 11:21:58

HST

Yes

RKN,BHS

USGS

0.07

9.32

0.00

0.02

Fair

DebrisLight

NONE

2020-06-26 10:59

HST

Yes

RKN,BHS

USGS

0.06

9.53

0.00

0.03

Fair

DebrisLight

NONE

2020-06-26 10:50:41

HST

2020-02-03 11:16:30

HST

Yes

rkn,bhs

USGS

0.13

9.43

0.00

0.02

Fair

DebrisModerate

NONE

2020-02-03 10:48

HST

Yes

rkn,bhs

USGS

0.12

9.57

0.00

0.02

Fair

DebrisModerate

NONE

2019-09-05 11:07:30

HST

Yes

RKN,LDP,CLC

USGS

0.60

9.66

0.00

0.02

Good

Clear

NONE

2019-07-11 13:15

HST

Yes

RKN,LDP

USGS

0.15

9.64

0.00

0.02

Good

DebrisModerate

NONE

2019-05-24 10:16:30

HST

Yes

LDP,RKN

USGS

0.16

9.56

0.00

0.01

Fair

VegetationModerate

NONE

2019-04-24 13:26:37

HST

Yes

RKN,LDP

USGS

0.36

9.68

0.00

0.51

Poor

DebrisModerate

NONE

2018-08-30 12:16:30

HST

Yes

RKN,LDP

USGS

1.44

9.79

-0.01

1.00

Good

Clear

NONE

2018-06-28 13:02

HST

Yes

LDP,RKN

USGS

1.87

9.80

0.00

0.60

Good

Clear

NONE

2018-05-22 16:54:30

HST

Yes

rkn,mtj

USGS

0.51

9.74

Poor

DebrisLight

NONE