USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

USGS 15297771 GALLERY SPRING C AT SHEMYA AFB AK

Aleutians West Census Area County, Alaska

Hydrologic Unit Code 19030103

Latitude 52°43'06", Longitude -174°07'10" NAD27

Gage datum 40 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
13	1972-11-29 08:00	AKST	Yes	MMH/ F	USGS	0.27	0.29	0.00	0.20	Good	Clear	NONE
12	1972-01-27 23:00	AKST	Yes	MMH	USGS	0.25	0.29	0.00		Good	Clear	NONE
11	1971-10-18 12:55	AKDT	Yes	VMN	USGS	0.55	0.48	0.00	0.60	Fair	Clear	NONE
10	1971-10-17 15:25	AKDT	Yes	VMN	USGS	0.57	0.50	0.00	0.40	Poor	Clear	NONE
9	1971-08-01 11:45	AKDT	Yes	MMH/LSL	USGS	0.17	0.22	-0.02	0.50	Fair	Clear	NONE
8	1971-07-31 13:10	AKDT	Yes	MMH/LSL	USGS	0.14	0.24	0.00	0.50	Fair	Clear	NONE
7	1971-02-12 08:12	AKST	Yes	MMH	USGS	0.11	0.19	-0.01	0.30	Good	Clear	NONE
6	1971-01-10 13:20	AKST	Yes	JPH	USGS	0.05	0.10	0.00	0.50	Poor	Clear	NONE
5	1970-11-23 10:10	AKST	Yes	MMH/VMN	USGS	0.95	0.65	0.00	0.30	Good	Clear	NONE
4	1970-11-22 11:05	AKST	Yes	VMN/MMH	USGS	0.60	0.48	0.00	0.20	Fair	Clear	NONE
3	1970-11-22 10:00	AKST	Yes	MMH/VMN	USGS	0.30	0.33	0.00	0.20	Fair	Clear	NONE
2	1970-11-22 09:35	AKST	Yes	VMN/MMH	USGS	0.13	0.19	0.00		Fair	Clear	NONE
1	1970-11-22 09:05	AKST	Yes	VMN/MMH	USGS	0.05	0.11	0.00	0.30	Poor	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

1972-11-29 08:00

AKST

Yes

MMH/ F

USGS

0.27

0.29

0.00

0.20

Good

Clear

NONE

1972-01-27 23:00

AKST

Yes

MMH

USGS

0.25

0.29

0.00

Good

Clear

NONE

1971-10-18 12:55

AKDT

Yes

VMN

USGS

0.55

0.48

0.00

0.60

Fair

Clear

NONE

1971-10-17 15:25

AKDT

Yes

VMN

USGS

0.57

0.50

0.00

0.40

Poor

Clear

NONE

1971-08-01 11:45

AKDT

Yes

MMH/LSL

USGS

0.17

0.22

-0.02

0.50

Fair

Clear

NONE

1971-07-31 13:10

AKDT

Yes

MMH/LSL

USGS

0.14

0.24

0.00

0.50

Fair

Clear

NONE

1971-02-12 08:12

AKST

Yes

MMH

USGS

0.11

0.19

-0.01

0.30

Good

Clear

NONE

1971-01-10 13:20

AKST

Yes

JPH

USGS

0.05

0.10

0.00

0.50

Poor

Clear

NONE

1970-11-23 10:10

AKST

Yes

MMH/VMN

USGS

0.95

0.65

0.00

0.30

Good

Clear

NONE

1970-11-22 11:05

AKST

Yes

VMN/MMH

USGS

0.60

0.48

0.00

0.20

Fair

Clear

NONE

1970-11-22 10:00

AKST

Yes

MMH/VMN

USGS

0.30

0.33

0.00

0.20

Fair

Clear

NONE

1970-11-22 09:35

AKST

Yes

VMN/MMH

USGS

0.13

0.19

0.00

Fair

Clear

NONE

1970-11-22 09:05

AKST

Yes

VMN/MMH

USGS

0.05

0.11

0.00

0.30

Poor

Clear

NONE