640
i
l f b k h b id f h
i h
h id
WATER YEAR : 2013
WEST COAST - GULF BASIN
Khlong Ang Thong at Ban Ang Thong , Prachuap Khiri Khan (Gt.19)
Lat 11 - 26 - 10 N Long 99 - 33 - 54 E
Locat on : on e t an at t e r ge o P et Kasem H g way near t e gu epost 373.
61
sq.km.
Staff gage
+12.447 m. (MSL.)
B.M.-H.D.
On left bank at the abutment of the bridge.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
+17.599 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Thap Sakae
Changwat
Prachuap Khiri Khan
Ban
Ang Thong
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 5 readings
1987 to date
1987 - 1988, 1993 to date
-
1987 - 1988, 1993 to date
Stable.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records good. Stage-discharge relation defined by 12 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
13.08
13.06
13.00
13.01
13.13
13.03
13.26
13.37
13.39
13.22
13.10
13.05
2
13.08
13.05
13.00
13.01
13.12
13.03
13.25
13.36
13.39
13.22
13.10
13.05
3
13.08
13.05
13.00
13.01
13.12
13.02
13.23
13.35
13.39
13.21
13.10
13.05
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
13.08
13.05
12.99
13.02
13.11
13.02
13.20
13.34
13.39
13.20
13.10
13.04
5
13.08
13.05
13.00
13.02
13.11
13.02
13.19
13.33
13.40
13.20
13.10
13.04
6
13.07
13.05
13.00
13.02
13.11
13.01
13.29
13.32
13.40
13.20
13.10
13.04
7
13.07
13.10
13.01
13.03
13.10
13.03
14.07
13.31
13.41
13.20
13.09
13.04
8
13.07
13.08
13.03
13.05
13.10
13.07
13.47
13.31
13.40
13.19
13.08
13.04
9
13.07
13.08
13.02
13.09
13.10
13.05
13.39
13.34
13.40
13.19
13.08
13.03
10
13.07
13.07
13.02
13.00
13.09
13.05
13.35
13.35
13.38
13.19
13.07
13.03
11
13.07
13.07
13.02
12.99
13.11
13.06
13.35
13.33
13.38
13.19
13.06
13.03
12
13 07
13 07
13 03
12 99
13 12
13 06
13 44
13 33
13 37
13 18
13 06
13 03
.
.
.
.
.
.
.
.
.
.
.
.
13
13.20
13.07
13.03
12.99
13.12
13.06
13.37
13.32
13.36
13.18
13.06
13.03
14
13.17
13.08
13.02
12.99
13.12
13.07
13.35
13.31
13.34
13.18
13.06
13.03
15
13.21
13.08
13.02
12.99
13.11
13.07
13.33
13.31
13.32
13.18
13.06
13.03
16
13.35
13.08
13.02
12.99
13.11
13.05
13.31
13.31
13.30
13.17
13.05
13.03
17
13.33
13.10
13.02
13.00
13.11
13.04
13.30
14.75
13.29
13.16
13.05
13.02
18
13.28
13.10
13.02
13.00
13.10
13.03
13.29
13.80
13.28
13.14
13.05
13.02
19
13.22
13.09
13.02
13.02
13.10
13.03
13.28
13.43
13.28
13.13
13.05
13.02
20
13.16
13.08
13.02
13.03
13.10
13.06
13.29
13.34
13.27
13.12
13.05
13.02
21
13.13
13.08
13.03
13.03
13.04
13.07
13.31
13.33
13.26
13.12
13.05
13.02
22
13.13
13.09
13.03
13.04
13.03
13.35
13.45
13.32
13.26
13.12
13.07
13.02
23
13.13
13.09
13.03
13.05
13.03
13.52
13.39
13.72
13.26
13.12
13.08
13.05
24
13.12
13.09
13.03
13.04
13.02
13.71
13.36
14.17
13.25
13.11
13.08
13.16
25
13.12
13.09
13.03
13.04
13.02
13.54
13.35
13.84
13.25
13.11
13.07
13.19
26
13.11
13.09
13.05
13.04
13.02
13.44
13.35
13.52
13.25
13.11
13.06
13.18
27
13.10
13.09
13.07
13.05
13.01
13.36
13.33
13.43
13.25
13.10
13.05
13.18
28
13.08
13.09
13.04
13.05
13.01
13.27
13.32
13.42
13.24
13.10
13.05
13.17
29
13.06
13.09
13.03
13.04
13.00
13.18
13.37
13.40
13.23
13.10
13.16
30
13.06
13.08
13.01
13.06
13.02
13.29
13.40
13.39
13.23
13.10
13.10
31
13.01
13.12
13.03
13.37
13.23
13.10
13.05
----------
--------------
Mean
13.13
13.08
13.02
13.03
13.08
13.15
13.36
13.47
13.32
13.16
13.07
13.06
Max
13.35
13.10
13.07
13.12
13.13
13.71
14.07
14.75
13.41
13.22
13.10
13.19
14.75
Min
13.06
13.01
12.99
12.99
13.00
13.01
13.19
13.31
13.23
13.10
13.05
13.02
12.99
14.83
m. (MSL.) ,
12.45
m. (MSL.) ,
River Bed 12.74
m. (MSL.)
16.74
m. (MSL.) ,
16.72
m. (MSL.) ,
Drainage Area
61
Square Kilometers
at 09.00 Hours , on Nov 17, 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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