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546
Location : on left bank at the bridge of Khlong Prayat near Wat Chaman.
229
sq.km.
Amphoe
Makham
Changwat
Chanthaburi
Ban
Chaman
WATER YEAR : 2012
EAST COAST - GULF BASIN
Khlong Phayat at Ban Chaman , Chanthaburi (Z.14)
Lat 12 - 44 - 34 N Long 102 - 12 - 35 E
Drainge Area
Water - stage recorder
+5.400 m. (MSL.)
B.M.-H.D.
On left bank about 30 meters from the top staff gage.
Elevation
Recording
Arithmetic mean of 24 readings
1968 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+13.690 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1986 to date
-
1986 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 19 discharge measurements made in 2012.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Period of Rating
Rated by Flot
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
6.34
6.45
8.83
9.11
8.81
8.66
7.89
7.09
6.80
6.44
6.40
6.29
2
6.33
6.40
8.95
8.81
8.62
8.63
7.74
7.06
6.71
6.45
6.38
6.32
3
6.34
6.40
8.05
8.12
8.72
8.85
7.96
7.03
6.68
6.39
6.36
6.30
4
6.41
6.41
8.17
7.90
8.32
8.67
8.05
7.00
6.66
6.38
6.36
6.33
5
6.55
6.43
7.93
8.61
7.89
8.79
7.92
6.96
6.62
6.40
6.33
6.30
6
6.51
6.61
7.44
8.00
7.74
8.88
7.98
6.96
6.61
6.39
6.31
6.29
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
6.45
6.70
7.44
7.73
7.86
9.85
8.34
6.93
6.60
6.44
6.31
6.29
8
6.43
7.14
7.78
7.65
8.76
9.99
7.93
6.91
6.58
6.49
6.30
6.31
9
6.46
6.94
7.62
7.68
7.96
9.10
7.65
6.94
6.56
6.39
6.30
6.38
10
6.46
6.68
7.63
7.42
8.52
8.81
7.54
6.89
6.56
6.36
6.32
6.54
11
6.45
6.73
7.42
7.30
8.04
8.29
7.54
6.87
6.54
6.36
6.31
6.67
12
6.44
6.71
7.26
9.08
7.73
8.62
7.46
6.83
6.55
6.36
6.31
6.52
13
6.42
7.25
8.02
8.96
7.93
9.49
7.32
6.82
6.55
6.36
6.32
6.42
14
6.42
6.79
7.52
8.67
7.85
9.26
7.27
6.80
6.54
6.36
6.32
6.37
15
6.43
6.75
7.35
7.79
7.97
11.04
7.41
6.75
6.53
6.35
6.30
6.33
16
6.41
8.05
7.37
7.48
8.20
9.39
7.41
6.72
6.52
6.37
6.29
6.30
17
6.40
7.03
7.78
7.45
9.31
9.75
7.37
6.71
6.52
6.33
6.29
6.32
18
6.38
6.87
8.26
8.45
9.06
10.35
7.17
6.73
6.52
6.42
6.28
6.30
19
6.36
6.93
8.01
7.61
10.72
9.45
7.10
6.72
6.52
6.45
6.29
6.30
20
6.32
6.83
7.55
8.76
9.00
9.15
7.04
6.71
6.50
6.43
6.28
6.31
21
6.33
6.74
7.52
8.33
8.37
9.75
7.01
6.69
6.46
6.42
6.33
6.32
22
6.35
6.85
7.76
7.86
8.82
9.32
6.99
6.70
6.45
6.43
6.29
6.30
23
6.34
6.75
7.36
7.45
8.22
8.88
6.97
6.67
6.44
6.44
6.27
6.28
24
6.37
6.70
7.30
7.30
8.60
8.83
6.96
6.65
6.44
6.47
6.26
6.27
25
6.39
7.76
7.19
7.51
8.51
9.56
6.92
6.64
6.44
6.45
6.25
6.77
26
6.37
9.93
7.11
7.80
10.72
8.42
6.88
6.63
6.44
6.48
6.28
6.51
27
6.46
9.36
7.23
8.52
9.84
8.14
6.87
6.62
6.44
6.44
6.28
6.40
28
6.44
8.33
7.63
8.51
12.03
8.80
6.85
6.60
6.44
6.43
6.27
6.37
29
6.59
8.22
7.71
9.15
10.30
7.99
6.84
6.60
6.40
6.39
6.36
30
6.52
8.05
7.65
10.23
9.16
7.72
6.82
6.58
6.41
6.42
6.33
31
8.18
9.07
8.62
6.85
6.41
6.44
6.30
----------
--------------
Mean
6.42
7.19
7.69
8.20
8.78
9.08
7.36
6.79
6.53
6.41
6.31
6.37
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Max
6.59
9.93
8.95
10.23
12.03
11.04
8.34
7.09
6.80
6.49
6.40
6.77
12.03
Min
6.32
6.40
7.11
7.30
7.73
7.72
6.82
6.58
6.40
6.33
6.25
6.27
6.25
13.30
m. (MSL.) ,
5.40
m. (MSL.) ,
River Bed 5.61
m. (MSL.)
13.44
m. (MSL.) ,
13.41
m. (MSL.) ,
Drainage Area 229 Square Kilometers
at 06.00 Hours, on Sep 15, 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation