590
Location : on left bank at the bridge on highway.
-
sq.km.
Amphoe
Makham
Changwat
Chanthaburi
Ban
Ta Bok Tia
WATER YEAR : 2011
EAST COAST - GULF BASIN
Khlong Thung Plae at Ban Ta Bok Tia , Chanthaburi (Z.56)
Lat 12 - 49 - 09 N Long 102 - 14 - 20 E
Drainge Area
Staff gage
+24.743 m. (MSL.)
B.M.-H.D.
On left bank near the gage site.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
2007 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+31.739 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
2007 to date
-
2007 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 18 discharge measurements made in 2011.
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
25.18
25.15
25.33
25.81
26.67
25.94
26.71
25.39
25.13
25.74
25.64
25.14
2
25.17
25.16
25.32
25.77
26.54
26.03
25.92
25.36
25.12
25.74
25.63
25.13
3
25.16
25.18
25.31
25.88
26.24
26.00
25.86
25.35
25.12
25.74
25.62
25.11
4
25.14
25.24
25.32
25.83
26.17
26.01
25.87
25.34
25.12
25.74
25.60
25.07
5
25.29
25.22
25.30
25.63
26.01
26.21
25.90
25.33
25.11
25.74
25.58
25.04
6
25.33
25.11
25.31
25.53
25.85
25.95
25.75
25.29
25.11
25.74
25.59
25.04
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
25.31
25.11
25.26
25.48
25.90
25.84
25.74
25.28
25.09
25.73
25.58
25.15
8
25.34
25.08
25.26
25.46
26.04
25.92
25.73
25.30
25.08
25.73
25.57
25.24
9
25.45
25.06
25.27
25.43
26.07
26.02
25.70
25.29
25.07
25.73
25.55
25.29
10
25.36
25.04
25.31
25.56
26.03
26.11
25.74
25.27
25.06
25.72
25.54
25.38
11
25.31
25.00
25.26
25.54
26.19
26.76
25.72
25.26
25.04
25.72
25.53
25.58
12
25.31
25.04
25.34
25.65
26.01
27.16
25.75
25.24
25.04
25.72
25.52
25.45
13
25.29
25.08
25.29
25.66
25.95
26.67
25.82
25.24
25.04
25.71
25.51
25.34
14
25.28
25.10
25.26
26.07
25.83
26.81
25.84
25.24
25.04
25.71
25.49
25.33
15
25.27
25.06
25.23
26.19
26.33
26.34
25.87
25.24
25.04
25.71
25.49
25.24
16
25.26
25.03
25.22
25.96
26.46
26.07
25.90
25.23
25.04
25.71
25.44
25.19
17
25.20
25.05
25.31
25.78
26.24
25.93
25.87
25.22
25.04
25.70
25.30
25.14
18
25.19
25.25
25.27
25.72
26.16
25.85
25.79
25.22
25.04
24.89
25.27
25.11
19
25.20
25.28
25.17
25.64
26.00
25.84
25.73
25.21
25.03
25.74
25.29
25.08
20
25.19
25.16
25.27
26.06
26.28
26.12
25.69
25.18
25.00
25.74
25.33
25.05
21
25.19
25.15
25.26
26.81
25.87
26.21
25.63
25.17
24.98
25.74
25.34
25.04
22
25.21
25.14
25.27
26.27
25.81
25.97
25.59
25.16
24.96
25.74
25.34
25.04
23
25.29
25.13
25.78
26.11
25.72
26.01
25.49
25.16
24.94
25.44
25.34
25.04
24
25.47
25.53
26.14
26.12
25.72
26.24
25.49
25.15
24.94
24.89
25.34
25.01
25
25.57
25.38
25.59
25.99
25.68
26.04
25.49
25.15
24.94
24.85
25.25
25.49
26
25.64
25.64
25.52
26.31
25.63
26.02
25.45
25.14
24.94
24.81
25.22
25.14
27
25.57
25.54
25.50
25.92
25.94
26.05
25.44
25.14
24.94
25.12
25.17
25.04
28
25.52
25.48
25.44
26.44
25.69
26.00
25.44
25.14
25.56
25.67
25.16
25.04
29
25.40
25.56
25.39
26.47
26.47
25.94
25.47
25.14
25.67
25.64
25.14
24.96
30
25.39
25.42
25.33
26.07
26.27
25.81
25.44
25.14
25.77
25.65
24.86
31
25.35
26.53
25.94
25.43
25.74
25.65
24.84
----------
--------------
Mean
25.32
25.22
25.36
25.93
26.06
26.13
25.72
25.23
25.12
25.58
25.43
25.15
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
25.64
25.64
26.14
26.81
26.67
27.16
26.71
25.39
25.77
25.74
25.64
25.58
27.16
Min
25.14
25.00
25.17
25.43
25.63
25.81
25.43
25.14
24.94
24.81
25.14
24.84
24.81
27.74
m. (MSL.) ,
24.74
m. (MSL.) ,
River Bed 24.96
m. (MSL)
32.41
m. (MSL.) ,
32.53
m. (MSL.) ,
Drainage Area
Square Kilometers
at 18.00 Hours, on Sep 11, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation