Basic HTML Version
592
Location : on left bank at the bridge on highway.
200
sq.km.
WATER YEAR : 2011
EAST COAST - GULF BASIN
Khlong Bo Rai at Ban Bo Rai , Trat (Z.59)
Lat 12 - 21 - 45 N Long 102 - 32 - 38 E
Drainge Area
Amphoe
Makham
Changwat
Chanthaburi
Ban
Ta Bok Tia
Water - stage recorder
+16.570 m. (MSL.)
B.M.-H.D.
On left bank near the gage site.
Elevation
Recording
Arithmetic means of 24 readings
2010 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+24.570 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2010 to date
-
2010 to date
Fairly stable because of back water effect
Overbank flow starts at elevation +25.260 m. (MSL.), records are including overbank flow.
Records fair. Stage-discharge relation defined by 19 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
21.86
21.96
21.92
20.31
21.27
20.80
20.41
21.97
21.89
21.85
21.86
21.88
2
21.87
21.96
21.95
20.19
20.96
20.89
21.05
21.97
21.89
21.86
21.87
21.87
3
21.87
21.95
21.96
20.27
20.58
20.83
21.31
21.96
21.89
21.86
21.88
21.86
4
21.89
21.94
21.95
20.16
20.37
21.11
20.49
21.96
21.88
21.86
21.87
21.85
5
21.92
21.95
21.93
20.00
20.23
20.93
20.23
21.96
21.88
21.86
21.86
21.85
6
21.94
21.94
21.92
19.92
20.24
20.74
20.30
21.95
21.88
21.86
21.86
21.86
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
21.91
21.93
21.93
19.87
20.20
21.46
20.35
21.94
21.88
21.86
21.86
21.85
8
21.90
21.95
21.93
20.01
20.15
21.06
20.79
21.94
21.88
21.86
21.86
21.85
9
21.90
21.97
21.93
20.56
20.15
22.30
20.57
21.94
21.88
21.86
21.86
21.85
10
21.89
21.98
21.93
21.65
21.09
22.81
20.89
21.93
21.88
21.86
21.86
21.90
11
21.88
21.98
21.92
20.81
20.88
25.12
20.29
21.93
21.66
21.86
21.86
21.89
12
21.88
21.97
21.95
20.99
20.90
24.46
20.32
21.92
21.66
21.86
21.86
21.87
13
21.94
21.97
21.96
21.18
20.39
21.79
20.44
21.92
21.66
21.86
21.86
21.87
14
21.94
21.97
21.95
21.66
20.55
21.03
20.38
21.92
21.66
21.86
21.85
21.87
15
21.91
21.96
21.93
21.93
20.50
20.79
20.24
21.92
21.66
21.86
21.85
21.88
16
21.89
21.94
21.92
21.68
20.67
20.52
20.23
21.91
21.66
21.86
21.85
21.87
17
21.89
21.95
21.93
21.26
20.68
20.43
20.11
21.91
21.66
21.86
21.86
21.87
18
21.89
22.19
21.93
20.93
20.45
20.38
20.05
21.91
21.66
21.87
21.88
21.88
19
21.88
22.05
21.93
20.72
20.54
20.83
20.45
21.91
21.66
21.87
21.88
21.87
20
21.90
22.00
21.93
21.69
20.59
20.69
21.36
21.91
21.66
21.87
21.87
21.87
21
21.90
21.96
21.21
22.27
20.38
21.73
21.02
21.91
21.87
21.88
21.86
21.86
22
21.96
21.94
21.19
21.64
20.10
21.46
20.89
21.90
21.87
21.87
21.85
21.86
23
21.96
21.95
20.65
21.12
20.04
21.56
20.80
21.90
21.87
21.87
21.85
21.86
24
21.94
21.95
20.28
20.82
20.16
21.09
20.71
21.90
21.64
21.87
21.85
21.85
25
22.02
21.94
20.10
20.98
20.08
20.82
20.88
21.90
21.64
21.87
21.85
21.86
26
22.08
21.95
19.99
20.95
20.12
20.71
21.07
21.90
21.64
21.87
21.87
21.86
27
22.02
21.93
20.78
20.64
20.39
20.83
22.00
21.90
21.64
21.87
21.86
21.86
28
21.95
21.93
21.51
20.49
21.23
20.46
22.05
21.90
21.64
21.87
21.85
21.85
29
21.97
21.92
20.91
20.99
22.96
20.67
22.01
21.90
21.64
21.86
21.87
21.85
30
21.97
21.94
20.45
20.83
21.85
20.52
22.06
21.90
21.85
21.86
21.85
31
21.94
20.93
20.93
22.01
21.85
21.86
21.85
----------
--------------
Mean
21.92
21.96
21.53
20.89
20.63
21.29
20.83
21.92
21.76
21.86
21.86
21.86
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
22.08
22.19
21.96
22.27
22.96
25.12
22.06
21.97
21.89
21.88
21.88
21.90
25.12
Min
21.86
21.92
19.99
19.87
20.04
20.38
20.05
21.90
21.64
21.85
21.85
21.85
19.87
26.25
m. (MSL.) ,
16.57
m. (MSL.) ,
River Bed 16.72
m. (MSL)
25.25
m. (MSL.) ,
25.29
m. (MSL.) ,
Drainage Area 200 Square Kilometers
at 01.00 Hours, on Sep 12, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation