686
Location : on right bank at Ban Tha Khian.
480
sq.km.
Amphoe
Langu
Changwat
Satun
Ban
Tha Khian
WATER YEAR : 2011
SOUTHERN PENINSULA WEST COAST
Khlong Langu at Ban Tha Khian , Satun (X.150)
Lat 06 - 56 - 30 N Long 99 - 52 - 33 E
Drainge Area
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On right bank about 5 meters from the top staff gage.
Elevation
Recording
Arithmetic means of 24 readings
1984 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+12.997 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1984 to date
-
1984 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 37 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
9.47
6.12
5.57
5.61
5.64
7.15
6.72
7.28
6.52
6.83
6.11
5.66
2
7.70
5.91
5.70
5.61
5.57
6.68
6.50
6.54
6.40
9.76
6.03
5.57
3
6.83
5.73
5.94
5.59
5.72
6.41
6.60
6.22
6.31
8.69
6.04
5.55
4
6.48
6.14
6.49
5.63
5.67
6.24
6.61
6.08
6.24
7.53
5.95
5.55
5
6.28
6.11
6.04
5.56
5.56
6.12
7.53
6.10
6.30
6.76
5.90
5.67
6
6.22
6.09
5.93
5.55
5.54
6.07
9.01
7.18
6.19
6.52
5.87
6.59
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
6.32
6.22
5.80
5.55
5.54
6.11
7.43
6.68
6.09
6.38
5.85
6.11
8
6.09
5.82
5.71
5.54
5.54
5.95
6.77
6.24
6.09
6.31
5.84
5.74
9
5.97
5.72
5.67
5.54
5.53
5.86
6.57
6.45
6.29
6.25
5.78
6.23
10
5.90
5.71
5.94
5.54
5.53
6.39
6.41
6.18
6.09
6.31
5.74
6.08
11
5.85
5.68
7.78
5.54
5.52
11.35
6.48
6.06
6.13
6.49
5.73
5.83
12
5.80
5.71
6.64
5.53
5.53
13.43
6.37
6.15
6.58
6.64
5.72
5.72
13
5.76
5.73
6.84
5.53
5.53
12.99
6.23
5.96
7.55
8.83
5.73
5.65
14
5.72
5.65
6.31
5.57
5.54
11.27
6.15
5.90
8.53
8.74
5.74
5.61
15
5.69
5.60
6.05
5.58
6.38
8.10
6.07
5.88
6.86
8.43
5.73
5.57
16
5.68
5.57
5.95
5.88
5.82
7.02
6.00
6.08
6.69
7.25
5.71
5.54
17
5.72
5.60
5.85
5.60
5.92
6.82
6.07
5.90
7.82
6.80
5.69
5.52
18
5.92
6.02
5.91
5.54
5.68
6.85
6.01
5.84
8.02
6.74
5.67
5.56
19
6.18
7.18
5.94
5.53
5.56
7.30
6.02
5.89
8.00
6.80
5.68
5.51
20
6.64
7.34
5.84
5.54
5.73
8.00
6.12
5.83
7.30
6.81
5.68
5.56
21
5.91
6.13
5.78
5.53
6.26
7.16
5.97
6.01
6.85
6.89
5.65
5.61
22
5.76
6.00
5.69
5.53
6.23
6.75
5.94
7.65
6.66
6.99
5.64
5.51
23
5.71
6.51
5.65
5.58
6.86
6.65
5.98
8.30
6.53
6.58
5.62
5.47
24
5.67
5.97
5.62
5.64
6.00
6.42
5.88
9.36
6.73
6.39
5.58
5.45
25
5.62
5.60
5.59
5.86
7.72
6.30
5.89
9.94
6.79
6.29
5.57
5.45
26
5.58
5.77
5.57
5.64
10.36
7.70
5.99
9.80
6.41
6.21
5.55
5.48
27
5.57
5.76
5.74
5.59
10.08
7.09
6.04
8.17
6.29
6.15
5.54
5.52
28
5.56
5.67
5.65
6.26
11.04
6.69
5.90
7.38
6.24
6.10
5.56
5.66
29
5.55
5.63
5.64
7.06
11.63
6.87
5.84
7.04
6.17
6.06
5.63
5.52
30
5.72
5.60
5.61
6.01
11.51
7.21
6.41
6.72
6.13
6.15
5.48
31
5.58
5.77
9.36
7.39
6.14
6.19
5.65
----------
--------------
Mean
6.10
5.93
5.95
5.68
6.78
7.50
6.42
6.83
6.68
6.93
5.74
5.67
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
9.47
7.34
7.78
7.06
11.63
13.43
9.01
9.94
8.53
9.76
6.11
6.59
13.43
Min
5.55
5.57
5.57
5.53
5.52
5.86
5.84
5.83
6.09
6.06
5.54
5.45
5.45
13.53
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 4.64
m. (MSL)
15.85
m. (MSL.) ,
15.81
m. (MSL.) ,
Drainage Area 480 Square Kilometers
at 16.00 Hours , on Sep 12 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation