Basic HTML Version
626
Location : on left bank at the bridge.
1358
sq.km.
WATER YEAR : 2011
SOUTHERN PENINSULA EAST COAST
Kolok River at Lantu Bridge , Narathiwat (X.119A)
Lat 06 - 01 - 13 N Long 101 - 58 - 40 E
Drainge Area
Amphoe
Sungai Kolok
Changwat
Narathiwat
Ban
-
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank in front of gage observer's house.
Elevation
Recording
Arithmetic means of 24 readings
1988 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+10.000 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1988 to date
-
2004 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 59 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
7.46
3.77
4.33
4.83
4.25
5.14
4.21
6.01
8.89
7.91
5.41
4.29
2
6.85
3.92
4.18
4.64
4.12
5.53
4.06
5.87
8.23
9.55
5.89
4.25
3
6.78
3.97
4.44
5.05
4.12
5.07
4.18
5.46
7.30
9.17
6.70
5.85
4
6.43
3.81
4.47
5.03
4.12
4.86
4.14
5.64
6.61
8.48
6.84
6.46
5
5.94
3.77
4.41
5.57
4.06
5.28
4.24
5.40
7.13
7.55
6.04
6.04
6
5.77
3.81
4.99
5.25
4.00
5.21
4.14
5.55
8.06
6.61
5.55
6.43
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
5.56
3.93
4.83
4.87
3.97
6.08
4.20
5.32
7.85
6.10
5.22
6.30
8
5.21
3.85
5.09
5.08
4.09
6.29
5.62
5.07
6.90
5.76
4.96
5.33
9
4.97
4.13
5.43
5.35
4.18
5.97
6.91
4.84
6.23
5.93
4.77
4.83
10
5.50
4.70
5.97
5.18
4.07
5.88
6.64
4.68
6.62
5.89
4.61
4.54
11
6.48
4.46
6.04
4.72
4.03
5.69
6.56
4.56
7.16
6.42
4.48
4.41
12
6.06
4.28
5.68
4.48
4.49
5.37
6.30
4.47
7.15
6.98
4.51
4.43
13
5.64
4.45
5.61
4.83
4.89
5.04
6.04
4.56
6.87
8.41
5.19
5.03
14
5.33
4.28
6.61
6.01
4.52
5.26
5.70
4.87
6.47
8.71
4.76
4.64
15
5.03
4.21
6.67
5.65
5.29
5.12
5.38
5.10
6.20
8.89
4.45
4.45
16
4.76
4.65
6.24
5.21
6.28
5.45
5.93
5.35
6.73
8.89
4.34
4.28
17
4.53
4.43
5.77
4.99
5.74
5.29
5.62
4.98
7.43
8.31
4.33
4.18
18
4.78
4.35
5.36
5.22
5.07
4.97
5.25
5.03
7.74
7.74
4.54
4.26
19
4.75
5.10
5.41
4.95
5.12
5.38
5.00
4.77
7.54
7.81
5.22
4.10
20
4.45
5.25
5.27
4.92
5.44
5.02
4.75
4.81
7.68
8.44
4.81
3.99
21
4.24
5.20
5.09
4.69
5.02
5.01
4.88
5.50
7.59
9.38
4.58
3.99
22
4.10
4.98
4.96
5.12
4.68
4.82
4.93
6.86
7.56
9.17
4.34
4.22
23
3.99
5.01
4.87
5.08
4.81
4.58
4.60
8.56
7.83
8.32
4.21
4.58
24
3.91
5.05
4.65
4.82
5.22
4.42
4.44
9.82
7.89
7.15
4.14
5.61
25
3.88
5.22
4.45
5.73
5.56
4.32
4.33
9.94
7.40
6.31
4.08
5.04
26
3.84
5.10
4.44
5.50
5.35
4.38
4.42
9.86
6.78
5.86
4.03
4.53
27
3.82
4.82
4.74
5.41
5.18
4.25
4.52
9.85
6.32
5.53
3.98
5.39
28
3.88
4.59
5.45
5.25
4.86
4.10
4.76
9.75
6.15
5.32
4.11
5.25
29
3.81
4.43
5.10
4.83
5.02
4.07
4.61
9.53
5.99
5.18
4.17
4.63
30
3.80
4.39
4.78
4.59
4.83
4.34
4.67
9.24
5.70
5.44
4.38
31
4.43
4.41
4.60
5.68
5.82
5.40
4.59
----------
--------------
Mean
5.05
4.46
5.18
5.07
4.74
5.07
5.06
6.38
7.09
7.31
4.84
4.85
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
7.46
5.25
6.67
6.01
6.28
6.29
6.91
9.94
8.89
9.55
6.84
6.46
9.94
Min
3.80
3.77
4.18
4.41
3.97
4.07
4.06
4.47
5.70
5.18
3.98
3.99
3.77
9.97
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 1.31
m. (MSL)
11.76
m. (MSL.) ,
11.49
m. (MSL.) ,
Drainage Area 1358 Square Kilometers
at 19.00 Hours , on Nov 24 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation