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654
i
l f b k h b id
WATER YEAR : 2013
SOUTHERN PENINSULA EAST COAST
Kolok River at Lantu Bridge , Narathiwat (X.119A)
Lat 06 - 01 - 13 N Long 101 - 58 - 40 E
Locat on : on e t an at t e r ge.
1,358
sq.km.
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank in front of gage observer's house.
Elevation
Recording
Drainge Area
Amphoe
Sungai Kolok
Changwat
Narathiwat
Ban
-
Gage Reading Frequency
Zero Gage at Bottom
+10.000 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 24 readings
1988 to date
1988 to date
-
2004 to date
Fairly stable.
Overbank flow starts at elevation +9.760 m.(MSL.), records are channel flow only.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records good. Stage-discharge relation defined by 37 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
3.80
4.83
3.83
3.91
3.75
4.72
3.87
4.40
7.48
5.61
4.12
3.31
2
3.75
4.65
3.78
3.81
3.88
4.34
3.88
4.25
7.57
5.58
4.06
3.28
3
3.75
4.63
3.77
3.85
3.68
4.12
4.26
4.36
7.67
5.71
4.01
3.25
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
3.73
4.99
4.20
3.87
3.63
3.99
4.68
4.79
8.53
6.15
3.96
3.22
5
3.79
4.72
5.38
3.84
3.65
4.03
4.57
4.49
9.94
5.57
3.92
3.20
6
3.88
4.53
6.46
3.82
3.94
4.43
4.19
4.48
9.97
5.42
3.88
3.19
7
3.86
5.06
6.61
3.85
4.15
5.41
3.95
4.43
9.66
5.17
3.85
3.18
8
3.77
5.21
5.36
3.91
3.93
6.02
3.84
4.47
8.99
4.99
3.81
3.17
9
3.73
4.79
4.72
3.97
4.35
6.36
3.84
4.75
8.04
4.84
3.78
3.16
10
3.70
4.58
4.50
4.05
4.50
5.74
4.03
5.04
7.55
5.73
3.77
3.14
11
3.63
4.45
4.32
4.99
5.33
5.10
3.85
4.73
7.85
6.88
3.73
3.12
12
4 15
4 44
4 32
4 93
5 36
4 72
3 71
4 96
7 49
9 62
3 69
3 10
.
.
.
.
.
.
.
.
.
.
.
.
13
4.11
4.29
4.25
4.39
4.89
5.28
3.69
4.86
6.69
9.98
3.67
3.09
14
4.02
4.22
4.06
4.17
4.53
5.69
3.89
4.55
6.17
9.69
3.65
3.09
15
4.51
4.35
3.99
4.04
4.26
5.80
3.74
4.33
6.14
9.05
3.64
3.11
16
5.74
5.07
3.95
3.90
4.29
5.44
3.67
4.35
5.94
8.08
3.63
3.14
17
5.44
4.86
3.91
4.02
4.23
5.43
3.67
4.18
6.05
6.96
3.62
4.02
18
4.88
5.92
3.84
4.00
4.23
5.08
3.65
4.04
6.67
6.28
3.61
4.11
19
4.45
5.62
3.75
3.90
4.72
4.71
3.63
4.26
7.13
5.87
3.59
3.85
20
4.18
5.39
3.72
3.83
4.98
4.47
3.65
6.25
7.61
5.57
3.57
3.84
21
4.13
5.11
3.71
3.73
4.45
4.28
3.62
7.58
7.75
5.30
3.54
3.69
22
5.58
4.62
3.70
3.71
4.24
4.15
3.71
7.56
6.80
5.07
3.49
3.72
23
5.09
4.38
3.68
3.67
4.32
4.05
5.16
6.56
6.01
4.88
3.45
3.68
24
4.72
4.24
3.66
3.63
4.26
3.97
4.95
6.14
5.61
4.74
3.42
3.55
25
4.53
4.14
3.64
3.62
4.28
3.92
4.79
5.73
5.33
4.62
3.39
3.45
26
4.30
4.07
3.74
3.63
4.18
3.90
5.23
5.33
5.09
4.51
3.38
3.40
27
4.38
4.12
4.30
3.73
4.74
3.86
6.45
5.00
4.92
4.43
3.36
3.34
28
4.48
4.05
4.23
3.82
4.80
3.90
6.95
4.91
4.94
4.37
3.34
3.30
29
4.89
3.93
3.98
3.74
5.06
3.97
5.78
5.13
5.95
4.32
3.29
30
4.63
3.91
4.06
3.64
5.08
3.93
5.07
6.67
6.20
4.25
3.34
31
3.87
3.60
4.89
4.65
6.00
4.18
3.36
----------
--------------
Mean
4.32
4.61
4.25
3.92
4.41
4.69
4.34
5.09
7.02
5.92
3.68
3.38
Max
5.74
5.92
6.61
4.99
5.36
6.36
6.95
7.58
9.97
9.98
4.12
4.11
9.98
Min
3.63
3.87
3.64
3.60
3.63
3.86
3.62
4.04
4.92
4.18
3.34
3.09
3.09
10.12
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 1.09
m. (MSL.)
10.65
m. (MSL.) ,
9.75
m. (MSL.) ,
Drainage Area 1358 Square Kilometers
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at 14.00 Hours , on Dec 5 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation