Basic HTML Version
646
Location : on left bank downstream side of the bridge of Phatthalung - Hat Yai Highway.
302
sq.km.
WATER YEAR : 2012
THALE SAP SONGKHLA
Khlong Tha Khae at Ban Tha Khae , Phatthalung (X.68)
Lat 07 - 34 - 01 N Long 100 - 03 - 05 E
Drainge Area
Amphoe
Mueang
Changwat
Phatthalung
Ban
Tha Khae
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
On left bank near the gage observer's house.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic mean of 5 readings
1967 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+15.966 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1967 - 1972 , 1983 to date
-
1967 - 1972 , 1983 to date
Fairly stable.
No overbank flow.
Records good. Flow regulated by Tha Khae Weir.
Stage-discharge relation defined by 31 discharge measurements made in 2012.
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
13.03
13.00
12.94
12.82
12.62
12.86
13.05
13.08
14.00
14.24
13.08
13.63
2
13.01
12.97
12.87
12.80
12.59
12.81
13.01
13.09
14.05
14.02
13.07
13.54
3
13.02
12.95
12.91
12.79
12.57
12.80
12.96
13.54
13.70
14.02
13.06
13.45
4
13.00
12.90
13.07
12.79
12.55
12.78
12.93
13.27
13.51
14.15
13.31
13.39
5
13.01
12.90
12.85
12.98
12.54
12.76
12.92
13.19
13.34
13.85
13.18
13.29
6
13.27
12.95
13.57
13.05
12.54
12.80
12.89
13.19
13.25
13.77
13.07
13.23
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
13.22
13.02
13.72
12.72
12.51
13.14
12.94
13.07
13.17
13.67
13.01
13.20
8
13.07
13.01
14.07
12.88
12.51
13.07
12.99
13.04
13.11
13.58
12.97
13.16
9
13.03
12.99
13.75
13.01
12.55
12.80
12.92
13.17
13.10
13.49
12.95
13.14
10
13.04
12.91
13.60
12.98
12.47
12.73
12.87
13.15
13.40
13.48
12.93
13.12
11
13.08
12.82
13.58
13.02
12.51
12.78
13.21
13.30
13.65
13.57
12.91
13.08
12
13.03
12.77
13.52
13.06
12.55
13.11
13.16
13.56
13.57
13.54
12.90
13.04
13
13.01
12.79
13.43
12.92
12.60
13.30
12.99
13.24
13.37
13.52
13.09
13.01
14
13.01
12.77
13.43
12.85
12.58
13.40
12.98
13.10
13.44
13.43
12.99
12.99
15
12.98
12.75
13.20
12.75
12.57
13.41
13.07
13.01
14.08
13.37
12.94
13.00
16
12.99
12.80
13.07
12.63
12.65
13.11
13.07
12.97
14.25
13.33
12.88
13.01
17
13.05
13.05
13.05
12.46
12.66
12.99
13.01
12.93
13.83
13.30
12.84
12.99
18
13.01
12.90
13.09
12.49
12.64
12.93
13.04
12.93
13.67
13.31
12.81
12.97
19
13.17
12.78
13.05
12.58
12.76
12.83
13.11
13.26
13.62
13.27
12.79
12.95
20
13.46
12.75
13.01
12.60
12.80
12.82
13.10
13.11
14.15
13.31
12.79
12.92
21
13.35
12.74
13.01
12.67
12.72
13.07
13.32
13.26
14.01
13.28
12.78
12.89
22
13.11
12.72
12.99
12.65
12.58
13.08
13.26
13.67
14.31
13.29
12.77
12.85
23
13.02
12.71
12.95
12.63
12.59
12.98
13.14
13.22
14.16
13.50
12.81
12.83
24
13.04
12.75
12.84
12.64
12.71
12.88
13.24
13.15
14.86
13.41
13.12
12.80
25
13.00
12.88
12.83
13.29
13.41
12.94
13.49
13.15
14.11
13.29
14.80
12.77
26
12.99
13.10
12.83
12.93
13.30
13.18
13.31
13.18
13.85
13.25
14.68
12.75
27
13.02
13.12
12.73
12.81
12.85
13.23
13.08
13.38
13.78
13.21
13.89
12.74
28
13.03
13.39
12.81
12.77
13.22
13.38
13.03
13.53
13.73
13.18
13.72
12.71
29
13.03
13.45
12.84
12.72
13.64
13.36
12.94
13.83
13.66
13.15
12.68
30
12.98
13.01
12.84
12.70
13.13
13.19
12.89
14.01
14.15
13.13
12.66
31
12.99
12.65
12.98
12.83
14.74
13.10
12.64
----------
--------------
Mean
13.07
12.92
13.15
12.79
12.74
13.02
13.06
13.25
13.79
13.48
13.15
13.01
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Max
13.46
13.45
14.07
13.29
13.64
13.41
13.49
14.01
14.86
14.24
14.80
13.63
14.86
Min
12.98
12.71
12.73
12.46
12.47
12.73
12.83
12.93
13.10
13.10
12.77
12.64
12.46
15.80
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 11.69
m. (MSL.)
18.34
m. (MSL.) ,
18.58
m. (MSL.) ,
Drainage Area 302 Square Kilometers
at 18.00 Hours , on Feb 25 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation