Basic HTML Version
656
Location : on left bank downstream side of the bridge of Phatthalung - Hat Yai Highway.
302
sq.km.
Amphoe
Mueang
Changwat
Phatthalung
Ban
Tha Khae
WATER YEAR : 2011
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
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 means of 5 readings
1967 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+15.966 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1967 - 1972 , 1983 to date
-
1967 - 1972 , 1983 to date
Stable.
No overbank flow.
Records good. Flow regulated by Tha Khae Weir.
Stage-discharge relation defined by 32 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
14.13
13.19
13.00
12.90
12.95
12.93
13.27
13.90
13.77
14.64
14.49
13.34
2
14.15
13.19
13.04
12.92
12.92
12.88
13.28
13.73
13.68
15.56
13.84
13.30
3
14.12
13.17
13.08
12.95
12.91
12.85
13.20
13.48
13.60
15.37
13.85
13.33
4
13.89
13.19
13.03
13.00
12.88
12.83
13.25
13.38
13.63
14.25
13.73
13.35
5
13.82
13.20
13.01
12.95
12.85
12.83
13.34
13.45
13.53
13.92
13.68
13.50
6
13.84
13.22
13.00
12.90
12.83
12.81
13.33
13.40
13.47
13.80
13.66
13.66
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
13.80
13.35
12.98
12.90
12.84
12.80
13.19
13.26
13.42
13.72
13.65
13.44
8
13.71
13.14
12.98
12.87
12.84
12.80
13.11
13.16
13.35
13.68
13.63
13.36
9
13.67
13.09
12.99
12.85
12.79
12.78
13.17
13.14
13.65
13.64
13.61
13.37
10
13.63
13.07
12.97
12.82
12.76
12.86
13.05
13.09
13.62
13.68
13.59
13.39
11
13.60
13.10
12.98
12.80
12.77
13.85
13.09
13.13
13.81
13.76
13.57
13.29
12
13.57
13.10
13.00
12.91
12.83
14.26
13.01
13.16
13.94
13.86
13.54
13.21
13
13.55
13.09
13.02
13.02
12.83
13.75
13.00
13.16
13.79
13.96
13.56
13.20
14
13.53
13.07
13.14
13.03
12.79
13.48
12.94
13.77
13.60
13.97
13.50
13.17
15
13.49
13.05
13.05
13.25
12.81
13.29
12.94
13.84
13.59
15.23
13.44
13.14
16
13.44
13.09
13.13
13.39
12.79
13.15
12.99
14.00
14.57
14.08
13.41
13.13
17
13.41
13.10
13.02
13.07
12.81
13.07
12.94
13.63
14.88
13.94
13.37
13.12
18
13.45
13.10
12.99
12.94
12.82
13.03
12.94
13.53
14.32
13.97
13.33
13.14
19
13.50
13.09
12.97
12.88
12.79
13.02
12.90
13.36
14.11
13.93
13.43
13.13
20
13.51
13.11
12.97
12.80
12.81
13.11
13.00
13.57
13.99
14.11
13.37
13.08
21
13.42
13.17
12.96
12.75
12.96
13.19
12.97
13.74
13.87
13.82
13.34
13.12
22
13.36
13.16
12.95
12.80
13.08
13.03
12.97
14.82
13.89
13.78
13.28
13.08
23
13.32
13.04
12.93
12.85
13.04
12.99
12.96
15.11
13.79
13.68
13.26
13.02
24
13.30
13.00
12.90
12.92
12.95
12.96
12.94
15.22
13.82
13.62
13.23
13.02
25
13.26
13.00
12.88
12.96
12.90
12.95
13.04
15.27
14.03
13.57
13.20
13.01
26
13.22
13.00
12.89
12.98
13.15
13.00
13.09
14.62
14.24
13.57
13.19
13.00
27
13.20
13.01
12.90
13.00
13.20
13.19
13.25
14.32
14.03
13.59
13.14
13.24
28
13.19
13.00
12.87
12.98
13.61
13.16
13.16
14.10
13.86
13.56
13.36
13.44
29
13.18
13.01
12.86
13.01
13.58
13.28
13.43
13.96
13.77
13.51
13.59
13.14
30
13.17
13.00
12.99
13.11
13.35
13.39
13.83
13.86
13.86
13.57
13.07
31
13.00
13.04
13.03
13.82
13.82
13.89
13.08
----------
--------------
Mean
13.55
13.10
12.98
12.95
12.95
13.12
13.14
13.81
13.85
13.98
13.51
13.22
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
14.15
13.35
13.14
13.39
13.61
14.26
13.83
15.27
14.88
15.56
14.49
13.66
15.56
Min
13.17
13.00
12.86
12.75
12.76
12.78
12.90
13.09
13.35
13.51
13.14
13.00
12.75
16.19
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 11.43
m. (MSL)
18.34
m. (MSL.) ,
18.58
m. (MSL.) ,
Drainage Area 302 Square Kilometers
at 03.00 Hours , on Jan 3 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation