660
Location : on right bank at Ban Takian Pao.
493
sq.km.
WATER YEAR : 2011
THALE SAP SONGKHLA
Khlong Sadao at Ban Takian Pao , Songkhla (X.112)
Lat 06 - 42 - 11 N Long 100 - 26 - 10 E
Amphoe
Sadao
Changwat
Songkhla
Ban
Takian Pao
Drainge Area
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
Near the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
1979 - 1996 , 2006 to date
+24.840 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
1979 - 1996 , 2006 to date
-
1979 - 1996 , 2006 to date
Fairly stable.
Overbank flow starts at elevation +26.130 m.(MSL.), records are channel flow only.
Records fair. 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
24.72
22.04
21.14
21.50
21.38
21.43
23.08
21.14
21.63
26.16
22.05
21.10
2
24.44
23.76
21.30
21.80
21.35
21.10
23.01
20.99
21.47
25.60
21.64
20.89
3
24.09
23.78
21.45
21.83
21.35
21.00
23.18
20.95
21.39
24.91
21.90
20.91
4
23.70
23.60
21.36
22.54
21.33
20.94
23.00
20.91
22.63
24.50
22.53
20.92
5
23.00
23.61
21.25
22.03
21.33
20.93
23.00
21.27
23.88
24.08
21.72
21.03
6
22.74
23.55
21.19
21.64
21.32
20.87
22.99
21.16
24.24
23.25
21.39
23.45
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
22.56
23.39
21.11
21.55
21.30
20.83
22.89
21.42
23.70
22.30
21.26
23.46
8
22.56
22.52
21.70
21.51
21.28
21.18
22.64
22.46
22.40
21.78
21.18
23.31
9
22.32
21.87
21.45
21.56
21.27
21.57
22.87
22.46
21.64
21.65
21.12
23.55
10
21.81
21.70
21.38
21.47
21.26
21.11
22.68
21.48
21.48
21.64
21.09
24.24
11
21.69
21.63
21.45
21.44
21.25
22.54
22.36
21.34
21.34
22.07
21.06
23.44
12
21.62
21.70
21.24
21.42
21.27
25.09
22.15
21.39
21.28
22.86
21.04
22.21
13
21.54
21.81
21.60
21.43
21.26
24.93
21.96
21.22
21.24
24.50
21.02
21.63
14
21.48
21.61
21.44
21.42
21.25
24.43
21.78
20.99
21.19
24.42
21.00
21.53
15
21.40
21.46
21.18
21.41
21.47
23.91
21.66
20.91
21.12
24.26
20.95
21.25
16
21.37
21.66
21.14
21.38
21.38
23.26
21.60
20.90
21.64
23.78
20.92
21.14
17
21.74
22.34
21.13
21.37
21.30
22.82
21.57
20.94
21.89
23.20
20.90
21.05
18
21.50
21.93
21.13
21.36
21.56
22.58
21.56
20.89
21.67
22.66
20.95
21.00
19
22.11
22.16
21.14
21.34
21.55
22.50
21.77
20.80
21.42
22.78
21.08
21.02
20
22.73
22.72
21.15
21.35
21.29
22.57
21.68
21.86
21.37
24.39
20.96
20.96
21
21.66
22.00
21.08
21.35
20.81
22.76
21.71
23.08
21.26
23.94
20.91
21.08
22
21.52
21.52
21.04
21.33
20.80
22.68
22.46
23.46
21.34
24.13
20.85
21.31
23
21.72
21.40
21.04
21.36
20.77
22.47
22.08
23.40
21.32
24.69
20.82
21.16
24
21.36
22.04
21.20
21.35
21.02
21.93
21.63
24.38
21.13
24.03
20.81
21.04
25
21.69
21.87
21.19
21.36
21.27
21.35
21.74
24.82
21.10
23.20
21.88
21.36
26
21.36
21.56
21.48
21.42
21.42
22.33
21.60
24.40
21.00
22.20
21.32
21.12
27
21.42
21.44
21.45
21.39
21.48
24.04
21.79
23.87
20.95
21.80
20.94
21.04
28
21.60
21.33
21.46
21.39
21.15
24.24
21.68
23.26
20.85
21.64
20.96
21.68
29
21.29
21.26
21.46
21.60
21.75
24.08
21.05
22.42
20.84
21.52
21.44
21.32
30
21.19
21.21
21.45
21.47
22.58
23.86
21.00
21.86
20.87
21.47
21.15
31
21.18
21.42
22.73
21.12
20.92
21.47
21.25
----------
--------------
Mean
22.13
22.12
21.29
21.51
21.37
22.51
22.11
22.01
21.62
23.25
21.23
21.66
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
24.72
23.78
21.70
22.54
22.73
25.09
23.18
24.82
24.24
26.16
22.53
24.24
26.16
Min
21.19
21.18
21.04
21.33
20.77
20.83
21.00
20.80
20.84
21.47
20.81
20.89
20.77
26.20
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 19.69
m. (MSL)
26.18
m. (MSL.) ,
26.12
m. (MSL.) ,
Drainage Area 493 Square Kilometers
at 12.00 Hours , on Jan 1 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation