672
Location : on left bank at the bridge.
148
sq.km.
WATER YEAR : 2014
THALE SAP SONGKHLA
Khlong Tam at Ban Khuan Lang , Songkhla (X.71B)
Lat 06 - 59 - 15 N Long 100 - 25 - 27 E
Drainge Area
Amphoe
Hat Yai
Changwat
Songkhla
Ban
Khuan Lang
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
On left bank 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
2004 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+11.204 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2004 to date
-
2004 to date
Fairly stable because of backwater effect.
No overbank flow.
Records fair. Stage-discharge relation defined by 25 discharge measurements made in 2014.
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
5.55
4.95
6.51
5.49
5.56
5.67
5.88
5.30
5.13
6.16
5.82
4.90
2
5.59
4.95
6.34
5.49
5.55
5.65
5.70
5.19
5.12
5.79
5.80
4.90
3
5.59
4.95
6.36
5.48
5.54
5.64
5.60
5.16
5.01
5.65
5.80
4.90
4
5.57
4.96
6.17
5.47
5.55
5.63
5.61
5.12
5.47
5.48
5.80
4.90
5
5.63
4.96
6.08
5.47
5.55
5.62
5.59
5.11
5.33
5.42
5.78
4.95
6
5.67
4.97
6.25
5.47
4.88
5.59
6.03
5.35
5.24
5.35
5.77
4.95
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
5.60
4.95
6.59
5.53
4.90
5.61
5.92
5.52
5.09
5.30
5.76
4.95
8
5.57
4.97
6.70
5.58
4.90
5.58
5.48
5.62
5.20
5.57
5.68
4.95
9
5.57
5.33
6.81
5.61
5.00
5.57
5.34
5.80
5.35
5.52
5.29
4.95
10
5.39
5.45
7.06
5.62
5.61
5.57
5.39
5.76
5.26
5.40
5.17
4.95
11
5.10
5.56
4.97
5.62
5.64
5.57
5.31
5.52
5.16
5.30
4.95
4.95
12
5.00
5.63
4.96
5.58
5.64
5.57
5.64
5.36
5.11
5.25
4.95
4.95
13
5.04
5.68
4.97
5.57
5.62
5.60
5.75
5.47
6.18
5.22
4.95
4.95
14
5.11
5.79
4.95
5.57
5.61
5.62
5.59
5.68
7.51
5.20
4.95
4.95
15
5.10
6.03
5.05
5.62
5.71
5.65
5.41
5.70
8.13
5.20
4.95
4.90
16
5.39
6.11
5.29
5.67
5.65
5.77
5.74
5.58
7.63
5.16
4.95
4.90
17
5.58
6.17
5.56
5.66
5.61
5.90
5.75
5.48
7.13
5.15
4.94
4.90
18
5.60
6.20
5.77
5.64
5.62
5.83
5.46
5.63
8.01
5.14
4.90
4.90
19
5.47
6.31
5.90
5.61
5.59
5.72
5.31
5.80
8.86
5.12
4.90
4.90
20
5.23
6.37
6.02
5.57
5.59
5.64
5.27
5.71
7.57
5.86
4.90
4.90
21
5.06
6.41
6.10
5.56
5.62
5.63
5.23
5.60
7.49
5.91
4.90
4.90
22
5.00
6.46
5.96
5.55
5.61
5.63
5.22
5.49
8.47
5.90
4.90
4.90
23
5.00
6.43
5.57
5.54
5.62
5.63
5.20
5.64
9.35
5.90
4.90
4.90
24
5.00
6.43
5.54
5.54
5.63
5.62
5.29
5.60
8.81
5.90
4.90
4.90
25
5.00
6.45
5.53
5.54
5.66
5.60
5.32
5.42
8.20
5.87
4.90
4.90
26
4.99
6.46
5.54
5.55
5.64
5.63
5.27
5.33
7.50
5.85
4.90
4.90
27
4.99
6.48
5.53
5.55
5.64
5.64
5.46
5.27
7.18
5.83
4.90
4.90
28
4.98
6.49
5.53
5.55
5.71
5.65
5.86
5.36
6.63
5.83
4.90
4.90
29
4.96
6.59
5.52
5.55
5.63
5.81
5.63
5.23
6.51
5.83
4.90
30
4.95
6.64
5.52
5.55
5.65
5.89
5.38
5.14
6.60
5.83
4.90
31
6.76
5.55
5.66
5.31
6.77
5.83
4.90
----------
--------------
Mean
5.28
5.87
5.82
5.56
5.53
5.66
5.51
5.46
6.68
5.57
5.19
4.92
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
5.67
6.76
7.06
5.67
5.71
5.90
6.03
5.80
9.35
6.16
5.82
4.95
9.35
Min
4.95
4.95
4.95
5.47
4.88
5.57
5.20
5.11
5.01
5.12
4.90
4.90
4.88
9.45
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 4.32
m. (MSL.)
11.06
m. (MSL.) ,
11.34
m. (MSL.) ,
Drainage Area 148 Square Kilometers
at 11.00 Hours , on Dec 23 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation