Basic HTML Version
648
Location : on left bank at the bridge near Wat Bang Sala, Tambon Thung Lan.
1,547
sq.km.
WATER YEAR : 2012
THALE SAP SONGKHLA
Khlong U - Taphao at Ban Bang Sala , Songkhla (X.90)
Lat 06 - 55 - 39 N Long 100 - 26 - 37 E
Amphoe
Khlong Hoi Khong
Changwat
Songkhla
Ban
Bang Sala
Drainge Area
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
On left bank about 20 meters from the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic mean of 5 readings
1971 to date
+11.254 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
1971 - 1972 , 1979 to date
-
1971 - 1972 , 1979 to date
Fairly stable because of backwater effect.
No overbank flow.
Records fair. Stage-discharge relation defined by 25 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
3.02
3.02
2.93
3.00
3.12
3.06
3.05
2.59
3.82
2.62
3.25
3.28
2
2.92
2.93
2.87
3.10
3.20
3.03
2.87
2.51
4.27
2.66
3.26
3.22
3
3.12
3.11
2.81
3.11
3.18
2.99
3.08
2.51
4.84
2.69
3.22
3.18
4
2.91
2.92
2.91
3.02
3.17
2.96
3.17
2.45
4.82
3.05
3.21
3.14
5
2.87
2.90
3.06
2.99
3.14
2.92
3.11
2.51
3.88
3.01
3.20
2.87
6
3.33
2.99
3.01
3.12
3.11
2.90
3.04
2.46
3.24
2.75
3.26
2.64
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
3.57
2.84
2.95
3.16
3.13
2.88
3.13
2.50
2.88
2.60
3.26
2.74
8
3.20
2.98
2.98
3.09
3.11
2.91
3.12
2.50
2.69
2.62
3.14
2.69
9
3.15
2.84
2.97
3.02
3.05
3.05
2.94
2.48
2.60
2.60
3.13
2.70
10
2.95
2.96
2.91
3.12
3.00
3.49
3.05
2.48
2.62
2.58
3.14
2.70
11
3.25
2.99
2.96
3.17
2.99
3.46
3.05
2.56
3.17
2.57
3.17
2.65
12
3.02
2.89
2.92
3.02
2.98
3.27
3.11
2.55
3.07
2.60
3.22
2.66
13
3.40
2.94
3.02
3.09
2.99
3.20
2.75
2.59
2.90
2.56
3.16
2.67
14
3.76
2.86
2.95
3.12
2.84
3.10
2.71
2.80
2.76
2.58
3.16
2.66
15
3.27
2.95
2.90
3.01
2.89
2.93
2.71
2.73
2.69
2.55
3.15
2.61
16
3.35
3.08
2.94
3.00
3.06
3.48
2.70
2.57
3.34
2.56
3.15
2.67
17
3.40
2.92
2.94
3.01
3.17
3.12
2.68
2.56
3.67
2.59
3.13
2.73
18
3.56
2.87
2.97
3.05
2.92
3.25
2.59
2.56
3.35
2.56
3.12
2.79
19
3.86
2.86
2.98
3.06
2.82
3.17
2.79
2.65
3.02
2.49
3.12
2.80
20
3.77
2.86
2.98
3.08
2.79
3.16
2.70
2.77
2.99
2.51
3.17
2.82
21
3.55
2.88
2.98
3.11
2.78
3.21
2.62
2.61
2.88
2.54
3.19
2.85
22
3.28
2.87
2.98
3.17
2.80
3.22
2.56
2.58
3.11
2.51
3.18
2.86
23
3.14
2.85
3.00
3.05
2.82
3.14
2.58
2.57
3.33
2.46
3.12
2.89
24
3.01
2.83
3.08
2.99
2.88
3.08
2.53
2.54
3.40
2.49
3.11
2.91
25
3.02
2.86
3.03
3.04
2.91
3.09
2.55
2.66
3.25
2.93
3.13
2.99
26
2.93
2.90
2.98
3.07
2.90
3.10
2.53
2.90
3.05
3.11
3.00
3.06
27
3.00
3.01
3.06
3.22
2.94
3.28
2.55
3.16
2.90
3.02
3.54
3.11
28
3.00
3.07
3.03
3.25
3.06
3.44
2.51
3.58
2.75
3.02
3.52
3.11
29
2.93
2.89
3.00
3.09
3.06
3.42
2.49
3.70
2.68
3.06
3.12
30
3.10
2.90
3.01
3.07
3.24
3.17
2.53
3.42
2.61
3.15
3.11
31
2.93
3.06
3.21
2.48
2.61
3.20
3.12
----------
--------------
Mean
3.22
2.93
2.97
3.08
3.01
3.15
2.78
2.70
3.20
2.72
3.19
2.88
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Max
3.86
3.11
3.08
3.25
3.24
3.49
3.17
3.70
4.84
3.20
3.54
3.28
4.84
Min
2.87
2.83
2.81
2.99
2.78
2.88
2.48
2.45
2.60
2.46
3.00
2.61
2.45
4.98
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed -1.60
m. (MSL.)
11.24
m. (MSL.) ,
11.25
m. (MSL.) ,
Drainage Area 1547 Square Kilometers
at 18.00 Hours , on Dec 3 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation