Basic HTML Version
694
Location : on right bank at Ban Ta Lam.
223
sq.km.
WATER YEAR : 2012
SOUTHERN PENINSULA WEST COAST
Lower Khlong Tha Prae at Ban Ta Lam , Satun (X.264)
Lat 06 - 47 - 46 N Long 99 - 57 - 17 E
Drainge Area
Amphoe
Tha Pae
Changwat
Satun
Ban
Ta Lam
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
On right 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 mean of 5 readings
2007 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+6.425 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2007 to date
-
2007 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 32 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
1.00
1.17
1.11
1.16
1.20
1.12
1.90
1.10
3.89
1.60
0.98
1.04
2
0.98
1.14
1.09
1.08
1.18
1.08
1.80
1.09
3.79
1.54
0.98
1.04
3
1.00
1.12
1.03
1.00
1.14
1.14
1.66
1.09
3.02
1.50
0.98
1.03
4
1.50
1.10
1.00
1.00
1.10
1.10
1.51
1.06
2.42
1.39
0.97
0.99
5
1.30
1.07
1.00
1.95
1.08
1.24
1.48
1.06
1.98
1.23
0.96
0.98
6
1.20
1.06
0.90
1.93
1.04
1.41
1.46
1.04
1.71
1.18
0.94
0.96
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
1.10
1.04
0.86
1.54
1.04
2.81
1.40
1.08
1.42
1.14
0.95
0.96
8
1.06
1.04
2.50
4.39
1.00
5.23
1.38
1.08
1.21
1.10
0.94
0.94
9
1.00
1.03
1.61
3.19
1.00
4.08
1.36
1.06
1.16
1.09
0.93
0.94
10
1.10
1.02
1.42
2.49
0.98
2.66
1.36
1.02
1.18
1.08
0.92
0.98
11
1.08
1.01
1.37
4.46
0.98
1.80
1.59
1.02
1.16
1.10
0.94
0.99
12
1.18
1.00
1.29
4.00
0.98
1.70
1.55
1.04
1.15
1.08
0.97
1.02
13
1.19
1.06
1.24
3.50
0.97
1.68
1.59
1.03
1.16
1.08
0.97
1.00
14
1.15
1.00
1.18
2.95
0.97
1.98
1.54
1.02
1.80
1.08
0.99
0.99
15
1.14
1.02
1.12
2.58
0.96
1.96
1.41
1.02
2.19
1.10
0.98
0.99
16
1.10
1.02
1.10
2.10
1.00
3.16
1.37
1.10
2.06
1.08
1.00
0.98
17
1.09
1.09
1.03
1.65
1.00
2.73
1.55
1.10
1.81
1.06
1.01
0.96
18
1.31
1.27
1.00
1.68
1.16
2.58
1.75
1.15
1.54
1.04
0.98
0.95
19
1.28
1.22
0.98
1.65
1.12
2.52
1.92
1.61
1.34
1.04
0.93
0.94
20
1.26
1.14
0.98
2.00
1.10
2.50
1.73
3.24
1.24
1.04
0.96
0.94
21
1.25
1.04
0.97
1.96
1.00
2.66
1.58
1.96
1.23
1.02
0.99
0.93
22
1.24
1.04
0.96
1.87
1.14
2.44
1.49
1.57
1.24
1.02
1.00
0.92
23
1.18
1.03
0.95
1.85
1.14
2.20
1.42
1.47
1.23
1.00
0.96
0.92
24
1.29
1.02
0.95
1.88
1.45
2.16
1.38
1.42
1.20
0.98
0.98
0.91
25
1.22
1.68
0.94
2.15
2.93
3.12
1.34
1.70
1.19
1.00
1.00
0.91
26
1.95
2.20
0.94
1.93
2.20
3.98
1.30
1.93
1.18
0.98
1.03
0.92
27
1.82
1.34
0.93
1.25
2.55
4.29
1.24
1.62
1.17
0.96
1.09
0.90
28
1.64
1.29
0.93
1.11
3.64
3.12
1.20
1.41
1.16
0.98
1.04
0.90
29
1.32
1.25
1.03
1.15
3.99
2.58
1.14
2.44
1.29
0.97
0.88
30
1.17
1.19
1.07
1.17
2.58
2.18
1.12
3.84
1.46
0.96
0.85
31
1.13
1.21
1.49
1.10
1.65
0.96
0.83
----------
--------------
Mean
1.24
1.16
1.12
2.06
1.46
2.44
1.47
1.45
1.65
1.11
0.98
0.95
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
1.95
2.20
2.50
4.46
3.99
5.23
1.92
3.84
3.89
1.60
1.09
1.04
5.23
Min
0.98
1.00
0.86
1.00
0.96
1.08
1.10
1.02
1.15
0.96
0.92
0.83
0.83
5.62
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed -1.44
m. (MSL.)
6.47
m. (MSL.) ,
6.42
m. (MSL.) ,
Drainage Area 223 Square Kilometers
at 11.00 Hours , on Sep 8 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation