Basic HTML Version
664
Location : on left bank at the bridge.
258
sq.km.
Amphoe
Srinagarindra
Changwat
Phatthalung
Ban
Khlong Lam
WATER YEAR : 2011
THALE SAP SONGKHLA
Khlong Lam at Ban Khlong Lam , Phatthalung (X.170)
Lat 07 - 33 - 22 N Long 99 - 59 - 31 E
Drainge Area
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank about 21 meters from the top staff gage.
Elevation
Recording
Arithmetic means of 24 readings
1987 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+27.274 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1989 to date
-
1989 to date
Stable.
No overbank flow.
Records good. 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
21.66
20.47
20.37
20.36
20.34
20.39
20.51
21.31
20.96
22.43
21.59
20.42
2
21.55
20.46
20.41
20.34
20.33
20.37
20.51
20.85
20.73
23.14
20.97
20.40
3
21.50
20.45
20.43
20.35
20.35
20.35
20.53
20.68
20.80
22.74
20.82
20.40
4
21.25
20.51
20.40
20.38
20.33
20.39
20.50
20.62
20.81
21.72
20.81
20.40
5
21.11
20.46
20.38
20.35
20.33
20.36
20.52
20.68
20.74
21.27
20.82
20.70
6
21.01
20.46
20.37
20.34
20.33
20.33
20.51
20.62
20.69
21.07
20.71
20.69
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
20.99
20.47
20.36
20.34
20.32
20.33
20.47
20.54
20.66
20.95
20.64
20.46
8
20.92
20.44
20.37
20.33
20.32
20.33
20.44
20.50
20.63
20.89
20.60
20.46
9
20.83
20.43
20.36
20.33
20.31
20.33
20.47
20.48
20.75
20.82
20.57
20.45
10
20.77
20.43
20.36
20.33
20.30
20.33
20.42
20.47
20.63
21.06
20.54
20.47
11
20.74
20.43
20.43
20.32
20.30
21.42
20.44
20.51
20.93
20.94
20.53
20.44
12
20.70
20.43
20.37
20.36
20.35
21.68
20.41
20.51
21.02
21.20
20.52
20.42
13
20.67
20.43
20.42
20.38
20.33
20.76
20.40
20.48
20.94
21.21
20.51
20.40
14
20.63
20.42
20.42
20.35
20.31
20.57
20.39
21.18
20.75
21.66
20.50
20.39
15
20.62
20.41
20.38
20.37
20.31
20.50
20.37
21.12
20.74
23.16
20.48
20.37
16
20.61
20.45
20.42
20.42
20.30
20.46
20.37
21.06
22.15
21.45
20.47
20.36
17
20.58
20.45
20.38
20.36
20.32
20.43
20.37
20.76
22.49
21.29
20.45
20.36
18
20.57
20.42
20.37
20.35
20.32
20.43
20.36
20.67
21.85
21.08
20.45
20.36
19
20.63
20.42
20.37
20.33
20.31
20.43
20.36
20.61
21.44
21.14
20.54
20.36
20
20.62
20.43
20.37
20.33
20.35
20.50
20.38
20.72
21.32
21.44
20.45
20.36
21
20.56
20.49
20.37
20.33
20.46
20.44
20.37
21.48
21.05
21.06
20.44
20.36
22
20.53
20.43
20.36
20.33
20.40
20.47
20.38
22.37
21.13
21.00
20.44
20.35
23
20.51
20.40
20.36
20.33
20.40
20.42
20.36
22.77
20.95
20.85
20.43
20.35
24
20.51
20.40
20.35
20.41
20.35
20.40
20.39
23.14
21.01
20.77
20.43
20.35
25
20.49
20.39
20.35
20.36
20.33
20.38
20.39
23.26
21.31
20.71
20.42
20.34
26
20.49
20.39
20.35
20.37
20.46
20.47
20.60
22.20
21.50
20.67
20.41
20.34
27
20.49
20.40
20.28
20.36
20.48
20.53
20.53
21.80
21.26
20.64
20.40
20.50
28
20.48
20.38
20.34
20.35
20.55
20.45
20.68
21.42
21.04
20.60
20.51
20.43
29
20.48
20.38
20.35
20.39
20.62
20.54
20.68
21.21
20.91
20.59
20.65
20.36
30
20.49
20.37
20.36
20.36
20.51
20.55
21.22
21.07
21.04
20.70
20.35
31
20.37
20.34
20.42
21.24
21.12
21.33
20.35
----------
--------------
Mean
20.77
20.43
20.37
20.35
20.37
20.51
20.50
21.17
21.08
21.28
20.59
20.41
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
21.66
20.51
20.43
20.42
20.62
21.68
21.24
23.26
22.49
23.16
21.59
20.70
23.26
Min
20.48
20.37
20.28
20.32
20.30
20.33
20.36
20.47
20.63
20.59
20.40
20.34
20.28
24.56
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 18.58
m. (MSL)
28.85
m. (MSL.) ,
29.06
m. (MSL.) ,
Drainage Area 258 Square Kilometers
at 04.00 Hours , on Jan 15 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation