Basic HTML Version
662
Location : on right bank at Ban Thung Prap.
118
sq.km.
WATER YEAR : 2011
THALE SAP SONGKHLA
Khlong La Pang at Ban Thung Prap , Songkhla (X.113)
Lat 06 - 37 - 59 N Long 100 - 23 - 46 E
Drainge Area
Amphoe
Sadao
Changwat
Songkhla
Ban
Thung Prap
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
About 15 meters from the gage observer's house.
Elevation
13-time daily readings at 06.00 - 18.00 hours.
Arithmetic means of 13 readings
1979 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+37.552 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1979 to date
-
1979 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 35 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
33.66
34.20
32.07
32.35
31.92
32.02
33.37
32.06
32.14
36.83
32.39
32.16
2
34.29
33.39
32.14
32.05
31.91
31.98
33.78
32.03
32.12
34.59
32.25
32.10
3
33.31
32.81
32.20
32.82
31.91
31.97
32.93
32.03
32.15
34.43
33.21
32.18
4
32.73
33.60
32.10
32.17
31.91
31.96
33.63
32.01
32.62
33.36
32.28
32.09
5
32.55
32.74
32.14
32.02
31.90
31.95
33.15
32.04
34.53
32.48
32.20
32.23
6
32.68
32.33
32.04
31.98
31.89
31.93
33.35
32.07
33.55
32.34
32.17
34.14
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
32.89
32.21
32.02
31.97
31.89
31.96
32.44
32.46
32.24
32.28
32.15
32.52
8
32.67
32.16
32.03
31.97
31.89
32.82
32.88
33.00
32.17
32.24
32.13
34.83
9
32.40
32.13
32.03
31.97
31.88
31.99
32.43
32.08
32.19
32.23
32.13
33.64
10
32.33
32.12
32.05
31.96
31.88
32.14
32.29
32.07
32.13
32.29
32.12
32.59
11
32.30
32.24
32.03
31.95
31.88
35.50
32.22
32.06
32.12
32.45
32.10
32.48
12
32.25
32.22
32.03
31.93
31.88
35.15
32.21
32.49
32.09
33.29
32.09
32.24
13
32.22
32.22
32.34
31.93
31.88
33.67
32.18
32.04
32.07
34.40
32.09
32.45
14
32.20
32.11
32.03
31.94
31.87
32.42
32.15
32.01
32.06
33.41
32.07
32.19
15
32.15
32.08
32.02
31.94
31.93
32.24
32.12
32.02
32.10
32.71
32.07
32.15
16
33.12
33.34
32.04
31.93
31.88
32.15
32.11
32.01
32.31
32.39
32.07
32.12
17
30.03
32.38
32.05
31.93
31.88
32.21
32.10
32.01
32.25
32.32
32.06
32.10
18
32.61
32.23
32.04
31.93
32.14
32.17
32.10
32.00
32.10
33.54
32.43
32.09
19
32.66
33.89
32.04
31.93
31.92
32.40
32.13
32.43
32.11
32.82
32.09
32.09
20
32.33
32.24
32.02
31.92
31.90
32.72
32.09
34.36
32.06
34.69
32.07
32.18
21
32.17
32.15
32.00
31.91
31.90
32.42
34.13
33.58
32.06
32.88
32.06
32.10
22
33.09
32.11
31.99
31.91
31.89
32.28
32.26
33.22
32.12
35.17
32.05
32.22
23
32.17
32.16
32.14
31.91
32.12
32.13
32.13
32.97
32.05
33.27
32.04
32.08
24
32.75
32.42
32.02
31.91
32.08
32.07
32.10
34.86
32.03
32.57
32.65
32.09
25
32.18
32.12
32.01
31.91
32.16
32.04
32.11
33.43
32.02
32.44
32.13
32.06
26
32.11
32.08
32.00
31.96
32.54
35.15
32.09
32.62
32.01
32.36
32.07
32.05
27
32.65
32.08
32.01
31.93
32.04
34.00
32.13
32.70
32.00
32.31
32.05
32.06
28
32.15
32.07
31.99
31.97
32.14
34.35
32.06
32.34
31.99
32.27
33.39
32.10
29
32.10
32.05
31.99
32.00
33.56
33.70
32.04
32.24
31.98
32.25
32.48
32.07
30
32.17
32.04
31.98
31.93
33.44
32.51
32.05
32.19
32.01
32.24
32.04
31
32.03
31.93
32.07
32.18
32.46
33.44
32.02
----------
--------------
Mean
32.50
32.45
32.05
32.00
32.07
32.73
32.48
32.51
32.25
33.11
32.24
32.37
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
34.29
34.20
32.34
32.82
33.56
35.50
34.13
34.86
34.53
36.83
33.39
34.83
36.83
Min
30.03
32.03
31.98
31.91
31.87
31.93
32.04
32.00
31.98
32.23
32.04
32.02
30.03
37.26
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 31.35
m. (MSL)
37.89
m. (MSL.) ,
37.89
m. (MSL.) ,
Drainage Area 118 Square Kilometers
at 11.00 Hours , on Jan 1 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation