Basic HTML Version
698
Location : on left bank at the bridge.
139
sq.km.
WATER YEAR : 2011
SOUTHERN PENINSULA WEST COAST
Khlong Kapong at Ban Tha Na , Phang Nga (X.196)
Lat 08 - 42 - 02 N Long 98 - 24 - 42 E
Amphoe
Kapong
Changwat
Phang Nga
Ban
Tha Na
Drainge Area
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
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
1999 to date
+20.010 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
2003 to date
-
2003 to date
Fairly stable.
No overbank flow.
Records fair. 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
16.67
15.97
16.57
16.09
16.37
16.60
17.40
16.00
15.78
15.67
15.68
15.62
2
16.51
15.94
17.32
16.08
16.32
16.55
17.20
16.00
15.88
15.74
15.67
15.62
3
16.24
15.92
16.78
16.07
16.23
16.44
17.52
16.00
15.80
15.70
15.66
15.69
4
16.05
15.90
16.54
16.06
16.17
16.37
17.34
16.00
15.89
15.66
15.65
15.69
5
16.10
15.92
16.52
16.04
16.10
16.30
17.31
16.00
15.88
15.64
15.66
15.96
6
16.11
16.02
16.45
16.02
16.02
16.25
16.93
16.00
15.87
15.66
15.66
15.90
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
16.12
16.71
16.33
15.99
16.02
16.19
16.69
16.00
15.86
15.66
15.66
15.96
8
16.08
16.68
16.27
15.95
16.03
16.15
16.66
16.00
15.84
15.66
15.66
16.15
9
16.06
16.65
16.22
15.93
16.03
16.12
16.56
16.00
15.82
15.66
15.66
16.09
10
16.04
17.08
16.42
15.90
16.03
16.86
16.45
15.98
15.80
15.66
15.65
16.16
11
16.02
17.04
16.57
16.00
16.02
17.80
16.60
15.88
15.80
15.66
15.65
16.06
12
16.00
16.84
16.54
16.38
16.02
17.39
17.27
16.13
15.79
15.66
15.64
15.87
13
16.01
16.44
16.39
16.20
16.01
16.78
16.72
15.93
15.78
15.66
15.64
15.87
14
16.05
16.32
16.34
16.39
16.00
16.56
16.55
15.95
15.76
15.66
15.64
15.82
15
16.01
16.21
16.34
16.61
15.99
16.43
16.47
15.92
15.76
15.66
15.64
16.09
16
16.00
16.26
16.44
16.88
15.98
16.38
16.37
15.87
15.76
15.70
15.64
15.83
17
16.00
16.37
16.42
16.50
15.97
16.34
16.30
15.86
15.76
15.70
15.64
15.85
18
16.06
16.38
16.40
16.34
15.96
16.37
16.27
15.85
15.76
15.75
15.75
16.28
19
15.95
16.30
16.38
16.26
15.96
17.07
16.20
15.85
15.76
15.75
15.80
15.96
20
15.94
16.24
16.36
16.19
15.95
16.72
16.18
15.84
15.76
15.84
15.76
15.92
21
15.90
16.18
16.36
16.15
15.94
16.44
16.15
15.81
15.76
15.86
15.69
15.80
22
15.90
16.16
16.36
16.15
16.08
16.36
16.10
15.80
15.76
15.86
15.67
15.80
23
15.90
16.14
16.53
16.22
16.40
16.31
16.10
15.82
15.76
15.79
15.62
15.80
24
15.90
16.11
16.35
16.30
16.14
16.30
16.09
15.80
15.76
15.80
15.62
15.78
25
15.90
16.07
16.24
16.27
18.43
17.16
16.08
15.80
15.75
15.78
15.62
15.77
26
15.89
16.06
16.20
16.25
16.88
17.66
16.06
15.80
15.74
15.76
15.62
15.76
27
15.91
16.06
16.16
16.21
17.99
17.10
16.04
15.79
15.72
15.76
15.62
15.80
28
15.94
16.06
16.10
16.22
18.40
16.95
16.02
15.79
15.70
15.73
15.62
15.84
29
15.94
16.06
16.15
16.45
17.78
17.01
16.00
15.79
15.68
15.69
15.62
15.83
30
16.02
16.13
16.10
16.47
17.08
16.89
16.00
15.79
15.68
15.69
15.82
31
16.86
16.40
16.75
16.02
15.68
15.78
15.80
----------
--------------
Mean
16.04
16.29
16.41
16.22
16.42
16.66
16.50
15.90
15.78
15.72
15.66
15.88
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Max
16.67
17.08
17.32
16.88
18.43
17.80
17.52
16.13
15.89
15.86
15.80
16.28
18.43
Min
15.89
15.90
16.10
15.90
15.94
16.12
16.00
15.79
15.68
15.64
15.62
15.62
15.62
18.90
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 14.69
m. (MSL)
19.93
m. (MSL.) ,
19.91
m. (MSL.) ,
Drainage Area 139 Square Kilometers
at 18.00 Hours , on Aug 27 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation