714
Location : on right bank at Ban Bang Tong.
242
sq.km.
WATER YEAR : 2011
SOUTHERN PENINSULA WEST COAST
Khlong Phangnga at Ban Bang Tong , Phangnga (X.245)
Lat 08 - 30 - 49 N Long 98 - 30 - 15 E
Amphoe
Mueang
Changwat
Phangnga
Ban
Bang Tong
Drainge Area
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
Near the gage site.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
2006 to date
+18.532 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
2006 to date
-
2006 to date
Rather unstable by some scouring.
No overbank flow.
Records good. Stage-discharge relation defined by 21 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
9.25
8.92
9.18
8.90
9.12
9.43
10.06
8.82
8.81
8.66
8.74
8.58
2
9.28
8.94
9.13
8.88
9.08
9.27
10.28
8.82
8.80
8.65
8.74
8.58
3
9.23
8.92
9.70
8.86
9.06
9.16
10.51
8.80
8.79
8.65
8.72
8.52
4
9.18
8.92
9.37
8.84
9.04
9.12
10.34
8.80
8.78
8.64
8.71
8.67
5
9.12
8.91
9.35
8.82
9.02
9.10
10.12
8.79
8.78
8.64
8.70
8.71
6
9.10
8.96
9.34
8.80
8.92
9.07
10.02
8.78
8.77
8.64
8.70
8.68
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
9.20
9.07
9.33
8.81
8.90
9.03
9.89
8.77
8.76
8.63
8.78
8.66
8
9.24
9.26
9.16
8.82
8.88
9.01
9.58
8.76
8.76
8.63
8.78
8.65
9
9.16
9.38
9.10
8.82
8.87
8.97
9.51
8.75
8.74
8.62
8.76
8.64
10
9.10
9.41
9.12
8.87
8.87
9.22
9.46
8.74
8.73
8.60
8.74
8.66
11
9.08
9.54
9.43
9.08
8.86
9.67
9.43
8.74
8.72
8.60
8.72
8.68
12
9.08
9.49
9.94
9.49
8.86
9.50
9.61
8.72
8.72
8.62
8.70
8.71
13
9.02
9.17
9.79
9.37
8.86
9.33
9.49
8.76
8.71
8.64
8.68
8.77
14
9.00
8.89
9.59
9.32
8.85
9.28
9.53
8.74
8.70
8.66
8.66
8.85
15
8.97
8.70
9.55
9.60
8.84
9.26
9.39
8.77
8.69
8.68
8.66
8.76
16
8.90
8.53
9.48
9.48
8.84
9.30
9.26
8.83
8.68
8.70
8.66
8.74
17
8.87
8.31
9.41
9.26
8.82
9.27
9.19
8.82
8.67
8.69
8.65
8.72
18
8.86
8.48
9.77
9.13
8.80
9.23
9.15
8.87
8.68
8.76
8.65
8.70
19
8.86
8.62
9.39
9.06
8.78
9.27
9.09
8.82
8.68
8.78
8.64
8.78
20
8.86
8.63
9.38
9.03
8.76
9.51
9.06
8.81
8.67
8.73
8.64
8.76
21
8.84
8.42
9.25
8.88
8.76
9.34
9.04
8.80
8.66
8.70
8.64
8.74
22
8.83
8.26
9.17
9.07
9.02
9.26
9.02
8.79
8.66
8.68
8.64
8.60
23
8.83
8.22
9.34
9.07
9.00
9.14
9.00
8.78
8.67
8.67
8.64
8.68
24
8.81
8.14
9.24
9.06
9.02
9.08
8.97
8.76
8.68
8.66
8.64
8.68
25
8.80
8.22
9.14
9.05
9.02
9.19
8.96
8.75
8.68
8.66
8.64
8.67
26
8.78
8.23
9.10
9.04
9.17
9.38
8.91
8.74
8.67
8.65
8.63
8.66
27
8.76
8.13
9.08
9.14
9.60
9.65
8.87
8.74
8.68
8.64
8.63
8.66
28
8.74
8.07
9.04
9.53
9.60
9.64
8.87
8.73
8.70
8.64
8.63
8.65
29
8.72
8.04
8.99
9.59
9.72
9.83
8.85
8.72
8.68
8.66
8.50
8.65
30
8.70
8.09
8.91
9.40
9.60
9.95
8.84
8.71
8.66
8.70
8.64
31
9.53
9.27
9.65
8.83
8.66
8.78
8.64
----------
--------------
Mean
8.97
8.72
9.33
9.11
9.04
9.32
9.39
8.77
8.71
8.67
8.68
8.68
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
9.28
9.54
9.94
9.60
9.72
9.95
10.51
8.87
8.81
8.78
8.78
8.85
10.51
Min
8.70
8.04
8.91
8.80
8.76
8.97
8.83
8.71
8.66
8.60
8.50
8.52
8.04
10.64
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 7.19
m. (MSL)
18.38
m. (MSL.) ,
18.38
m. (MSL.) ,
Drainage Area 242 Square Kilometers
at 08.00 Hours , on Oct 3 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation