Basic HTML Version
688
Location : on left bank at the bridge on Surat Thanu - Phang Nga Highway.
546
sq.km.
WATER YEAR : 2011
SOUTHERN PENINSULA WEST COAST
Khlong Ta Kuaw Pa at Ban Hin Dan , Phang Nga (X.187)
Lat 08 - 46 - 25 N Long 98 - 23 - 36 E
Drainge Area
Amphoe
Ta Kuaw Pa
Changwat
Phang Nga
Ban
Hin Dan
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
On left bank about 4 meters from 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
1996 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+9.230 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1996 to date
-
1996 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
6.93
5.87
6.47
5.85
6.37
6.81
7.66
5.77
5.54
5.41
5.58
5.41
2
6.48
5.81
6.73
6.08
6.29
6.59
7.60
5.70
5.67
5.42
5.51
5.41
3
6.28
5.75
6.84
5.98
6.24
6.37
7.97
5.67
5.60
5.48
5.52
5.46
4
6.17
5.73
6.63
5.89
6.18
6.51
7.69
5.73
5.69
5.45
5.50
5.52
5
6.08
5.71
6.58
5.85
6.10
6.66
7.78
5.79
5.68
5.44
5.47
5.60
6
5.99
5.77
6.44
5.84
6.08
6.33
7.22
5.75
5.68
5.43
5.44
5.69
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
6.00
6.17
6.41
5.91
5.99
6.15
6.91
5.73
5.65
5.40
5.44
5.62
8
6.14
6.15
6.36
5.88
5.95
6.18
6.53
5.70
5.61
5.40
5.41
5.72
9
5.99
6.30
6.38
5.84
5.94
6.15
6.56
5.71
5.60
5.40
5.47
5.78
10
5.95
7.24
6.50
5.84
5.90
6.68
6.40
5.72
5.58
5.38
5.41
5.66
11
5.97
7.24
6.89
5.89
5.85
8.96
6.40
5.68
5.55
5.38
5.40
5.62
12
5.95
6.77
6.95
5.95
5.88
8.18
7.48
6.05
5.59
5.36
5.40
5.65
13
5.93
6.62
6.54
6.17
5.84
7.63
7.44
5.99
5.55
5.36
5.52
5.61
14
6.05
6.35
6.44
6.95
5.82
7.03
6.61
5.86
5.56
5.35
5.54
5.60
15
5.98
6.27
6.39
7.16
5.80
6.73
6.40
5.80
5.55
5.36
5.51
5.52
16
5.96
6.22
6.47
7.28
5.81
6.38
6.26
5.75
5.53
5.48
5.53
5.48
17
5.91
6.32
6.39
7.16
5.85
6.32
6.15
5.74
5.50
5.53
5.49
5.50
18
5.86
6.65
6.36
6.57
5.82
6.37
6.06
5.70
5.47
5.51
5.69
5.58
19
5.92
6.54
6.33
6.34
5.81
6.63
6.06
5.65
5.45
5.56
5.69
5.64
20
5.93
6.32
6.30
6.23
5.87
6.95
6.00
5.63
5.45
5.54
5.66
5.60
21
5.84
6.23
6.31
6.18
5.80
6.51
6.20
5.61
5.44
5.51
5.52
5.58
22
5.82
6.30
6.28
6.17
5.80
6.32
6.16
5.60
5.44
5.59
5.53
5.55
23
5.80
6.15
6.24
6.16
5.87
6.23
6.05
5.61
5.46
5.55
5.48
5.57
24
5.81
6.07
6.27
6.33
6.01
6.38
5.85
5.60
5.45
5.49
5.42
5.49
25
5.85
5.97
6.17
6.28
8.13
6.56
5.80
5.62
5.44
5.45
5.40
5.48
26
5.82
6.02
6.07
6.33
7.68
8.24
5.72
5.63
5.45
5.43
5.40
5.49
27
5.80
5.99
5.98
6.62
7.89
7.74
5.80
5.59
5.45
5.41
5.42
5.66
28
5.81
5.95
5.91
6.83
9.07
7.53
5.80
5.58
5.46
5.45
5.40
5.67
29
5.81
5.91
5.86
7.48
8.78
7.43
5.75
5.55
5.45
5.45
5.38
5.61
30
5.89
6.09
5.84
7.10
8.04
7.40
5.70
5.55
5.44
5.47
5.56
31
7.13
6.60
7.19
5.70
5.44
5.60
5.50
----------
--------------
Mean
5.99
6.25
6.38
6.35
6.44
6.86
6.51
5.70
5.53
5.45
5.49
5.58
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Max
6.93
7.24
6.95
7.48
9.07
8.96
7.97
6.05
5.69
5.60
5.69
5.78
9.07
Min
5.80
5.71
5.84
5.84
5.80
6.15
5.70
5.55
5.44
5.35
5.38
5.41
5.35
9.20
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 4.53
m. (MSL)
11.63
m. (MSL.) ,
11.65
m. (MSL.) ,
Drainage Area 546 Square Kilometers
at 09.00 Hours , on Aug 28 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation