Basic HTML Version
600
Location : on left bank at the bridge of Ban Tha Yang.
4,076
sq.km.
Amphoe
Tha Yang
Changwat
Phetchaburi
Ban
Tha Yang
WATER YEAR : 2011
PHETCHABURI RIVER BASIN
Phetchaburi River at Ban Tha Yang , Phetchaburi (B.10)
Lat 12 - 58 - 21 N Long 99 - 53 - 07 E
Drainge Area
Water - stage recorder
+5.625 m. (MSL.)
B.M.-H.D.
On right bank about 2 meters from the top staff gage.
Elevation
Recording
Arithmetic means of 24 readings
1983 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+15.068 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1985 to date
-
1985 to date
Stable.
No overbank flow.
Records good. Flow regulated by Phet Dam.
Stage-discharge relation defined by 33 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
6.58
6.55
7.02
6.89
6.82
6.96
9.25
6.25
6.22
6.25
6.55
6.56
2
6.57
6.56
7.05
6.71
6.88
6.74
8.91
6.16
6.21
6.26
6.55
6.57
3
6.57
6.55
6.84
6.44
7.94
6.50
7.37
6.11
6.21
6.26
6.53
6.57
4
6.58
6.63
6.67
6.38
8.58
6.40
6.67
6.06
6.17
6.34
6.60
6.60
5
6.59
7.09
6.61
6.37
8.68
6.38
6.53
6.01
6.17
6.54
6.63
6.65
6
6.58
7.11
6.62
6.38
8.82
6.54
6.52
6.01
6.17
6.42
6.61
6.73
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
6.57
6.85
6.78
6.38
9.03
7.86
6.70
6.17
6.17
6.29
6.60
6.72
8
6.56
6.69
6.94
6.38
8.97
7.18
7.25
6.18
6.16
6.26
6.59
6.68
9
6.55
6.65
7.10
6.34
8.29
6.72
8.02
6.77
6.17
6.26
6.53
6.67
10
6.55
6.60
7.11
6.32
7.10
6.52
7.94
7.23
6.18
6.26
6.48
6.67
11
6.68
6.52
6.89
6.32
6.83
6.40
7.46
7.04
6.20
6.27
6.47
6.64
12
6.73
6.49
6.77
6.32
6.76
6.50
7.37
6.25
6.31
6.27
6.48
6.61
13
6.76
6.50
6.74
6.33
6.71
6.73
7.38
6.15
6.35
6.28
6.54
6.59
14
6.75
6.49
6.80
6.33
6.74
6.73
7.46
6.14
6.32
6.28
6.71
6.58
15
6.71
6.48
6.89
6.33
6.85
6.68
7.86
6.14
6.32
6.28
6.77
6.59
16
6.63
6.49
6.92
6.34
7.02
6.72
8.67
6.18
6.42
6.29
6.92
6.60
17
6.56
6.51
6.92
6.35
7.17
6.67
8.92
6.35
6.36
6.30
6.82
6.63
18
6.54
6.69
6.97
6.35
7.26
6.64
8.37
6.43
6.28
6.31
6.68
6.74
19
6.53
6.97
6.95
6.35
7.33
6.70
7.35
6.48
6.24
6.31
6.66
6.83
20
6.53
7.08
6.95
6.48
7.37
6.67
7.02
6.43
6.24
6.32
6.74
6.82
21
6.51
7.02
6.77
6.72
7.29
6.63
6.68
6.33
6.21
6.34
6.57
6.75
22
6.50
6.89
6.60
6.84
7.24
6.69
6.59
6.28
6.24
6.48
6.51
6.66
23
6.49
6.72
6.54
6.74
7.14
6.70
6.51
6.29
6.25
6.63
6.51
6.62
24
6.51
6.58
6.43
6.53
6.75
6.65
6.39
6.27
6.25
6.59
6.51
6.61
25
6.54
6.53
6.35
6.44
6.56
6.66
6.27
6.26
6.24
6.47
6.52
6.63
26
6.50
6.53
6.35
6.42
6.62
6.77
6.15
6.27
6.25
6.40
6.53
6.64
27
6.55
6.58
6.37
6.39
6.69
7.04
6.04
6.32
6.25
6.39
6.54
6.66
28
6.68
6.69
6.41
6.41
6.80
8.43
6.05
6.32
6.24
6.40
6.55
6.68
29
6.56
6.76
6.62
6.42
7.26
9.05
6.19
6.32
6.24
6.40
6.55
6.72
30
6.54
6.79
6.80
6.52
7.53
9.27
6.32
6.24
6.24
6.42
6.79
31
6.81
6.76
7.42
6.31
6.25
6.44
6.82
----------
--------------
Mean
6.58
6.69
6.76
6.46
7.37
6.94
7.18
6.31
6.24
6.36
6.59
6.67
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Max
6.76
7.11
7.11
6.89
9.03
9.27
9.25
7.23
6.42
6.63
6.92
6.83
9.27
Min
6.49
6.48
6.35
6.32
6.56
6.38
6.04
6.01
6.16
6.25
6.47
6.56
6.01
9.32
m. (MSL.) ,
5.63
m. (MSL.) ,
River Bed 4.85
m. (MSL)
13.30
m. (MSL.) ,
13.42
m. (MSL.) ,
Drainage Area 4076 Square Kilometers
at 20.00 Hours , on Sep 30 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation