Basic HTML Version
598
Location : on left bank at Ban Sarahed.
2,617
sq.km.
WATER YEAR : 2011
PHETCHABURI RIVER BASIN
Phetchaburi River at Ban Sarahed , Phetchaburi (B.9)
Lat 12 - 48 - 18 N Long 99 - 46 - 27 E
Amphoe
Tha Yang
Changwat
Phetchaburi
Ban
Sarahed
Drainge Area
Water - stage recorder
+25.317 m. (MSL.)
B.M.-H.D.
Near the automatic gage building.
Elevation
Recording
Arithmetic means of 24 readings
2003 to date
+32.512 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
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
26.76
27.00
27.01
27.43
28.17
27.51
28.89
27.73
27.52
27.84
28.06
28.19
2
26.79
27.05
26.92
27.26
28.87
27.48
27.97
27.74
27.51
27.88
28.07
28.20
3
27.20
27.71
26.84
27.24
28.86
27.48
27.90
27.74
27.32
28.03
28.11
28.20
4
26.81
27.77
26.74
27.22
28.89
27.48
27.88
27.73
27.30
28.04
28.09
28.22
5
26.62
27.32
26.76
27.23
29.12
27.65
27.89
27.74
27.30
27.76
28.10
28.19
6
26.62
27.13
26.75
27.23
29.11
28.71
27.90
27.73
27.29
27.75
28.10
28.07
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
26.62
26.99
26.71
27.21
29.04
27.84
27.91
27.74
27.29
27.76
28.11
28.06
8
26.72
26.98
26.75
27.21
28.10
27.72
28.09
28.34
27.29
27.75
28.11
28.07
9
27.19
26.99
26.86
27.21
28.00
27.65
27.96
28.47
27.27
27.75
28.11
28.05
10
27.88
27.27
26.87
27.20
27.98
27.63
27.92
28.27
27.29
27.76
28.12
28.06
11
27.86
27.18
26.86
27.19
27.98
27.68
27.93
27.85
27.24
27.78
28.11
28.09
12
27.76
27.20
26.87
27.33
27.91
27.69
27.92
27.82
27.10
27.83
28.13
28.20
13
27.77
27.18
26.91
27.40
27.92
27.67
27.90
27.82
27.08
27.85
28.13
28.25
14
27.77
27.32
26.89
27.39
27.93
27.66
27.90
28.01
27.08
27.85
28.13
28.25
15
27.51
27.33
26.89
27.63
27.96
27.65
27.80
28.06
27.34
27.85
28.13
28.26
16
27.26
27.33
26.91
27.65
27.91
27.66
27.19
28.08
27.28
27.85
28.14
28.27
17
27.06
27.29
26.92
27.65
27.87
27.69
26.99
28.08
27.30
27.85
27.99
28.27
18
26.84
27.11
26.76
27.64
27.79
27.81
26.94
28.12
27.30
27.86
27.93
28.30
19
26.81
26.93
26.88
27.65
27.76
27.81
26.86
28.02
27.29
27.87
27.94
28.27
20
26.81
26.96
26.86
27.53
27.75
27.85
26.81
27.96
27.29
27.88
27.94
28.15
21
26.80
26.89
26.72
27.64
27.75
27.84
26.87
27.86
27.29
27.89
27.94
28.13
22
26.80
26.87
26.80
27.65
27.75
27.85
26.86
27.83
27.36
27.87
28.01
28.13
23
26.91
26.87
26.89
27.43
27.74
27.85
26.84
27.79
27.30
27.76
28.02
28.13
24
26.98
26.86
27.19
27.40
27.74
27.95
26.84
27.81
27.32
27.76
28.01
28.06
25
26.88
26.86
27.50
27.41
27.74
27.68
26.83
27.82
27.32
27.76
28.12
28.14
26
27.55
26.87
27.66
27.40
27.75
28.01
26.79
27.81
27.26
27.77
28.17
28.15
27
26.99
27.00
27.68
27.39
27.77
29.15
27.51
27.76
27.27
27.77
28.18
28.16
28
26.68
26.89
27.68
27.86
27.75
29.16
27.73
27.71
27.26
27.77
28.19
28.15
29
26.80
26.88
27.67
27.86
27.66
29.16
27.74
27.47
27.24
27.78
28.19
28.18
30
26.91
26.90
27.68
27.91
27.63
29.09
27.76
27.52
27.26
27.79
28.17
31
26.98
27.91
27.63
27.75
27.26
27.80
28.18
----------
--------------
Mean
27.07
27.09
27.01
27.46
28.06
27.94
27.55
27.88
27.28
27.82
28.08
28.17
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Max
27.88
27.77
27.68
27.91
29.12
29.16
28.89
28.47
27.52
28.04
28.19
28.30
29.16
Min
26.62
26.86
26.71
27.19
27.63
27.48
26.79
27.47
27.08
27.75
27.93
28.05
26.62
29.17
m. (MSL.) ,
25.32
m. (MSL.) ,
River Bed 25.19
m. (MSL)
31.87
m. (MSL.) ,
32.10
m. (MSL.) ,
Drainage Area 2617 Square Kilometers
at 18.00 Hours , on Sep 28 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation