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WATER YEAR : 2013
PHETCHABURI RIVER BASIN
Phetchaburi River at Ban Song Phi Nong , Phetchaburi (B.3A)
Lat 12 - 51 - 47 N Long 99 - 40 - 42 E
Locat on : on e t an at Ban Song P Nong.
2,220
sq.km.
Water - stage recorder
+40.998 m. (MSL.)
B.M.-H.D.
On left bank about 24 meters from the top staff gage.
Elevation
Recording
+50.534 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Kaeng Krachan
Changwat
Phetchaburi
Ban
Song Phi Nong
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 24 readings
1930 - 1942 , 1954 to date
1954 - 1959 , 1968 to date
-
1954 - 1959 , 1968 to date
Stable.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records good. Flow regulated by Kaeng Krachan Reservoir.
Stage-discharge relation defined by 33 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
42.95
43.03
42.71
41.64
42.45
42.52
42.00
42.90
41.87
42.13
42.77
42.95
2
42.97
43.03
42.69
41.61
42.60
42.56
42.09
42.77
41.87
42.13
42.77
42.96
3
42.98
43.04
42.05
41.60
42.55
42.56
42.59
42.99
41.87
42.13
42.80
42.96
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
42.80
43.03
42.17
41.60
43.49
42.56
42.57
43.02
41.87
42.31
42.97
42.94
5
42.98
43.02
42.07
41.66
43.40
42.57
42.40
43.29
41.87
42.31
42.97
42.94
6
42.97
43.08
42.10
41.83
42.65
42.62
41.98
43.46
41.88
42.29
42.98
42.87
7
42.96
43.08
42.10
41.82
42.40
42.63
41.69
43.72
41.99
42.28
43.01
42.75
8
42.97
43.08
42.10
41.75
42.51
42.67
41.62
43.85
42.08
42.27
43.01
42.79
9
43.14
43.06
42.08
41.69
42.51
42.67
41.60
42.84
42.06
42.28
43.02
42.79
10
43.07
43.03
42.10
41.61
42.45
42.66
41.57
42.35
42.07
42.28
43.01
42.79
11
43.09
43.11
42.10
41.67
42.44
42.66
41.99
41.93
42.07
42.28
43.00
42.84
12
43 08
43 07
42 09
41 65
42 44
42 60
42 80
41 70
42 08
42 27
42 88
42 83
.
.
.
.
.
.
.
.
.
.
.
.
13
43.09
42.98
42.08
41.64
42.44
42.54
43.36
41.88
42.08
42.28
42.79
42.83
14
43.09
42.98
42.08
41.64
42.41
42.36
43.93
42.58
42.09
42.42
42.78
42.79
15
42.94
42.98
42.07
41.67
42.37
42.32
43.90
42.73
42.09
42.44
42.79
42.88
16
42.91
42.85
42.07
41.66
42.37
42.07
43.89
42.30
42.09
42.44
42.79
42.88
17
42.91
42.84
42.04
41.66
42.37
42.01
43.88
41.93
42.10
42.63
42.80
42.86
18
42.85
42.85
41.86
41.66
42.38
42.09
43.85
42.03
42.10
42.52
42.79
42.90
19
42.86
42.85
41.69
41.65
42.37
42.50
43.50
41.87
42.10
42.51
42.79
42.89
20
42.86
42.85
41.82
41.64
42.26
42.03
43.35
41.86
42.16
42.52
42.80
42.89
21
42.86
42.85
41.82
41.64
42.29
42.03
43.32
41.86
42.11
42.51
42.80
42.91
22
42.87
42.84
41.82
41.64
42.12
42.05
43.31
41.86
42.11
42.52
42.81
42.91
23
42.87
42.81
41.81
41.63
42.39
42.05
43.29
41.86
42.11
42.52
42.81
42.91
24
42.91
42.82
41.80
41.81
42.38
42.12
43.28
41.87
42.11
42.52
42.80
42.91
25
42.91
42.80
41.68
41.84
42.38
42.29
43.28
41.87
42.12
42.53
42.81
42.86
26
42.91
42.82
41.67
41.74
42.38
42.21
43.27
41.87
42.12
42.53
42.81
42.85
27
42.92
42.81
41.67
41.81
42.39
42.21
43.16
41.87
42.12
42.53
42.88
42.85
28
42.93
42.74
41.69
41.97
42.39
42.21
43.02
41.87
42.09
42.54
42.95
42.86
29
42.92
42.74
41.68
42.48
42.39
42.22
42.99
41.87
42.12
42.54
42.83
30
42.98
42.74
41.67
42.48
42.27
42.23
42.99
41.87
42.13
42.68
42.75
31
42.70
42.46
42.40
43.00
42.13
42.77
42.75
----------
--------------
Mean
42.95
42.92
41.98
41.77
42.47
42.36
42.89
42.36
42.05
42.42
42.86
42.86
Max
43.14
43.11
42.71
42.48
43.49
42.67
43.93
43.85
42.16
42.77
43.02
42.96
43.93
Min
42.80
42.70
41.67
41.60
42.12
42.01
41.57
41.70
41.87
42.13
42.77
42.75
41.57
44.07
m. (MSL.) ,
41.00
m. (MSL.) ,
River Bed 40.59
m. (MSL.)
48.93
m. (MSL.) ,
48.90
m. (MSL.) ,
Drainage Area 2220 Square Kilometers
at 16.00 Hours , on Nov 8 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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