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WATER YEAR : 2013
PHETCHABURI RIVER BASIN
Phetchaburi River at Ban Tha Yang , Phetchaburi (B.10)
Lat 12 - 58 - 21 N Long 99 - 53 - 07 E
Locat on : on e t an at t e r ge o Ban T a Yang.
4,076
sq.km.
Water - stage recorder
+5.625 m. (MSL.)
B.M.-H.D.
On right bank about 2 meters from the top staff gage.
Elevation
Recording
Amphoe
Tha Yang
Changwat
Phetchaburi
Ban
Tha Yang
Gage Reading Frequency
Zero Gage at Bottom
+15.068 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Drainge Area
Arithmetic mean of 24 readings
1983 to date
1985 to date
-
1985 to date
Stable.
No overbank flow.
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Records good. Flow regulated by Phet Dam.
Stage-discharge relation defined by 34 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
------------------
1
7.01
6.97
7.60
7.51
7.69
6.54
6.85
7.62
6.66
6.43
6.32
6.38
2
7.09
7.05
7.71
7.41
7.45
6.67
6.89
7.45
6.62
6.43
6.19
6.44
3
7.11
7.14
7.73
7.32
7.23
6.83
6.80
7.29
6.55
6.39
6.16
6.47
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
7.12
7.23
7.51
7.25
7.14
6.86
7.08
7.14
6.46
6.29
6.15
6.49
5
6.98
7.10
7.16
7.18
8.01
6.82
7.43
7.18
6.42
6.31
6.24
6.49
6
6.82
7.03
7.15
7.19
8.73
6.80
7.95
7.31
6.35
6.36
6.35
6.48
7
6.87
7.01
7.17
7.44
8.49
6.81
8.22
7.68
6.29
6.36
6.39
6.46
8
6.91
7.08
7.22
7.54
7.29
6.87
9.11
8.54
6.27
6.34
6.43
6.38
9
6.94
7.12
7.20
7.44
7.00
7.05
10.24
11.07
6.36
6.36
6.45
6.36
10
7.00
7.14
7.16
7.35
6.94
7.26
10.81
13.67
6.40
6.38
6.47
6.37
11
7.21
7.13
7.16
7.26
6.94
7.28
10.91
13.27
6.39
6.39
6.47
6.37
12
7 21
7 19
7 27
7 20
6 89
7 21
10 13
12 13
6 35
6 41
6 48
6 40
.
.
.
.
.
.
.
.
.
.
.
.
13
7.20
7.27
7.32
7.16
6.92
7.17
9.47
10.42
6.38
6.40
6.45
6.40
14
7.22
7.23
7.38
7.12
6.97
7.26
9.62
9.57
6.42
6.42
6.30
6.41
15
7.25
7.15
7.50
7.07
6.95
7.29
10.18
9.42
6.45
6.46
6.24
6.36
16
7.20
7.12
7.56
7.01
6.93
7.33
10.56
10.59
6.45
6.42
6.30
6.34
17
7.10
7.08
7.55
6.98
6.89
7.10
10.69
10.97
6.45
6.37
6.35
6.38
18
7.07
7.03
7.52
6.96
6.87
6.82
10.78
9.77
6.47
6.43
6.35
6.37
19
7.08
6.98
7.49
6.93
6.83
6.64
11.37
8.22
6.48
6.51
6.36
6.38
20
7.06
6.93
7.37
6.87
6.86
6.81
11.62
7.39
6.47
6.49
6.36
6.40
21
7.05
6.89
7.24
6.83
6.78
6.86
11.50
7.04
6.50
6.47
6.37
6.40
22
7.04
6.97
7.38
6.81
6.72
6.73
10.92
6.66
6.50
6.47
6.31
6.40
23
7.02
7.17
7.50
6.79
6.71
6.68
10.34
6.52
6.49
6.46
6.27
6.45
24
7.03
7.20
7.56
6.78
6.76
6.66
9.89
6.53
6.48
6.46
6.27
6.47
25
7.07
7.21
7.57
6.76
6.85
6.68
9.45
6.56
6.46
6.45
6.26
6.49
26
7.02
7.27
7.56
6.82
6.82
6.88
9.11
6.66
6.45
6.46
6.24
6.47
27
6.99
7.34
7.49
6.97
6.80
6.95
8.98
6.81
6.45
6.46
6.24
6.42
28
6.99
7.37
7.55
6.86
6.79
6.94
8.85
6.74
6.44
6.47
6.28
6.39
29
7.03
7.35
7.65
6.82
6.80
6.87
7.86
6.70
6.43
6.47
6.37
30
7.01
7.31
7.63
7.31
6.76
6.84
7.59
6.68
6.41
6.48
6.36
31
7.42
7.72
6.67
7.73
6.42
6.51
6.28
----------
--------------
Mean
7.06
7.14
7.43
7.12
7.08
6.92
9.32
8.45
6.44
6.42
6.32
6.41
Max
7.25
7.42
7.73
7.72
8.73
7.33
11.62
13.67
6.66
6.51
6.48
6.49
13.67
Min
6.82
6.89
7.15
6.76
6.67
6.54
6.80
6.52
6.27
6.29
6.15
6.28
6.15
13.83
m. (MSL.) ,
5.63
m. (MSL.) ,
River Bed 4.66
m. (MSL.)
15.21
m. (MSL.) ,
15.29
m. (MSL.) ,
Drainage Area 4076 Square Kilometers
at 15.00 Hours , on Nov 10 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation
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