Basic HTML Version
562
Location : on left bank near the Meteorological Station.
1,236
sq.km.
Amphoe
Klaeng
Changwat
Rayong
Ban
Chak Khrok
WATER YEAR : 2011
EAST COAST - GULF BASIN
Khlong Prasae at Ban Chak Khrok , Rayong (Z.11)
Lat 12 - 51 - 20 N Long 101 - 37 - 09 E
Drainge Area
Water - stage recorder
+2.630 m. (MSL.)
B.M.-H.D.
On left bank near the Meteorological Station.
Elevation
Recording
Arithmetic means of 24 readings
1965 - 1974 , 1989 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+13.420 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1989 to date
-
1989 to date
Fairly stable.
No overbank flow
Records fair. Flow effectedn by the concrete weir about 7 kilometers downstream and 5 kilometers above gage site.
Stage-discharge relation defined by 36 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
4.67
4.91
5.59
4.96
5.14
6.31
7.27
5.19
4.71
4.67
4.71
5.39
2
4.67
4.81
5.58
5.90
6.29
5.79
6.87
5.10
4.70
4.68
4.71
5.52
3
4.67
4.77
5.59
6.68
5.67
5.54
6.55
5.03
4.70
4.68
4.71
5.36
4
4.67
4.81
5.59
7.28
5.19
5.65
6.49
4.96
4.70
4.68
4.70
5.31
5
4.70
5.47
5.74
6.68
5.03
5.73
6.74
4.90
4.70
4.68
4.70
5.30
6
4.83
5.62
5.84
5.85
4.96
6.41
7.23
4.85
4.70
4.68
4.70
5.31
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
4.78
5.67
5.83
5.24
5.06
6.66
8.35
4.72
4.69
4.67
4.71
5.57
8
4.76
5.68
5.75
5.07
5.36
6.58
8.60
4.48
4.69
4.68
5.08
5.64
9
4.75
5.68
5.69
4.98
5.47
6.47
8.30
4.78
4.70
4.68
5.33
5.55
10
4.79
5.68
5.28
4.94
5.59
6.67
8.02
5.00
4.69
4.68
5.35
4.96
11
4.75
5.67
5.14
4.93
5.75
7.58
7.27
4.73
4.68
4.68
5.37
4.71
12
4.74
5.65
5.11
4.89
5.46
9.13
6.87
4.69
4.68
4.68
5.36
4.70
13
4.73
5.67
5.23
4.89
5.31
8.96
6.55
4.66
4.68
4.68
5.35
4.69
14
4.74
5.78
6.07
4.88
5.78
8.42
6.49
4.67
4.68
4.68
5.35
4.69
15
4.72
5.80
5.50
5.01
6.55
7.76
6.74
4.65
4.68
4.68
5.36
4.69
16
4.69
5.97
5.12
5.11
7.26
7.20
7.23
4.71
4.68
4.68
5.37
4.68
17
4.70
5.78
4.97
5.02
7.42
6.86
8.35
4.70
4.68
4.71
5.37
4.67
18
4.70
5.71
4.94
4.96
7.67
6.53
8.60
4.70
4.68
4.69
5.37
4.64
19
4.73
5.66
4.92
4.89
6.97
6.76
8.30
4.70
4.68
4.70
5.38
4.65
20
4.80
5.69
5.19
4.85
5.87
7.13
8.02
4.70
4.68
4.76
5.37
4.73
21
4.74
5.71
5.19
4.95
5.33
7.62
7.46
4.68
4.68
4.71
5.36
4.84
22
4.71
5.66
5.09
5.30
5.28
8.89
7.07
4.67
4.68
4.70
5.36
4.77
23
4.79
5.61
4.98
5.10
5.25
8.74
6.67
4.66
4.68
4.70
5.35
4.77
24
4.87
5.61
4.89
4.99
5.12
8.37
6.31
4.67
4.67
4.70
5.35
4.80
25
5.24
5.68
4.84
5.45
6.04
7.84
6.03
4.72
4.67
4.70
4.85
4.79
26
5.68
5.69
4.81
5.98
7.43
7.37
5.88
4.73
4.67
4.76
4.92
4.77
27
5.62
5.65
5.03
5.38
7.96
7.08
5.80
4.72
4.67
4.91
5.33
5.19
28
5.28
5.65
5.17
5.05
7.79
6.81
5.64
4.72
4.67
4.77
4.83
4.66
29
4.93
5.61
5.01
4.95
8.63
6.99
5.50
4.74
4.67
4.72
5.32
4.65
30
4.93
5.59
4.95
4.93
8.60
7.20
5.35
4.91
4.67
4.72
4.64
31
5.58
4.89
7.55
5.24
4.67
4.71
4.64
----------
--------------
Mean
4.85
5.57
5.29
5.29
6.22
7.17
6.96
4.77
4.68
4.70
5.14
4.94
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
5.68
5.97
6.07
7.28
8.63
9.13
8.60
5.19
4.71
4.91
5.38
5.64
9.13
Min
4.67
4.77
4.81
4.85
4.96
5.54
5.24
4.48
4.67
4.67
4.70
4.64
4.48
9.24
m. (MSL.) ,
2.63
m. (MSL.) ,
River Bed 3.65
m. (MSL)
10.80
m. (MSL.) ,
10.67
m. (MSL.) ,
Drainage Area 1236 Square Kilometers
at 12.00 Hours, on Sep 12, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation