Basic HTML Version
552
Location : on left bank about 50 meters from the top staff gage.
126
sq.km.
Drainge Area
WATER YEAR : 2011
BANG PAKONG RIVER BASIN
Upper Khlong Ban Na at Ban Cha Om , Saraburi (Ny.6)
Lat 14 - 24 - 34 N Long 101 - 07 - 30 E
Amphoe
Kaeng Khoi
Changwat
Saraburi
Ban
Cha Om
Staff gage
+29.600 m. (MSL.)
B.M.-H.D.
On left bank about 50 meters from the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
1988 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+34.960 m. (MSL.)
Bench Mark
Type of Gage
1988 to date
-
1988 to date
Fairly stable.
Overbank flow starts at elevation +34.820 m.(MSL.), records are channel flow only.
Records fair. Stage-discharge relation defined by 21 discharge measurements made in 2011.
Period of Rating
Rated by Flot
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
30.70
30.92
31.55
31.17
31.53
31.36
31.61
31.08
31.00
30.88
30.81
30.80
2
30.70
31.07
31.43
31.13
31.58
31.46
31.53
31.08
31.00
30.88
30.81
30.80
3
30.70
30.98
31.32
31.12
31.45
31.50
32.15
31.06
30.95
30.88
30.81
30.80
4
30.70
30.96
31.20
31.14
31.43
31.56
31.87
31.06
30.95
30.88
30.81
30.80
5
30.70
31.03
31.11
31.09
31.35
31.52
31.71
31.06
30.95
30.85
30.81
30.80
6
30.70
30.98
31.10
31.06
31.28
31.51
31.85
31.06
30.92
30.85
30.81
30.80
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
30.70
30.98
31.08
31.04
31.23
31.44
31.70
31.08
30.92
30.85
30.81
30.80
8
30.71
30.96
31.07
31.07
31.19
31.46
31.60
31.08
30.92
30.85
30.81
30.80
9
30.71
30.96
31.04
31.04
31.17
31.47
31.52
31.08
30.92
30.85
30.81
30.80
10
30.71
30.94
31.20
31.02
31.19
34.24
31.50
31.08
30.92
30.85
30.81
30.80
11
30.72
30.94
31.16
31.21
31.17
32.54
31.63
31.06
30.92
30.85
30.81
30.80
12
30.73
30.94
31.16
31.13
31.17
33.07
31.69
31.06
30.90
30.85
30.81
30.80
13
30.73
30.94
31.11
31.09
31.15
32.23
31.74
31.06
30.90
30.84
30.81
30.80
14
30.73
30.94
31.10
31.07
31.26
32.14
31.60
31.06
30.90
30.84
30.81
30.80
15
30.73
30.94
31.08
31.54
31.30
32.04
31.53
31.04
30.90
30.84
30.81
30.80
16
30.74
30.94
31.10
31.31
31.32
31.85
31.48
31.04
30.90
30.84
30.81
30.80
17
30.75
30.94
31.08
31.61
31.30
31.76
31.42
31.04
30.90
30.84
30.81
30.80
18
30.76
30.98
31.14
31.41
31.63
31.99
31.37
31.02
30.90
30.83
30.81
30.80
19
30.78
31.01
31.09
31.58
31.47
31.77
31.31
31.02
30.90
30.83
30.81
30.80
20
30.80
31.00
31.20
31.68
31.51
32.08
31.29
31.02
30.88
30.83
30.81
30.79
21
30.81
31.00
31.17
31.75
31.42
32.01
31.26
31.00
30.88
30.83
30.81
30.79
22
30.81
31.00
31.15
31.73
31.32
31.83
31.23
31.00
30.88
30.83
30.81
30.79
23
30.84
30.96
31.11
31.49
31.26
31.74
31.20
31.00
30.88
30.83
30.81
30.79
24
30.84
30.96
31.08
31.59
31.22
32.35
31.20
31.00
30.88
30.83
30.81
30.79
25
30.85
30.96
31.05
31.43
31.19
31.78
31.17
31.00
30.88
30.82
30.81
30.79
26
30.85
30.94
31.09
31.51
31.17
31.76
31.15
31.00
30.88
30.82
30.81
30.79
27
30.88
30.94
31.63
31.38
31.21
31.73
31.14
31.00
30.88
30.82
30.81
30.79
28
30.88
30.92
31.40
31.27
31.24
31.70
31.14
31.00
30.88
30.82
30.81
30.79
29
30.90
30.92
31.26
31.25
31.70
31.67
31.11
31.00
30.88
30.82
30.81
30.79
30
30.90
31.41
31.22
31.30
31.55
31.64
31.10
31.00
30.88
30.82
30.79
31
31.22
31.39
31.44
31.08
30.88
30.82
30.79
----------
--------------
Mean
30.77
30.99
31.18
31.31
31.34
31.91
31.45
31.04
30.91
30.84
30.81
30.80
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
30.90
31.41
31.63
31.75
31.70
34.24
32.15
31.08
31.00
30.88
30.81
30.80
34.24
Min
30.70
30.92
31.04
31.02
31.15
31.36
31.08
31.00
30.88
30.82
30.81
30.79
30.70
35.50
m. (MSL.) ,
29.60
m. (MSL.) ,
River Bed 29.90
m. (MSL)
34.82
m. (MSL.) ,
34.81
m. (MSL.) ,
Drainage Area 126 Square Kilometers
at 06.00 Hours , on Sep 10 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation