Basic HTML Version
520
Location : on left bank at Ban Nong Phai.
1,725
sq.km.
WATER YEAR : 2011
MAE KLONG RIVER BASIN
Lam Phachi at Ban Nong Phai , Kanchanaburi (K.62)
Lat 13 - 46 - 52 N Long 99 - 25 - 15 E
Amphoe
Dan Makham Tia
Changwat
Kanchanaburi
Ban
Nong Phai
Drainge Area
Staff gage
+49.000 m. (MSL.)
B.M.-H.D.
On left bank near the gage site.
Elevation
5-time daily reading at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
2006 to date
Bench Mark
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
Type of Gage
+56.000 m. (MSL.)
Rating Operation
Period of Available Gage Records
2006 to date
-
2006 to date
Fairly stable with variable water surface slope.
No overbank flow.
Records good. Stage-discharge relation defined by 43 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
49.50
49.96
50.15
49.76
50.34
49.79
49.83
50.83
49.82
49.51
49.41
49.26
2
49.48
50.08
50.56
49.74
51.14
49.79
49.81
50.71
49.82
49.51
49.41
49.26
3
49.47
49.98
50.18
49.71
51.25
49.78
49.80
50.61
49.81
49.50
49.41
49.26
4
49.47
50.13
50.99
49.70
50.73
49.78
49.82
50.52
49.81
49.50
49.41
49.26
5
49.58
50.04
50.86
49.79
50.44
49.77
49.89
50.44
49.80
49.49
49.41
49.26
6
49.62
50.01
50.44
49.95
50.27
49.77
49.99
50.38
49.80
49.48
49.41
49.26
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
7
49.69
49.97
50.30
49.81
50.17
49.76
50.85
50.31
49.79
49.48
49.41
49.25
8
49.81
50.03
50.19
49.76
50.10
49.72
52.66
50.27
49.75
49.47
49.41
49.25
9
49.74
49.97
50.11
49.70
50.06
49.69
52.88
50.23
49.67
49.46
49.41
49.25
10
49.71
49.93
50.06
49.65
50.03
49.74
51.76
50.19
49.66
49.43
49.40
49.25
11
49.75
49.93
50.02
49.63
50.00
49.95
51.46
50.17
49.66
49.41
49.38
49.26
12
49.70
49.92
49.97
49.60
49.99
50.50
51.74
50.14
49.65
49.39
49.36
49.25
13
49.64
50.03
49.94
49.58
49.97
50.67
51.91
50.10
49.63
49.39
49.35
49.25
14
49.59
50.48
49.95
49.57
49.95
50.43
51.84
50.06
49.62
49.39
49.34
49.25
15
49.57
50.77
49.94
49.56
50.04
50.23
51.34
50.02
49.61
49.39
49.33
49.25
16
49.55
50.91
49.95
49.56
50.02
50.12
51.52
50.00
49.60
49.39
49.33
49.25
17
49.52
50.71
49.93
49.56
49.98
50.06
51.48
49.98
49.60
49.39
49.33
49.25
18
49.47
50.57
49.91
49.56
49.95
50.01
52.18
49.97
49.59
49.40
49.33
49.25
19
49.49
50.52
50.04
49.55
49.92
49.98
51.82
49.95
49.59
49.42
49.33
49.25
20
49.88
50.40
50.03
49.54
49.90
49.94
51.39
49.94
49.58
49.41
49.33
49.25
21
49.73
50.30
50.02
49.56
49.88
49.92
51.23
49.92
49.57
49.41
49.33
49.25
22
49.60
50.23
50.15
49.63
49.86
49.90
51.26
49.90
49.56
49.41
49.33
49.25
23
49.55
50.18
50.19
49.74
49.85
49.89
51.11
49.88
49.56
49.41
49.28
49.25
24
49.52
50.12
50.04
49.83
49.81
49.88
51.01
49.89
49.55
49.41
49.26
49.25
25
49.82
50.08
49.95
49.85
49.79
49.88
50.80
49.91
49.55
49.41
49.26
49.25
26
50.17
50.18
49.87
49.77
49.79
49.92
50.96
49.86
49.54
49.41
49.26
49.25
27
50.13
50.33
49.85
49.81
49.79
49.99
50.85
49.83
49.53
49.41
49.26
49.25
28
49.92
50.21
49.91
49.79
49.81
49.95
50.76
49.83
49.53
49.41
49.26
49.25
29
50.03
50.14
49.89
49.78
49.85
49.90
51.08
49.82
49.52
49.41
49.26
49.25
30
50.19
50.07
49.81
49.68
49.85
49.86
51.20
49.82
49.51
49.41
49.25
31
50.09
49.84
49.81
51.01
49.51
49.41
49.25
----------
--------------
Mean
49.70
50.20
50.11
49.70
50.08
49.95
51.14
50.12
49.64
49.43
49.34
49.25
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
50.19
50.91
50.99
49.95
51.25
50.67
52.88
50.83
49.82
49.51
49.41
49.26
52.88
Min
49.47
49.92
49.81
49.54
49.79
49.69
49.80
49.82
49.51
49.39
49.26
49.25
49.25
53.42
m. (MSL.) ,
49.00
m. (MSL.) ,
River Bed 48.31
m. (MSL)
54.96
m. (MSL.) ,
54.57
m. (MSL.) ,
Drainage Area 1725 Square Kilometers
at 21.00 Hours , on Oct 8 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation