Basic HTML Version
432
Location : on right bank at the bridge
-
sq.km.
WATER YEAR : 2011
CHAO PHRAYA RIVER BASIN
Huai Khun Kaeo at Ban Ngiu Ngam, Uthai Thani (C.50)
Lat 15 - 18 - 23 N Long 99 - 51 - 15 E
Amphoe
Nong Chang
Changwat
Uthai Thani
Ban
Ngiu Ngam
Drainge Area
Staff gage.
+45.100 m. (MSL.)
B.M.-H.D.
On right bank near the gage site
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
1996 to date
+50.716 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
1996 to date
-
1996 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 3 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
47.76
47.95
48.15
47.52
48.00
48.07
48.14
47.99
47.73
47.87
47.94
47.29
2
47.75
47.94
47.99
47.74
48.02
48.02
48.10
47.98
47.64
47.84
47.94
47.08
3
47.75
47.88
47.96
47.93
48.00
48.07
48.37
47.96
47.50
47.77
47.93
46.90
4
47.74
47.78
47.99
47.99
47.96
48.13
48.67
47.95
47.36
47.73
47.88
46.65
5
47.74
47.72
48.15
48.05
47.92
48.22
48.71
47.95
47.26
47.62
47.82
46.40
6
47.72
47.66
48.27
48.12
47.84
48.29
48.52
47.94
47.24
47.52
47.78
46.25
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
47.70
47.64
48.22
48.24
47.81
48.21
48.45
47.93
47.22
47.39
47.71
46.17
8
47.66
47.60
48.34
48.38
47.79
48.21
48.52
47.91
47.22
47.27
47.68
46.12
9
47.64
47.57
48.22
48.00
47.89
48.24
48.36
47.89
47.22
47.18
47.65
46.10
10
47.59
47.55
48.13
47.88
47.94
48.31
48.28
47.86
47.23
47.17
47.60
46.09
11
47.57
47.55
48.03
47.85
47.98
48.45
48.26
47.88
47.24
47.16
47.50
46.09
12
47.50
47.54
47.96
47.90
47.97
48.73
48.19
47.77
47.24
47.16
47.42
46.09
13
47.41
47.62
47.91
47.94
48.05
48.86
48.22
47.65
47.24
47.16
47.27
46.09
14
47.34
47.67
47.81
48.27
48.05
48.72
48.52
47.79
47.22
47.16
47.20
46.08
15
47.28
47.72
47.74
48.16
48.04
48.41
48.60
47.97
47.18
47.16
47.18
46.08
16
47.20
47.96
47.59
48.01
48.19
48.22
48.55
48.00
47.16
47.15
47.16
46.08
17
47.14
48.03
47.48
48.19
48.24
48.18
48.87
48.00
47.16
47.15
47.10
46.08
18
47.11
48.07
47.43
48.20
48.28
48.52
49.02
47.99
47.15
47.15
46.85
46.08
19
47.10
48.25
47.37
48.07
48.23
48.44
48.68
48.00
47.15
47.15
46.63
46.08
20
47.10
48.08
47.55
47.98
48.16
48.49
48.48
48.00
47.20
47.14
46.45
46.07
21
47.10
48.01
47.80
47.95
48.10
48.43
48.33
48.00
47.68
47.19
46.35
46.07
22
47.08
47.95
47.96
47.93
48.04
48.52
48.25
48.04
47.90
47.91
46.45
46.06
23
47.08
47.92
47.97
47.93
47.99
48.57
48.21
48.03
47.93
47.88
46.66
46.06
24
47.07
47.90
47.91
47.93
47.95
48.54
48.16
48.05
47.93
47.90
47.13
46.05
25
47.06
47.90
47.83
47.95
47.92
48.45
48.10
48.04
47.93
47.90
47.76
46.01
26
47.07
48.03
47.75
48.07
47.90
48.28
48.07
48.02
47.93
47.88
47.68
45.96
27
47.10
48.18
47.68
48.21
47.92
48.21
48.05
47.97
47.94
47.86
47.62
45.90
28
47.77
48.06
47.48
48.20
48.16
48.28
48.05
47.94
47.94
47.88
47.53
45.85
29
47.93
48.04
47.39
48.18
48.24
48.20
48.05
47.88
47.94
47.91
47.45
45.84
30
47.94
48.03
47.36
48.06
48.15
48.15
48.03
47.81
47.92
47.95
45.84
31
48.12
48.00
48.13
48.00
47.92
47.94
45.77
----------
--------------
Mean
47.43
47.87
47.85
48.03
48.03
48.35
48.35
47.94
47.50
47.52
47.36
46.17
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Max
47.94
48.25
48.34
48.38
48.28
48.86
49.02
48.05
47.94
47.95
47.94
47.29
49.02
Min
47.06
47.54
47.36
47.52
47.79
48.02
48.00
47.65
47.15
47.14
46.35
45.77
45.77
49.04
m. (MSL.) ,
45.10
m. (MSL.) ,
River Bed 43.96
m. (MSL)
50.73
m. (MSL.) ,
50.72
m. (MSL.) ,
Drainage Area
Square Kilometers
at 06.00 Hours , on Oct 18 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation