Basic HTML Version
36
Location : on right bank at the bridge on highway.
1,235
sq.km.
WATER YEAR : 2011
KHONG RIVER BASIN
Huai Luang at Ban Non Toom , Udon Thani (Kh.103)
Lat 17 - 28 - 56 N Long 102 - 47 - 49 E
Drainge Area
Amphoe
Mueang
Changwat
Udon Thani
Ban
Non Toom
Staff gage
+166.500 m. (MSL.)
B.M.- Highways Dept.
On right bank downstream side at the footpath of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic means of 3 readings.
2004 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+172.486 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2004 to date
-
2004 to date
Fairly stable.
Overbank flow starts at elevation +170.750 m.(MSL.), records are channel flow only.
Records good. Stage-discharge relation defined by 31 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
167.55
167.01
167.13
167.60
171.04
171.19
171.09
167.83
167.04
167.09
166.99
167.23
2
167.52
167.32
167.09
167.62
171.28
171.19
171.07
167.99
167.04
167.05
166.99
167.20
3
167.47
167.78
167.05
167.69
171.39
171.20
171.11
167.55
167.01
166.99
166.99
167.19
4
167.43
167.73
167.42
167.90
171.43
171.20
171.15
167.24
166.97
166.95
166.99
167.20
5
167.42
167.49
167.72
168.04
171.43
171.19
171.17
167.20
166.96
166.96
166.97
167.20
6
167.40
167.20
167.91
167.83
171.39
171.21
171.16
167.21
166.95
166.96
166.95
167.21
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
167.40
167.15
168.49
167.56
171.34
171.24
171.15
167.19
166.95
166.95
166.95
167.24
8
167.38
167.08
169.62
167.35
171.24
171.28
171.10
167.15
166.94
166.95
166.95
167.27
9
167.35
167.04
170.18
167.17
171.05
171.38
171.04
167.08
166.95
166.94
166.95
167.28
10
167.35
167.01
170.04
167.11
170.85
171.48
170.88
167.20
166.95
166.94
166.95
167.35
11
167.27
166.99
169.41
167.20
170.64
171.52
170.69
167.65
166.95
166.94
166.96
167.57
12
167.25
166.98
168.45
167.10
170.39
171.48
170.49
168.67
166.94
166.93
166.98
167.95
13
167.22
166.99
168.01
167.10
170.04
171.46
170.34
168.18
166.90
166.93
166.99
168.59
14
167.17
166.98
167.86
167.09
169.53
171.47
169.94
167.36
166.90
166.93
167.00
167.91
15
167.16
167.00
167.73
167.10
169.32
171.61
169.60
167.23
166.94
166.93
167.05
167.67
16
167.12
166.98
167.57
167.21
169.65
171.95
169.50
167.19
167.03
166.92
167.07
167.66
17
167.11
166.96
167.46
167.30
170.08
172.01
169.75
167.17
167.04
166.93
167.04
167.58
18
167.17
167.07
167.36
167.35
170.57
171.90
169.89
167.15
167.02
166.93
167.01
167.50
19
167.16
167.19
167.31
167.40
170.86
171.74
169.83
167.13
167.01
166.93
167.05
167.41
20
167.16
167.66
167.24
167.36
171.13
171.64
169.46
167.11
167.05
166.93
167.08
167.33
21
167.17
167.87
167.15
167.40
171.23
171.55
168.91
167.09
167.10
166.90
167.06
167.23
22
167.14
167.61
167.09
167.66
171.31
171.51
168.68
167.08
167.17
166.90
167.08
167.16
23
167.10
167.60
167.07
167.68
171.32
171.45
168.53
167.07
167.15
166.90
167.09
167.14
24
167.10
167.56
167.21
168.06
171.28
171.38
168.43
167.05
167.11
166.91
167.09
167.14
25
167.10
167.58
167.54
167.55
171.21
171.32
168.42
167.08
167.14
166.91
167.12
167.14
26
167.03
168.00
167.48
168.18
171.07
171.27
168.28
167.06
167.13
166.90
167.16
167.10
27
167.00
167.79
167.56
168.29
171.01
171.16
167.95
167.06
167.12
166.91
167.20
167.09
28
166.98
167.56
167.54
168.35
171.04
171.09
167.78
167.06
167.13
166.91
167.23
167.10
29
166.96
167.39
167.56
169.68
171.11
171.08
167.58
167.04
167.10
166.91
167.25
167.14
30
166.96
167.22
167.59
169.47
171.17
171.08
167.45
167.04
167.10
166.91
167.18
31
167.16
170.28
171.19
167.39
167.10
166.95
167.13
----------
--------------
Mean
167.22
167.32
167.83
167.76
170.89
171.41
169.67
167.30
167.03
166.94
167.04
167.36
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Max
167.55
168.00
170.18
170.28
171.43
172.01
171.17
168.67
167.17
167.09
167.25
168.59
172.01
Min
166.96
166.96
167.05
167.09
169.32
171.08
167.39
167.04
166.90
166.90
166.95
167.09
166.90
172.03
m. (MSL.) ,
166.50
m. (MSL.) ,
River Bed 166.59
m. (MSL)
170.74
m. (MSL.) ,
170.87
m. (MSL.) ,
Drainage Area 1235 Square Kilometers
at 03.00 Hours , on Sep 17 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation