Basic HTML Version
170
Location : on right bank at the bridge.
3,881
sq.km.
WATER YEAR : 2011
MUN RIVER BASIN
Lam Sa Bai at Ban Tha Wari, Ubon Ratchathani (M.179)
Lat 15 - 19 - 34 N Long 104 - 41 - 08 E
Amphoe
Khueang Nai
Changwat
Ubon Ratchathani
Ban
Tha Wari
Drainge Area
Staff gage
+106.340 m. (MSL.)
B.M.-H.D.
On right bank 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
2003 to date
+119.161 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
2003 to date
-
2003 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 20 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
108.32
108.28
109.06
110.32
110.94
114.87
115.25
115.68
111.72
108.31
108.26
108.61
2
108.31
108.30
109.07
110.32
110.84
114.75
115.22
115.63
111.64
108.31
108.25
108.61
3
108.31
108.34
109.09
110.32
110.59
114.72
115.18
115.58
111.27
108.31
108.25
108.61
4
108.31
108.39
109.09
110.32
110.35
114.66
115.10
115.53
110.98
108.31
108.25
108.61
5
108.31
108.47
109.08
110.32
110.13
114.58
115.06
115.49
110.71
108.31
108.24
108.59
6
108.31
108.47
109.06
110.32
110.85
114.50
114.99
115.42
110.48
108.33
108.24
108.59
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
108.32
108.43
109.09
110.32
110.96
114.47
114.93
115.28
110.02
108.33
108.24
108.72
8
108.32
108.41
109.09
110.32
111.10
114.48
114.92
115.23
109.30
108.33
108.23
108.72
9
108.31
108.41
109.09
110.32
110.97
114.45
114.79
115.20
109.11
108.33
108.20
108.72
10
108.31
108.41
109.09
110.31
111.19
114.47
114.73
115.07
108.92
108.33
108.20
108.72
11
108.31
108.38
109.09
110.29
112.35
114.52
114.72
114.87
108.76
108.34
108.20
108.72
12
108.31
108.37
109.09
110.29
111.53
114.55
114.74
114.77
108.71
108.33
108.20
108.72
13
108.31
108.35
109.17
108.70
111.86
114.62
114.80
114.65
108.65
108.32
108.17
108.72
14
108.31
108.34
109.64
108.95
112.17
114.68
114.85
114.55
108.55
108.30
108.17
108.72
15
108.31
108.37
109.98
109.19
112.89
114.85
114.86
114.40
108.42
108.29
108.18
108.72
16
108.28
108.38
110.18
109.44
113.33
115.00
114.99
114.28
108.42
108.29
108.21
108.72
17
108.20
108.35
110.28
109.68
113.92
115.14
115.12
113.98
108.42
108.29
108.36
108.72
18
108.16
108.42
110.29
109.92
114.07
115.27
115.26
114.01
108.42
108.29
108.43
108.72
19
108.16
108.48
110.29
110.12
114.35
115.35
115.33
113.83
108.39
108.29
108.49
108.72
20
108.16
108.50
110.30
110.15
114.51
115.46
115.07
113.60
108.37
108.34
108.52
108.72
21
108.19
108.52
110.34
110.19
114.61
115.54
115.50
113.45
108.37
108.34
108.54
108.72
22
108.24
108.52
110.34
110.19
114.67
115.59
115.60
113.30
108.34
108.30
108.52
108.72
23
108.24
108.53
110.34
110.06
114.69
115.64
115.67
113.22
108.30
108.28
108.49
108.58
24
108.24
108.54
110.29
109.89
114.70
115.65
115.74
112.92
108.30
108.28
108.49
108.46
25
108.24
108.55
110.30
109.97
114.77
115.59
115.78
112.77
108.30
108.27
108.49
108.46
26
108.24
108.65
110.31
110.31
114.87
115.53
115.81
112.57
108.30
108.27
108.49
108.44
27
108.26
108.90
110.31
110.51
114.91
115.56
115.84
112.41
108.28
108.27
108.49
108.44
28
108.29
109.04
110.31
110.65
114.94
115.50
115.80
112.25
108.28
108.27
108.52
108.44
29
108.29
109.04
110.31
110.77
114.96
115.44
115.79
112.07
108.31
108.27
108.61
108.44
30
108.29
109.06
110.32
110.90
114.96
115.31
115.76
111.78
108.31
108.27
108.44
31
109.06
110.97
114.95
115.73
108.31
108.27
108.44
----------
--------------
Mean
108.27
108.52
109.74
110.14
112.97
115.02
115.26
114.13
109.05
108.30
108.34
108.62
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Max
108.32
109.06
110.34
110.97
114.96
115.65
115.84
115.68
111.72
108.34
108.61
108.72
115.84
Min
108.16
108.28
109.06
108.70
110.13
114.45
114.72
111.78
108.28
108.27
108.17
108.44
108.16
115.84
m. (MSL.) ,
106.34
m. (MSL.) ,
River Bed 106.30
m. (MSL)
118.87
m. (MSL.) ,
119.69
m. (MSL.) ,
Drainage Area 3881 Square Kilometers
at 06.00 Hours, on Oct 27, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation