Basic HTML Version
138
Location : on left bank at the bridge on Highway.
28,458 sq.km.
Drainge Area
WATER YEAR : 2011
MUN RIVER BASIN
Lam Sieo Yai at Ban Ku, Roi Et. (M.95)
Lat 15 - 34 - 12 N Long 103 - 49 - 27 E
Amphoe
Suwannaphum
Changwat
Roi Et
Ban
Ku
Staff gage
+118.100 m. (MSL.)
B.M.-H.D.
On left bank near the gage site.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic means of 3 readings
1978 - 1989, 2005 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+124.511 m. (MSL.)
Bench Mark
Type of Gage
1978 - 1989, 2005 to date
-
1978 - 1989, 2005 to date
Fairly stable
No overbank flow
Records fair. Stage-discharge relation defined by 9 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
119.04
118.66
119.00
119.20
119.49
121.00
122.45
122.17
120.78
120.57
120.45
120.05
2
119.00
118.66
119.01
119.22
119.63
120.94
122.49
122.13
120.83
119.88
120.44
120.03
3
118.97
118.65
119.02
119.23
119.68
120.90
122.52
122.09
120.79
120.54
120.43
120.01
4
118.94
118.71
119.04
119.27
119.71
120.90
122.53
122.05
120.76
120.52
120.42
120.00
5
118.90
118.72
119.06
119.27
119.74
120.91
122.50
122.00
120.73
120.52
120.41
119.98
6
118.90
118.72
119.07
119.26
119.75
120.96
122.47
121.91
120.71
120.52
120.40
119.96
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
118.89
118.72
119.06
119.25
119.75
121.05
122.45
121.87
120.70
120.51
120.39
119.95
8
118.65
118.72
119.06
119.25
119.76
121.21
122.42
121.80
120.70
120.50
120.38
119.95
9
118.87
118.73
119.05
119.25
119.78
121.22
122.41
121.72
120.69
120.49
120.37
119.94
10
118.85
118.73
119.06
119.26
119.79
121.38
122.38
121.65
120.68
120.48
120.36
119.93
11
118.83
118.72
119.06
119.27
119.80
121.65
122.36
121.54
120.68
120.47
120.33
119.90
12
118.82
118.71
119.05
119.27
119.80
121.74
122.34
121.48
120.67
120.45
120.32
119.89
13
118.80
118.76
119.04
119.26
119.79
121.79
122.32
121.44
120.66
120.44
120.31
119.88
14
118.79
118.88
119.03
119.28
119.75
121.83
122.32
121.37
120.65
120.43
120.30
119.86
15
118.78
118.92
119.03
119.28
119.77
121.90
122.31
121.31
120.64
120.42
120.29
119.84
16
118.78
118.92
119.02
119.30
119.84
121.96
122.30
121.22
120.63
120.42
120.26
119.83
17
118.77
118.93
119.02
119.30
119.91
121.99
122.30
121.05
120.63
120.42
120.24
119.81
18
118.74
118.93
119.02
119.30
119.97
122.01
122.31
120.90
120.62
120.42
120.21
119.80
19
118.75
118.93
119.05
119.29
120.13
122.02
122.30
120.77
120.62
120.42
120.20
119.80
20
118.76
118.94
119.20
119.29
120.33
122.03
122.30
121.07
120.62
120.41
120.17
119.78
21
118.74
118.95
119.24
119.29
120.61
122.05
122.30
121.13
120.62
120.41
120.16
119.78
22
118.74
118.94
119.20
119.30
120.70
122.12
122.30
121.13
120.63
120.41
120.15
119.77
23
118.73
118.95
119.20
119.30
120.94
122.16
122.30
121.09
120.63
120.46
120.14
119.76
24
118.72
118.96
119.21
119.30
120.97
122.21
122.30
121.01
120.62
120.45
120.13
119.75
25
118.72
118.96
119.21
119.32
120.98
122.25
122.32
120.96
120.61
120.44
120.11
119.73
26
118.70
118.97
119.21
119.35
121.03
122.29
122.32
120.95
120.61
120.45
120.10
119.72
27
118.69
118.96
119.22
119.38
121.03
122.33
122.30
120.91
120.60
120.46
120.08
119.70
28
118.68
118.96
119.21
119.41
120.96
122.37
122.29
120.85
120.58
120.46
120.07
119.69
29
118.67
118.95
119.21
119.44
120.95
122.40
122.28
120.84
120.58
120.45
120.06
119.67
30
118.66
118.95
119.21
119.43
120.96
122.42
122.24
120.80
120.57
120.45
119.66
31
118.99
119.46
121.00
122.19
120.56
120.44
119.64
----------
--------------
Mean
118.80
118.85
119.10
119.30
120.20
121.73
122.35
121.37
120.66
120.44
120.26
119.84
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Max
119.04
118.99
119.24
119.46
121.03
122.42
122.53
122.17
120.83
120.57
120.45
120.05
122.53
Min
118.65
118.65
119.00
119.20
119.49
120.90
122.19
120.77
120.56
119.88
120.06
119.64
118.65
122.55
m. (MSL.) ,
118.10
m. (MSL.) ,
River Bed 117.39
m. (MSL)
124.29
m. (MSL.) ,
123.93
m. (MSL.) ,
Drainage Area 28458 Square Kilometers
at 06.00 Hours , on Oct 4, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation