Basic HTML Version
86
Location : on right bank at the bridge on highway.
2,647
sq.km.
WATER YEAR : 2011
CHI RIVER BASIN
Lam Nam Yang at Ban Kut Kwang , Roi Et (E.70)
Lat 16 - 17 - 14 N Long 104 - 00 - 34 E
Drainge Area
Amphoe
Phon Thong
Changwat
Roi Et
Ban
Kut Kwang
Staff gage
+132.120 m. (MSL.)
B.M.- Highways Dept.
On right bank at the abutment of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic means of 3 readings
1983 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+144.037 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1984 to date
-
1984 to date
Fairly stable.
Overbank flow starts at elevation +138.790 m.(MSL.), records are channel flow only.
Records good. Stage-discharge relation defined by 16 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
131.60
131.75
131.93
132.18
137.68
136.25
134.43
132.73
132.21
132.73
132.27
131.92
2
131.60
131.75
131.93
132.51
136.66
136.55
134.52
132.72
132.21
132.67
132.26
131.92
3
131.60
131.75
131.96
133.56
137.17
136.75
135.29
132.69
132.21
132.67
132.25
131.92
4
131.60
131.75
131.96
133.93
137.32
136.87
135.45
132.64
132.21
132.67
132.24
131.92
5
131.60
131.75
131.98
133.88
136.83
138.46
135.21
132.63
132.21
132.67
132.23
131.92
6
131.60
131.75
132.04
133.55
135.74
139.32
134.70
132.63
132.21
132.63
132.21
131.92
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
131.60
131.74
132.06
132.91
135.74
139.39
134.28
132.60
132.21
132.62
132.19
131.92
8
131.60
131.74
132.09
132.51
136.86
139.08
133.93
132.57
132.21
132.62
132.19
131.92
9
131.60
131.74
132.08
132.33
138.64
139.19
133.70
132.55
132.21
132.62
132.14
131.92
10
131.59
131.74
132.16
132.32
140.57
140.12
133.48
132.52
132.21
132.62
132.06
131.92
11
131.59
131.74
132.17
132.31
140.77
140.47
133.42
132.49
132.20
132.53
132.03
131.92
12
131.59
131.85
132.15
132.34
139.99
140.48
133.61
132.48
132.20
132.52
132.01
131.92
13
131.59
131.88
132.17
132.52
140.06
140.27
134.49
132.45
132.20
132.52
132.01
131.92
14
131.59
131.95
132.22
132.78
139.94
139.83
135.55
132.40
132.20
132.52
132.01
131.92
15
131.59
131.95
132.25
133.20
139.77
139.39
136.52
132.38
132.20
132.52
132.01
131.92
16
131.59
131.99
132.24
133.50
139.60
139.09
136.54
132.36
132.20
132.52
132.01
131.92
17
131.59
131.95
132.19
133.72
139.21
138.70
135.91
132.35
132.20
132.52
132.01
131.92
18
131.59
131.94
132.24
133.91
138.79
138.34
135.71
132.34
132.20
132.52
132.01
131.92
19
131.59
131.94
132.30
133.84
138.93
137.87
134.88
132.34
132.20
132.52
132.01
131.92
20
131.59
131.98
132.32
133.51
139.37
137.47
134.30
132.34
132.20
132.52
132.00
131.92
21
131.59
132.01
132.28
133.20
139.90
137.66
133.91
132.32
132.19
132.43
132.00
131.92
22
131.59
132.04
132.12
135.72
140.71
137.97
133.67
132.29
132.19
132.42
131.99
131.92
23
131.59
132.06
132.06
136.98
140.51
137.76
133.51
132.27
132.19
132.42
131.98
131.92
24
131.61
132.03
132.07
136.77
140.11
137.26
133.33
132.25
132.19
132.42
131.97
131.92
25
131.61
131.99
132.08
137.52
139.72
136.83
133.24
132.26
132.19
132.42
131.96
131.92
26
131.60
131.98
132.08
138.59
138.41
136.40
133.12
132.26
132.19
132.37
131.95
131.92
27
131.72
131.99
132.08
138.20
136.89
135.97
133.03
132.24
132.19
132.37
131.94
131.92
28
131.75
132.00
132.08
137.22
136.52
135.57
132.98
132.23
132.19
132.32
131.93
131.92
29
131.80
132.01
132.08
136.38
136.33
135.12
132.91
132.21
132.19
132.32
131.92
131.92
30
131.71
132.02
132.07
135.74
136.01
134.61
132.85
132.21
132.19
132.27
131.92
31
132.03
135.94
135.71
132.79
132.19
132.27
131.92
----------
--------------
Mean
131.62
131.90
132.11
134.31
138.40
137.97
134.23
132.43
132.20
132.51
132.06
131.92
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Max
131.80
132.06
132.32
138.59
140.77
140.48
136.54
132.73
132.21
132.73
132.27
131.92
140.77
Min
131.59
131.74
131.93
132.18
135.71
134.61
132.79
132.21
132.19
132.27
131.92
131.92
131.59
140.92
m. (MSL.) ,
132.12
m. (MSL.) ,
River Bed 129.70
m. (MSL)
140.36
m. (MSL.) ,
138.78
m. (MSL.) ,
Drainage Area 2647 Square Kilometers
at 12.00 Hours, on Aug 22, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation