100
i
i h b k h b id
WATER YEAR : 2013
CHI RIVER BASIN
Chi River at Ban Muang Lat , Roi Et (E.66A)
Lat 16 - 12 - 08 N Long 103 - 31 - 41 E
Locat on : on r g t an at t e r ge.
31,879 sq.km.
Staff gage
+126.900 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.
Amphoe
Chang Han
Changwat
Roi Et
Ban
Muang Lat
Gage Reading Frequency
Zero Gage at Bottom
+143.406 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Drainge Area
Arithmetic mean of 3 readings
1999 to date
1999 to date
-
1999 to date
Fairly stable.
No overbank flow.
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Records fair. Stage-discharge relation defined by 27 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
128.83
128.83
128.87
128.97
130.57
130.70
136.32
137.45
130.04
131.41
130.42
130.46
2
128.83
128.84
128.86
128.90
130.42
130.60
136.42
137.33
129.89
131.43
130.64
130.56
3
128.82
128.82
128.86
128.77
131.26
130.31
136.49
137.24
130.10
131.39
130.90
130.67
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
128.82
128.82
128.88
128.67
131.12
130.22
136.53
137.16
130.45
131.29
130.50
130.74
5
128.83
128.83
128.96
128.61
130.92
130.31
136.58
137.08
130.05
131.24
130.49
130.56
6
128.83
128.82
129.00
128.57
131.12
130.18
136.60
136.98
130.09
131.22
130.61
130.49
7
128.83
128.81
129.03
128.54
131.28
130.24
136.59
136.80
130.15
131.30
130.72
130.57
8
128.82
128.81
129.09
128.58
131.41
131.25
136.59
136.59
130.17
131.12
130.59
130.52
9
128.82
128.82
129.15
128.68
131.37
131.42
136.56
136.28
130.20
130.69
130.37
130.48
10
128.82
128.82
129.18
128.76
131.68
131.28
136.51
135.98
130.18
130.78
130.40
130.44
11
128.82
128.83
129.20
128.74
132.14
131.23
136.43
135.73
130.04
130.49
130.35
130.38
12
128 81
128 84
129 61
128 74
132 24
131 17
136 34
135 49
129 96
130 25
130 37
130 39
.
.
.
.
.
.
.
.
.
.
.
.
13
128.82
128.85
130.12
128.73
132.46
131.30
136.36
135.27
129.87
130.13
130.43
130.41
14
128.84
128.85
129.48
128.75
132.47
131.60
136.45
134.98
129.82
130.13
130.46
130.41
15
128.83
128.82
129.52
128.76
132.42
132.13
136.56
134.45
129.79
130.23
130.32
130.43
16
128.86
128.76
129.59
128.73
132.41
132.74
136.70
133.84
129.78
130.32
130.21
130.44
17
128.85
128.76
129.67
128.71
132.34
133.17
136.85
133.20
129.83
130.33
130.28
130.44
18
128.83
128.71
129.61
128.69
132.27
133.51
137.04
132.52
130.07
130.33
130.65
130.42
19
128.84
128.79
129.58
128.71
132.13
133.75
137.23
132.14
130.30
130.32
130.78
130.43
20
128.85
128.80
129.55
128.76
131.75
133.67
137.43
131.87
130.54
130.31
130.55
130.49
21
128.85
128.80
129.53
128.94
131.73
133.45
137.58
131.96
130.97
130.32
130.46
130.54
22
128.84
128.81
129.59
129.35
131.67
133.89
137.70
131.60
131.21
130.40
130.48
130.54
23
128.87
128.83
129.53
129.06
131.59
134.60
137.79
131.21
131.36
130.47
130.52
130.51
24
128.85
128.86
129.30
128.99
131.50
134.71
137.87
130.98
131.48
130.50
130.49
130.53
25
128.85
128.87
129.22
128.94
131.43
134.81
137.91
130.90
131.28
130.48
130.38
130.50
26
128.87
128.88
129.19
129.12
131.29
134.90
137.94
130.84
131.29
130.53
130.30
130.46
27
128.85
128.88
129.15
129.42
131.20
135.14
137.92
130.73
131.25
130.61
130.32
130.43
28
128.84
128.87
129.08
129.47
131.10
135.51
137.87
130.78
131.28
130.49
130.34
130.40
29
128.85
128.88
129.06
129.64
130.97
135.89
137.79
130.42
131.30
130.48
130.33
30
128.84
128.89
129.03
130.19
130.93
136.16
137.67
130.16
131.34
130.47
130.26
31
128.88
130.75
130.80
137.57
131.37
130.43
130.24
----------
--------------
Mean
128.84
128.83
129.28
128.98
131.55
132.66
137.04
133.93
130.50
130.64
130.48
130.47
Max
128.87
128.89
130.12
130.75
132.47
136.16
137.94
137.45
131.48
131.43
130.90
130.74
137.94
Min
128.81
128.71
128.86
128.54
130.42
130.18
136.32
130.16
129.78
130.13
130.21
130.24
128.54
137.95
m. (MSL.) ,
126.90
m. (MSL.) ,
River Bed 126.89
m. (MSL.)
138.51
m. (MSL.) ,
138.98
m. (MSL.) ,
Drainage Area 31879 Square Kilometers
at 12.00 Hours, on Oct 26, 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation
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