Basic HTML Version
78
Location : on right bank at Ban Tha Sa Bang.
41,187 sq.km.
WATER YEAR : 2014
CHI RIVER BASIN
Chi River at Ban Tha Sa Baeng , Roi Et (E.18)
Lat 16 - 01 - 59 N Long 103 - 54 - 41 E
Drainge Area
Amphoe
Thung Khao Luang
Changwat
Roi Et
Ban
Tha Sa Baeng
Staff gage
+122.240 m. (MSL.)
B.M.- H.D.
On right bank at the abutment of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic mean of 3 readings
1954 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+132.496 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1974 to date
-
1974 to date
Rather unstable.
No overbank flow.
Records fair. Stage-discharge relation defined by 58 discharge measurements made in 2014.
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
123.03
125.08
122.82
124.17
126.28
128.29
129.45
125.99
124.67
124.33
123.18
124.20
2
123.00
125.53
122.96
124.64
126.30
128.46
129.17
125.79
124.71
124.30
123.15
124.30
3
123.02
125.59
123.14
125.03
126.40
128.69
128.74
125.57
124.72
124.26
123.13
124.33
4
123.05
125.48
123.27
125.09
126.48
128.99
128.26
125.38
124.81
124.22
123.09
124.28
5
123.10
125.07
123.32
124.78
126.62
129.19
127.79
125.16
124.86
124.17
123.03
124.23
6
123.29
124.83
123.26
124.38
126.92
129.25
127.32
124.94
124.88
124.10
122.94
124.18
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
123.49
124.65
123.47
124.29
127.10
129.26
126.93
124.99
124.90
124.05
122.84
124.18
8
123.68
124.52
123.46
124.11
127.22
129.17
126.73
125.23
124.95
124.00
122.75
124.18
9
124.05
124.29
123.33
123.84
127.12
128.92
126.50
125.25
124.98
123.97
122.67
124.20
10
124.52
124.06
123.22
123.76
126.79
128.60
126.16
125.27
124.99
123.89
122.63
124.23
11
124.37
123.99
123.20
124.19
126.38
128.41
125.88
125.24
124.97
123.81
122.65
124.26
12
124.18
124.12
123.16
124.33
125.83
128.49
125.72
125.29
124.97
123.74
122.70
124.30
13
124.08
123.96
123.09
124.28
125.32
128.69
125.64
125.15
124.97
123.67
122.70
124.34
14
124.20
123.88
123.03
124.14
124.87
128.70
125.52
124.94
124.97
123.62
122.68
124.37
15
124.26
123.89
123.04
124.10
124.45
128.50
125.40
124.96
124.97
123.56
122.67
124.39
16
124.31
123.90
123.02
124.22
124.08
128.19
125.29
125.18
124.96
123.49
122.67
124.40
17
124.38
123.93
122.94
124.73
123.83
127.85
125.18
125.32
124.94
123.41
122.76
124.42
18
124.53
123.84
123.04
125.19
123.68
127.46
125.15
125.26
124.93
123.33
122.93
124.52
19
124.57
123.64
123.36
125.24
123.59
127.10
125.17
125.19
124.92
123.25
123.06
124.75
20
124.41
123.56
123.42
125.15
123.73
126.83
125.26
125.18
124.88
123.19
123.22
124.80
21
124.38
123.59
123.64
125.26
123.95
126.72
125.27
125.05
124.83
123.19
123.53
124.84
22
124.34
123.45
123.76
125.55
124.22
126.73
125.16
124.79
124.79
123.16
123.74
124.82
23
124.34
123.54
123.76
125.94
124.35
126.96
125.07
124.59
124.72
123.11
123.75
124.79
24
124.39
123.66
123.77
126.58
124.41
127.31
125.12
124.54
124.60
123.11
123.87
124.80
25
124.50
123.50
123.71
126.98
124.46
127.84
125.09
124.54
124.56
123.11
123.98
124.79
26
124.42
123.37
123.57
126.95
124.81
128.54
125.76
124.40
124.55
123.11
124.04
124.75
27
124.34
123.26
123.54
126.77
125.47
129.07
125.90
124.25
124.56
123.11
124.07
124.78
28
124.17
123.08
123.57
126.61
125.95
129.41
126.06
124.19
124.53
123.15
124.11
124.81
29
124.28
122.97
123.73
126.57
126.38
129.60
126.06
124.47
124.48
123.22
124.81
30
124.83
122.88
123.87
126.49
127.71
129.61
125.98
124.57
124.42
123.23
124.78
31
122.81
126.43
128.10
126.08
124.37
123.20
124.76
----------
--------------
Mean
124.05
124.00
123.35
125.15
125.57
128.36
126.22
125.02
124.79
123.58
123.16
124.50
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
124.83
125.59
123.87
126.98
128.10
129.61
129.45
125.99
124.99
124.33
124.11
124.84
129.61
Min
123.00
122.81
122.82
123.76
123.59
126.72
125.07
124.19
124.37
123.11
122.63
124.18
122.63
129.64
m. (MSL.) ,
122.24
m. (MSL.) ,
River Bed 120.75
m. (MSL.)
135.03
m. (MSL.) ,
135.07
m. (MSL.) ,
Drainage Area 41187
Square Kilometers
at 01.00 Hours, on Sep 30, 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation