72
Location : on left bank about 75 meters upstream from the bridge on highway.
8,777
sq.km.
Drainge Area
WATER YEAR : 2012
CHI RIVER BASIN
Chi River at Ban Kaeng Ko , Chaiyaphum (E.21)
Lat 15 - 45 - 07 N Long 102 - 15 - 25 E
Amphoe
Mueang
Changwat
Chaiyaphum
Ban
Kaeng Ko
Staff gage
+164.980 m. (MSL.)
B.M.- H.D.
In front of the automatic gage buiding.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic mean of 3 readings
1955 - 1957 , 1967 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+177.385 m. (MSL.)
Bench Mark
Type of Gage
1968 - 1971 , 1973 - 1974 , 1982 to date
-
1968 - 1971 , 1973 - 1974 , 1982 to date
Fairly stable.
No overbank flow.
Records fair. The rubber weir situated about 2 kilometers downstream from the gage site.
Stage-discharge relation defined by 21 discharge measurements made in 2012.
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
165.95
166.15
168.30
167.47
167.74
168.16
172.99
167.65
167.73
167.60
167.98
165.89
2
165.95
166.13
168.62
167.47
167.94
168.19
172.90
167.63
167.75
167.56
167.87
165.89
3
165.95
166.10
168.83
167.48
168.08
168.20
172.78
167.60
167.78
167.52
167.78
165.89
4
165.95
166.07
168.85
167.47
168.08
168.25
172.66
167.58
167.78
167.46
167.57
165.87
5
165.95
166.05
168.77
167.42
167.91
168.43
172.55
167.55
167.77
167.36
167.32
165.82
6
165.95
166.04
168.76
167.37
167.73
168.65
172.46
167.52
167.74
167.31
167.22
165.81
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
165.96
166.03
168.74
167.36
167.64
169.00
172.31
167.47
167.71
167.28
167.09
165.76
8
165.96
166.03
168.56
167.39
167.57
169.31
172.12
167.44
167.69
167.33
166.92
165.70
9
165.97
166.02
168.31
167.38
167.54
169.69
171.94
167.41
167.68
167.38
166.77
165.70
10
166.00
166.02
168.25
167.40
167.57
170.18
171.76
167.37
167.67
167.46
166.69
165.71
11
166.01
166.03
168.36
167.43
167.47
170.53
171.59
167.32
167.66
167.49
166.61
165.73
12
166.02
166.04
168.53
167.45
167.17
170.70
171.41
167.25
167.65
167.52
166.54
165.75
13
166.03
166.05
168.49
167.49
167.44
171.02
171.24
167.17
167.63
167.56
166.50
165.74
14
166.04
166.06
168.19
167.63
167.55
171.28
171.10
167.13
167.62
167.60
166.49
165.60
15
166.05
166.07
167.90
167.69
167.47
171.62
170.92
167.15
167.61
167.63
166.47
165.61
16
166.06
166.34
167.74
167.82
167.23
171.88
170.73
167.20
167.60
167.66
166.42
165.63
17
166.07
166.66
167.64
167.83
167.09
172.02
170.50
167.25
167.59
167.70
166.39
165.65
18
166.08
166.78
167.59
167.83
166.96
172.17
170.24
167.30
167.58
167.74
166.36
165.64
19
166.09
166.73
167.60
167.81
166.88
172.35
169.97
167.35
167.57
167.78
166.31
165.54
20
166.10
166.78
167.53
167.78
166.84
172.54
169.61
167.40
167.55
167.83
166.26
165.55
21
166.11
167.21
167.42
167.71
166.78
172.76
169.13
167.44
167.54
167.88
166.25
165.53
22
166.13
167.58
167.49
167.60
166.74
172.94
168.64
167.48
167.53
167.91
166.22
165.50
23
166.14
167.24
167.51
167.55
166.78
173.08
168.26
167.52
167.52
167.94
166.17
165.45
24
166.15
167.19
167.48
167.57
166.88
173.16
167.97
167.55
167.51
167.97
166.12
165.43
25
166.16
167.25
167.48
167.58
166.81
173.20
167.72
167.58
167.52
167.99
166.04
165.41
26
166.17
167.24
167.49
167.57
166.81
173.23
167.60
167.61
167.53
168.01
165.92
165.41
27
166.18
167.33
167.47
167.58
167.10
173.24
167.63
167.66
167.52
168.03
165.90
165.40
28
166.19
167.51
167.50
167.60
167.52
173.21
167.66
167.69
167.54
168.03
165.89
165.40
29
166.18
167.59
167.49
167.60
167.75
173.16
167.66
167.72
167.56
168.01
165.39
30
166.17
167.73
167.48
167.61
167.99
173.09
167.60
167.74
167.58
168.00
165.38
31
167.96
167.62
168.13
167.62
167.59
168.00
165.37
----------
--------------
Mean
166.06
166.65
168.01
167.57
167.39
171.17
170.30
167.46
167.62
167.69
166.65
165.62
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
166.19
167.96
168.85
167.83
168.13
173.24
172.99
167.74
167.78
168.03
167.98
165.89
173.24
Min
165.95
166.02
167.42
167.36
166.74
168.16
167.60
167.13
167.51
167.28
165.89
165.37
165.37
173.24
m. (MSL.) ,
164.98
m. (MSL.) ,
River Bed 163.21
m. (MSL)
176.27
m. (MSL.) ,
175.76
m. (MSL.) ,
Drainage Area 8777 Square Kilometers
at 24.00 Hours, on Sep 26, 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation