Basic HTML Version
74
Location : on right bank about 500 meters north of Ban Nong O from about 600 meters upstream from E.32 gaging station.
2,867
sq.km.
Drainge Area
WATER YEAR : 2011
CHI RIVER BASIN
Chi River at Ban Nong O , Chaiyaphum (E.32A)
Lat 15 - 54 - 41 N Long 101 - 42 - 42 E
Amphoe
Ban Khwao
Changwat
Chaiyaphum
Ban
Nong O
Water - stage recorder
+198.000 m. (MSL.)
B.M.- H.D.
On right bank at the measuring line.
Elevation
Recording
Arithmetic means of 24 readings
1966 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+211.424 m. (MSL.)
Bench Mark
Type of Gage
1968 to date
-
1968 to date
Fairly stable.
No overbank flow
Records good. Stage-discharge relation defined by 25 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
198.78
199.33
200.87
200.43
202.05
204.09
208.29
200.73
199.60
199.17
199.10
198.92
2
198.85
199.47
200.86
200.40
205.19
202.95
206.63
200.69
199.58
199.13
199.09
198.96
3
198.79
199.27
202.20
200.43
206.48
202.62
205.48
200.67
199.56
199.12
199.09
198.97
4
198.76
199.09
202.22
200.26
207.13
202.51
206.57
200.64
199.54
199.10
199.10
198.97
5
198.75
199.02
201.14
199.86
207.32
202.40
206.55
200.55
199.52
199.07
199.13
198.98
6
198.73
198.96
200.35
199.51
204.76
202.78
205.82
200.47
199.50
199.06
199.23
198.95
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
198.85
199.39
200.00
199.33
202.49
203.70
205.38
200.44
199.48
199.04
199.14
198.91
8
199.04
199.17
199.78
199.21
201.69
205.12
204.25
200.46
199.46
199.04
199.12
198.90
9
198.96
199.09
199.67
199.16
201.70
204.35
203.45
200.51
199.44
199.04
199.12
198.90
10
198.94
199.03
199.47
199.10
203.31
205.62
203.42
200.49
199.42
199.03
199.09
198.91
11
198.89
199.01
199.28
199.16
202.68
207.48
203.32
200.47
199.43
199.02
199.06
198.98
12
198.85
199.03
199.40
199.32
201.82
208.58
202.92
200.44
199.41
199.02
199.06
199.08
13
198.82
199.01
199.22
199.28
201.40
209.29
202.73
200.39
199.40
199.00
199.06
199.14
14
198.81
198.98
199.12
199.44
201.19
210.38
202.73
200.32
199.39
199.01
199.04
199.02
15
198.82
199.19
199.08
199.52
201.46
210.57
202.88
200.20
199.37
199.00
199.04
199.00
16
198.79
199.89
199.04
200.16
201.98
210.04
203.04
200.17
199.35
199.00
199.02
198.99
17
198.76
199.59
199.01
200.63
202.11
209.57
203.44
200.15
199.32
198.99
199.01
199.00
18
198.71
199.31
199.09
200.39
203.79
209.13
203.30
200.12
199.29
198.99
199.00
199.07
19
198.68
199.18
199.30
200.44
203.66
208.05
202.99
200.08
199.27
198.99
198.99
199.04
20
198.68
199.30
199.23
201.02
205.21
206.50
202.56
200.03
199.26
199.12
198.99
199.02
21
198.73
199.81
199.21
200.70
206.75
205.38
202.23
199.93
199.25
199.22
198.98
199.00
22
198.69
199.38
199.17
201.36
207.36
205.65
201.98
199.78
199.26
199.36
198.97
198.98
23
198.71
199.17
199.10
201.98
207.50
206.11
201.79
199.75
199.25
199.48
198.96
198.96
24
198.76
199.09
199.07
201.24
206.12
206.54
201.66
199.72
199.24
199.33
198.96
198.94
25
198.84
199.05
199.04
200.75
203.91
206.48
201.53
199.70
199.24
199.24
198.96
198.92
26
198.92
199.04
199.03
202.77
203.08
205.55
201.26
199.68
199.23
199.18
198.95
198.90
27
198.82
199.11
199.18
203.06
202.63
204.88
201.16
199.66
199.24
199.16
198.91
198.83
28
198.79
199.20
200.04
202.10
202.82
206.47
201.08
199.65
199.23
199.15
198.88
198.82
29
199.11
200.71
199.93
201.56
204.02
207.81
201.00
199.64
199.22
199.14
198.86
198.84
30
199.06
201.38
199.72
201.34
205.06
208.58
200.85
199.62
199.22
199.12
198.83
31
201.04
200.83
205.54
200.77
199.20
199.10
198.85
----------
--------------
Mean
198.82
199.40
199.73
200.48
203.94
206.31
203.26
200.17
199.36
199.11
199.03
198.95
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
199.11
201.38
202.22
203.06
207.50
210.57
208.29
200.73
199.60
199.48
199.23
199.14
210.57
Min
198.68
198.96
199.01
199.10
201.19
202.40
200.77
199.62
199.20
198.99
198.86
198.82
198.68
210.78
m. (MSL.) ,
198.00
m. (MSL.) ,
River Bed 196.90
m. (MSL)
211.17
m. (MSL.) ,
211.19
m. (MSL.) ,
Drainage Area 2867 Square Kilometers
at 23.00 Hours, on Sep 14, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation