Basic HTML Version
76
Location : on left bank at the bridge on highway.
6,282
sq.km.
WATER YEAR : 2012
CHI RIVER BASIN
Chi River at Ban Khai , Chaiyaphum (E.23)
Lat 15 - 40 - 49 N Long 102 - 00 - 46 E
Amphoe
Mueang
Changwat
Chaiyaphum
Ban
Khai
Drainge Area
Water - stage recorder
+176.200 m. (MSL.)
B.M.- H.D.
On left bank about 20 meters from the automatic gage building.
Elevation
Recording
Arithmetic mean of 24 readings
1954 - 1956 , 1967 to date
+185.546 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
1968 - 1974 , 1982 to date
-
1968 - 1974 , 1982 to date
Fairly stable.
No overbank flow.
Records fair. The local weir situated about 50 meters downstream from the gage site.
Stage-discharge relation defined by 19 discharge measurements made in 2012.
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
179.13
178.97
182.12
179.99
181.73
182.61
183.75
180.93
180.59
180.15
179.57
179.86
2
179.10
178.96
182.16
179.90
181.50
182.58
183.61
180.93
180.56
180.15
179.60
179.93
3
179.07
178.93
182.24
179.85
181.11
182.45
183.40
180.89
180.56
180.13
179.62
179.92
4
179.03
178.91
182.26
179.81
180.74
182.44
183.13
180.84
180.57
180.10
179.66
179.91
5
179.00
178.89
181.91
179.78
180.53
182.59
182.87
180.78
180.54
180.10
179.69
179.89
6
178.98
179.04
181.58
179.80
180.39
182.97
182.70
180.73
180.51
180.09
179.70
179.86
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
178.95
179.17
181.44
179.81
180.26
183.25
182.62
180.70
180.48
180.08
179.69
179.79
8
178.91
179.14
181.33
179.80
180.22
183.37
182.64
180.69
180.49
180.06
179.69
179.73
9
178.87
179.14
181.20
179.79
180.23
183.54
182.81
180.71
180.49
180.07
179.68
179.71
10
178.82
179.40
181.47
179.80
180.23
183.68
182.86
180.75
180.50
180.07
179.67
179.71
11
178.86
179.77
181.76
179.85
180.48
183.85
183.01
180.74
180.47
180.05
179.65
179.71
12
179.51
179.96
181.65
180.02
181.19
184.01
183.13
180.74
180.43
180.04
179.69
179.70
13
179.47
179.94
181.29
180.29
181.46
184.21
183.11
180.78
180.39
180.03
179.73
179.66
14
179.28
179.84
180.95
180.43
181.18
184.39
182.99
180.75
180.37
180.02
179.75
179.62
15
179.23
179.66
180.74
180.51
180.79
184.54
182.83
180.71
180.36
179.99
179.75
179.58
16
179.23
179.57
180.61
180.46
180.62
184.68
182.67
180.68
180.36
179.97
179.74
179.55
17
179.22
179.61
180.48
180.60
180.49
184.81
182.49
180.64
180.34
179.97
179.73
179.53
18
179.21
179.67
180.40
180.68
180.37
184.91
182.27
180.63
180.31
179.96
179.72
179.61
19
179.20
180.09
180.38
180.51
180.29
184.89
182.00
180.61
180.29
179.93
179.71
179.93
20
179.17
180.58
180.36
180.37
180.22
184.79
181.80
180.58
180.29
179.91
179.70
179.86
21
179.14
180.75
180.35
180.29
180.18
184.63
181.63
180.56
180.28
179.89
179.69
179.80
22
179.13
180.60
180.30
180.27
180.21
184.51
181.49
180.54
180.24
179.85
179.68
179.79
23
179.15
180.42
180.27
180.25
180.23
184.45
181.38
180.52
180.19
179.83
179.66
179.78
24
179.13
180.12
180.26
180.32
180.14
184.37
181.29
180.50
180.17
179.82
179.64
179.79
25
179.11
180.00
180.22
180.36
180.13
184.27
181.21
180.46
180.18
179.79
179.63
179.79
26
179.09
179.99
180.19
180.25
180.66
184.16
181.13
180.44
180.18
179.74
179.61
179.79
27
179.07
180.11
180.09
180.22
181.27
184.05
181.08
180.45
180.15
179.69
179.59
179.80
28
179.06
180.32
179.95
180.22
182.26
183.97
181.02
180.47
180.14
179.66
179.66
179.93
29
179.03
180.42
180.01
180.27
182.59
183.90
180.98
180.61
180.15
179.65
179.97
30
179.01
180.43
180.01
180.35
182.44
183.86
180.94
180.64
180.17
179.61
179.91
31
180.65
181.08
182.47
180.92
180.16
179.58
179.72
----------
--------------
Mean
179.11
179.78
180.93
180.19
180.86
183.89
182.25
180.67
180.35
179.93
179.68
179.78
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Max
179.51
180.75
182.26
181.08
182.59
184.91
183.75
180.93
180.59
180.15
179.75
179.97
184.91
Min
178.82
178.89
179.95
179.78
180.13
182.44
180.92
180.44
180.14
179.58
179.57
179.53
178.82
184.92
m. (MSL.) ,
176.20
m. (MSL.) ,
River Bed 177.71
m. (MSL)
187.25
m. (MSL.) ,
185.63
m. (MSL.) ,
Drainage Area 6282 Square Kilometers
at 13.00 Hours, on Sep 18, 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation