Basic HTML Version
88
Location : on left bank at Ban Chiang School.
323
sq.km.
Amphoe
Phak Di Chumphon
Changwat
Chaiyaphum
Ban
Chiang
WATER YEAR : 2011
CHI RIVER BASIN
Lam Chiang at Ban Chiang , Chaiyaphum (E.72)
Lat 16 - 01 - 26 N Long 101 - 30 - 12 E
Drainge Area
Staff gage
+234.120 m. (MSL.)
B.M.- Highways Dept.
On left bank downstream at the footpath of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic means of 3 readings
1984 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+243.534 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1987 to date
-
1987 to date
Rather unstable.
Overbank flow starts at elevation +238.790 m.(MSL.), records are channel flow only.
Records good. Stage-discharge relation defined by 34 discharge measurements made in 2011.
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
234.43
234.60
235.26
235.78
237.76
236.34
237.14
235.36
234.93
234.79
234.74
234.65
2
234.43
234.72
235.94
235.74
237.75
235.92
236.63
235.32
234.93
234.79
234.74
234.65
3
234.44
234.56
236.14
235.69
238.75
236.01
236.68
235.28
234.93
234.79
234.73
234.65
4
234.57
234.52
236.02
235.64
237.59
235.79
236.52
235.25
234.92
234.78
234.73
234.65
5
234.56
234.53
235.32
235.36
236.36
235.72
236.71
235.24
234.92
234.78
234.72
234.65
6
234.53
234.51
235.13
235.11
235.71
235.86
237.34
235.24
234.92
234.78
234.72
234.64
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
234.60
234.50
235.08
234.94
235.54
237.92
236.72
235.24
234.91
234.78
234.71
234.64
8
234.59
234.49
235.00
234.86
235.46
236.98
236.44
235.24
234.91
234.77
234.71
234.64
9
234.56
234.49
234.90
234.82
235.37
238.49
236.28
235.24
234.91
234.77
234.70
234.64
10
234.52
234.51
234.85
234.79
235.92
240.65
236.34
235.20
234.91
234.77
234.69
234.67
11
234.51
234.50
234.76
234.76
235.62
239.01
236.09
235.19
234.90
234.77
234.69
234.95
12
234.50
234.50
234.60
234.72
235.41
239.91
236.01
235.18
234.90
234.77
234.69
234.87
13
234.49
234.49
234.53
234.71
235.22
240.75
236.14
235.17
234.89
234.77
234.68
234.67
14
234.48
234.50
234.52
234.75
235.17
239.79
236.00
235.16
234.89
234.77
234.68
234.65
15
234.47
234.67
234.51
234.77
235.51
239.45
236.17
235.15
234.88
234.77
234.68
234.64
16
234.46
234.65
234.51
234.72
235.52
240.37
236.09
235.12
234.88
234.77
234.68
234.64
17
234.45
234.63
234.53
234.71
235.91
238.32
235.86
235.09
234.87
234.77
234.68
234.63
18
234.44
234.53
234.87
235.20
236.20
237.32
235.78
235.07
234.87
234.77
234.68
234.76
19
234.43
234.54
234.86
236.23
237.63
236.68
235.70
235.06
234.87
234.77
234.67
234.69
20
234.42
234.80
234.72
235.72
239.36
236.46
235.62
235.05
234.86
234.77
234.67
234.66
21
234.41
234.66
234.74
236.26
239.11
236.27
235.60
235.04
234.86
234.93
234.67
234.62
22
234.41
234.58
234.67
236.34
238.49
236.54
235.59
235.03
234.85
234.90
234.66
234.60
23
234.40
234.53
234.63
236.10
236.85
237.43
235.56
235.02
234.84
234.83
234.66
234.60
24
234.44
234.47
234.61
235.92
236.13
238.02
235.51
235.02
234.83
234.79
234.66
234.59
25
234.43
234.47
234.59
237.87
235.86
237.68
235.48
235.01
234.82
234.77
234.66
234.59
26
234.43
234.48
234.65
237.26
235.75
236.83
235.45
235.00
234.82
234.76
234.66
234.58
27
234.43
234.66
235.58
236.06
235.64
237.60
235.44
235.00
234.81
234.75
234.66
234.58
28
234.42
235.82
234.84
235.64
235.80
239.70
235.42
234.99
234.81
234.75
234.65
234.58
29
234.42
236.46
235.18
235.85
238.20
239.87
235.41
234.98
234.80
234.75
234.65
234.58
30
234.42
235.78
235.12
235.33
238.76
237.87
235.40
234.98
234.80
234.75
234.58
31
235.67
235.19
237.00
235.40
234.79
234.75
234.57
----------
--------------
Mean
234.47
234.74
234.96
235.51
236.62
237.85
236.02
235.13
234.87
234.78
234.69
234.65
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
234.60
236.46
236.14
237.87
239.36
240.75
237.34
235.36
234.93
234.93
234.74
234.95
240.75
Min
234.40
234.47
234.51
234.71
235.17
235.72
235.40
234.98
234.79
234.75
234.65
234.57
234.40
241.32
m. (MSL.) ,
234.12
m. (MSL.) ,
River Bed 234.02
m. (MSL)
242.95
m. (MSL.) ,
238.78
m. (MSL.) ,
Drainage Area 323 Square Kilometers
at 14.00 Hours, on Sep 13, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation