Basic HTML Version
104
Location : on left bank at Ban Wang Hin.
7,068
sq.km.
WATER YEAR : 2011
CHI RIVER BASIN
Lam Pao at Ban Wang Hin , Kalasin (E.87)
Lat 16 - 20 - 26 N Long 103 - 34 - 36 E
Drainge Area
Amphoe
Kamalasai
Changwat
Kalasin
Ban
Wang Hin
Staff gage
+128.900 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
2004 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+140.068 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2004 to date
-
2004 to date
Rather unstable because of backwater effect.
Overbank flow starts at elevation +135.760 m.(MSL.), records are channel flow only.
Records fair. Stage-discharge relation defined by 29 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
131.56
130.89
130.69
130.49
133.51
135.58
138.00
135.58
133.09
132.70
131.88
132.85
2
131.56
130.82
130.75
130.52
133.69
135.47
138.01
135.53
132.79
132.73
131.86
132.68
3
131.46
130.76
130.42
130.63
133.86
135.03
138.01
135.49
132.59
132.74
131.87
132.60
4
131.45
130.85
130.37
130.83
134.00
134.51
138.01
135.43
132.52
132.68
131.87
132.60
5
131.40
131.37
130.52
130.84
134.17
134.56
138.03
135.38
132.46
132.64
131.87
132.60
6
131.34
131.58
130.68
130.78
134.20
134.62
138.05
135.32
132.48
132.64
131.87
132.60
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
131.34
131.61
130.92
130.73
134.21
134.71
138.06
135.26
132.45
132.63
131.87
132.60
8
131.33
131.66
130.98
130.67
134.20
134.85
138.05
135.21
132.34
132.64
131.87
132.51
9
131.38
131.86
130.95
130.76
134.30
135.00
138.04
135.15
132.38
132.61
131.87
132.51
10
131.47
131.86
130.81
131.41
134.52
135.16
138.01
135.10
132.40
132.59
131.76
132.50
11
131.46
131.83
130.71
131.62
134.78
135.41
137.91
135.13
132.46
132.57
131.45
132.51
12
131.43
131.80
130.68
131.40
134.90
135.65
137.78
135.11
132.49
132.75
131.14
132.38
13
131.24
131.83
130.68
131.37
134.86
135.87
137.60
135.05
132.47
133.02
131.00
132.20
14
130.95
131.91
130.88
131.76
134.70
135.97
137.49
134.96
132.48
133.09
131.22
132.10
15
130.92
132.01
131.00
131.95
134.47
136.12
137.41
134.88
132.52
133.04
131.60
132.24
16
130.92
132.00
130.98
131.87
134.28
136.44
137.32
134.81
132.62
132.86
131.64
132.47
17
130.92
131.95
130.74
131.76
134.16
136.57
137.26
134.76
132.69
132.74
132.61
132.03
18
130.92
131.93
130.56
131.64
134.17
136.63
137.22
134.68
132.70
132.73
132.67
131.87
19
130.94
131.92
130.52
131.30
134.31
136.65
137.14
134.64
132.68
132.74
132.63
131.72
20
131.10
132.06
130.80
131.12
134.48
136.67
137.08
134.65
132.62
132.84
132.59
131.70
21
131.44
132.23
131.32
131.07
134.51
136.71
136.91
134.65
132.60
133.40
132.50
131.65
22
131.48
132.19
130.95
131.27
134.68
136.81
136.70
134.65
132.61
133.58
132.53
131.54
23
131.46
132.06
130.59
131.87
134.91
137.01
136.50
134.60
132.64
133.59
132.58
131.21
24
131.44
131.92
130.47
132.08
134.94
137.23
136.30
134.54
132.66
133.37
132.60
131.20
25
131.43
131.82
130.45
132.33
134.97
137.45
136.17
134.33
132.64
132.99
132.58
131.19
26
131.45
131.77
130.45
132.72
135.00
137.63
136.03
134.21
132.64
132.47
132.55
131.18
27
131.47
131.75
130.44
132.95
134.99
137.75
135.91
134.06
132.64
132.21
132.54
131.18
28
131.48
131.75
130.44
133.15
134.98
137.89
135.81
133.83
132.62
132.09
132.67
131.14
29
131.46
131.75
130.43
133.24
134.98
137.89
135.72
133.62
132.66
132.05
132.82
131.00
30
131.49
131.71
130.44
133.28
135.23
137.94
135.69
133.45
132.68
131.99
130.93
31
131.12
133.31
135.54
135.63
132.69
131.89
130.88
----------
--------------
Mean
131.32
131.70
130.69
131.64
134.53
136.19
137.16
134.80
132.59
132.73
132.09
131.95
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
131.56
132.23
131.32
133.31
135.54
137.94
138.06
135.58
133.09
133.59
132.82
132.85
138.06
Min
130.92
130.76
130.37
130.49
133.51
134.51
135.63
133.45
132.34
131.89
131.00
130.88
130.37
138.06
m. (MSL.) ,
128.90
m. (MSL.) ,
River Bed 129.30
m. (MSL)
135.76
m. (MSL.) ,
136.00
m. (MSL.) ,
Drainage Area 7068 Square Kilometers
at 03.00 Hours, on Oct 7, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation