98
i
l f b k h b id hi h
WATER YEAR : 2013
CHI RIVER BASIN
Lam Pao at Ban Tha Hai , Udon Thani (E.65)
Lat 16 - 57 - 02 N Long 103 - 10 - 16 E
Locat on : on e t an at t e r ge on g way.
2,149
sq.km.
Water - stage recorder
+158.990 m. (MSL.)
B.M.- Highways Dept.
On left bank at the abutment of the bridge.
Elevation
Recording
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+169.494 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Si That
Changwat
Udon Thani
Ban
Tha Hai
Arithmetic mean of 24 readings
1983 to date
1983 to date
-
1983 to date
Stable.
No overbank flow.
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Records fair. Flow effected by Lam Pao Dam.
Stage-discharge relation defined by 14 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
159.96
159.88
161.06
161.16
163.39
160.59
164.69
162.84
161.57
161.10
160.35
159.92
2
159.95
159.88
161.09
161.14
163.16
160.47
164.48
163.04
161.56
161.08
160.32
159.92
3
159.95
159.88
161.10
161.12
162.95
160.38
164.26
163.04
161.55
161.07
160.29
159.93
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
159.94
159.88
161.12
161.11
162.61
160.32
164.03
162.95
161.54
161.06
160.27
159.94
5
159.94
159.88
161.16
161.10
162.37
160.28
163.45
162.87
161.54
161.05
160.25
159.95
6
159.93
159.88
161.21
161.09
162.76
160.64
162.55
162.77
161.53
161.03
160.23
159.96
7
159.93
159.89
161.23
161.09
163.00
160.99
162.15
162.63
161.52
161.00
160.21
159.96
8
159.92
159.92
161.22
161.11
163.39
160.93
162.02
162.42
161.51
160.97
160.19
159.97
9
159.92
159.95
161.22
161.14
163.55
160.82
161.98
162.09
161.51
160.94
160.16
159.98
10
159.92
159.98
161.22
161.22
163.66
161.53
161.94
161.78
161.50
160.90
160.14
159.99
11
159.92
160.05
161.24
161.29
163.86
163.38
161.92
161.69
161.50
160.87
160.12
160.00
12
159 91
160 07
161 26
161 34
163 99
163 85
161 89
161 67
161 49
160 85
160 09
160 01
.
.
.
.
.
.
.
.
.
.
.
.
13
159.91
160.05
161.28
161.45
163.99
164.14
161.87
161.68
161.49
160.83
160.07
160.01
14
159.90
160.02
161.29
161.56
164.01
164.15
161.84
161.68
161.49
160.81
160.05
160.01
15
159.90
159.99
161.28
161.64
163.72
163.59
161.81
161.67
161.49
160.79
160.03
160.01
16
159.90
159.98
161.28
161.67
163.54
163.40
161.81
161.66
161.49
160.76
160.00
160.01
17
159.90
160.06
161.27
161.81
162.97
163.84
161.89
161.64
161.48
160.73
159.98
160.01
18
159.90
160.23
161.25
161.85
162.29
164.06
161.94
161.64
161.47
160.69
159.95
160.01
19
159.90
160.30
161.24
161.85
161.82
164.05
161.94
161.63
161.45
160.64
159.93
160.01
20
159.90
160.35
161.24
161.95
161.53
164.01
161.93
161.63
161.44
160.61
159.92
160.01
21
159.90
160.38
161.23
162.27
161.20
164.14
161.89
161.62
161.43
160.59
159.90
160.01
22
159.90
160.43
161.23
162.46
160.92
164.57
161.84
161.61
161.41
160.57
159.89
160.01
23
159.90
160.54
161.23
162.69
160.72
164.47
161.79
161.60
161.38
160.54
159.89
160.01
24
159.89
160.60
161.23
162.95
160.59
163.83
161.76
161.59
161.36
160.50
159.89
160.01
25
159.89
160.65
161.22
163.30
160.53
162.94
161.73
161.59
161.35
160.47
159.89
160.01
26
159.89
160.70
161.21
163.03
160.45
163.02
161.92
161.59
161.33
160.44
159.90
160.01
27
159.89
160.79
161.21
162.89
160.48
164.42
162.59
161.59
161.30
160.41
159.91
160.01
28
159.88
160.83
161.19
162.67
160.60
164.99
162.75
161.59
161.27
160.40
159.92
160.01
29
159.88
160.85
161.18
162.52
160.63
165.05
162.79
161.59
161.23
160.39
160.00
30
159.88
160.89
161.17
162.61
160.59
164.90
162.77
161.58
161.20
160.38
160.00
31
161.03
162.88
160.61
162.75
161.16
160.36
160.00
----------
--------------
Mean
159.91
160.25
161.21
161.87
162.25
162.93
162.42
161.97
161.44
160.74
160.06
159.99
Max
159.96
161.03
161.29
163.30
164.01
165.05
164.69
163.04
161.57
161.10
160.35
160.01
165.05
Min
159.88
159.88
161.06
161.09
160.45
160.28
161.73
161.58
161.16
160.36
159.89
159.92
159.88
165.07
m. (MSL.) ,
158.99
m. (MSL.) ,
River Bed 159.85
m. (MSL.)
166.28
m. (MSL.) ,
166.11
m. (MSL.) ,
Drainage Area 2149 Square Kilometers
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at 05.00 Hours, on Sep 29, 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation