Basic HTML Version
122
Location : on right bank at the bridge.
3,359
sq.km.
Amphoe
Selaphum
Changwat
Roi Et
Ban
Tha Ngam
WATER YEAR : 2014
CHI RIVER BASIN
Lam Nam Yang at Ban Tha Ngam , Roi Et (E.92)
Lat 16 - 06 - 34 N Long 104 - 00 - 40 E
Drainge Area
Staff gage
+124.500 m. (MSL.)
B.M.- Highways Dept.
On right bank at the footpath of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic mean of 3 readings
2007 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+136.964 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
2007 to date
-
2007 to date
Rather unstable.
No overbank flow.
Records fair. Stage-discharge relation defined by 14 discharge measurements made in 2014.
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
124.93
124.93
126.17
128.00
134.15
132.01
132.01
127.73
127.70
127.70
127.68
127.52
2
124.93
124.93
126.23
128.66
133.94
132.39
131.76
127.77
127.70
127.70
127.68
127.51
3
124.93
124.93
126.25
129.08
133.37
132.73
131.52
127.79
127.70
127.70
127.68
127.50
4
124.93
124.93
126.26
128.94
132.71
132.95
131.06
127.80
127.70
127.70
127.68
127.49
5
124.93
124.93
126.27
128.40
133.00
132.91
130.59
127.80
127.70
127.70
127.68
127.47
6
124.93
124.93
126.28
127.78
133.59
132.84
130.25
127.80
127.70
127.70
127.67
127.46
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Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
124.93
124.94
126.30
127.35
133.54
132.71
129.95
127.80
127.70
127.70
127.67
127.46
8
124.93
125.01
126.28
127.14
133.42
132.65
129.47
127.79
127.70
127.70
127.67
127.44
9
124.93
125.21
126.28
127.39
133.08
132.78
129.03
127.79
127.70
127.70
127.67
127.43
10
124.93
125.42
126.29
128.10
132.87
132.88
128.59
127.78
127.70
127.70
127.67
127.43
11
124.93
125.64
126.30
128.77
132.33
133.03
128.48
127.78
127.70
127.69
127.67
127.42
12
124.93
125.91
126.32
128.78
131.79
133.28
128.38
127.77
127.70
127.69
127.65
127.42
13
124.93
126.08
126.33
128.52
131.31
132.99
128.28
127.77
127.70
127.69
127.63
127.40
14
124.93
125.83
126.34
128.57
130.67
132.65
128.14
127.76
127.70
127.69
127.62
127.39
15
124.93
125.95
126.35
129.68
130.05
132.48
128.05
127.76
127.70
127.69
127.61
127.39
16
124.93
126.24
126.35
132.11
129.53
132.16
127.98
127.75
127.70
127.69
127.60
127.39
17
124.93
126.15
126.35
132.62
129.06
131.62
127.86
127.75
127.70
127.69
127.59
127.38
18
124.93
126.15
126.35
132.77
128.77
131.59
127.71
127.75
127.70
127.69
127.58
127.38
19
124.93
126.15
126.36
132.80
128.95
131.48
127.60
127.74
127.70
127.69
127.56
127.37
20
124.93
126.15
126.40
132.79
129.13
131.06
127.58
127.74
127.70
127.68
127.55
127.37
21
124.93
126.15
126.54
132.73
129.29
130.61
127.57
127.73
127.70
127.68
127.53
127.35
22
124.93
126.13
126.73
132.67
129.64
130.46
127.64
127.73
127.70
127.68
127.52
127.36
23
124.93
126.12
127.00
132.82
129.89
130.66
127.60
127.72
127.70
127.68
127.51
127.35
24
124.93
126.15
127.45
133.19
129.73
131.54
127.59
127.72
127.70
127.68
127.50
127.34
25
124.93
126.15
127.63
133.19
129.86
133.29
127.61
127.71
127.70
127.68
127.49
127.33
26
124.93
126.15
127.82
132.84
130.05
133.81
127.64
127.71
127.70
127.68
127.49
127.32
27
124.93
126.15
127.92
132.36
130.59
133.69
127.70
127.71
127.70
127.68
127.49
127.30
28
124.93
126.15
127.74
131.95
131.29
133.22
127.75
127.70
127.70
127.68
127.49
127.30
29
124.93
126.15
127.73
131.76
131.89
132.62
127.80
127.70
127.70
127.68
127.29
30
124.93
126.14
127.79
132.10
132.09
132.22
127.92
127.70
127.70
127.68
127.29
31
126.14
133.67
131.98
128.06
127.70
127.68
127.30
----------
--------------
Mean
124.93
125.74
126.68
130.57
131.34
132.38
128.68
127.75
127.70
127.69
127.60
127.39
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Max
124.93
126.24
127.92
133.67
134.15
133.81
132.01
127.80
127.70
127.70
127.68
127.52
134.15
Min
124.93
124.93
126.17
127.14
128.77
130.46
127.57
127.70
127.70
127.68
127.49
127.29
124.93
134.15
m. (MSL.) ,
124.50
m. (MSL.) ,
River Bed 124.56
m. (MSL.)
136.69
m. (MSL.) ,
136.69
m. (MSL.) ,
Drainage Area 3359 Square Kilometers
at 01.00 Hours, on Aug 1, 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation