152
Location : on left bank at the bridge on road.
40
sq.km.
WATER YEAR : 2011
MUN RIVER BASIN
Huai Ban at Ban Na Phu, Amnart Charoen (M.156)
Lat 15 - 59 - 14 N Long 104 - 38 - 28 E
Amphoe
Mueang
Changwat
Amnart Charoen
Ban
Na Phu
Drainge Area
Staff gage.
+139.070 m. (MSL.)
B.M.-H.D.
On left bank 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
1997 to date
+144.52 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
1997 to date
-
1997 to date
Fairly stable.
No overbank flow.
Records fair. The concrete weir situated about 250 meters downstream from the gage site.
Stage-discharge relation defined by 26 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
140.08
140.11
140.30
140.42
140.57
140.51
140.32
140.39
140.35
140.14
140.33
140.10
2
140.08
140.11
140.29
140.46
140.76
140.65
140.84
140.38
140.35
140.14
140.33
140.10
3
140.08
140.11
140.28
140.43
140.60
140.65
140.93
140.37
140.35
140.13
140.32
140.09
4
140.08
140.11
140.27
140.41
140.56
140.46
140.66
140.36
140.35
140.13
140.32
140.09
5
140.08
140.11
140.30
140.39
140.52
140.87
140.57
140.35
140.35
140.12
140.31
140.08
6
140.08
140.11
140.32
140.37
140.50
141.17
140.53
140.35
140.35
140.12
140.30
140.08
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
140.08
140.11
140.32
140.37
141.47
141.32
140.49
140.35
140.34
140.11
140.29
140.12
8
140.08
140.11
140.12
140.36
142.67
140.95
140.48
140.35
140.34
140.11
140.28
140.19
9
140.08
140.11
140.33
140.36
142.64
141.45
140.47
140.35
140.34
140.10
140.27
140.15
10
140.08
140.11
140.14
140.43
141.81
141.31
140.46
140.34
140.33
140.10
140.26
140.15
11
140.08
140.11
140.41
140.51
141.01
140.97
140.43
140.34
140.33
140.09
140.25
140.14
12
140.08
139.95
140.39
140.45
141.27
140.94
140.43
140.34
140.32
140.09
140.24
140.12
13
140.08
140.13
140.37
140.64
140.92
140.77
140.80
140.34
140.32
140.09
140.23
140.11
14
140.08
139.97
140.29
141.90
140.68
140.67
140.77
140.34
140.32
140.09
140.22
140.09
15
140.08
140.18
140.49
141.42
141.29
140.48
140.85
140.34
140.31
140.09
140.21
140.07
16
140.08
140.03
140.47
141.15
141.32
140.49
140.74
140.34
140.31
140.09
140.20
140.06
17
139.83
140.25
140.25
140.90
140.86
140.65
140.70
140.34
140.31
140.09
140.19
140.06
18
139.84
140.22
140.47
140.70
140.74
140.57
140.60
140.34
140.30
140.09
140.21
140.06
19
140.08
140.20
140.43
140.62
141.75
140.52
140.57
140.34
140.29
140.09
140.25
140.06
20
140.05
140.23
140.45
140.56
141.37
140.50
140.55
140.32
140.29
140.09
140.27
140.06
21
140.05
140.22
140.48
141.15
140.94
140.57
140.53
140.32
140.28
140.09
140.26
140.06
22
140.08
140.21
140.47
141.19
140.79
140.67
140.49
140.31
140.28
140.09
140.25
140.06
23
139.87
140.23
140.44
140.97
140.64
140.59
140.48
140.34
140.27
140.08
140.24
140.06
24
140.10
140.06
140.41
140.72
140.57
140.54
140.47
140.34
140.27
140.08
140.23
140.06
25
140.09
140.10
140.40
142.07
140.52
140.50
140.46
140.34
140.27
140.08
140.22
140.06
26
140.09
140.33
140.38
140.98
140.47
140.48
140.45
140.33
140.26
140.08
140.19
140.06
27
140.10
140.32
140.37
140.72
140.46
140.47
140.44
140.33
140.26
140.08
140.15
140.06
28
139.87
140.31
140.35
140.58
140.63
140.50
140.43
140.33
140.26
140.08
140.12
140.06
29
139.87
140.31
140.36
140.53
140.56
140.34
140.42
140.33
140.26
140.08
140.11
140.06
30
140.11
140.30
140.37
140.48
140.53
140.45
140.41
140.33
140.26
140.08
140.06
31
140.30
140.49
140.50
140.40
140.26
140.08
140.06
----------
--------------
Mean
140.04
140.16
140.36
140.73
140.97
140.70
140.55
140.34
140.31
140.10
140.24
140.09
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
140.11
140.33
140.49
142.07
142.67
141.45
140.93
140.39
140.35
140.14
140.33
140.19
142.67
Min
139.83
139.95
140.12
140.36
140.46
140.34
140.32
140.31
140.26
140.08
140.11
140.06
139.83
142.97
m. (MSL.) ,
139.07
m. (MSL.) ,
River Bed 139.96
m. (MSL)
144.65
m. (MSL.) ,
144.68
m. (MSL.) ,
Drainage Area 40
Square Kilometers
at 12.00 Hours, on Aug 8, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation