Basic HTML Version
150
Location : on left bank at the bridge on road.
219
sq.km.
WATER YEAR : 2011
MUN RIVER BASIN
Huai La - ong at Ban Na Phu, Amnart Charoen (M.155)
Lat 16 - 00 - 15 N Long 104 - 38 - 39 E
Amphoe
Mueang
Changwat
Amnart Charoen
Ban
Na Phu
Drainge Area
Staff gage.
+136.185 m. (MSL.)
B.M.-H.D.
On left bank upstream side 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
+144.588 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
Rather unstable.
No overbank flow.
Records fairly. The weir situated about 1.5 kilometers downstream from the gage site.
Stage-discharge relation defined by 28 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
136.76
136.76
136.72
137.33
137.43
137.32
137.41
137.15
136.89
136.79
136.79
136.77
2
136.76
136.76
136.72
137.37
137.63
137.55
137.82
137.13
136.89
136.79
136.79
136.77
3
136.76
136.76
136.71
137.31
137.61
137.77
138.36
137.11
136.89
136.79
136.78
136.77
4
136.76
136.76
136.72
137.19
137.56
137.86
137.78
137.09
136.89
136.79
136.78
136.77
5
136.76
136.76
136.73
137.14
137.50
138.02
137.53
137.07
136.89
136.78
136.78
136.77
6
136.76
136.76
136.75
137.12
137.39
139.25
137.39
137.05
136.89
136.78
136.78
136.76
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
136.76
136.76
136.76
137.09
139.04
139.20
137.32
137.04
136.89
136.78
136.78
136.75
8
136.76
136.76
136.76
137.01
141.75
138.01
137.29
137.03
136.89
136.78
136.78
136.76
9
136.76
136.77
136.79
136.94
141.68
138.77
137.28
137.01
136.89
136.78
136.78
136.78
10
136.75
136.76
136.68
136.99
141.35
139.17
137.26
136.99
136.89
136.78
136.78
136.78
11
136.75
136.76
137.01
137.23
138.85
138.44
137.19
136.97
136.88
136.78
136.78
136.77
12
136.75
136.76
137.07
137.22
138.61
138.16
137.20
136.95
136.88
136.78
136.78
136.77
13
136.75
136.69
137.01
137.60
137.91
137.84
137.67
136.93
136.87
136.78
136.78
136.76
14
136.75
136.72
137.09
139.15
137.59
137.64
137.82
136.92
136.87
136.78
136.78
136.75
15
136.75
136.84
137.21
138.70
138.12
137.69
138.18
136.91
136.86
136.78
136.78
136.75
16
136.75
136.82
137.15
138.54
138.44
137.51
137.82
136.92
136.86
136.78
136.77
136.74
17
136.75
136.77
137.03
138.07
138.07
137.67
137.64
136.91
136.86
136.78
136.77
136.72
18
136.77
136.76
137.17
137.73
137.91
137.57
137.47
136.90
136.86
136.78
136.77
136.71
19
136.77
136.77
137.10
137.63
139.10
137.49
137.39
136.90
136.86
136.78
136.77
136.69
20
136.76
136.76
137.13
137.51
139.97
137.53
137.34
136.89
136.86
136.78
136.77
136.69
21
136.76
136.76
137.29
137.89
138.73
137.50
137.30
136.89
136.86
136.78
136.77
136.70
22
136.77
136.76
137.27
138.17
138.33
137.65
137.27
136.88
136.86
136.78
136.77
136.70
23
136.78
136.76
137.23
138.07
137.71
137.50
137.24
136.93
136.86
136.78
136.77
136.70
24
136.76
136.68
137.14
137.64
137.47
137.46
137.20
136.96
136.86
136.78
136.77
136.70
25
136.76
136.68
137.09
138.00
137.38
137.41
137.22
136.92
136.85
136.78
136.77
136.70
26
136.76
136.77
137.08
137.78
137.37
137.33
137.23
136.92
136.81
136.78
136.77
136.71
27
136.76
136.77
137.08
137.54
137.40
137.30
137.20
136.90
136.79
136.78
136.77
136.73
28
136.76
136.76
137.04
137.39
137.48
137.34
137.18
136.88
136.79
136.78
136.77
136.72
29
136.76
136.74
136.99
137.33
137.40
137.33
137.16
136.87
136.79
136.78
136.77
136.72
30
136.76
136.73
136.97
137.28
137.36
137.49
137.14
136.89
136.78
136.80
136.71
31
136.72
137.29
137.33
137.16
136.78
136.79
136.70
----------
--------------
Mean
136.76
136.75
136.98
137.59
138.31
137.83
137.43
136.96
136.86
136.78
136.78
136.74
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Max
136.78
136.84
137.29
139.15
141.75
139.25
138.36
137.15
136.89
136.80
136.79
136.78
141.75
Min
136.75
136.68
136.68
136.94
137.33
137.30
137.14
136.87
136.78
136.78
136.77
136.69
136.68
142.04
m. (MSL.) ,
136.18
m. (MSL.) ,
River Bed 136.26
m. (MSL)
144.60
m. (MSL.) ,
144.59
m. (MSL.) ,
Drainage Area 219 Square Kilometers
at 18.00 Hours, on Aug 9, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation