Basic HTML Version
268
Location : on left bank about 200 meters upstream from the bridge on highway.
10,439 sq.km.
Amphoe
Sam Ngao
Changwat
Tak
Ban
Wang Man
WATER YEAR : 2011
WANG RIVER BASIN
Wang River at Ban Wang Man , Tak (W.4A)
Lat 17 - 12 - 19 N Long 99 - 06 - 05 E
Drainge Area
Staff gage
+130.000 m. (MSL.)
B.M.-H.D.
In front of Wat Wang Man
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours
Arithmetic means of 5 readings
1968 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+143.191 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1971 to date
-
1971 to date
Stable.
No overbank flow.
Records good.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
130.66
131.40
132.66
133.41
131.92
135.22
136.43
132.36
131.42
130.78
130.60
130.69
2
130.72
131.50
132.48
133.08
132.73
135.14
136.35
132.95
131.43
130.77
130.61
130.65
3
130.89
131.30
132.29
132.69
136.03
135.21
136.34
132.93
131.48
130.76
130.66
130.65
4
131.05
131.19
132.11
132.56
136.36
135.35
136.73
132.69
131.52
130.77
131.21
130.65
5
131.06
131.47
132.17
133.26
136.48
135.21
136.93
132.59
131.49
130.78
131.32
130.65
6
130.95
131.82
132.40
133.92
136.83
134.88
136.72
132.48
131.48
130.85
131.42
130.71
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
130.90
132.18
132.75
133.50
137.01
134.61
136.62
132.20
131.46
130.84
131.38
130.84
8
130.94
132.49
133.27
132.49
136.93
134.66
136.21
132.10
131.46
130.82
131.37
130.87
9
130.96
132.48
133.11
132.15
136.21
135.09
136.14
132.01
131.43
130.85
131.34
130.92
10
131.00
132.35
132.65
131.88
135.87
135.19
135.68
132.44
131.41
130.92
130.93
130.95
11
131.04
134.70
132.27
131.87
135.60
135.46
135.32
132.31
131.39
130.89
130.89
130.96
12
131.06
136.16
132.00
132.09
135.50
136.01
134.96
132.12
131.37
130.84
130.84
131.02
13
131.05
136.19
131.95
132.30
135.80
136.17
134.70
131.92
131.36
130.85
130.73
131.05
14
130.97
135.64
132.00
132.20
135.82
136.36
134.42
131.85
131.35
130.85
130.70
131.02
15
130.86
135.06
131.87
131.80
135.84
136.47
133.96
131.85
131.32
130.85
130.70
131.01
16
130.81
134.90
131.70
131.69
135.59
136.52
133.84
131.93
131.25
130.86
130.70
131.20
17
130.77
134.69
131.49
132.22
135.67
136.52
134.33
131.91
131.15
130.91
130.86
131.10
18
130.73
134.39
131.33
133.34
135.43
136.46
134.53
131.99
131.07
130.92
131.30
131.03
19
130.69
134.60
131.26
133.93
135.32
136.16
134.87
131.85
131.04
130.91
131.25
130.92
20
130.64
135.21
131.56
133.52
135.60
135.63
134.81
131.87
131.03
130.90
131.25
130.79
21
130.68
134.83
131.66
133.29
135.33
135.35
134.49
131.83
130.95
130.90
131.34
130.87
22
130.76
134.59
131.64
132.74
135.61
135.14
134.23
131.92
130.87
130.90
131.25
130.95
23
131.06
134.17
131.60
132.40
135.74
134.89
133.70
131.82
130.75
130.89
131.09
130.91
24
131.41
133.51
131.46
132.24
135.68
135.38
133.45
131.76
130.65
130.89
131.02
130.85
25
131.50
133.19
131.35
132.00
134.93
134.96
133.22
131.69
130.80
130.87
130.94
130.80
26
131.53
132.99
131.32
131.85
134.61
135.31
133.13
131.59
130.79
130.84
130.90
130.72
27
131.72
132.97
131.60
132.30
135.24
135.31
132.75
131.53
130.82
130.84
130.83
130.67
28
131.75
133.15
131.91
132.57
135.56
135.69
132.68
131.47
130.83
130.84
130.74
130.66
29
131.34
133.13
133.68
132.67
135.58
135.92
132.61
131.41
130.82
130.65
130.72
130.65
30
131.24
133.03
134.01
132.41
135.39
136.16
132.56
131.37
130.78
130.66
130.65
31
132.73
131.90
135.20
132.49
130.78
130.62
130.66
----------
--------------
Mean
131.02
133.48
132.12
132.59
135.53
135.55
134.68
132.02
131.15
130.83
131.00
130.84
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Max
131.75
136.19
134.01
133.93
137.01
136.52
136.93
132.95
131.52
130.92
131.42
131.20
137.01
Min
130.64
131.19
131.26
131.69
131.92
134.61
132.49
131.37
130.65
130.62
130.60
130.65
130.60
137.07
m. (MSL.) ,
130.00
m. (MSL.) ,
River Bed 129.41
m. (MSL)
140.65
m. (MSL.) ,
140.91
m. (MSL.) ,
Drainage Area 10439 Square Kilometers
at 06.00 Hours , on Aug 8 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation