Basic HTML Version
264
Location : on left bank at the bridge.
3,478
sq.km.
WATER YEAR : 2011
WANG RIVER BASIN
Wang River at Setuwaree Bridge , Lampang (W.1C)
Lat 18 - 17 - 51 N Long 99 - 30 - 56 E
Drainge Area
Amphoe
Mueang
Changwat
Lampang
Ban
Setuwaree Bridge
Water - stage recorder
+229.300 m. (MSL.)
B.M.-H.D.
On left bank at the approach of the bridge.
Elevation
Recording
Arithmetic means of 24 readings
1990 - 1998, 2006 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+234.725 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1990 - 1998, 2006 to date
-
1990 - 1998, 2006 to date
Fairly stable because of backwater effect.
No overbank flow.
Records fair. Stage-discharge relation defined by 51 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
229.39
229.08
229.53
229.84
231.26
231.28
231.35
229.62
229.19
228.72
229.33
228.70
2
229.45
229.33
229.51
229.80
233.55
231.37
231.99
229.41
229.18
228.76
229.37
228.87
3
229.28
229.50
229.51
230.13
233.56
231.23
232.27
229.15
229.18
228.72
229.40
228.96
4
229.62
230.03
229.53
230.17
232.44
231.15
230.95
228.96
229.18
228.63
229.38
228.99
5
230.10
229.77
229.52
229.69
231.56
230.34
231.48
228.90
229.13
228.63
229.32
229.01
6
230.11
229.80
229.60
229.25
231.15
229.80
230.16
228.95
229.15
228.73
228.80
229.04
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
230.12
229.76
229.50
229.09
230.92
230.50
229.57
229.43
229.21
228.70
228.68
229.09
8
230.18
229.76
229.45
228.99
230.90
230.93
229.42
229.81
229.18
228.69
228.65
229.09
9
230.20
229.41
229.41
228.91
230.81
231.19
229.60
229.64
229.15
228.72
228.68
229.07
10
230.18
231.01
229.40
229.00
230.32
231.48
229.28
229.85
229.16
228.72
228.66
229.10
11
230.18
231.48
229.46
229.67
230.47
230.84
229.70
229.87
229.16
228.69
228.72
228.91
12
230.06
231.47
229.45
229.25
231.10
230.64
229.63
230.00
229.16
228.71
228.85
228.88
13
229.87
231.35
229.43
229.00
231.19
230.79
229.52
230.01
228.98
228.74
228.73
229.07
14
229.83
231.20
229.15
228.96
230.93
230.93
229.51
230.02
228.78
228.73
229.12
228.92
15
229.80
230.67
228.95
229.35
230.79
231.45
229.46
229.32
228.79
228.74
229.49
228.84
16
229.80
229.70
229.00
229.36
230.70
231.52
229.57
229.28
228.65
228.74
229.57
228.77
17
229.80
229.41
229.35
229.78
230.17
231.34
229.61
229.19
228.59
228.75
229.58
228.74
18
229.71
229.53
228.94
229.96
230.70
230.68
229.60
229.37
228.59
228.73
229.60
228.74
19
229.07
229.42
228.82
229.85
230.68
230.06
229.46
229.39
228.57
228.73
229.17
228.79
20
229.60
229.80
228.77
229.33
230.89
229.95
229.36
229.37
228.55
228.72
229.05
228.76
21
229.80
230.08
228.75
229.31
231.00
230.36
229.31
229.22
228.54
228.73
228.94
228.73
22
229.81
230.05
228.75
229.31
230.77
231.09
229.31
229.17
228.55
228.70
228.84
228.64
23
229.71
230.04
228.75
229.02
230.35
230.66
229.31
228.99
228.62
228.60
228.78
228.60
24
229.69
230.00
228.76
229.07
230.31
230.85
229.28
228.95
228.62
228.58
228.67
228.62
25
229.70
229.98
228.84
229.24
230.31
231.23
229.26
228.85
228.60
228.58
228.62
228.66
26
229.21
230.02
229.55
229.99
230.37
231.44
229.38
228.85
228.61
228.57
228.60
228.76
27
229.13
229.92
229.85
229.93
231.36
231.46
229.02
228.85
228.60
228.55
228.59
228.83
28
229.25
229.79
230.31
229.34
230.48
231.54
228.88
228.86
228.63
228.53
228.64
228.82
29
229.25
229.76
230.02
229.24
230.31
231.95
228.85
229.00
228.61
228.53
228.70
228.78
30
229.27
229.78
229.91
229.21
230.15
231.45
229.05
229.19
228.64
228.58
228.75
31
229.61
229.49
229.86
229.65
228.68
229.18
228.75
----------
--------------
Mean
229.71
230.02
229.33
229.44
230.95
230.98
229.77
229.32
228.85
228.69
228.98
228.85
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Max
230.20
231.48
230.31
230.17
233.56
231.95
232.27
230.02
229.21
229.18
229.60
229.10
233.56
Min
229.07
229.08
228.75
228.91
229.86
229.80
228.85
228.85
228.54
228.53
228.59
228.60
228.53
234.04
m. (MSL.) ,
229.30
m. (MSL.) ,
River Bed 227.62
m. (MSL)
234.51
m. (MSL.) ,
235.05
m. (MSL.) ,
Drainage Area 3478 Square Kilometers
at 16.00 Hours , on Aug 3 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation