Basic HTML Version
280
Location : on left bank at Ban Thung Thong.
788
sq.km.
Drainge Area
WATER YEAR : 2011
WANG RIVER BASIN
Nam Mae Soi at Ban Thung Thong , Lampang (W.17A)
Lat 18 - 42 - 16 N Long 99 - 53 - 52 E
Amphoe
Chae Hom
Changwat
Lampang
Ban
Thung Thong
Water - stage recorder
+295.655 m. (MSL.)
B.M.-H.D.
About 21 meters from the top staff gage.
Elevation
Recording
Arithmetic means of 24 readings
2011 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+300.250 m. (MSL.)
Bench Mark
Type of Gage
2011 to date
-
2011 to date
Rather unstable by some scouring.
No overbank flow.
Records fair.Stage-discharge relation defined by 45 discharge measurements made in 2011.
Period of Rating
Rated by Flot
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
296.03
296.56
296.26
296.42
298.62
297.09
297.31
296.74
296.52
296.32
296.18
296.01
2
296.03
296.47
296.37
296.39
297.95
297.07
297.45
296.73
296.52
296.27
296.25
296.00
3
296.02
296.42
296.33
296.51
297.52
296.99
297.19
296.73
296.51
296.29
296.21
296.01
4
296.00
296.38
296.33
296.42
297.13
296.88
297.27
296.76
296.50
296.29
296.21
296.00
5
296.02
296.38
296.33
296.35
296.98
296.98
297.17
296.71
296.51
296.24
296.21
295.99
6
296.03
296.38
296.69
296.31
296.91
297.29
297.07
296.71
296.50
296.27
296.16
296.00
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
295.98
296.28
296.46
296.23
297.02
297.66
296.98
296.69
296.50
296.27
296.12
296.01
8
295.99
296.29
296.34
296.15
296.88
297.26
296.97
296.68
296.49
296.26
296.05
296.01
9
296.07
296.56
296.28
296.25
296.88
297.14
296.95
296.67
296.51
296.25
296.00
296.00
10
296.30
297.54
296.27
296.56
296.83
297.04
296.93
296.66
296.50
296.24
296.01
296.01
11
296.19
296.91
296.23
296.78
297.18
297.01
296.91
296.66
296.49
296.25
296.00
296.02
12
296.15
296.64
296.23
296.43
297.06
297.08
296.90
296.66
296.49
296.26
296.01
296.05
13
296.32
296.52
296.21
296.35
297.02
297.25
296.86
296.66
296.47
296.25
296.14
296.20
14
296.54
296.49
296.18
296.40
296.90
297.28
296.84
296.66
296.46
296.26
296.12
296.25
15
296.29
296.45
296.12
297.00
296.88
297.18
296.84
296.66
296.43
296.25
296.11
296.25
16
296.22
296.41
296.14
296.76
296.82
297.09
296.87
296.71
296.39
296.26
296.12
296.18
17
296.13
296.44
296.11
296.63
296.86
297.03
296.88
296.66
296.39
296.23
296.11
296.08
18
296.12
296.52
296.14
296.46
296.94
296.93
297.00
296.65
296.38
296.20
296.12
296.06
19
296.40
296.69
296.16
296.45
297.30
296.94
296.96
296.59
296.40
296.20
296.12
296.03
20
296.42
296.74
296.27
296.58
297.05
297.08
296.84
296.54
296.37
296.20
296.09
296.04
21
296.24
296.48
296.16
296.45
297.03
297.03
296.83
296.57
296.34
296.21
296.09
296.01
22
296.19
296.40
296.13
296.33
296.93
297.11
296.62
296.62
296.30
296.20
296.08
296.00
23
296.38
296.32
296.12
296.25
296.86
297.18
295.81
296.60
296.33
296.10
296.09
296.00
24
296.60
296.31
296.12
296.57
296.83
297.83
295.79
296.57
296.36
296.06
296.09
295.97
25
296.61
296.31
296.35
297.04
296.85
297.26
295.76
296.56
296.35
296.03
296.09
295.94
26
296.60
296.44
297.25
296.65
297.38
297.05
295.76
296.56
296.35
296.04
296.08
295.94
27
296.41
296.40
297.05
296.40
297.60
297.15
295.81
296.54
296.36
296.09
296.08
295.95
28
296.35
296.31
296.81
296.31
297.16
297.41
296.32
296.54
296.34
296.15
296.08
295.94
29
296.30
296.31
296.61
296.31
296.94
297.41
296.74
296.54
296.34
296.16
296.01
295.92
30
296.28
296.30
296.50
296.30
297.37
297.27
296.85
296.53
296.34
296.18
295.92
31
296.29
296.92
297.08
296.77
296.33
296.18
295.94
----------
--------------
Mean
296.24
296.48
296.35
296.48
297.12
297.17
296.75
296.64
296.42
296.21
296.10
296.02
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
296.61
297.54
297.25
297.04
298.62
297.83
297.45
296.76
296.52
296.32
296.25
296.25
298.62
Min
295.98
296.28
296.11
296.15
296.82
296.88
295.76
296.53
296.30
296.03
296.00
295.92
295.76
299.49
m. (MSL.) ,
295.66
m. (MSL.) ,
River Bed 295.48
m. (MSL)
300.10
m. (MSL.) ,
300.20
m. (MSL.) ,
Drainage Area 788 Square Kilometers
at 11.00 Hours , on Aug 1 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation