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WATER YEAR : 2013
WANG RIVER BASIN
Nam Mae Ta at Ban Huai Mae Ta , Lampang (W.26)
Lat 18 - 36 - 26 N Long 99 - 37 - 44 E
Locat on : on e t an at Ban Hua Mae Ta.
150
sq.km.
Water - stage recorder
+286.470 m. (MSL.)
B.M.-H.D.
On left bank at the approach of the bridge.
Elevation
Recording
Amphoe
Chae Hom
Changwat
Lampang
Ban
Huai Mae Ta
Gage Reading Frequency
Zero Gage at Bottom
+290.173 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Drainge Area
Arithmetic mean of 24 readings.
2011 to date
2011 to date
-
2011 to date
Fairly stable because of backwater effect.
No overbank flow.
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Records fair.Stage-discharge relation defined by 44 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
286.58
286.61
286.35
286.35
286.27
286.84
286.70
287.20
286.42
286.47
286.46
286.76
2
286.58
286.61
286.35
286.24
286.05
286.79
286.70
286.64
286.40
286.48
286.47
286.79
3
286.56
286.62
286.35
285.97
286.30
286.76
286.72
286.65
286.39
286.50
286.48
286.76
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
286.57
286.63
286.36
286.06
286.66
286.74
286.76
286.59
286.38
286.53
286.60
286.69
5
286.56
286.63
286.23
286.37
286.55
286.74
286.80
286.58
286.38
286.56
286.79
286.69
6
286.56
286.63
286.17
286.57
286.57
286.76
286.77
286.57
286.36
286.55
286.78
286.71
7
286.57
286.63
286.41
286.67
286.51
286.78
286.74
286.55
286.40
286.54
286.79
286.75
8
286.56
286.63
286.41
286.53
286.78
286.78
286.77
286.54
286.57
286.52
286.77
286.74
9
286.55
286.61
286.40
286.55
286.75
286.79
286.79
286.54
286.53
286.55
286.76
286.74
10
286.63
286.57
286.40
286.57
286.72
286.77
286.77
286.54
286.51
286.55
286.78
286.75
11
286.74
286.59
286.41
286.60
286.78
286.76
286.75
286.53
286.45
286.53
286.76
286.73
12
286 78
286 58
286 27
286 47
286 66
286 74
286 73
286 51
286 43
286 57
286 75
286 70
.
.
.
.
.
.
.
.
.
.
.
.
13
286.68
286.57
286.18
286.37
286.57
286.70
286.76
286.52
286.35
286.56
286.75
286.77
14
286.59
286.57
286.39
286.26
286.60
286.73
286.78
286.53
286.44
286.57
286.76
286.79
15
286.60
286.58
286.42
286.13
286.62
286.81
286.76
286.49
286.50
286.57
286.78
286.81
16
286.60
286.58
286.30
286.13
286.61
286.75
286.75
286.46
286.57
286.58
286.78
286.79
17
286.60
286.57
286.18
286.13
286.62
286.76
286.78
286.45
286.49
286.57
286.75
286.73
18
286.60
286.58
286.23
286.12
286.64
286.72
286.91
286.44
286.44
286.56
286.76
286.69
19
286.61
286.58
286.36
286.11
286.60
286.72
286.85
286.50
286.43
286.56
286.74
286.65
20
286.60
286.58
286.34
286.17
286.59
286.81
286.77
286.60
286.44
286.56
286.77
286.61
21
286.60
286.57
286.38
286.52
286.59
286.80
286.79
286.52
286.45
286.55
286.76
286.58
22
286.62
286.56
286.39
286.47
286.60
286.82
286.83
286.47
286.47
286.55
286.76
286.59
23
286.61
286.55
286.39
286.45
286.59
286.80
286.78
286.45
286.47
286.55
286.77
286.66
24
286.62
286.54
286.44
286.46
286.62
286.79
286.82
286.43
286.47
286.56
286.65
286.67
25
286.64
286.51
286.46
286.51
286.65
286.85
286.85
286.42
286.48
286.56
286.77
286.67
26
286.62
286.35
286.38
286.42
286.62
286.89
286.78
286.42
286.48
286.54
286.65
286.67
27
286.62
286.34
286.46
286.36
286.56
287.04
286.76
286.42
286.50
286.50
286.63
286.67
28
286.62
286.33
286.39
286.07
286.54
287.05
286.74
286.43
286.49
286.49
286.74
286.67
29
286.62
286.33
286.42
285.94
286.60
286.81
286.73
286.49
286.48
286.50
286.65
30
286.61
286.34
286.42
285.96
286.87
286.80
286.71
286.55
286.48
286.50
286.64
31
286.35
286.44
286.75
286.82
286.48
286.52
286.64
----------
--------------
Mean
286.61
286.54
286.35
286.32
286.59
286.80
286.77
286.53
286.46
286.54
286.71
286.70
Max
286.78
286.63
286.46
286.67
286.87
287.05
286.91
287.20
286.57
286.58
286.79
286.81
287.20
Min
286.55
286.33
286.17
285.94
286.05
286.70
286.70
286.42
286.35
286.47
286.46
286.58
285.94
287.42
m. (MSL.) ,
286.47
m. (MSL.) ,
River Bed 285.50
m. (MSL.)
291.23
m. (MSL.) ,
291.27
m. (MSL.) ,
Drainage Area 150 Square Kilometers
at 06.00 Hours , on Nov 1 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation
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