Basic HTML Version
306
Location : on left bank at Ban Huai Mae Ta.
150
sq.km.
WATER YEAR : 2014
WANG RIVER BASIN
Nam Mae Ta at Ban Huai Mae Ta , Lampang (W.26)
Lat 18 - 36 - 26 N Long 99 - 37 - 44 E
Drainge Area
Amphoe
Chae Hom
Changwat
Lampang
Ban
Huai Mae Ta
Water - stage recorder.
+286.470 m. (MSL.)
B.M.-H.D.
On left bank at the approach of the bridge.
Elevation
Recording
Arithmetic mean of 24 readings.
2011 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+290.173 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2011 to date
-
2011 to date
Fairly stable because of backwater effect.
No overbank flow.
Records fair.Stage-discharge relation defined by 40 discharge measurements made in 2014.
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
287.01
286.83
286.08
286.03
286.23
286.76
286.72
286.68
286.55
286.53
286.75
286.78
2
286.69
286.87
286.10
286.06
286.24
286.87
286.72
286.81
286.55
286.54
286.79
286.78
3
286.64
286.67
286.06
286.03
286.30
287.02
286.70
286.80
286.55
286.53
286.83
286.79
4
286.62
285.97
286.04
286.01
286.26
286.85
286.70
286.80
286.55
286.53
286.83
286.78
5
286.61
286.18
286.03
286.00
286.32
286.76
286.74
286.80
286.55
286.55
286.82
286.78
6
286.64
286.37
286.03
286.01
286.41
286.74
286.80
286.81
286.57
286.67
286.83
286.78
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
286.62
286.40
286.02
286.00
286.58
286.72
286.78
286.79
286.55
286.80
286.83
286.77
8
286.62
286.49
286.02
286.09
286.56
286.69
286.76
286.79
286.54
286.80
286.81
286.77
9
286.61
286.14
286.01
286.33
286.50
286.69
286.75
286.77
286.52
286.84
286.81
286.77
10
286.60
286.07
286.02
286.28
286.49
286.72
286.78
286.75
286.54
286.88
286.80
286.77
11
286.61
286.04
286.02
286.11
286.45
286.79
286.84
286.72
286.54
286.86
286.81
286.77
12
286.65
286.04
286.03
286.06
286.51
286.78
286.85
286.74
286.53
286.82
286.81
286.77
13
286.66
286.04
286.10
286.04
286.64
286.76
286.66
286.73
286.52
286.80
286.81
286.78
14
286.66
286.03
286.18
286.03
286.77
286.77
286.68
286.72
286.53
286.78
286.79
286.78
15
286.68
286.03
286.25
286.12
286.65
286.76
286.77
286.71
286.53
286.79
286.76
286.77
16
286.75
286.02
286.16
286.26
286.60
286.76
286.76
286.66
286.51
286.77
286.69
286.77
17
286.71
286.03
286.09
286.18
286.55
286.77
286.75
286.67
286.51
286.77
286.68
286.76
18
286.70
286.04
286.05
286.32
286.51
286.76
286.74
286.59
286.50
286.77
286.67
286.76
19
286.68
286.04
286.05
286.33
287.16
286.75
286.77
286.57
286.51
286.76
286.69
286.77
20
286.72
286.04
286.05
286.67
287.29
286.75
286.77
286.58
286.51
286.76
286.75
286.77
21
286.72
286.04
286.07
286.61
286.80
286.74
286.77
286.58
286.51
286.77
286.75
286.77
22
286.72
286.04
286.09
286.55
286.76
286.73
286.77
286.59
286.49
286.76
286.74
286.77
23
286.71
286.05
286.08
286.41
286.84
286.75
286.75
286.58
286.47
286.76
286.74
286.76
24
286.66
286.07
286.09
286.34
286.82
286.69
286.71
286.57
286.45
286.73
286.75
286.75
25
286.65
286.03
286.09
286.20
286.82
286.72
286.66
286.56
286.45
286.68
286.76
286.74
26
286.66
286.04
286.12
286.20
286.81
286.82
286.64
286.56
286.46
286.72
286.77
286.73
27
286.62
286.04
286.09
286.29
286.75
286.77
286.64
286.56
286.49
286.75
286.78
286.74
28
286.60
286.04
286.08
286.30
286.72
286.73
286.63
286.56
286.51
286.70
286.79
286.75
29
286.63
286.04
286.08
286.23
286.54
286.72
286.64
286.56
286.54
286.69
286.76
30
286.69
286.03
286.04
286.22
286.74
286.74
286.63
286.55
286.55
286.68
286.76
31
286.04
286.24
286.81
286.61
286.53
286.68
286.73
----------
--------------
Mean
286.67
286.15
286.07
286.21
286.63
286.76
286.73
286.67
286.52
286.72
286.77
286.77
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
287.01
286.87
286.25
286.67
287.29
287.02
286.85
286.81
286.57
286.88
286.83
286.79
287.29
Min
286.60
285.97
286.01
286.00
286.23
286.69
286.61
286.55
286.45
286.53
286.67
286.73
285.97
287.75
m. (MSL.) ,
286.47
m. (MSL.) ,
River Bed 285.59
m. (MSL.)
291.22
m. (MSL.) ,
292.26
m. (MSL.) ,
Drainage Area 150 Square Kilometers
at 05.00 Hours , on Aug 20 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation