Basic HTML Version
4
Location : on left bank downstream from the bridge on highway.
1,009
sq.km.
WATER YEAR : 2012
SALAWIN RIVER BASIN
Huai Mae Lamao at Ban Mae Lamao , Tak (Sw.6)
Lat 16 - 45 - 36 N Long 98 - 45 - 16 E
Amphoe
Mae Sot
Changwat
Tak
Ban
Mae Lamao
Drainge Area
Staff gage.
+268.470 m. (MSL.)
B.M.-H.D.
About 6.25 meters from the automatic gage buiding.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic mean of 5 readings
1971 to date
+278.846 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
1971 to date
-
1971 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 6 discharge measurements made in 2012.
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
269.04
268.98
269.22
269.24
269.86
269.89
269.66
269.42
269.32
269.09
269.18
268.96
2
269.04
268.98
269.19
269.19
269.77
269.77
269.59
269.39
269.32
269.09
269.10
269.11
3
269.04
268.98
269.24
269.25
269.67
269.75
269.59
269.37
269.50
269.08
269.09
269.00
4
269.04
269.01
269.21
269.24
269.72
269.69
269.50
269.35
269.33
269.08
269.07
269.00
5
269.13
269.01
269.15
269.18
269.77
269.67
269.49
269.33
269.29
269.08
269.05
269.00
6
269.08
269.04
269.12
269.38
269.73
271.34
269.46
269.33
269.27
269.08
269.04
268.98
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
269.21
269.61
269.11
269.32
269.64
272.27
269.49
269.33
269.32
269.08
269.03
268.97
8
269.12
269.25
269.33
269.26
269.73
271.75
270.58
269.40
269.28
269.07
269.02
268.96
9
269.33
269.12
269.32
269.28
270.18
271.04
270.53
269.34
269.27
269.07
269.02
268.99
10
269.13
269.09
269.21
269.23
271.12
270.49
270.85
269.32
269.26
269.07
269.01
268.96
11
269.09
269.08
269.20
269.19
270.55
270.51
270.23
269.31
269.26
269.07
269.00
268.95
12
269.07
269.05
269.14
269.16
270.13
270.25
270.01
269.30
269.25
269.07
269.00
268.94
13
269.06
269.05
269.12
269.14
270.08
270.07
270.07
269.34
269.25
269.07
269.00
268.93
14
269.06
269.05
269.13
269.13
270.11
269.95
270.03
269.30
269.24
269.07
268.99
268.93
15
269.09
269.04
269.13
269.15
270.09
270.05
269.92
269.29
269.24
269.07
268.99
268.93
16
269.08
269.62
269.13
269.14
269.94
269.88
269.80
269.27
269.23
269.06
268.98
268.94
17
269.07
269.16
269.19
269.13
269.82
269.79
269.73
269.26
269.23
269.06
268.98
268.98
18
269.06
269.29
269.15
269.14
269.81
269.71
269.68
269.25
269.23
269.06
269.05
268.95
19
269.05
269.24
269.18
269.46
269.87
269.73
269.63
269.25
269.22
269.05
269.02
268.93
20
269.03
269.52
269.26
269.39
269.92
269.69
269.59
269.25
269.22
269.05
268.99
268.92
21
269.03
269.27
269.29
269.26
269.82
270.01
269.57
269.27
269.22
269.05
268.99
268.91
22
269.03
269.17
269.27
269.21
269.71
269.73
269.53
269.32
269.21
269.05
269.00
268.91
23
269.02
269.12
269.22
269.28
269.64
269.76
269.55
269.27
269.20
269.05
269.01
268.91
24
269.02
269.09
269.19
269.58
269.82
269.65
269.49
269.43
269.18
269.05
268.99
268.91
25
269.02
269.08
269.16
270.18
270.53
269.59
269.49
269.38
269.13
269.04
268.98
268.91
26
269.02
269.07
269.22
269.85
270.45
269.57
269.45
269.53
269.13
269.04
268.98
268.91
27
269.00
269.09
269.84
269.77
270.08
269.51
269.45
269.42
269.12
269.04
268.97
268.90
28
268.99
269.21
269.49
269.78
269.88
269.51
269.44
269.48
269.12
269.03
268.97
268.90
29
268.99
269.32
269.41
269.84
269.83
269.56
269.43
269.67
269.11
269.03
268.89
30
268.99
269.60
269.30
269.75
269.92
269.62
269.40
269.39
269.10
269.11
268.89
31
269.27
269.92
269.94
269.39
269.10
269.37
268.89
----------
--------------
Mean
269.06
269.18
269.24
269.39
269.97
270.06
269.73
269.35
269.23
269.07
269.02
268.94
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
269.33
269.62
269.84
270.18
271.12
272.27
270.85
269.67
269.50
269.37
269.18
269.11
272.27
Min
268.99
268.98
269.11
269.13
269.64
269.51
269.39
269.25
269.10
269.03
268.97
268.89
268.89
272.97
m. (MSL.) ,
268.47
m. (MSL.) ,
River Bed 268.24
m. (MSL)
277.32
m. (MSL.) ,
275.35
m. (MSL.) ,
Drainage Area 1009 Square Kilometers
at 06.00 Hours , on Sep 7 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation