Basic HTML Version
680
Location : on left bank at Ban Ton Pring.
158
sq.km.
WATER YEAR : 2012
SOUTHERN PENINSULA WEST COAST
Upper Khlong Nang Noi at Ban Ton Pring , Trang (X.229)
Lat 07 - 32 - 53 N Long 99 - 44 - 40 E
Drainge Area
Amphoe
Na Yong
Changwat
Trang
Ban
Ton Pring
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
On left bank near the gage site.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic mean of 5 readings
2003 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+32.452 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2003 to date
-
2003 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 27 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
29.00
29.04
29.10
29.05
29.05
29.19
29.36
29.15
29.30
29.81
29.08
29.13
2
29.01
29.03
29.10
29.04
29.02
29.14
29.31
29.13
29.29
29.49
29.09
29.08
3
29.01
29.04
29.10
29.04
28.81
29.12
29.30
29.08
29.27
30.02
29.10
29.05
4
29.12
29.01
29.09
29.05
28.80
29.09
29.27
29.03
29.23
29.79
29.07
29.06
5
29.07
29.03
29.25
29.23
28.80
29.07
29.28
29.18
29.20
29.60
29.05
29.06
6
29.35
29.00
29.89
29.07
28.82
29.28
29.28
29.17
29.17
29.49
29.05
29.05
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
29.15
29.00
30.34
29.10
28.80
29.28
29.25
29.15
29.13
29.44
29.04
29.04
8
29.11
29.02
29.90
29.25
28.80
29.22
29.24
29.13
29.13
29.38
29.06
29.04
9
29.06
29.08
30.29
29.10
28.81
29.16
29.22
29.15
29.13
29.27
29.05
29.03
10
29.04
29.04
29.70
29.27
28.80
29.12
29.19
29.12
29.19
29.23
29.05
29.03
11
29.06
29.01
29.43
29.19
28.80
29.42
29.33
29.30
29.40
29.19
29.06
29.02
12
28.97
29.03
29.33
29.00
28.80
29.47
29.39
29.32
29.18
29.16
29.09
29.02
13
28.84
29.03
29.25
29.08
28.78
30.03
29.62
29.19
29.16
29.15
29.08
29.01
14
28.75
29.03
29.18
29.02
28.87
29.84
29.39
29.15
29.21
29.10
29.06
29.00
15
28.78
29.02
29.10
29.05
28.87
29.81
29.39
29.13
29.90
29.10
29.05
29.00
16
29.14
29.03
29.05
29.04
28.87
29.47
29.30
29.15
29.43
29.09
29.04
29.00
17
29.10
29.03
29.15
29.02
28.87
29.43
29.33
29.14
29.32
29.08
29.03
29.00
18
29.05
29.03
29.15
29.03
28.86
29.31
29.40
29.13
29.26
29.08
29.02
28.98
19
29.08
29.01
29.13
29.01
29.00
29.27
29.27
29.17
29.31
29.08
28.99
28.98
20
29.04
29.00
29.10
29.04
28.99
29.25
29.26
29.14
29.69
29.10
28.92
28.98
21
29.07
28.98
29.10
29.03
29.00
29.31
29.26
29.12
29.76
29.13
28.93
28.98
22
29.10
28.96
29.08
29.02
28.85
29.36
29.25
29.11
29.78
29.15
28.95
28.98
23
29.04
29.02
29.07
29.00
28.83
29.27
29.22
29.10
30.15
29.14
29.05
28.97
24
29.12
29.04
29.06
29.27
29.11
29.24
29.20
29.11
30.14
29.16
29.08
28.97
25
29.03
29.26
29.07
29.11
29.54
29.51
29.19
29.17
29.66
29.14
30.48
28.97
26
29.03
29.41
29.07
29.05
29.17
29.85
29.18
29.19
29.47
29.15
29.44
28.97
27
29.11
29.25
29.04
29.02
29.46
29.76
29.17
29.41
29.43
29.10
29.22
28.96
28
29.12
29.67
29.03
29.02
30.66
29.81
29.17
29.30
29.37
29.10
29.16
28.96
29
29.08
29.57
29.03
29.00
29.96
29.64
29.16
29.36
29.33
29.10
28.99
30
29.07
29.37
29.03
28.96
29.35
29.54
29.14
29.38
30.27
29.09
29.00
31
29.18
28.95
29.23
29.12
30.37
29.09
29.00
----------
--------------
Mean
29.05
29.10
29.27
29.07
29.04
29.41
29.27
29.18
29.47
29.26
29.12
29.01
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Max
29.35
29.67
30.34
29.27
30.66
30.03
29.62
29.41
30.37
30.02
30.48
29.13
30.66
Min
28.75
28.96
29.03
28.95
28.78
29.07
29.12
29.03
29.13
29.08
28.92
28.96
28.75
31.92
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 28.53
m. (MSL.)
34.08
m. (MSL.) ,
33.95
m. (MSL.) ,
Drainage Area 158 Square Kilometers
at 17.00 Hours , on Aug 28 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation