Basic HTML Version
660
i
i h b k h b id
WATER YEAR : 2013
SOUTHERN PENINSULA EAST COAST
Khlong Sao Thong at Ban Sao Thong , Nakhon Si Thammarat (X.167)
Lat 08 - 16 - 44 N Long 99 - 54 - 30 E
Locat on : on r g t an at t e r ge.
252
sq.km.
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
On right bank about 4.50 meters from the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
+12.456 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Ron Phibun
Changwat
Nakhon Si Thammarat
Ban
Sao Thong
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 5 readings
1986 to date
1989 to date
-
1989 to date
Fairly stable because of backwater effect.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records good. Stage-discharge relation defined by 23 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
7.96
8.05
7.97
7.88
8.03
7.94
8.00
8.10
11.50
8.15
7.96
7.87
2
7.96
8.06
7.97
7.92
8.04
7.99
7.97
8.05
10.38
8.10
7.95
7.79
3
7.97
8.08
7.97
7.96
7.98
7.94
7.93
8.00
9.66
8.04
7.95
7.76
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
7.97
8.05
7.97
7.97
7.98
7.84
7.93
7.95
9.32
8.09
7.95
7.76
5
7.96
8.06
7.97
7.97
7.94
8.11
7.95
7.94
11.16
8.00
7.95
7.76
6
7.95
8.03
7.97
7.97
7.94
7.99
7.97
7.93
11.52
8.01
7.95
7.76
7
7.93
8.25
7.97
7.97
7.92
7.93
7.98
7.93
11.66
8.00
7.95
7.76
8
7.91
8.09
7.97
7.97
7.89
7.97
7.84
7.93
10.50
7.98
7.95
7.75
9
7.90
8.47
7.96
7.96
7.89
7.99
7.84
7.93
9.84
7.98
7.94
7.75
10
7.89
8.10
7.96
7.96
7.88
7.95
7.83
7.93
9.39
8.13
7.93
7.75
11
7.89
8.16
7.96
7.96
7.85
7.96
7.81
7.94
9.15
8.06
7.93
7.75
12
7 89
8 09
7 98
7 97
7 84
7 97
7 80
7 98
9 05
8 06
7 93
7 75
.
.
.
.
.
.
.
.
.
.
.
.
13
8.21
8.06
7.97
7.90
7.84
7.97
7.80
7.97
9.01
8.06
7.88
7.75
14
8.44
8.06
7.98
7.99
7.84
7.96
7.80
7.95
8.89
8.11
7.86
7.72
15
8.06
8.05
8.48
8.52
7.84
7.98
7.80
7.95
8.71
8.14
7.86
7.75
16
8.04
8.03
8.09
8.09
7.83
7.87
7.81
7.93
8.77
8.18
7.86
7.73
17
7.99
8.02
8.07
8.09
7.83
7.82
7.84
8.00
8.67
8.20
7.86
7.74
18
7.99
8.08
8.05
8.06
7.83
7.81
8.83
8.03
8.65
8.20
7.86
7.74
19
7.98
8.16
8.03
8.03
7.82
7.85
8.19
8.02
8.58
8.20
7.86
7.75
20
7.97
8.06
8.01
8.01
7.82
7.87
8.11
8.53
8.45
8.15
7.86
7.76
21
8.01
8.02
7.99
8.00
7.81
8.02
8.14
9.73
8.30
8.10
7.86
7.78
22
8.51
8.01
7.97
8.00
7.81
7.99
8.36
11.57
8.27
8.08
7.86
7.78
23
8.06
8.01
7.95
8.00
7.81
7.97
8.10
11.79
8.25
8.05
7.86
7.78
24
7.99
8.00
7.92
8.00
7.81
7.96
8.26
11.39
8.23
8.04
7.86
7.78
25
7.99
8.00
7.89
8.00
7.81
7.93
8.10
10.22
8.20
8.02
7.86
7.79
26
7.99
8.00
7.87
7.95
7.81
7.80
8.10
9.46
8.18
8.00
7.87
7.79
27
7.99
7.99
7.86
7.91
7.80
7.80
8.22
9.07
8.16
7.98
7.90
7.80
28
7.98
7.99
7.86
7.90
7.80
7.80
9.14
8.93
8.14
7.97
7.88
7.80
29
7.97
7.99
7.86
7.90
7.80
7.86
9.13
10.73
8.15
7.97
7.80
30
7.97
7.98
7.86
7.90
7.80
8.05
8.36
11.65
8.14
7.97
7.80
31
7.98
7.94
7.80
8.19
8.06
7.97
7.83
----------
--------------
Mean
8.01
8.06
7.98
7.99
7.86
7.93
8.10
8.82
9.13
8.06
7.90
7.77
Max
8.51
8.47
8.48
8.52
8.04
8.11
9.14
11.79
11.66
8.20
7.96
7.87
11.79
Min
7.89
7.98
7.86
7.88
7.80
7.80
7.80
7.93
8.06
7.97
7.86
7.72
7.72
11.88
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 7.49
m. (MSL.)
14.14
m. (MSL.) ,
14.14
m. (MSL.) ,
Drainage Area 252 Square Kilometers
at 24.00 Hours , on Dec 22 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------