Basic HTML Version
644
Location : on right bank at Ban Wang Sai.
83
sq.km.
Drainge Area
WATER YEAR : 2014
SOUTHERN PENINSULA EAST COAST
Upper Khlong Thadee at Ban Wang Sai , Nakhon Si Thammarat (X.200)
Lat 08 - 24 - 32 N Long 99 - 47 - 54 E
Amphoe
Lan Saka
Changwat
Nakhon Si Thammarat
Ban
Wang Sai
Staff gage.
+0.000 m. (MSL.)
B.M.-H.D.
On right 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
2006 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+36.394 m. (MSL.)
Bench Mark
Type of Gage
2006 to date
-
2006 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 23 discharge measurements made in 2014.
Period of Rating
Rated by Flot
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
31.80
31.96
32.01
32.00
32.03
32.00
32.08
32.11
32.00
32.17
31.88
31.76
2
31.87
31.97
32.09
32.00
32.01
32.00
32.10
32.10
32.00
32.13
31.88
31.76
3
32.03
31.96
32.07
32.00
32.01
32.00
32.21
32.10
32.00
32.07
31.88
31.76
4
32.10
31.96
32.12
32.00
32.00
32.07
32.15
32.10
32.00
32.05
31.88
31.71
5
32.04
31.98
32.10
32.00
32.00
32.00
32.12
32.07
32.00
32.01
31.88
31.70
6
32.00
32.00
32.07
32.00
32.00
32.00
32.12
32.06
32.00
32.00
31.96
31.70
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Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
32.00
32.00
32.01
32.00
32.03
32.00
32.20
32.13
32.00
32.00
31.93
31.70
8
32.00
32.00
32.00
32.00
32.00
32.00
32.15
33.42
32.00
32.35
31.92
31.70
9
32.05
32.00
32.00
32.00
32.01
32.00
32.10
32.66
32.00
32.08
31.91
31.70
10
32.10
32.00
32.00
32.00
32.00
32.00
32.09
32.40
32.00
32.06
31.90
31.79
11
32.14
32.06
32.00
32.00
32.00
32.00
32.08
32.26
32.00
32.06
31.90
31.90
12
32.11
32.02
32.00
32.00
32.00
32.02
32.07
32.15
32.00
32.09
31.80
31.90
13
32.04
32.00
32.00
32.00
32.00
32.04
32.06
32.10
32.10
32.12
31.73
31.89
14
32.08
32.00
32.00
32.06
32.00
32.10
32.28
32.08
32.96
32.17
31.72
31.88
15
32.07
32.00
32.00
32.04
32.00
32.10
32.45
32.13
32.36
32.13
31.71
31.88
16
32.04
32.00
32.00
32.07
32.06
32.11
32.24
32.11
32.19
32.05
31.70
31.86
17
32.02
32.00
32.05
32.06
32.00
32.10
32.22
32.08
32.17
32.00
31.77
31.86
18
32.01
32.00
32.02
32.00
32.00
32.10
32.60
32.14
32.85
31.99
31.80
31.86
19
32.00
32.00
32.00
32.00
32.00
32.10
32.12
32.09
32.35
31.98
31.80
31.86
20
31.96
32.00
32.00
32.00
32.00
32.10
32.10
32.27
32.74
31.99
31.80
31.83
21
31.94
32.00
32.00
32.00
32.00
32.09
32.10
32.21
32.38
31.99
31.80
31.81
22
31.95
32.00
32.00
32.00
32.00
32.10
32.10
32.29
32.47
32.00
31.80
31.80
23
32.00
32.10
32.05
32.00
32.00
32.10
32.10
32.20
32.31
32.00
31.80
31.86
24
32.00
32.10
32.05
32.01
32.04
32.06
32.20
32.22
32.32
32.00
31.77
31.86
25
31.99
32.01
32.05
32.09
32.03
32.06
32.18
32.17
32.54
32.00
31.78
31.86
26
31.98
32.00
32.05
32.10
32.00
32.06
32.20
32.11
32.71
32.00
31.78
31.83
27
31.98
32.00
32.00
32.14
32.02
32.06
32.19
32.09
32.47
32.00
31.78
31.82
28
31.96
32.00
32.00
32.10
32.04
32.00
32.14
32.07
32.43
31.96
31.78
31.82
29
31.96
32.00
32.00
32.09
32.05
32.05
32.12
32.06
32.30
31.86
31.80
30
31.96
32.00
32.00
32.06
32.02
32.05
32.10
32.04
32.28
31.88
31.80
31
32.00
32.05
32.00
32.12
32.25
31.92
31.89
----------
--------------
Mean
32.01
32.00
32.02
32.03
32.01
32.05
32.16
32.20
32.26
32.04
31.82
31.81
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Max
32.14
32.10
32.12
32.14
32.06
32.11
32.60
33.42
32.96
32.35
31.96
31.90
33.42
Min
31.80
31.96
32.00
32.00
32.00
32.00
32.06
32.04
32.00
31.86
31.70
31.70
31.70
35.44
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 29.79
m. (MSL.)
36.47
m. (MSL.) ,
36.46
m. (MSL.) ,
Drainage Area
83
Square Kilometers
at 18.00 Hours , on Nov 8 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation