Basic HTML Version
678
Location : on right bank at the bridge.
91
sq.km.
Drainge Area
WATER YEAR : 2011
THALE SAP SONGKHLA
Lower Khlong Tha Nae at Ban Phikul Thong , Phatthalung (X.277)
Lat 07 - 44 - 25 N Long 99 - 58 - 48 E
Amphoe
Khuan Khanun
Changwat
Phatthalung
Ban
Phikul Thong
Staff gage
+0.000 m. (A.D.)
B.M.-H.D.
Near the gage site.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
2009 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+3.644 m. (A.D.)
Bench Mark
Type of Gage
2009 to date
-
2009 to date
Fairly stable because of backwater effect.
No overbank flow.
Records fair. Stage-discharge relation defined by 30 discharge measurements made in 2011.
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
2.76
0.90
0.90
0.88
0.90
0.90
1.00
2.72
1.20
2.46
1.96
0.90
2
2.84
0.98
0.90
0.88
0.90
0.90
1.10
1.34
1.12
3.02
1.62
0.90
3
3.04
0.90
0.90
0.88
0.88
0.90
1.10
1.28
1.00
1.12
1.20
0.90
4
2.96
0.93
0.90
0.87
0.88
1.00
1.00
1.25
1.00
1.62
1.34
0.90
5
1.44
0.90
0.90
0.87
0.88
1.00
1.00
1.10
1.20
1.46
1.20
0.90
6
1.20
0.90
0.90
0.88
0.88
0.90
1.00
0.98
1.12
1.28
1.08
0.90
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (A.D.) Water Year April 1, 2011 to March 31, 2012
7
1.20
0.98
0.90
0.88
0.88
0.90
1.00
0.90
1.18
1.20
1.00
0.90
8
1.22
0.89
0.90
0.88
0.88
0.90
0.90
0.90
1.15
1.20
1.00
0.98
9
1.10
0.85
0.90
0.88
0.88
0.95
0.90
0.90
1.40
1.10
1.07
1.20
10
1.16
0.90
0.90
0.88
0.85
0.90
0.90
0.94
0.97
1.10
1.05
0.92
11
1.08
0.89
0.90
0.88
0.85
1.17
0.90
0.90
1.35
1.20
1.05
1.10
12
1.11
0.85
0.90
0.88
0.85
2.45
0.90
0.90
1.40
1.03
1.05
1.06
13
1.10
0.81
0.90
0.88
0.85
1.22
0.90
1.10
1.27
1.70
1.05
0.90
14
1.06
0.90
0.89
0.88
0.90
1.00
0.90
1.06
1.29
1.72
1.03
0.90
15
1.06
0.85
0.89
0.88
0.86
1.00
0.90
1.20
1.14
2.67
0.90
0.90
16
1.00
1.10
0.89
0.88
0.88
1.00
0.90
1.00
2.93
1.44
0.90
0.90
17
1.00
1.10
0.90
0.90
0.88
1.00
0.90
0.92
2.83
1.50
1.00
0.90
18
1.20
1.02
0.88
0.89
0.88
0.90
0.90
1.05
2.15
2.40
1.08
0.90
19
1.08
1.00
0.88
0.88
0.90
0.90
0.90
1.06
1.55
1.72
1.00
0.90
20
0.95
1.05
0.88
0.88
0.90
1.00
0.90
1.00
1.34
2.92
1.04
0.90
21
1.10
0.99
0.86
0.90
0.90
1.00
0.90
1.95
1.13
1.46
0.90
0.90
22
0.90
0.94
0.88
0.90
1.00
1.00
0.90
2.21
1.10
1.74
0.92
0.96
23
0.90
0.90
0.88
0.90
1.04
0.90
0.90
3.12
1.29
1.30
1.15
0.96
24
0.90
0.90
0.88
0.89
0.90
0.90
0.90
3.12
1.21
1.30
0.90
0.90
25
0.90
0.90
0.88
0.88
0.90
0.90
0.94
2.28
1.88
1.30
0.90
0.90
26
0.90
0.90
0.88
0.88
0.96
0.90
1.10
1.50
1.88
1.10
0.90
0.90
27
0.90
0.90
0.88
0.88
0.98
0.90
1.13
1.38
1.58
1.15
1.10
0.90
28
0.90
0.90
0.88
0.90
1.18
0.90
1.13
1.53
1.66
1.10
0.96
0.90
29
0.90
0.90
0.88
0.90
1.12
1.00
1.20
1.38
1.22
1.10
0.90
0.90
30
0.90
0.90
0.88
1.00
0.94
1.00
2.02
1.16
1.08
1.10
0.90
31
0.90
0.90
0.90
2.30
1.64
1.94
0.90
----------
--------------
Mean
1.29
0.93
0.89
0.89
0.92
1.01
1.04
1.40
1.43
1.56
1.08
0.93
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
3.04
1.10
0.90
1.00
1.18
2.45
2.30
3.12
2.93
3.02
1.96
1.20
3.12
Min
0.90
0.81
0.86
0.87
0.85
0.90
0.90
0.90
0.97
1.03
0.90
0.90
0.81
3.18
m. (A.D.) ,
0.00
m. (A.D.) ,
River Bed 0.08
m. (A.D.)
3.69
m. (A.D.) ,
3.70
m. (A.D.) ,
Drainage Area
91
Square Kilometers
at 18.00 Hours , on Dec 16 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation