Basic HTML Version
644
Location : on right bank at Ban Nasithong.
248
sq.km.
Drainge Area
WATER YEAR : 2012
THALE SAP SONGKHLA
Khlong Ratthaphum at Ban Nasithong , Songkhla (X.67A)
Lat 07 - 06 - 50 N Long 100 - 12 - 15 E
Amphoe
Ratthaphum
Changwat
Songkhla
Ban
Nasithong
Staff gage
+0.000 m. (A.D.)
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
+5.845 m. (A.D.)
Bench Mark
Type of Gage
2006 to date
-
2006 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 29 discharge measurements made in 2012.
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
0.07
0.07
0.05
-0.10
-0.06
0.23
0.16
0.03
1.51
1.05
0.08
0.66
2
0.08
0.06
0.02
-0.10
0.00
0.19
0.10
0.03
1.87
1.00
0.06
0.52
3
0.10
0.05
0.03
-0.11
0.03
0.14
0.04
0.02
1.52
2.07
0.03
0.46
4
0.11
0.06
0.10
-0.12
0.01
0.07
0.00
0.01
0.88
1.93
0.01
0.40
5
0.12
0.08
0.10
0.05
0.00
0.01
0.01
0.00
0.36
1.03
0.00
0.36
6
0.13
0.10
0.18
0.10
-0.01
0.00
0.02
0.00
0.25
0.79
0.00
0.30
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (A.D.) Water Year April 1, 2012 to March 31, 2013
7
0.14
0.15
0.43
0.20
-0.02
0.00
0.00
-0.01
0.20
0.70
-0.02
0.20
8
0.12
0.14
0.70
0.28
-0.04
0.08
-0.05
-0.02
0.23
0.53
-0.03
0.18
9
0.11
0.12
0.50
0.10
-0.07
0.25
-0.06
-0.02
0.20
0.48
-0.04
0.15
10
0.10
0.11
0.40
0.05
-0.09
0.23
-0.08
-0.05
0.18
0.45
-0.05
0.12
11
0.30
0.10
0.35
0.00
-0.11
0.09
-0.10
-0.08
0.30
0.43
0.03
0.10
12
0.25
0.08
0.16
0.01
-0.12
0.00
-0.08
0.00
0.45
0.42
0.01
0.09
13
0.23
0.06
0.10
0.02
-0.13
0.13
0.05
0.28
0.31
0.41
-0.02
0.08
14
0.20
0.04
0.08
0.01
-0.15
0.28
0.25
0.24
0.57
0.40
-0.02
0.07
15
0.15
0.04
0.06
0.01
-0.16
0.35
0.43
0.17
0.78
0.30
-0.03
0.06
16
0.20
0.03
0.03
0.00
-0.17
0.20
0.67
0.12
1.50
0.28
-0.03
0.05
17
0.27
0.02
0.01
0.00
-0.18
0.10
0.69
0.15
0.90
0.24
-0.04
0.03
18
0.28
0.02
0.00
-0.01
-0.08
0.09
0.53
0.23
0.60
0.23
-0.05
0.00
19
0.26
0.01
0.00
-0.03
-0.09
0.08
0.47
0.49
0.71
0.21
-0.06
0.00
20
0.40
-0.01
0.00
-0.04
-0.10
0.00
0.32
0.73
0.67
0.20
-0.07
-0.01
21
0.30
-0.05
-0.02
-0.03
-0.06
-0.05
0.25
0.36
1.47
0.18
-0.07
-0.02
22
0.25
-0.11
-0.03
-0.02
-0.07
-0.04
0.20
0.17
2.62
0.16
0.05
-0.03
23
0.20
-0.08
-0.04
-0.04
-0.08
-0.05
0.18
0.15
1.62
0.15
0.25
-0.04
24
0.15
0.01
-0.05
-0.05
-0.09
-0.05
0.19
0.17
1.19
0.14
0.72
-0.04
25
0.10
0.07
-0.05
0.00
-0.06
0.18
0.22
0.20
0.84
0.13
3.36
-0.05
26
0.10
0.10
-0.06
-0.01
0.03
0.40
0.21
0.25
1.01
0.12
2.78
-0.06
27
0.10
0.15
-0.07
-0.02
0.11
0.49
0.14
0.87
0.89
0.10
1.59
-0.04
28
0.09
0.18
-0.08
-0.04
0.26
0.38
0.09
0.89
0.80
0.10
0.89
-0.05
29
0.08
0.10
-0.09
-0.07
0.39
0.30
0.04
0.95
0.90
0.04
-0.06
30
0.07
0.05
-0.10
-0.09
0.30
0.20
0.01
0.79
1.42
0.03
-0.07
31
0.09
-0.10
0.28
0.00
1.50
0.03
-0.08
----------
--------------
Mean
0.17
0.06
0.09
0.00
-0.02
0.14
0.16
0.24
0.91
0.46
0.33
0.11
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
0.40
0.18
0.70
0.28
0.39
0.49
0.69
0.95
2.62
2.07
3.36
0.66
3.36
Min
0.07
-0.11
-0.10
-0.12
-0.18
-0.05
-0.10
-0.08
0.18
0.03
-0.07
-0.08
-0.18
3.80
m. (A.D.) ,
0.00
m. (A.D.) ,
River Bed -0.67
m. (A.D.)
6.28
m. (A.D.) ,
6.29
m. (A.D.) ,
Drainage Area 248 Square Kilometers
at 18.00 Hours , on Feb 25 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation