Basic HTML Version
624
Location : on left bank near the Land Cooperation Office.
946
sq.km.
Drainge Area
WATER YEAR : 2011
SOUTHERN PENINSULA EAST COAST
Khlong Tha Sae at Ban Tha Sae , Chumphon (X.64)
Lat 10 - 39 - 51 N Long 99 - 10 - 26 E
Amphoe
Tha Sae
Changwat
Chumphon
Ban
Tha Sae
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
On left bank about 6 meters from the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
1973 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+19.207 m. (MSL.)
Bench Mark
Type of Gage
1974 - 1975 , 1982 to date
-
1974 - 1975 , 1982 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 33 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
8.80
7.86
7.86
8.97
11.11
9.04
9.07
8.49
8.12
7.85
9.39
7.87
2
8.55
7.85
7.84
10.99
10.88
8.80
8.85
8.46
8.11
7.86
9.17
7.86
3
8.49
7.85
7.83
9.77
9.73
8.66
9.15
8.41
8.10
10.43
9.77
7.86
4
8.34
7.85
7.80
9.48
9.08
8.86
9.05
8.32
8.09
9.37
9.03
7.85
5
8.24
8.29
7.80
9.28
8.79
8.66
9.01
8.26
8.10
8.43
8.54
7.85
6
8.15
8.00
7.91
8.87
8.61
8.48
8.75
8.23
8.09
8.25
8.37
7.87
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
8.36
8.28
8.00
8.57
8.48
8.39
8.60
8.34
8.08
8.14
8.22
7.90
8
8.34
8.43
8.02
8.41
8.39
8.37
8.74
8.26
8.07
8.06
8.14
7.87
9
8.20
8.91
8.05
8.32
8.35
8.44
8.77
8.18
8.10
8.00
8.04
7.82
10
8.11
9.16
8.02
8.25
8.32
8.40
8.54
8.17
8.16
8.00
8.04
7.82
11
8.08
9.29
8.03
8.21
8.45
8.42
8.66
8.15
8.16
7.99
8.13
7.85
12
8.05
8.97
8.16
8.26
8.75
9.04
8.99
8.20
8.12
7.98
8.12
8.26
13
8.02
8.57
8.35
8.26
9.04
10.02
8.65
9.06
8.09
7.96
8.00
8.02
14
8.00
8.33
8.41
8.21
8.67
9.18
8.51
10.23
8.07
7.93
8.02
8.03
15
8.00
8.19
8.33
8.19
8.58
8.84
8.42
9.18
8.02
7.92
8.00
7.93
16
8.00
8.26
8.22
8.26
8.43
8.60
8.38
8.78
7.95
7.91
8.00
7.87
17
7.99
8.19
8.43
8.46
8.34
8.49
8.33
8.51
7.94
7.90
7.99
7.85
18
7.98
8.38
8.51
8.32
8.38
8.42
8.32
8.37
7.92
7.90
7.98
8.01
19
8.01
8.55
8.77
8.27
8.32
8.49
8.31
8.29
7.90
7.92
8.04
8.02
20
8.00
8.27
11.50
8.19
8.28
8.50
8.29
8.25
7.90
7.92
8.14
7.89
21
8.00
8.25
11.18
8.14
8.66
8.65
10.11
8.21
7.90
7.94
8.07
7.85
22
7.99
8.11
9.47
8.17
8.43
9.07
9.42
8.18
7.89
7.95
8.02
7.84
23
7.99
8.02
8.90
8.19
8.33
8.70
9.79
8.17
7.89
7.93
7.96
7.82
24
7.98
7.98
8.58
8.27
8.22
8.65
8.83
8.16
7.88
7.92
7.93
7.82
25
7.98
7.97
8.41
8.70
8.19
9.04
8.60
8.15
7.88
7.92
7.90
7.80
26
7.97
7.96
8.31
9.72
8.17
8.78
9.25
8.15
7.87
8.02
7.90
7.80
27
7.90
7.95
8.26
9.36
8.28
8.59
10.08
8.14
7.87
7.97
7.88
7.78
28
7.88
7.93
8.29
9.01
9.38
9.99
9.54
8.14
7.87
7.93
7.90
7.80
29
7.88
7.91
8.21
8.78
11.46
10.41
8.96
8.13
7.86
7.95
7.90
7.80
30
7.87
7.90
9.18
9.40
10.85
9.41
8.74
8.13
7.86
7.97
7.79
31
7.88
10.10
9.64
8.62
7.85
8.47
7.84
----------
--------------
Mean
8.11
8.24
8.49
8.75
8.92
8.85
8.88
8.39
7.99
8.12
8.23
7.88
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Max
8.80
9.29
11.50
10.99
11.46
10.41
10.11
10.23
8.16
10.43
9.77
8.26
11.50
Min
7.87
7.85
7.80
8.14
8.17
8.37
8.29
8.13
7.85
7.85
7.88
7.78
7.78
12.70
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 6.52
m. (MSL)
19.25
m. (MSL.) ,
18.88
m. (MSL.) ,
Drainage Area 946 Square Kilometers
at 18.00 Hours , on Jun 20 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation