Basic HTML Version
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WATER YEAR : 2013
TAPI RIVER BASIN
Tapi River at Ban Yan Din Daeng , Surat Thani (X.37A)
Lat 08 - 34 - 03 N Long 99 - 15 - 15 E
Locat on : on e t an at Tam on Yan D n Daeng.
5,383
sq.km.
Water - stage recorder.
+0.000 m. (MSL.)
B.M.-H.D.
Near the automatic gage building.
Elevation
Recording
Drainge Area
Amphoe
Phrasaeng
Changwat
Surat Thani
Ban
Yan Din Daeng
Gage Reading Frequency
Zero Gage at Bottom
+12.682 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 24 readings
1969 to date
1969 to date
-
1969 to date
Stable.
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 21 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
4.86
5.64
5.28
6.11
7.69
6.65
7.69
8.51
10.41
6.27
5.18
4.82
2
4.87
5.79
5.40
6.09
7.62
7.24
7.62
8.32
10.34
6.22
5.15
4.82
3
4.86
5.60
5.59
6.23
7.51
7.97
7.51
8.20
10.26
6.18
5.13
4.81
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
4.85
5.42
5.71
6.85
7.43
8.38
7.43
7.92
10.16
6.15
5.12
4.80
5
4.85
5.42
5.85
7.55
7.59
8.61
7.59
7.51
10.05
6.13
5.10
4.79
6
4.84
5.45
5.98
8.16
7.93
8.72
7.93
7.13
9.92
6.17
5.07
4.79
7
4.85
5.42
6.10
8.16
7.96
8.70
7.96
6.85
9.95
6.13
5.06
4.78
8
4.85
5.63
6.20
8.05
8.07
8.73
8.07
6.67
10.07
6.09
5.04
4.78
9
4.83
5.59
6.30
7.91
8.24
8.74
8.24
6.54
10.12
5.94
5.03
4.77
10
4.83
6.07
6.36
7.74
8.51
8.57
8.51
6.50
10.09
5.81
5.01
4.77
11
4.82
6.25
6.51
7.47
8.57
8.40
8.57
6.94
10.01
5.75
5.00
4.76
12
4 82
6 07
6 78
7 14
8 42
8 30
8 42
7 90
9 88
5 74
4 99
4 76
.
.
.
.
.
.
.
.
.
.
.
.
13
4.82
5.69
7.16
6.86
8.33
8.46
8.33
8.43
9.70
5.71
4.97
4.75
14
4.87
5.51
7.70
6.68
8.28
8.51
8.28
8.48
9.49
5.66
4.96
4.75
15
5.18
5.26
8.32
6.87
8.16
8.46
8.16
8.22
9.15
5.63
4.95
4.75
16
5.29
5.24
8.82
7.18
8.00
8.29
8.00
7.95
8.81
5.68
4.94
4.74
17
5.20
5.39
9.09
7.18
7.95
8.11
7.95
7.57
8.73
5.73
4.92
4.74
18
5.21
5.63
9.27
7.20
7.91
7.85
7.91
7.72
8.45
5.69
4.91
4.75
19
5.28
5.92
9.36
7.02
8.14
7.43
8.14
8.00
8.29
5.61
4.91
4.75
20
5.15
6.25
9.37
6.76
8.52
7.21
8.52
8.01
8.10
5.55
4.89
4.74
21
5.03
6.46
9.24
6.51
8.88
7.91
8.88
7.65
7.82
5.50
4.89
4.73
22
4.97
6.56
8.87
6.37
9.14
8.56
9.14
7.95
7.49
5.47
4.88
4.74
23
4.99
6.59
8.25
6.67
9.29
8.62
9.29
9.14
7.27
5.44
4.86
4.73
24
5.01
6.61
7.59
7.07
9.37
8.15
9.37
9.73
7.09
5.41
4.86
4.73
25
5.06
6.62
7.09
7.16
9.38
7.58
9.38
10.07
6.91
5.39
4.85
4.72
26
5.40
6.55
6.73
7.34
9.28
7.19
9.28
10.43
6.76
5.36
4.84
4.71
27
5.36
6.39
6.47
7.16
9.12
6.92
9.12
10.72
6.64
5.34
4.83
4.70
28
5.35
6.23
6.35
6.74
9.03
6.74
9.03
10.76
6.55
5.32
4.83
4.70
29
5.71
5.97
6.29
6.36
8.88
6.76
8.88
10.66
6.47
5.28
4.69
30
5.69
5.66
6.18
6.13
8.78
7.15
8.78
10.53
6.39
5.22
4.70
31
5.41
6.04
8.68
8.68
6.32
5.20
4.70
----------
--------------
Mean
5.06
5.88
7.14
6.99
8.41
7.96
8.41
8.37
8.64
5.70
4.97
4.75
Max
5.71
6.62
9.37
8.16
9.38
8.74
9.38
10.76
10.41
6.27
5.18
4.82
10.76
Min
4.82
5.24
5.28
6.04
7.43
6.65
7.43
6.50
6.32
5.20
4.83
4.69
4.69
10.79
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 2.97
m. (MSL.)
12.43
m. (MSL.) ,
12.59
m. (MSL.) ,
Drainage Area 5383 Square Kilometers
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at 02.00 Hours , on Nov 28 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation