Basic HTML Version
406
Location : on right bank at Ban Tan Tawan.
213
sq.km.
WATER YEAR : 2014
NAN RIVER BASIN
Khek River at Ban Tan Tawan , Phetchabun (N.73)
Lat 16 - 33 - 24 N Long 100 - 53 - 44 E
Amphoe
Khao Kho
Changwat
Phetchabun
Ban
Tan Tawan
Drainge Area
Staff gage
+684.529 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
2002 to date
+694.038 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
2002 to date
-
2002 to date
Fairly stable with variable water surface slop.
No overbank flow.
Records good. Stage-discharge relation defined by 14 discharge measurements made in 2014.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Period of Rating
Rated by Flot
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
685.55
685.56
685.58
685.73
689.39
687.55
687.03
685.93
685.73
685.63
685.54
685.67
2
685.55
685.56
685.58
685.72
689.24
687.59
687.00
685.93
685.73
685.63
685.54
685.65
3
685.54
685.56
685.61
685.71
688.98
687.61
686.98
685.93
685.73
685.62
685.54
685.63
4
685.54
685.56
685.62
685.69
689.29
687.63
686.96
685.92
685.72
685.62
685.53
685.61
5
685.54
685.57
685.63
685.68
687.71
687.39
686.93
685.91
685.72
685.62
685.53
685.58
6
685.54
685.57
685.64
685.67
687.78
687.30
686.93
685.89
685.72
685.61
685.53
685.56
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
685.53
685.57
685.65
685.66
687.66
687.21
686.93
685.89
685.71
685.61
685.56
685.53
8
685.54
685.57
685.66
685.65
688.26
687.16
686.91
685.88
685.71
685.61
685.57
685.51
9
685.55
685.58
685.67
685.64
689.30
687.28
686.88
685.88
685.70
685.60
685.58
685.49
10
685.56
685.58
685.68
685.63
690.29
687.21
686.86
685.86
685.70
685.60
685.59
685.47
11
685.54
685.58
685.69
685.63
688.68
687.13
686.83
685.86
685.69
685.60
685.61
685.45
12
685.54
685.59
685.94
685.68
687.74
687.18
686.78
685.85
685.69
685.60
685.63
685.43
13
685.54
685.59
686.07
687.95
688.86
687.15
686.73
685.85
685.68
685.59
685.65
685.41
14
685.74
685.59
685.98
686.63
688.73
687.07
686.63
685.84
685.70
685.59
685.66
685.39
15
685.65
685.60
685.99
686.64
689.02
687.03
686.39
685.84
685.77
685.59
685.67
685.37
16
685.68
685.60
686.05
686.55
689.41
689.21
686.28
685.83
685.81
685.59
685.68
685.35
17
685.66
685.60
686.12
686.53
687.85
687.37
686.26
685.83
685.83
685.58
685.68
685.33
18
685.66
685.60
686.16
686.49
687.38
687.21
686.23
685.83
685.77
685.58
685.68
685.33
19
685.66
685.58
685.88
687.17
687.15
687.09
686.23
685.83
685.73
685.58
685.69
685.33
20
685.66
685.58
685.78
687.50
686.96
686.99
686.18
685.81
685.73
685.58
685.69
685.33
21
685.66
685.57
685.73
686.93
687.29
686.93
686.16
685.80
685.71
685.58
685.69
685.34
22
685.66
685.57
685.68
686.43
687.63
686.77
686.13
685.79
685.69
685.58
685.70
685.36
23
685.66
685.56
685.67
686.36
687.84
686.67
686.13
685.78
685.68
685.57
685.70
685.40
24
685.66
685.56
685.66
686.33
687.98
686.53
686.10
685.77
685.67
685.57
685.70
685.51
25
685.67
685.56
685.65
687.40
687.84
687.07
686.08
685.75
685.66
685.57
685.70
685.58
26
685.67
685.56
686.14
687.95
687.70
689.23
686.06
685.75
685.65
685.56
685.69
685.60
27
685.68
685.55
686.13
687.15
687.94
688.77
686.03
685.74
685.64
685.56
685.68
685.63
28
685.68
685.55
686.07
686.90
689.23
688.06
686.03
685.74
685.63
685.56
685.68
685.69
29
685.68
685.54
685.95
686.72
689.48
687.38
686.01
685.73
685.63
685.55
685.63
30
685.68
685.54
685.83
686.37
689.83
687.06
685.98
685.73
685.63
685.55
685.59
31
685.53
686.16
690.25
685.93
685.63
685.55
685.53
----------
--------------
Mean
685.62
685.57
685.82
686.40
688.47
687.39
686.47
685.83
685.70
685.59
685.63
685.49
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
685.74
685.60
686.16
687.95
690.29
689.23
687.03
685.93
685.83
685.63
685.70
685.69
690.29
Min
685.53
685.53
685.58
685.63
686.96
686.53
685.93
685.73
685.63
685.55
685.53
685.33
685.33
690.76
m. (MSL.) ,
684.53
m. (MSL.) ,
River Bed 685.50
m. (MSL.)
691.71
m. (MSL.) ,
691.16
m. (MSL.) ,
Drainage Area 213 Square Kilometers
at 06.00 Hours , on Aug 10 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation