Basic HTML Version
390
Location : on right bank at Ban Tha Takhian.
25,018 sq.km.
Drainge Area
WATER YEAR : 2012
NAN RIVER BASIN
Nan River at Ban Tha Takhian , Phitsanulok (N.68)
Lat 16 - 52 - 15 N Long 100 - 14 - 36 E
Amphoe
Mueang
Changwat
Phitsanulok
Ban
Tha Takhian
Staff gage
+35.000 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
1999 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+48.620 m. (MSL.)
Bench Mark
Type of Gage
1999 to date
-
2004 to date
Stable.
No overbank flow.
Records good. Flow effected by Mae Yom side flow.
Stage-discharge relation defined by 21 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
37.55
37.12
39.63
38.99
37.61
38.82
38.14
37.86
38.42
38.06
38.20
37.99
2
36.95
37.33
39.28
39.35
37.53
38.57
38.10
38.27
38.36
38.30
38.32
37.79
3
37.10
37.64
38.67
39.53
37.19
38.33
38.11
38.49
38.38
38.40
38.32
37.66
4
37.78
37.67
38.46
39.63
37.16
37.97
38.15
38.44
38.40
38.87
38.35
37.62
5
37.93
37.77
38.57
39.70
37.17
38.11
38.22
37.00
38.19
39.22
38.40
37.98
6
37.92
38.16
38.69
39.71
37.16
38.37
38.11
37.12
38.05
39.28
38.25
37.92
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
37.95
38.47
38.64
39.36
37.19
38.46
37.84
37.23
38.08
39.16
38.23
37.93
8
37.97
38.90
38.51
38.86
37.22
38.56
37.68
37.06
38.13
38.96
38.05
37.83
9
39.01
39.73
38.69
38.39
37.35
39.23
37.58
37.05
38.18
38.49
38.07
37.77
10
39.60
39.70
39.07
38.72
37.72
40.33
37.23
37.05
38.00
38.28
38.00
37.59
11
39.75
39.73
39.29
38.70
37.98
41.27
36.98
37.03
38.12
38.06
37.97
37.33
12
40.05
39.35
39.14
38.39
38.03
41.27
36.90
37.00
38.16
38.24
37.90
37.10
13
39.78
38.80
39.75
38.06
38.00
40.67
36.86
37.12
38.18
38.22
37.78
37.03
14
39.34
38.60
39.62
37.76
37.95
40.16
36.83
37.58
38.13
38.21
37.66
37.01
15
37.20
38.20
39.24
37.56
38.03
39.61
36.86
37.69
38.26
38.15
37.63
37.03
16
37.29
38.07
38.38
37.61
38.00
39.63
36.93
37.64
38.33
38.29
37.31
37.00
17
37.24
38.28
38.04
37.44
37.73
39.59
36.84
37.71
38.19
38.05
37.18
36.94
18
37.91
38.23
38.12
37.11
37.72
39.25
36.70
37.77
38.34
38.08
37.19
36.90
19
39.09
38.94
37.93
37.27
37.53
38.95
36.61
37.79
38.25
38.00
37.14
36.90
20
39.74
39.11
38.30
37.45
37.24
38.53
36.59
37.36
38.25
38.05
37.05
36.90
21
39.17
39.08
38.82
37.41
37.03
38.38
36.54
37.81
38.45
37.77
37.12
36.92
22
37.74
38.90
39.08
37.22
36.98
38.34
36.60
38.23
38.30
37.73
37.17
36.93
23
37.26
38.59
39.30
37.07
36.93
37.99
36.64
38.34
38.18
37.65
37.22
36.89
24
37.25
38.37
39.13
37.08
36.92
37.92
36.54
38.28
38.08
37.77
37.37
36.86
25
36.87
38.21
38.94
37.28
36.97
37.74
36.61
38.18
37.90
38.04
37.72
36.91
26
36.97
38.53
39.22
37.35
37.15
37.72
36.58
38.03
37.80
38.08
38.07
37.03
27
37.03
39.60
39.31
37.85
38.21
37.65
36.48
37.90
37.66
38.14
38.28
37.08
28
37.13
39.27
39.34
37.68
39.28
37.86
36.58
38.17
37.68
38.12
38.23
37.33
29
37.03
39.16
39.16
37.66
39.20
37.92
36.52
38.36
38.06
37.84
37.40
30
37.01
39.39
39.16
37.72
39.14
37.97
36.53
38.26
38.10
38.10
37.24
31
39.46
37.74
39.25
36.52
38.16
38.06
37.19
----------
--------------
Mean
38.02
38.66
38.92
38.12
37.70
38.84
37.08
37.73
38.15
38.25
37.79
37.29
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Max
40.05
39.73
39.75
39.71
39.28
41.27
38.22
38.49
38.45
39.28
38.40
37.99
41.27
Min
36.87
37.12
37.93
37.07
36.92
37.65
36.48
37.00
37.66
37.65
37.05
36.86
36.48
41.30
m. (MSL.) ,
35.00
m. (MSL.) ,
River Bed 32.62
m. (MSL.)
45.11
m. (MSL.) ,
45.07
m. (MSL.) ,
Drainage Area 25018 Square Kilometers
at 06.00 Hours , on Sep 11 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation