Basic HTML Version
374
i
i h b k b kil
d
f
k h
ll
WATER YEAR : 2013
NAN RIVER BASIN
Khek River at Ban Wang Nok Aen , Phitsanulok (N.24A)
Lat 16 - 50 - 36 N Long 100 - 31 - 20 E
Locat on : on r g t an a out 2 ometers ownstream rom Sa unot ayan Fa .
1,838
sq.km.
Staff gage
+40.710 m. (MSL.)
B.M.-H.D.
Near the gage site.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+54.851 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Wang Thong
Changwat
Phitsanulok
Ban
Wang Nok Aen
Arithmetic mean of 5 readings
1965 to date
1965 - 1974 , 1980 to date
-
1965 - 1974 , 1980 to date
Stable.
No overbank flow.
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Records good. Stage-discharge relation defined by 33 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
41.63
41.80
42.17
42.53
45.34
47.40
49.98
43.68
42.44
42.06
41.81
41.65
2
41.62
41.75
42.48
42.40
44.75
46.50
49.18
44.08
42.39
42.05
41.81
41.65
3
41.61
41.75
42.53
42.36
44.40
45.55
50.25
43.54
42.36
42.05
41.80
41.65
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
41.61
41.84
42.44
42.28
44.01
44.75
49.47
43.38
42.34
42.04
41.80
41.64
5
41.60
41.78
44.52
42.73
44.02
44.60
48.41
43.27
42.31
42.03
41.79
41.64
6
41.57
41.72
44.33
42.40
43.61
44.23
47.58
43.18
42.30
42.02
41.78
41.64
7
41.56
42.31
46.17
44.51
43.64
44.02
46.64
43.12
42.27
42.01
41.78
41.64
8
41.55
42.16
44.83
46.33
44.02
44.87
46.03
43.09
42.26
42.00
41.78
41.64
9
41.54
41.95
43.75
44.82
43.62
45.52
45.56
43.05
42.25
41.99
41.77
41.63
10
41.53
41.97
42.83
44.77
44.52
45.57
45.20
43.01
42.24
41.98
41.76
41.63
11
41.52
42.35
42.51
46.40
47.90
44.96
44.96
42.97
42.22
41.97
41.75
41.63
12
41 51
41 95
42 34
45 71
48 94
45 06
44 73
42 93
42 22
41 96
41 75
41 64
.
.
.
.
.
.
.
.
.
.
.
.
13
41.54
41.92
42.59
44.69
47.72
46.02
44.65
42.90
42.21
41.95
41.74
41.64
14
41.53
41.89
44.49
43.90
47.47
47.56
44.55
42.89
42.19
41.94
41.73
41.64
15
41.53
41.83
43.86
43.38
47.60
49.06
44.48
42.85
42.18
41.93
41.72
41.63
16
41.54
41.79
43.07
43.24
46.23
48.96
44.25
42.83
42.44
41.92
41.72
41.62
17
41.53
41.81
44.46
43.74
46.72
48.14
44.19
42.80
42.33
41.91
41.71
41.62
18
41.52
41.85
43.26
43.32
45.78
49.92
44.82
42.76
42.65
41.90
41.70
41.61
19
41.52
41.81
42.62
43.22
44.91
48.70
45.15
42.73
42.54
41.89
41.70
41.61
20
41.51
41.77
42.70
43.07
44.44
48.33
45.31
42.69
42.33
41.88
41.69
41.61
21
41.50
42.63
42.85
43.05
44.23
47.29
44.72
42.65
42.25
41.87
41.68
41.67
22
41.50
42.98
44.45
43.06
44.13
50.59
44.40
42.62
42.20
41.86
41.68
41.66
23
41.49
43.26
43.82
42.80
47.45
49.27
44.14
42.58
42.17
41.85
41.67
41.65
24
41.50
42.62
43.37
44.60
47.40
48.36
44.93
42.56
42.15
41.84
41.67
41.64
25
42.46
42.66
43.18
47.39
45.94
47.76
45.43
42.54
42.13
41.83
41.66
41.61
26
41.75
42.28
42.91
46.11
45.84
47.86
44.85
42.54
42.12
41.82
41.66
41.60
27
41.66
42.13
42.80
44.61
46.03
49.95
44.43
42.55
42.11
41.81
41.66
41.61
28
41.62
41.98
42.70
43.88
45.14
51.19
44.06
42.53
42.10
41.81
41.65
41.62
29
41.59
41.90
42.62
44.02
44.81
51.03
43.86
42.50
42.09
41.82
41.61
30
41.85
41.86
42.54
46.26
44.99
50.76
43.72
42.47
42.08
41.82
41.63
31
42.48
45.45
47.87
43.73
42.07
41.81
41.62
----------
--------------
Mean
41.60
42.09
43.31
44.10
45.60
47.46
45.60
42.91
42.26
41.92
41.73
41.63
Max
42.46
43.26
46.17
47.39
48.94
51.19
50.25
44.08
42.65
42.06
41.81
41.67
51.19
Min
41.49
41.72
42.17
42.28
43.61
44.02
43.72
42.47
42.07
41.81
41.65
41.60
41.49
51.61
m. (MSL.) ,
40.71
m. (MSL.) ,
River Bed 41.11
m. (MSL.)
53.81
m. (MSL.) ,
53.98
m. (MSL.) ,
Drainage Area 1838 Square Kilometers
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
at 09.00 Hours , on Sep 28 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation