Basic HTML Version
352
Location : on right bank near the Post Office and about 1 kilometer upstream from gaging station N.5
25,039 sq.km.
Drainge Area
WATER YEAR : 2014
NAN RIVER BASIN
Nan River at Mueang , Phitsanulok (N.5A)
Lat 16 - 49 - 19 N Long 100 - 15 - 49 E
Amphoe
Mueang
Changwat
Phitsanulok
Ban
Nai Mueang
Water - stage recorder
+34.500 m. (MSL.)
B.M.-H.D.
Near the automatic gage building.
Elevation
Recording
Arithmetic mean of 24 readings
1963 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+44.800 m. (MSL.)
Bench Mark
Type of Gage
1966 to date
-
1966 to date
Stable.
No overbank flow.
Records very good. Flow effected by Naresuan Dam.
Stage-discharge relation defined by 33 discharge measurements made in 2014.
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
36.59
36.26
36.56
36.29
37.49
37.59
35.86
35.19
35.24
35.84
35.93
36.10
2
36.64
36.84
36.86
36.66
36.80
37.94
35.72
35.00
35.15
35.78
36.22
36.03
3
36.25
37.00
36.74
36.71
36.37
39.11
35.54
35.06
35.15
35.87
36.13
35.98
4
36.11
37.36
36.57
36.41
35.93
39.58
35.16
35.28
35.13
35.66
36.16
36.00
5
36.20
37.39
36.53
36.57
35.76
40.04
35.10
34.99
35.23
35.86
36.00
36.05
6
35.82
37.35
36.62
36.57
35.71
39.36
35.22
34.98
35.26
35.69
35.89
36.29
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Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
36.19
37.41
36.63
36.26
36.23
39.23
35.19
35.02
35.31
35.84
35.89
36.35
8
36.18
37.10
36.67
36.52
36.95
38.92
35.18
35.08
35.43
35.74
35.85
35.98
9
36.19
36.93
36.92
36.57
37.26
38.13
34.96
35.25
35.44
35.51
35.85
36.10
10
36.14
36.92
37.05
36.49
36.86
37.48
34.97
35.55
35.53
35.64
35.73
36.06
11
35.96
36.67
37.44
36.71
36.91
37.02
35.23
35.55
35.36
36.16
35.63
36.02
12
36.16
36.79
37.19
36.79
36.39
36.58
35.22
35.63
35.64
36.30
35.90
36.04
13
36.20
36.92
36.93
36.75
36.06
36.41
35.41
35.51
35.62
36.15
36.13
36.06
14
36.39
37.11
36.92
36.90
35.69
36.22
35.13
35.35
35.50
36.00
36.27
35.97
15
36.21
36.72
36.80
36.97
35.61
35.99
35.23
35.28
35.60
35.91
36.17
36.05
16
36.29
36.49
36.83
37.02
35.53
36.31
35.15
35.21
35.55
35.94
36.22
36.02
17
36.32
36.22
36.73
37.45
36.16
36.29
35.13
35.24
35.49
36.00
36.05
36.01
18
36.58
36.23
37.16
37.20
36.43
36.16
35.07
35.25
35.53
35.83
36.14
35.95
19
36.44
36.49
37.52
36.78
36.84
36.20
35.24
35.25
35.55
35.78
36.11
36.06
20
36.30
36.86
37.55
36.58
37.25
36.22
35.24
35.35
35.54
35.77
36.07
36.07
21
36.30
37.12
37.14
36.17
36.40
36.12
35.20
35.48
35.45
35.80
36.24
36.00
22
36.17
37.12
36.79
36.04
36.73
36.00
35.21
35.27
35.36
35.77
36.17
36.04
23
35.87
37.09
36.51
36.14
37.20
35.70
35.27
35.21
35.57
35.83
36.14
36.01
24
35.91
36.99
36.36
36.09
36.73
35.51
35.50
35.15
35.61
35.68
36.12
36.02
25
35.89
36.73
36.29
35.75
36.67
35.70
35.84
35.16
35.57
35.71
36.08
36.05
26
35.77
36.56
36.25
36.10
36.00
36.14
35.87
35.18
35.65
35.82
36.15
35.80
27
35.69
36.46
36.00
36.42
35.77
36.07
35.64
35.20
35.80
35.91
36.13
35.85
28
35.69
36.38
36.09
36.40
35.93
36.10
35.64
35.23
36.02
35.89
36.15
35.62
29
35.72
36.39
35.96
36.83
36.52
35.87
35.57
35.31
35.93
35.81
35.84
30
35.94
36.45
36.06
37.49
36.69
35.91
35.08
35.30
35.87
35.65
35.80
31
36.49
37.40
36.93
35.07
35.68
35.88
35.80
----------
--------------
Mean
36.14
36.80
36.72
36.61
36.45
37.00
35.32
35.25
35.51
35.84
36.05
36.00
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Max
36.64
37.41
37.55
37.49
37.49
40.04
35.87
35.63
36.02
36.30
36.27
36.35
40.04
Min
35.69
36.22
35.96
35.75
35.53
35.51
34.96
34.98
35.13
35.51
35.63
35.62
34.96
40.13
m. (MSL.) ,
34.50
m. (MSL.) ,
River Bed 32.09
m. (MSL.)
44.27
m. (MSL.) ,
45.01
m. (MSL.) ,
Drainage Area 25039 Square Kilometers
at 06.00 Hours , on Sep 5 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation