Basic HTML Version
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WATER YEAR : 2013
NAN RIVER BASIN
Nan River at Mueang , Phitsanulok (N.5A)
Lat 16 - 49 - 19 N Long 100 - 15 - 49 E
Locat on : on r g t an near t e Post O ce an a out 1 ometer upstream rom gag ng stat on N.5
25,039 sq.km.
Staff gage.
+34.500 m. (MSL.)
B.M.-H.D.
Near the automatic gage building.
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
+44.800 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Mueang
Changwat
Phitsanulok
Ban
Nai Mueang
Arithmetic mean of 5 readings
1963 to date
1966 to date
-
1966 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 very good. Flow effected by Naresuan Dam.
Stage-discharge relation defined by 36 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
36.04
36.03
35.61
35.54
35.70
35.50
38.80
35.90
35.15
36.50
36.45
36.35
2
36.32
36.16
35.58
35.44
35.94
36.97
37.90
35.92
35.41
36.43
36.69
36.33
3
36.47
36.40
35.54
35.37
36.04
37.20
37.44
35.79
35.45
36.49
36.50
36.25
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
36.33
36.99
35.53
35.38
35.93
37.06
37.21
35.66
35.47
36.55
36.45
36.46
5
36.28
37.07
35.76
35.26
35.56
36.00
37.22
35.67
35.48
36.58
36.52
36.47
6
36.34
36.98
35.86
35.17
35.53
35.56
37.33
35.62
36.06
36.30
36.54
36.39
7
36.31
36.99
36.06
35.13
35.35
35.65
37.09
35.65
37.00
36.45
36.42
36.11
8
36.24
37.15
35.71
35.74
35.24
35.81
36.59
35.58
36.80
36.50
36.37
35.77
9
36.13
36.94
35.60
35.79
35.36
36.30
36.16
35.30
36.42
36.15
36.23
35.66
10
36.19
36.59
35.79
36.44
35.37
36.23
35.69
35.45
36.34
36.22
36.20
35.50
11
36.18
36.58
35.70
36.55
35.51
36.39
35.74
35.54
36.07
36.17
36.23
35.61
12
36 26
36 43
35 92
36 87
36 48
36 48
35 63
35 54
36 00
36 02
36 35
35 56
.
.
.
.
.
.
.
.
.
.
.
.
13
36.18
36.18
35.82
36.79
36.77
36.38
36.04
35.46
35.90
35.97
36.36
35.94
14
36.10
36.22
36.09
36.92
36.49
36.44
36.02
35.47
35.81
35.81
36.20
35.86
15
36.11
36.87
35.89
35.94
36.28
36.38
35.89
35.48
35.72
36.38
36.29
35.82
16
36.38
36.86
35.59
35.22
35.94
37.36
35.85
35.48
35.96
36.45
36.42
35.98
17
35.95
36.88
35.16
35.30
36.10
37.90
35.68
36.14
36.30
36.30
36.39
36.06
18
36.05
36.45
35.11
35.62
36.16
37.73
35.84
35.89
36.25
35.97
36.37
35.98
19
36.43
36.59
35.04
35.47
35.84
37.37
36.14
35.68
35.99
35.90
36.46
36.02
20
36.17
36.49
35.13
35.33
35.67
36.97
36.43
35.20
35.66
35.90
36.33
35.97
21
36.17
36.54
35.67
35.37
34.97
36.47
37.20
35.25
36.25
35.94
36.44
35.89
22
36.05
36.62
35.94
35.15
35.09
36.47
37.07
35.44
36.83
35.94
36.21
35.70
23
36.20
36.34
35.84
35.31
35.16
36.52
37.15
35.35
36.77
36.02
36.24
35.77
24
36.43
35.88
35.59
35.33
36.22
36.17
36.73
35.34
36.66
36.35
36.28
35.94
25
36.32
35.88
36.13
35.31
37.88
36.09
36.82
35.40
36.67
36.23
36.06
36.05
26
36.29
35.86
35.81
35.19
37.18
36.12
37.25
35.33
36.57
36.51
36.28
36.33
27
36.07
35.87
35.96
35.25
36.32
36.06
37.45
35.30
36.36
36.58
36.35
36.26
28
35.99
35.95
35.64
35.42
35.77
37.02
37.46
35.38
36.36
36.47
36.33
36.23
29
35.93
35.91
35.61
35.63
35.50
38.92
37.22
35.32
36.30
36.47
36.41
30
35.96
35.70
35.57
35.62
35.23
39.34
36.84
35.18
36.21
36.62
36.37
31
35.63
35.95
35.23
36.44
36.29
36.67
36.47
----------
--------------
Mean
36.20
36.42
35.67
35.64
35.86
36.70
36.72
35.52
36.15
36.29
36.36
36.05
Max
36.47
37.15
36.13
36.92
37.88
39.34
38.80
36.14
37.00
36.67
36.69
36.47
39.34
Min
35.93
35.63
35.04
35.13
34.97
35.50
35.63
35.18
35.15
35.81
36.06
35.50
34.97
39.44
m. (MSL.) ,
34.50
m. (MSL.) ,
River Bed 32.99
m. (MSL.)
44.29
m. (MSL.) ,
45.02
m. (MSL.) ,
Drainage Area 25039 Square Kilometers
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at 06.00 Hours , on Sep 30 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation