Basic HTML Version
382
Location : on right bank at the bridge on highway from Tambon Bo.
3,476
sq.km.
WATER YEAR : 2012
NAN RIVER BASIN
Nan River at Ban Pha Khwang , Nan (N.64)
Lat 19 - 00 - 32 N Long 100 - 47 - 19 E
Amphoe
Mueang
Changwat
Nan
Ban
Pha Khwang
Drainge Area
Water - stage recorder
+210.900 m. (MSL.)
B.M.- Temporary.
On right bank at the approach of the bridge.
Elevation
Recording
Arithmetic mean of 24 readings
1994 to date
+223.555 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
1994 to date
-
1994 to date
Stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 48 discharge measurements made in 2012.
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
211.66
211.76
211.95
211.78
213.71
214.38
212.29
212.15
212.60
211.88
211.98
211.83
2
211.68
211.74
211.99
211.78
213.22
215.51
212.26
212.12
212.42
211.88
211.96
211.87
3
211.67
211.73
212.06
211.86
213.18
215.05
212.32
212.08
212.17
211.87
211.98
211.86
4
211.69
211.69
212.06
212.00
213.39
214.67
212.43
212.08
212.10
211.85
211.90
211.85
5
211.91
211.68
212.02
212.19
213.08
213.98
212.50
212.09
212.06
211.85
211.90
211.84
6
211.88
211.86
211.99
212.68
212.84
213.48
212.59
212.08
212.00
211.85
211.88
211.84
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
211.82
212.15
211.98
212.24
212.67
213.20
212.50
212.09
211.99
211.86
211.87
211.84
8
211.79
212.20
212.05
212.27
212.88
213.01
212.36
212.07
211.96
211.87
211.81
211.83
9
211.76
212.04
212.09
212.14
215.33
213.07
212.30
212.07
211.97
211.87
211.81
211.83
10
211.74
211.90
212.09
212.09
216.35
213.52
212.24
212.05
211.95
211.86
211.79
211.76
11
211.73
211.85
212.03
212.08
215.50
213.12
212.24
212.05
211.94
211.86
211.78
211.62
12
211.71
211.68
211.95
212.23
214.65
212.90
212.21
212.05
211.97
211.86
211.77
211.58
13
211.71
211.66
211.92
212.46
213.75
212.76
212.19
212.02
211.96
211.85
211.77
211.55
14
211.71
211.71
211.89
212.25
213.40
213.35
212.18
212.00
211.95
211.85
211.77
211.55
15
211.71
211.71
211.86
212.38
213.20
213.40
212.22
212.02
211.94
211.84
211.77
211.53
16
211.70
211.73
211.87
212.52
213.15
213.01
212.24
212.01
211.94
211.84
211.76
211.52
17
211.69
211.74
211.85
212.23
213.00
212.78
212.31
211.99
211.94
211.84
211.75
211.52
18
211.70
211.74
211.86
212.15
212.90
212.67
212.48
211.98
211.94
211.84
211.75
211.56
19
211.70
211.74
211.86
212.17
212.82
212.64
212.39
211.98
211.93
211.84
211.75
211.71
20
211.69
211.76
211.81
212.25
213.00
212.57
212.35
211.97
211.93
211.84
211.75
211.72
21
211.68
211.77
211.80
212.18
213.00
212.80
212.34
211.98
211.94
211.82
211.74
211.70
22
211.67
211.77
211.80
212.13
213.13
212.60
212.27
211.98
211.93
211.80
211.74
211.70
23
211.67
211.75
211.81
212.12
212.86
212.50
212.25
212.00
211.93
211.80
211.76
211.69
24
211.67
211.78
211.80
214.32
212.89
212.44
212.23
211.99
211.93
211.80
211.80
211.69
25
211.66
211.79
211.80
214.62
212.77
212.48
212.18
211.99
211.91
211.79
211.77
211.70
26
211.66
212.01
211.79
213.32
213.11
212.55
212.17
212.00
211.91
211.79
211.75
211.70
27
211.67
212.18
211.80
212.94
213.22
212.52
212.17
212.08
211.91
211.79
211.76
211.69
28
211.67
212.02
211.78
212.90
213.24
212.46
212.17
212.58
211.90
211.79
211.85
211.68
29
211.81
212.02
211.78
213.24
213.31
212.35
212.16
212.91
211.90
211.79
211.68
30
211.87
211.97
211.77
213.65
213.39
212.31
212.16
212.68
211.90
211.79
211.69
31
211.94
213.32
213.92
212.14
211.88
211.89
211.70
----------
--------------
Mean
211.72
211.84
211.90
212.53
213.45
213.14
212.29
212.10
211.99
211.84
211.81
211.70
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Max
211.91
212.20
212.09
214.62
216.35
215.51
212.59
212.91
212.60
211.89
211.98
211.87
216.35
Min
211.66
211.66
211.77
211.78
212.67
212.31
212.14
211.97
211.88
211.79
211.74
211.52
211.52
216.95
m. (MSL.) ,
210.90
m. (MSL.) ,
River Bed 210.59
m. (MSL.)
226.44
m. (MSL.) ,
224.10
m. (MSL.) ,
Drainage Area 3476 Square Kilometers
at 08.00 Hours , on Aug 10 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation