Basic HTML Version
396
Location : on right bank at the bridge on highway from Tambon Bo.
3,476
sq.km.
Drainge Area
WATER YEAR : 2011
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
Water - stage recorder
+210.900 m. (MSL.)
B.M.- Temporary.
On right bank at the approach of the bridge.
Elevation
Recording
Arithmetic means of 24 readings
1994 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+223.555 m. (MSL.)
Bench Mark
Type of Gage
1994 to date
-
1994 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 51 discharge measurements made in 2011.
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
211.62
212.01
212.30
215.94
214.61
213.88
214.97
212.63
211.92
211.78
211.73
211.67
2
211.62
211.86
212.07
214.85
215.16
213.75
214.80
212.56
211.92
211.78
211.72
211.66
3
211.60
211.87
212.03
214.32
215.17
213.47
214.09
212.48
211.92
211.77
211.72
211.66
4
211.60
212.19
212.01
214.09
214.07
213.83
213.74
212.27
211.91
211.77
211.72
211.66
5
211.60
212.11
212.02
213.61
214.07
214.93
213.50
212.19
211.89
211.77
211.72
211.66
6
211.59
212.39
212.50
213.27
213.99
215.09
213.30
212.15
211.86
211.77
211.72
211.66
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
211.74
212.17
212.76
213.08
216.63
215.94
213.18
212.14
211.84
211.77
211.71
211.66
8
211.88
211.93
212.35
212.89
216.47
216.87
213.14
212.12
211.84
211.77
211.71
211.66
9
211.73
211.86
212.41
212.86
215.37
215.98
213.13
212.10
211.83
211.77
211.71
211.67
10
211.65
212.09
212.22
214.07
215.40
215.42
213.05
212.09
211.82
211.76
211.71
211.67
11
211.67
212.78
212.10
214.25
214.86
214.90
212.97
212.08
211.80
211.76
211.71
211.67
12
211.67
212.25
212.08
213.47
215.16
214.27
212.89
212.08
211.80
211.76
211.70
211.68
13
211.64
212.03
212.07
213.57
214.92
214.02
212.78
212.08
211.80
211.77
211.70
211.68
14
211.65
212.01
212.01
216.49
214.54
214.01
212.72
212.08
211.80
211.76
211.70
211.67
15
211.63
211.97
211.99
216.87
214.23
214.15
212.70
212.07
211.80
211.76
211.70
211.70
16
211.63
211.97
211.97
216.78
213.92
214.49
212.84
212.05
211.80
211.77
211.70
211.71
17
211.64
212.02
211.96
217.71
214.61
214.34
212.68
212.04
211.80
211.77
211.69
211.70
18
211.65
212.89
211.94
215.71
214.46
215.78
212.60
212.03
211.80
211.76
211.69
211.70
19
211.65
212.65
211.93
214.82
215.22
217.33
212.57
212.02
211.80
211.75
211.69
211.68
20
211.63
212.54
212.01
215.68
217.22
215.95
212.50
212.00
211.80
211.75
211.69
211.68
21
211.62
212.82
212.00
215.36
217.02
216.74
212.46
211.99
211.80
211.75
211.68
211.67
22
211.61
212.43
211.97
215.27
218.57
216.19
212.42
211.98
211.79
211.74
211.68
211.67
23
211.61
212.04
211.93
214.73
216.81
215.27
212.37
211.98
211.79
211.74
211.67
211.65
24
211.71
211.94
211.94
215.27
215.69
214.96
212.34
211.97
211.78
211.74
211.67
211.65
25
211.85
212.16
212.68
214.64
215.29
214.68
212.30
211.97
211.78
211.73
211.67
211.64
26
211.75
212.24
218.97
213.96
215.23
214.60
212.30
211.96
211.78
211.73
211.67
211.64
27
211.67
212.12
222.39
213.78
214.97
214.91
212.30
211.96
211.79
211.72
211.67
211.64
28
211.65
212.26
221.17
213.88
214.80
214.31
212.30
211.95
211.78
211.72
211.67
211.69
29
211.66
212.37
217.39
213.52
214.25
214.01
212.28
211.94
211.78
211.72
211.67
211.68
30
211.69
212.27
215.24
213.36
214.03
213.96
212.25
211.94
211.78
211.72
211.65
31
212.36
213.92
213.95
212.25
211.78
211.73
211.64
----------
--------------
Mean
211.66
212.21
213.28
214.58
215.18
214.93
212.89
212.10
211.82
211.75
211.70
211.67
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
211.88
212.89
222.39
217.71
218.57
217.33
214.97
212.63
211.92
211.78
211.73
211.71
222.39
Min
211.59
211.86
211.93
212.86
213.92
213.47
212.25
211.94
211.78
211.72
211.67
211.64
211.59
222.60
m. (MSL.) ,
210.90
m. (MSL.) ,
River Bed 210.55
m. (MSL)
226.43
m. (MSL.) ,
224.10
m. (MSL.) ,
Drainage Area 3476 Square Kilometers
at 10.00 Hours , on Jun 27 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation