Basic HTML Version
384
Location : on right bank at the bridge on highway.
621
sq.km.
Drainge Area
WATER YEAR : 2012
NAN RIVER BASIN
Nam Yao at Ban Pang Sa , Nan (N.65)
Lat 19 - 13 - 47 N Long 100 - 45 - 27 E
Amphoe
Tha Wang Pha
Changwat
Nan
Ban
Pang Sa
Water - stage recorder.
+248.891 m. (MSL.)
B.M.- H.D.
On right bank about 20 meters from the top staff gage.
Elevation
Recording
Arithmetic mean of 24 readings
1996 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+257.381 m. (MSL.)
Bench Mark
Type of Gage
1996 to date
-
1996 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 43 discharge measurements made in 2012.
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
249.54
249.51
249.73
249.60
250.10
249.93
249.82
249.72
249.82
249.59
249.59
249.50
2
249.54
249.49
249.75
249.71
250.05
250.99
249.79
249.72
249.78
249.59
249.56
249.50
3
249.52
249.49
249.75
249.62
250.03
250.49
249.83
249.72
249.73
249.58
249.51
249.50
4
249.55
249.48
249.68
249.58
250.01
250.23
249.85
249.73
249.71
249.58
249.53
249.49
5
249.75
249.48
249.64
249.91
249.92
250.17
249.89
249.73
249.69
249.58
249.53
249.50
6
249.65
249.50
249.67
250.03
249.89
250.01
249.93
249.73
249.68
249.57
249.53
249.51
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
249.58
249.78
249.66
249.79
249.92
249.95
249.89
249.74
249.68
249.57
249.54
249.50
8
249.56
249.85
249.68
249.79
249.92
249.92
249.81
249.73
249.67
249.56
249.54
249.49
9
249.57
249.72
249.69
249.69
251.16
250.02
249.79
249.71
249.65
249.56
249.53
249.49
10
249.65
249.52
249.72
249.69
250.97
250.19
249.77
249.70
249.64
249.56
249.52
249.48
11
249.57
249.52
249.70
249.76
251.07
250.06
249.77
249.71
249.65
249.56
249.52
249.48
12
249.55
249.56
249.63
249.91
251.24
249.95
249.76
249.72
249.66
249.56
249.52
249.48
13
249.61
249.55
249.59
249.91
250.32
249.92
249.76
249.69
249.65
249.56
249.52
249.47
14
249.57
249.52
249.58
249.91
250.26
250.09
249.76
249.69
249.64
249.56
249.52
249.47
15
249.56
249.50
249.62
250.24
250.11
250.07
249.76
249.70
249.64
249.55
249.52
249.47
16
249.56
249.50
249.56
249.94
250.25
249.96
249.77
249.69
249.64
249.55
249.52
249.46
17
249.58
249.54
249.56
249.86
250.11
249.90
249.87
249.68
249.64
249.55
249.51
249.46
18
249.53
249.54
249.59
249.79
250.01
249.89
249.91
249.66
249.64
249.55
249.51
249.46
19
249.53
249.55
249.57
249.81
250.00
249.88
249.80
249.64
249.63
249.55
249.51
249.46
20
249.52
249.59
249.55
249.85
250.03
249.90
249.78
249.64
249.62
249.54
249.52
249.46
21
249.49
249.55
249.53
249.83
250.14
249.89
249.78
249.64
249.62
249.54
249.53
249.45
22
249.50
249.62
249.53
249.77
249.90
249.88
249.77
249.64
249.62
249.54
249.53
249.45
23
249.52
249.63
249.53
249.74
249.84
249.86
249.75
249.64
249.62
249.54
249.52
249.45
24
249.50
249.84
249.53
250.70
249.94
249.86
249.75
249.63
249.62
249.54
249.52
249.45
25
249.49
249.59
249.53
250.27
249.97
249.91
249.74
249.63
249.62
249.54
249.52
249.44
26
249.48
249.57
249.51
249.98
249.97
249.92
249.74
249.65
249.62
249.53
249.51
249.44
27
249.49
249.84
249.53
249.92
249.96
249.93
249.73
249.79
249.62
249.53
249.51
249.44
28
249.54
249.79
249.52
249.89
249.93
249.92
249.73
249.94
249.62
249.53
249.51
249.45
29
249.54
249.77
249.50
249.92
250.01
249.85
249.73
249.91
249.61
249.53
249.45
30
249.56
249.75
249.49
249.88
249.99
249.81
249.72
249.86
249.61
249.56
249.45
31
249.75
249.86
249.95
249.72
249.61
249.65
249.46
----------
--------------
Mean
249.55
249.61
249.60
249.88
250.16
250.01
249.79
249.71
249.65
249.56
249.52
249.47
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
249.75
249.85
249.75
250.70
251.24
250.99
249.93
249.94
249.82
249.65
249.59
249.51
251.24
Min
249.48
249.48
249.49
249.58
249.84
249.81
249.72
249.63
249.61
249.53
249.51
249.44
249.44
251.71
m. (MSL.) ,
248.89
m. (MSL.) ,
River Bed 249.28
m. (MSL.)
256.72
m. (MSL.) ,
256.71
m. (MSL.) ,
Drainage Area 621 Square Kilometers
at 08.00 Hours , on Sep 2 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation