Basic HTML Version
368
Location : on right bank downstream of the bridge of Nam Yao, along Pua - Sila Phet Road.
153
sq.km.
Amphoe
Pua
Changwat
Nan
Ban
Nam Yao
WATER YEAR : 2012
NAN RIVER BASIN
Nam Yao at Ban Nam Yao , Nan (N.49)
Lat 18 - 59 - 33 N Long 100 - 56 - 36 E
Drainge Area
Water - stage recorder
+263.983 m. (MSL.)
B.M.-H.D.
On right bank about 15 meters from the top staff gage.
Elevation
Recording
Arithmetic mean of 24 readings
1979 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+270.035 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1979 to date
-
1979 to date
Stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 47 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
265.78
265.59
265.57
265.55
266.21
266.22
265.38
265.33
265.53
265.36
265.41
265.72
2
265.78
265.55
265.59
265.56
265.93
266.63
265.38
265.32
265.48
265.36
265.78
265.72
3
265.78
265.52
265.66
265.67
265.88
266.27
265.53
265.33
265.48
265.36
265.77
265.71
4
265.80
265.52
265.63
265.91
265.76
266.00
265.41
265.43
265.40
265.36
265.76
265.71
5
265.84
265.52
265.58
265.57
265.72
265.89
265.41
265.40
265.40
265.36
265.75
265.71
6
265.78
265.57
265.60
265.52
265.67
265.73
265.41
265.71
265.46
265.36
265.75
265.71
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
265.74
265.66
265.55
265.50
265.66
265.68
265.41
265.70
265.44
265.36
265.75
265.71
8
265.67
265.74
265.57
265.50
266.00
265.63
265.39
265.66
265.44
265.36
265.75
265.71
9
265.61
265.64
265.60
265.53
267.01
265.63
265.37
265.65
265.44
265.36
265.74
265.70
10
265.58
265.59
265.55
265.53
266.69
265.60
265.37
265.65
265.43
265.36
265.74
265.70
11
265.56
265.61
265.54
265.55
266.12
265.57
265.36
265.63
265.42
265.36
265.74
265.69
12
265.53
265.53
265.55
265.61
265.95
265.53
265.35
265.63
265.42
265.36
265.74
265.68
13
265.53
265.53
265.53
265.54
265.88
265.55
265.36
265.62
265.42
265.36
265.73
265.68
14
265.53
265.52
265.51
265.49
265.92
265.67
265.36
265.63
265.42
265.36
265.73
265.68
15
265.53
265.52
265.48
265.52
265.82
265.57
265.40
265.63
265.42
265.36
265.73
265.68
16
265.53
265.52
265.48
265.49
265.73
265.53
265.35
265.62
265.41
265.36
265.73
265.68
17
265.53
265.52
265.48
265.48
265.66
265.50
265.33
265.61
265.41
265.36
265.73
265.68
18
265.53
265.52
265.48
265.46
265.62
265.48
265.33
265.59
265.41
265.36
265.73
265.68
19
265.53
265.52
265.48
265.47
265.59
265.48
265.33
265.56
265.40
265.36
265.73
265.68
20
265.53
265.52
265.48
265.57
265.79
265.48
265.33
265.89
265.40
265.36
265.73
265.68
21
265.53
265.53
265.48
265.55
266.51
265.46
265.33
265.88
265.40
265.36
265.72
265.68
22
265.53
265.54
265.48
265.52
265.76
265.45
265.34
265.86
265.40
265.36
265.73
265.68
23
265.56
265.54
265.50
265.62
265.68
265.45
265.33
265.84
265.39
265.36
265.73
265.68
24
265.54
265.56
265.48
266.62
265.66
265.45
265.33
265.84
265.39
265.36
265.72
265.68
25
265.54
265.59
265.48
266.04
265.63
265.42
265.32
265.86
265.38
265.35
265.72
265.68
26
265.54
265.83
265.48
265.89
265.63
265.40
265.32
265.84
265.38
265.34
265.72
265.68
27
265.53
265.46
265.48
265.75
266.00
265.40
265.32
265.84
265.38
265.34
265.72
265.68
28
265.54
265.35
265.48
265.77
265.94
265.40
265.32
265.75
265.38
265.34
265.72
265.68
29
265.58
265.38
265.48
265.85
265.76
265.40
265.32
265.58
265.37
265.34
265.68
30
265.65
265.38
265.48
265.94
265.67
265.39
265.32
265.56
265.37
265.35
265.68
31
265.42
265.90
265.82
265.33
265.37
265.39
265.68
----------
--------------
Mean
265.61
265.54
265.52
265.66
265.89
265.63
265.36
265.65
265.41
265.36
265.73
265.69
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Max
265.84
265.83
265.66
266.62
267.01
266.63
265.53
265.89
265.53
265.39
265.78
265.72
267.01
Min
265.53
265.35
265.48
265.46
265.59
265.39
265.32
265.32
265.37
265.34
265.41
265.68
265.32
268.01
m. (MSL.) ,
263.98
m. (MSL.) ,
River Bed 264.33
m. (MSL.)
273.20
m. (MSL.) ,
275.27
m. (MSL.) ,
Drainage Area 153 Square Kilometers
at 05.00 Hours , on Aug 9 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation