Basic HTML Version
402
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WATER YEAR : 2013
NAN RIVER BASIN
Nam Yao at Ban Pang Sa , Nan (N.65)
Lat 19 - 13 - 47 N Long 100 - 45 - 27 E
Locat on : on r g t an at t e r ge on g way.
621
sq.km.
Water - stage recorder.
+248.891 m. (MSL.)
B.M.- H.D.
On right bank about 20 meters from the top staff gage.
Elevation
Recording
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+257.381 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Tha Wang Pha
Changwat
Nan
Ban
Pang Sa
Arithmetic mean of 24 readings
1996 to date
1996 to date
-
1996 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 good. Stage-discharge relation defined by 44 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
249.50
249.55
249.56
249.60
250.75
249.99
250.01
249.75
249.64
249.58
249.53
249.48
2
249.47
249.62
249.63
249.58
250.45
249.96
249.94
249.74
249.64
249.58
249.53
249.48
3
249.46
249.59
249.56
249.55
250.18
249.93
249.94
249.74
249.63
249.57
249.31
249.47
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
249.46
249.58
249.55
249.56
250.06
249.91
249.91
249.74
249.63
249.57
249.52
249.47
5
249.45
249.62
249.58
249.57
250.03
249.98
249.89
249.72
249.63
249.57
249.52
249.47
6
249.44
249.59
249.60
249.59
250.16
250.85
249.90
249.71
249.63
249.57
249.52
249.46
7
249.44
249.59
249.57
249.58
250.36
250.45
249.89
249.70
249.62
249.57
249.52
249.46
8
249.45
249.60
249.69
249.58
250.22
250.57
249.88
249.69
249.62
249.56
249.52
249.46
9
249.56
249.58
249.67
249.60
251.25
250.74
249.86
249.69
249.62
249.56
249.51
249.46
10
249.56
249.61
249.59
249.64
251.27
250.43
249.84
249.69
249.62
249.56
249.51
249.46
11
249.56
249.57
249.68
249.68
250.92
250.19
249.84
249.69
249.61
249.56
249.51
249.44
12
249 52
249 57
249 62
249 76
250 53
250 17
249 84
249 68
249 61
249 55
249 51
249 43
.
.
.
.
.
.
.
.
.
.
.
.
13
249.55
249.57
249.57
249.73
250.37
250.14
249.84
249.68
249.61
249.55
249.51
249.43
14
249.54
249.55
249.53
249.69
250.29
249.97
249.84
249.67
249.61
249.55
249.51
249.43
15
249.55
249.54
249.53
249.69
250.22
250.38
249.80
249.67
249.71
249.55
249.51
249.43
16
249.57
249.53
249.52
249.68
250.63
250.48
249.78
249.67
249.84
249.55
249.51
249.42
17
249.55
249.49
249.51
249.68
250.28
250.28
249.79
249.67
249.66
249.55
249.51
249.42
18
249.55
249.48
249.50
249.72
250.12
250.18
249.80
249.67
249.65
249.55
249.51
249.41
19
249.54
249.52
249.50
249.73
250.06
250.09
249.79
249.67
249.62
249.54
249.50
249.40
20
249.54
249.55
249.58
249.69
250.16
250.03
249.79
249.68
249.62
249.54
249.50
249.40
21
249.54
249.53
249.60
249.66
250.13
250.01
249.78
249.69
249.61
249.54
249.50
249.43
22
249.54
249.54
249.54
249.65
250.63
249.94
249.77
249.68
249.61
249.54
249.50
249.42
23
249.58
249.51
249.55
249.78
250.18
249.96
249.77
249.66
249.61
249.54
249.49
249.41
24
249.56
249.70
249.54
249.81
250.18
249.95
249.79
249.65
249.60
249.54
249.49
249.49
25
249.55
249.66
249.54
249.96
250.10
250.00
249.79
249.65
249.59
249.54
249.49
249.48
26
249.56
249.59
249.52
249.75
250.14
250.06
249.78
249.65
249.59
249.54
249.49
249.47
27
249.55
249.57
249.54
249.70
250.08
250.17
249.77
249.66
249.59
249.53
249.49
249.46
28
249.55
249.54
249.55
250.70
250.02
250.14
249.76
249.65
249.59
249.53
249.49
249.46
29
249.54
249.53
249.57
253.98
250.00
250.03
249.77
249.65
249.58
249.53
249.46
30
249.54
249.53
249.55
251.69
249.98
250.00
249.76
249.65
249.58
249.53
249.46
31
249.53
250.85
250.02
249.76
249.57
249.53
249.46
----------
--------------
Mean
249.53
249.57
249.57
249.95
250.32
250.17
249.83
249.68
249.62
249.55
249.50
249.45
Max
249.58
249.70
249.69
253.98
251.27
250.85
250.01
249.75
249.84
249.58
249.53
249.49
253.98
Min
249.44
249.48
249.50
249.55
249.98
249.91
249.76
249.65
249.57
249.53
249.31
249.40
249.31
255.41
m. (MSL.) ,
248.89
m. (MSL.) ,
River Bed 249.05
m. (MSL.)
256.72
m. (MSL.) ,
256.70
m. (MSL.) ,
Drainage Area 621 Square Kilometers
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at 10.00 Hours , on Jul 29 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation