Page 422 - Yearbook2013_v56_new

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WATER YEAR : 2013
NAN RIVER BASIN
Nam Yao at Ban Nam Yao , Nan (N.49)
Lat 18 - 59 - 33 N Long 100 - 56 - 36 E
Locat on : on r g t an ownstream o t e r ge o Nam Yao, a ong Pua - S a P et Roa .
153
sq.km.
Water - stage recorder
+263.983 m. (MSL.)
B.M.-H.D.
On right bank about 15 meters from the top staff gage.
Elevation
Recording
Amphoe
Pua
Changwat
Nan
Ban
Nam Yao
Gage Reading Frequency
Zero Gage at Bottom
+270.035 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Drainge Area
Arithmetic mean of 24 readings
1979 to date
1979 to date
-
1979 to date
Stable.
No overbank flow.
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Records fair. Stage-discharge relation defined by 46 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
265.70
265.75
265.74
265.41
266.73
266.06
265.50
265.40
265.80
265.74
265.73
265.67
2
265.72
265.86
265.82
265.38
265.97
265.90
265.50
265.39
265.80
265.74
265.73
265.67
3
265.72
265.92
265.50
265.37
265.87
265.80
265.48
265.38
265.80
265.74
265.72
265.66
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
265.72
265.83
265.53
265.40
265.81
265.74
265.47
265.38
265.72
265.74
265.71
265.66
5
265.72
265.83
265.56
265.66
265.75
265.87
265.49
265.40
265.72
265.74
265.70
265.66
6
265.72
265.77
265.59
265.57
265.80
266.18
265.52
265.44
265.79
265.74
265.70
265.65
7
265.72
265.75
265.54
265.53
265.86
265.99
265.47
265.97
265.79
265.74
265.70
265.65
8
265.71
265.83
265.49
265.48
265.86
265.83
265.45
265.98
265.79
265.74
265.70
265.64
9
265.71
265.83
265.48
265.46
266.15
265.77
265.45
265.98
265.78
265.74
265.70
265.64
10
265.73
265.83
265.51
265.45
266.12
265.72
265.45
265.98
265.78
265.74
265.70
265.64
11
265.75
265.78
265.65
265.52
266.00
265.68
265.44
265.92
265.78
265.74
265.69
265.64
12
265 75
265 74
265 47
265 61
265 90
265 67
265 44
265 90
265 78
265 74
265 69
265 64
.
.
.
.
.
.
.
.
.
.
.
.
13
265.74
265.76
265.38
266.56
265.78
265.62
265.44
265.90
265.78
265.74
265.69
265.64
14
265.74
265.74
265.35
265.93
265.89
265.60
265.44
265.89
265.77
265.74
265.69
265.64
15
265.74
265.73
265.34
265.69
265.78
265.67
265.43
265.89
265.83
265.74
265.68
265.64
16
265.73
265.73
265.33
265.61
265.76
265.64
265.42
265.89
265.91
265.74
265.68
265.64
17
265.73
265.72
265.35
265.54
265.76
265.64
265.43
265.89
265.78
265.74
265.68
265.64
18
265.73
265.71
265.33
265.54
265.73
265.63
265.43
265.88
265.78
265.74
265.68
265.64
19
265.72
265.71
265.33
265.58
265.70
265.62
265.43
265.87
265.77
265.74
265.68
265.64
20
265.72
265.71
265.34
265.54
265.92
265.59
265.43
265.84
265.75
265.74
265.68
265.64
21
265.72
265.82
265.37
265.55
265.87
265.56
265.42
265.84
265.75
265.74
265.68
265.62
22
265.71
265.73
265.40
265.54
266.21
265.56
265.42
265.84
265.75
265.74
265.68
265.62
23
265.71
265.72
265.36
265.57
265.98
265.54
265.42
265.84
265.75
265.74
265.68
265.62
24
265.71
265.78
265.39
265.58
265.99
265.53
265.42
265.82
265.75
265.74
265.68
265.64
25
265.73
265.78
265.40
265.96
266.14
265.52
265.43
265.82
265.75
265.74
265.68
265.63
26
265.76
265.77
265.40
265.78
265.93
265.54
265.43
265.82
265.74
265.74
265.68
265.62
27
265.76
265.75
265.39
265.80
265.90
265.53
265.42
265.82
265.74
265.74
265.68
265.62
28
265.76
265.72
265.40
266.09
265.79
265.52
265.41
265.80
265.74
265.74
265.68
265.62
29
265.74
265.72
265.40
266.97
265.77
265.52
265.41
265.80
265.74
265.73
265.62
30
265.74
265.72
265.40
266.15
265.78
265.51
265.41
265.80
265.74
265.73
265.62
31
265.74
266.04
266.24
265.40
265.74
265.73
265.62
----------
--------------
Mean
265.73
265.77
265.45
265.71
265.93
265.68
265.44
265.78
265.77
265.74
265.69
265.64
Max
265.76
265.92
265.82
266.97
266.73
266.18
265.52
265.98
265.91
265.74
265.73
265.67
266.97
Min
265.70
265.71
265.33
265.37
265.70
265.51
265.40
265.38
265.72
265.73
265.68
265.62
265.33
267.82
m. (MSL.) ,
263.98
m. (MSL.) ,
River Bed 264.24
m. (MSL.)
273.20
m. (MSL.) ,
275.27
m. (MSL.) ,
Drainage Area 153 Square Kilometers
at 08.00 Hours , on Jul 13 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation
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