Basic HTML Version
340
Location : on right bank in front of Forestry Office.
4,560
sq.km.
WATER YEAR : 2012
NAN RIVER BASIN
Nan River at Forestry Office , Nan (N.1)
Lat 18 - 46 - 26 N Long 100 - 46 - 56 E
Amphoe
Mueang
Changwat
Nan
Ban
Forestry Office
Drainge Area
Water - stage recorder.
+192.200 m. (MSL.)
B.M.-H.D.
On west side of automatic gage building.
Elevation
Recording
Arithmetic mean of 24 readings
1922 - 1956 , 1962 to date
+199.868 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
1954 - 1956 , 1979 to date
-
1954 - 1956 , 1979 to date
Stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 50 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
192.15
192.50
192.85
192.24
194.43
195.18
193.09
192.74
192.98
192.35
192.63
192.12
2
192.22
192.39
192.85
192.29
194.40
196.42
193.07
192.72
192.85
192.34
192.44
192.11
3
192.21
192.26
192.77
192.43
194.19
196.62
193.11
192.70
192.80
192.34
192.37
192.11
4
192.18
192.21
193.05
192.52
194.35
196.52
193.22
192.74
192.74
192.33
192.34
192.12
5
192.55
192.17
192.77
192.84
194.12
195.25
193.27
192.80
192.69
192.32
192.32
192.18
6
192.67
192.28
192.65
193.45
193.87
194.68
193.36
192.76
192.65
192.32
192.31
192.22
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
192.51
192.76
192.63
193.16
193.64
194.35
193.35
192.74
192.62
192.32
192.30
192.18
8
192.49
193.12
192.67
193.08
193.60
194.17
193.22
192.70
192.60
192.31
192.28
192.15
9
192.44
193.08
192.70
192.87
195.75
194.04
193.10
192.67
192.58
192.31
192.26
192.13
10
192.37
192.79
192.79
192.82
197.91
194.54
193.01
192.65
192.55
192.31
192.25
192.13
11
192.37
192.57
192.67
192.76
196.80
194.24
192.96
192.62
192.53
192.31
192.23
192.14
12
192.30
192.53
192.60
192.85
195.82
193.94
192.93
192.60
192.51
192.31
192.22
192.12
13
192.24
192.45
192.52
193.35
195.00
193.79
192.91
192.59
192.50
192.30
192.21
192.11
14
192.22
192.36
192.48
193.08
194.62
194.32
192.92
192.58
192.49
192.31
192.21
192.09
15
192.19
192.30
192.41
192.89
194.29
194.56
192.98
192.59
192.47
192.31
192.21
192.08
16
192.18
192.33
192.40
193.40
194.21
194.14
193.00
192.58
192.46
192.30
192.20
192.08
17
192.20
192.31
192.39
193.00
194.09
193.82
192.93
192.55
192.45
192.30
192.20
192.08
18
192.23
192.34
192.37
192.84
193.95
193.65
192.94
192.54
192.44
192.30
192.20
192.07
19
192.19
192.42
192.39
192.88
193.78
193.56
193.21
192.55
192.43
192.30
192.19
192.07
20
192.25
192.32
192.34
193.05
193.82
193.50
193.09
192.54
192.42
192.29
192.18
192.06
21
192.26
192.38
192.31
192.97
194.08
193.66
193.06
192.55
192.41
192.29
192.18
192.06
22
192.26
192.43
192.31
192.84
194.36
193.54
193.01
192.57
192.41
192.29
192.19
192.05
23
192.25
192.39
192.30
192.76
193.89
193.42
192.95
192.55
192.40
192.29
192.25
192.05
24
192.21
192.44
192.29
194.10
194.27
193.33
192.91
192.52
192.39
192.29
192.23
192.04
25
192.17
192.52
192.29
196.15
194.11
193.32
192.88
192.55
192.39
192.29
192.19
192.04
26
192.15
192.50
192.28
194.64
194.35
193.41
192.83
192.61
192.39
192.29
192.17
192.04
27
192.12
193.35
192.27
194.07
194.52
193.30
192.81
192.58
192.38
192.29
192.15
192.04
28
192.14
192.90
192.27
193.83
194.63
193.40
192.79
193.09
192.37
192.30
192.13
192.04
29
192.36
192.90
192.25
194.03
194.46
193.23
192.76
193.79
192.37
192.30
192.04
30
192.51
192.87
192.25
194.76
194.51
193.14
192.73
193.30
192.36
192.30
192.03
31
192.77
194.30
194.54
192.72
192.35
192.47
192.03
----------
--------------
Mean
192.29
192.55
192.50
193.30
194.53
194.17
193.00
192.70
192.52
192.31
192.25
192.09
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Max
192.67
193.35
193.05
196.15
197.91
196.62
193.36
193.79
192.98
192.47
192.63
192.22
197.91
Min
192.12
192.17
192.25
192.24
193.60
193.14
192.72
192.52
192.35
192.29
192.13
192.03
192.03
198.52
m. (MSL.) ,
192.20
m. (MSL.) ,
River Bed 188.73
m. (MSL.)
203.92
m. (MSL.) ,
203.82
m. (MSL.) ,
Drainage Area 4560 Square Kilometers
at 15.00 Hours , on Aug 10 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation