Basic HTML Version
416
i
l f b k h b id
WATER YEAR : 2013
NAN RIVER BASIN
Nam Wa at Tha Li Bridge , Nan (N.75)
Lat 18 - 33 - 00 N Long 100 - 48 - 41 E
Locat on : on e t an at t e r ge.
2,170
sq.km.
Water - stage recorder
+182.805 m. (MSL.)
B.M.- H.D.
On left bank at the approach of the bridge.
Elevation
Recording
+196.616 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Wiang Sa
Changwat
Nan
Ban
Tha Li Bridge
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 24 readings
2006 to date
2006 to date
-
2006 to date
Fairly stable.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records fair. Stage-discharge relation defined by 45 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
184.16
184.02
184.20
184.45
187.37
186.02
185.21
184.68
184.46
184.30
184.20
184.13
2
184.14
184.02
184.20
184.51
187.65
186.04
185.20
184.67
184.45
184.30
184.20
184.13
3
184.14
184.02
184.28
184.40
187.35
186.11
185.20
184.66
184.44
184.28
184.19
184.12
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
184.14
184.02
184.45
184.40
186.41
186.31
185.26
184.66
184.44
184.28
184.19
184.12
5
184.14
184.04
184.64
184.43
186.23
186.69
185.23
184.64
184.43
184.28
184.18
184.12
6
184.13
184.04
184.65
184.62
186.17
187.38
185.16
184.59
184.42
184.28
184.18
184.11
7
184.13
184.06
184.41
184.61
186.01
186.77
185.07
184.58
184.41
184.28
184.17
184.11
8
184.12
184.12
184.26
184.57
186.03
186.74
185.00
184.57
184.41
184.28
184.16
184.11
9
184.11
184.06
184.26
184.53
187.38
186.74
184.99
184.57
184.40
184.27
184.15
184.11
10
184.10
184.09
184.26
184.52
188.17
186.74
184.96
184.57
184.40
184.27
184.15
184.11
11
184.10
184.14
184.55
184.75
188.98
186.06
184.91
184.56
184.39
184.27
184.14
184.10
12
184 06
184 32
184 36
185 51
187 74
186 04
184 89
184 56
184 39
184 26
184 14
184 10
.
.
.
.
.
.
.
.
.
.
.
.
13
184.05
184.43
184.38
185.40
186.97
186.01
184.86
184.56
184.38
184.26
184.14
184.10
14
184.04
184.32
184.21
185.34
186.61
186.09
184.81
184.59
184.38
184.26
184.15
184.09
15
184.03
184.20
184.20
185.02
186.59
186.09
184.79
184.59
184.48
184.26
184.16
184.08
16
184.01
184.19
184.19
184.94
186.33
186.31
184.79
184.58
184.72
184.25
184.16
184.08
17
184.00
184.18
184.17
185.35
186.13
186.09
184.79
184.56
184.66
184.25
184.17
184.07
18
183.99
184.16
184.16
185.34
186.08
185.96
184.80
184.56
184.61
184.25
184.17
184.07
19
183.98
184.16
184.20
185.34
185.95
185.81
184.90
184.56
184.57
184.24
184.16
184.07
20
183.98
184.15
184.21
185.36
187.25
185.80
185.00
184.56
184.53
184.24
184.16
184.06
21
183.98
184.17
184.24
185.38
187.31
185.70
184.91
184.55
184.48
184.24
184.16
184.06
22
183.98
184.17
184.26
185.40
187.16
185.53
184.88
184.54
184.40
184.24
184.15
184.06
23
184.02
184.24
184.26
185.36
187.04
185.47
184.90
184.53
184.36
184.24
184.15
184.07
24
184.02
184.34
184.27
185.68
186.88
185.44
184.99
184.53
184.34
184.24
184.14
184.08
25
184.02
184.31
184.32
185.49
186.76
185.48
184.97
184.52
184.33
184.23
184.14
184.08
26
184.02
184.28
184.61
186.05
186.61
185.46
184.80
184.51
184.33
184.23
184.14
184.09
27
184.02
184.26
184.56
185.94
186.48
185.40
184.79
184.50
184.32
184.23
184.13
184.10
28
184.02
184.25
184.51
185.96
186.24
185.35
184.79
184.49
184.32
184.22
184.13
184.10
29
184.02
184.25
184.50
190.11
186.25
185.30
184.75
184.49
184.32
184.22
184.10
30
184.02
184.24
184.49
188.61
185.99
185.26
184.73
184.49
184.31
184.21
184.09
31
184.26
188.04
185.95
184.72
184.31
184.21
184.09
----------
--------------
Mean
184.06
184.18
184.34
185.46
186.78
186.01
184.94
184.57
184.43
184.25
184.16
184.09
Max
184.16
184.43
184.65
190.11
188.98
187.38
185.26
184.68
184.72
184.30
184.20
184.13
190.11
Min
183.98
184.02
184.16
184.40
185.95
185.26
184.72
184.49
184.31
184.21
184.13
184.06
183.98
190.78
m. (MSL.) ,
182.80
m. (MSL.) ,
River Bed 181.21
m. (MSL.)
196.56
m. (MSL.) ,
196.48
m. (MSL.) ,
Drainage Area 2170 Square Kilometers
at 12.00 Hours , on Jul 29 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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