276
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WATER YEAR : 2013
WANG RIVER BASIN
Wang River at Ban Ko Kha , Lampang (W.5A)
Lat 18 - 11 - 21 N Long 99 - 24 - 04 E
Locat on : on r g t an upstream rom S r yong Br ge.
5,278
sq.km.
Water - stage recorder
+216.855 m. (MSL.)
B.M.-H.D.
On right bank near automatic gage building
Elevation
Recording
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+219.743 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Ko Kha
Changwat
Lampang
Ban
Ko Kha
Arithmetic mean of 24 readings
2011 to date
2011 to date
-
2011 to date
Fairly stable because of backwater effect.
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 fair. 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
217.02
217.00
216.98
217.01
217.14
217.33
217.61
217.44
217.06
216.98
216.92
216.82
2
217.00
217.00
216.98
217.00
217.11
217.28
217.46
217.40
217.10
217.01
216.90
216.92
3
216.99
216.99
216.97
216.95
217.09
217.15
217.59
217.34
217.12
217.03
216.88
216.94
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
216.96
216.98
216.98
216.91
217.09
217.08
217.56
217.29
217.16
217.03
216.87
216.94
5
216.97
216.99
216.97
216.87
217.13
217.03
217.37
217.27
217.17
217.03
216.87
216.96
6
216.96
216.98
216.95
216.85
217.16
217.07
217.45
217.19
217.12
217.05
216.85
216.99
7
216.97
216.96
216.95
216.86
217.16
217.26
217.55
217.18
217.13
217.05
216.82
217.01
8
217.00
216.96
216.95
217.01
217.28
217.24
217.31
217.11
217.12
217.02
216.91
217.02
9
217.00
216.95
216.93
217.05
217.32
217.41
217.23
217.06
217.09
217.02
217.12
217.05
10
217.02
216.95
216.93
217.11
217.37
217.75
217.22
217.06
217.04
217.02
217.04
217.05
11
217.02
216.98
216.98
217.10
217.47
217.64
217.17
217.06
217.02
216.99
216.99
217.04
12
216 99
217 05
216 98
217 10
217 62
217 43
217 15
217 11
217 03
216 96
216 95
217 03
.
.
.
.
.
.
.
.
.
.
.
.
13
217.03
217.05
216.97
217.08
217.45
217.37
217.14
217.11
217.13
216.95
216.95
217.02
14
217.07
217.06
216.98
217.06
217.24
217.34
217.13
217.12
217.22
216.95
216.96
216.99
15
217.08
217.01
216.97
217.06
217.15
217.31
217.12
217.24
217.09
216.96
216.97
216.96
16
217.15
216.97
216.95
217.06
217.11
217.36
217.12
217.15
217.08
216.96
216.99
216.94
17
217.09
216.98
216.95
217.04
217.04
217.41
217.15
217.15
217.11
216.96
217.03
217.06
18
217.01
216.97
216.95
217.02
217.01
217.34
217.75
217.15
217.10
216.96
217.00
217.24
19
217.00
216.99
216.93
217.00
216.98
217.50
218.46
217.15
217.06
216.96
216.96
216.98
20
216.99
217.00
216.93
216.99
216.96
217.40
218.08
217.14
217.07
216.96
216.94
217.04
21
216.92
217.09
216.94
216.98
216.97
217.24
218.03
217.22
217.05
216.96
216.92
217.01
22
216.94
217.10
216.94
216.96
217.25
217.22
218.44
217.30
217.02
216.96
216.91
216.98
23
216.96
217.08
216.96
216.97
217.51
217.21
218.11
217.24
216.97
216.96
216.91
216.96
24
216.96
217.00
216.94
217.21
217.30
217.21
217.95
217.18
216.96
216.97
216.92
216.96
25
216.98
216.98
217.02
217.10
217.31
217.19
217.89
217.17
216.94
216.98
216.92
216.97
26
216.99
216.98
217.02
217.17
217.24
217.22
217.73
217.20
216.91
216.99
216.90
216.98
27
217.05
216.99
217.05
217.08
217.21
217.49
217.53
217.10
216.90
217.04
216.85
217.00
28
217.01
216.98
217.01
217.07
217.16
217.63
217.38
217.01
216.91
217.06
216.78
217.02
29
217.03
216.98
217.01
217.09
217.13
217.68
217.30
217.03
216.94
217.02
217.03
30
217.01
216.98
217.02
217.14
217.08
217.64
217.34
217.04
216.96
216.98
217.04
31
216.99
217.17
217.14
217.44
216.96
216.96
217.04
----------
--------------
Mean
217.01
217.00
216.97
217.03
217.20
217.35
217.54
217.17
217.05
216.99
216.93
217.00
Max
217.15
217.10
217.05
217.21
217.62
217.75
218.46
217.44
217.22
217.06
217.12
217.24
218.46
Min
216.92
216.95
216.93
216.85
216.96
217.03
217.12
217.01
216.90
216.95
216.78
216.82
216.78
218.55
m. (MSL.) ,
216.86
m. (MSL.) ,
River Bed 212.49
m. (MSL.)
221.25
m. (MSL.) ,
221.10
m. (MSL.) ,
Drainage Area 5278 Square Kilometers
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at 11.00 Hours , on Oct 19 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation