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WATER YEAR : 2013
WANG RIVER BASIN
Wang River at Ban Hai , Lampang (W.16A)
Lat 18 - 46 - 45 N Long 99 - 37 - 52 E
Locat on : on e t an at Ban Ha
1,392
sq.km.
Water - stage recorder
+304.000 m. (MSL.)
B.M.-H.D.
On left bank about 10.00 meters from the top staff gage.
Elevation
Recording
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+310.113 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Chae Hom
Changwat
Lampang
Ban
Hai
Arithmetic mean of 24 readings
1995 to date
1995 to date
-
1995 to date
Fairly 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 fair.The pumping station is located about 150 meters upstream from the gage site.
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
305.41
305.25
304.97
304.90
304.95
304.91
304.94
305.69
304.89
305.44
305.42
304.90
2
305.47
305.24
304.97
304.90
304.95
304.91
304.94
305.70
304.88
305.43
305.52
304.90
3
305.57
304.99
304.97
304.90
304.95
304.90
304.95
305.48
304.89
305.43
305.56
304.90
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
305.56
304.97
304.97
304.91
304.95
304.90
304.95
305.22
304.88
305.43
305.58
304.90
5
305.65
304.97
304.97
304.91
304.95
304.90
304.96
304.98
304.88
305.43
305.61
304.90
6
305.84
304.97
304.97
304.91
304.95
304.92
305.04
304.97
304.88
305.43
305.82
304.90
7
305.84
304.97
304.96
304.91
304.95
304.91
304.99
304.92
304.88
305.44
305.97
304.94
8
305.84
304.97
304.96
305.00
305.03
304.91
304.97
304.92
304.88
305.38
305.50
305.00
9
305.83
304.97
304.96
305.22
305.10
304.92
304.95
304.92
304.88
305.12
305.23
305.00
10
305.83
304.97
304.96
305.23
305.00
304.94
304.94
304.92
304.90
305.14
305.11
304.99
11
305.76
304.97
304.94
305.23
304.90
304.93
304.93
304.92
304.97
305.15
305.04
305.00
12
305 61
304 97
304 90
305 23
304 87
304 91
304 89
304 92
304 97
305 15
305 04
305 05
.
.
.
.
.
.
.
.
.
.
.
.
13
305.61
304.97
304.90
305.23
304.90
304.92
304.80
304.91
304.97
305.15
305.04
305.12
14
305.61
304.98
304.90
305.23
304.90
304.97
304.79
304.91
304.97
305.11
305.05
305.16
15
305.60
304.98
304.90
305.22
304.90
304.94
304.79
304.91
304.97
304.97
305.05
305.20
16
305.61
304.98
304.90
305.22
304.90
304.94
304.79
304.91
305.02
304.98
305.05
305.18
17
305.60
304.98
304.90
305.22
304.91
304.93
304.80
304.91
305.09
304.98
305.05
305.18
18
305.60
304.98
304.90
305.22
304.91
304.92
304.88
304.91
305.07
304.98
305.05
305.20
19
305.59
304.98
304.90
305.22
304.90
304.91
305.03
304.93
305.01
304.98
305.05
305.19
20
305.59
304.98
304.90
305.18
304.90
304.91
304.97
304.95
305.01
304.98
305.00
305.19
21
305.59
304.98
304.90
305.07
304.90
304.91
305.25
304.89
305.01
304.98
304.90
305.17
22
305.59
304.98
304.90
305.07
304.91
304.91
306.07
304.90
305.00
304.98
304.90
305.14
23
305.59
304.98
304.90
305.07
304.91
304.91
305.96
304.90
305.01
304.96
304.90
305.09
24
305.50
304.98
304.90
305.09
304.93
304.91
305.92
304.89
305.01
304.90
304.90
304.96
25
305.26
304.98
304.90
305.10
304.91
304.92
305.94
304.89
305.01
304.89
304.90
304.96
26
305.26
304.97
304.90
305.10
304.90
304.92
305.94
304.88
305.22
304.89
304.90
304.99
27
305.26
304.97
304.90
305.10
304.90
304.98
305.93
304.88
305.19
304.89
304.90
305.02
28
305.25
304.97
304.90
305.10
304.89
305.01
305.90
304.89
305.18
304.89
304.90
305.14
29
305.25
304.97
304.90
305.08
304.90
304.98
305.74
304.91
305.23
304.95
305.21
30
305.25
304.97
304.90
305.05
304.90
304.97
305.79
304.89
305.46
305.20
305.27
31
304.97
305.03
304.90
305.76
305.42
305.37
305.32
----------
--------------
Mean
305.56
304.99
304.92
305.09
304.93
304.93
305.24
304.99
305.02
305.13
305.18
305.07
Max
305.84
305.25
304.97
305.23
305.10
305.01
306.07
305.70
305.46
305.44
305.97
305.32
306.07
Min
305.25
304.97
304.90
304.90
304.87
304.90
304.79
304.88
304.88
304.89
304.90
304.90
304.79
306.12
m. (MSL.) ,
304.00
m. (MSL.) ,
River Bed 303.25
m. (MSL.)
310.12
m. (MSL.) ,
310.10
m. (MSL.) ,
Drainage Area 1392 Square Kilometers
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at 10.00 Hours , on Oct 22 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation