Basic HTML Version
20
Location : on left bank at the bridge of Amphoe Wang Saphung - Amphoe Mueang Highway.
219
sq.km.
Drainge Area
WATER YEAR : 2011
KHONG RIVER BASIN
Huai Nam Huai at Ban Nam Huai , Loei (Kh.78)
Lat 17 - 23 - 00 N Long 101 - 42 - 40 E
Amphoe
Mueang
Changwat
Loei
Ban
Nam Huai
Staff gage
+246.224 m. (MSL.)
B.M.- Highways Dept.
On left bank downstream side at the footpath of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic means of 3 readings
1983 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+256.495 m. (MSL.)
Bench Mark
Type of Gage
1993 to date
-
1993 to date
Stable.
No overbank flow.
Records good. The concrete weir situated about 700 meters downstream from the gage site.
Stage-discharge relation defined by 11 discharge measurements made in 2011.
Period of Rating
Rated by Flot
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
248.42
248.42
248.56
248.43
248.53
249.12
250.32
248.52
248.52
248.42
248.42
248.39
2
248.42
248.43
248.52
248.47
248.63
248.92
251.50
248.51
248.51
248.42
248.42
248.39
3
248.42
248.45
248.56
248.48
250.20
248.82
253.04
248.50
248.50
248.42
248.42
248.40
4
248.42
248.45
248.67
248.47
249.47
249.08
253.84
248.49
248.49
248.42
248.42
248.40
5
248.42
248.46
248.83
248.47
248.84
249.44
252.92
248.48
248.48
248.42
248.42
248.40
6
248.42
248.47
249.11
248.47
248.67
249.34
252.01
248.48
248.47
248.42
248.42
248.40
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
248.42
248.47
248.81
248.47
248.59
249.37
251.10
248.48
248.47
248.42
248.43
248.40
8
248.42
248.47
248.71
248.47
248.57
248.96
249.78
248.47
248.46
248.42
248.43
248.40
9
248.42
248.48
248.62
248.50
248.60
248.82
248.94
248.47
248.45
248.42
248.43
248.40
10
248.42
248.49
248.57
248.58
248.65
249.35
248.89
248.47
248.44
248.42
248.43
248.40
11
248.42
248.47
248.55
248.61
248.78
250.80
248.80
248.46
248.43
248.42
248.43
248.41
12
248.42
248.48
248.51
248.57
248.69
250.89
248.72
248.46
248.42
248.42
248.42
248.42
13
248.42
248.47
248.49
248.55
248.57
251.70
248.68
248.46
248.42
248.42
248.42
248.42
14
248.42
248.45
248.49
248.57
248.52
250.06
248.70
248.45
248.42
248.42
248.42
248.42
15
248.42
248.44
248.48
248.58
248.55
249.53
248.72
248.45
248.42
248.42
248.42
248.42
16
248.42
248.42
248.48
248.57
248.64
249.34
249.03
248.45
248.41
248.42
248.42
248.42
17
248.42
248.43
248.46
248.57
248.81
249.00
248.85
248.45
248.41
248.42
248.42
248.42
18
248.42
248.45
248.43
248.55
248.72
248.93
248.78
248.44
248.41
248.42
248.41
248.42
19
248.42
248.46
248.46
248.54
248.42
249.13
248.70
248.44
248.41
248.42
248.41
248.42
20
248.42
248.47
248.44
248.52
248.42
249.85
248.65
248.44
248.40
248.42
248.41
248.42
21
248.42
248.49
248.43
248.51
248.70
250.89
248.62
248.43
248.40
248.42
248.41
248.42
22
248.42
248.51
248.46
248.47
248.84
250.98
248.60
248.43
248.40
248.42
248.40
248.42
23
248.41
248.53
248.48
248.46
248.99
249.52
248.58
248.43
248.39
248.42
248.40
248.42
24
248.41
248.54
248.47
248.44
249.28
249.36
248.57
248.42
248.39
248.42
248.40
248.42
25
248.41
248.56
248.44
248.42
249.38
249.06
248.56
248.42
248.39
248.42
248.40
248.42
26
248.41
248.60
248.43
248.42
249.16
248.85
248.55
248.42
248.39
248.42
248.40
248.42
27
248.41
248.62
248.47
248.42
249.10
248.75
248.55
248.41
248.39
248.42
248.39
248.42
28
248.41
248.62
248.49
248.43
249.23
248.90
248.54
248.41
248.38
248.42
248.39
248.42
29
248.41
248.62
248.47
248.44
248.86
249.05
248.53
248.41
248.38
248.42
248.39
248.42
30
248.41
248.61
248.47
248.44
249.79
249.39
248.53
248.40
248.38
248.42
248.42
31
248.57
248.48
250.86
248.52
248.38
248.42
248.42
----------
--------------
Mean
248.42
248.50
248.55
248.50
248.94
249.51
249.49
248.45
248.43
248.42
248.41
248.41
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Max
248.42
248.62
249.11
248.61
250.86
251.70
253.84
248.52
248.52
248.42
248.43
248.42
253.84
Min
248.41
248.42
248.43
248.42
248.42
248.75
248.52
248.40
248.38
248.42
248.39
248.39
248.38
254.32
m. (MSL.) ,
246.22
m. (MSL.) ,
River Bed 247.62
m. (MSL)
254.36
m. (MSL.) ,
254.57
m. (MSL.) ,
Drainage Area 219 Square Kilometers
at 06.00 Hours , on Oct 4 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation