Basic HTML Version
8
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WATER YEAR : 2013
KHONG RIVER BASIN
Loei River at Ban Na Lak , Loei (Kh.28A)
Lat 17 - 18 - 32 N Long 101 - 46 - 25 E
Locat on : on r g t an at t e r ge o Wang Sap ung - Loe H g way.
1,271
sq.km.
Water - stage recorder.
+239.620 m. (MSL.)
B.M.- Highways Dept.
On right bank upstream at the footpath of the bridge.
Elevation
Recording
Amphoe
Wang Saphung
Changwat
Loei
Ban
Na Lak
Gage Reading Frequency
Zero Gage at Bottom
+252.730 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Drainge Area
Arithmetic mean of 24 readings
1994 to date
1994 to date
-
1994 to date
Stable.
No overbank flow.
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Records good. Stage-discharge relation defined by 20 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
239.22
239.37
240.03
239.79
241.06
242.45
241.05
239.95
239.53
239.42
239.30
239.24
2
239.22
239.39
239.85
239.71
241.66
241.15
241.01
239.91
239.52
239.42
239.29
239.22
3
239.23
239.38
239.79
239.65
241.98
240.48
241.84
239.87
239.51
239.41
239.29
239.18
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
239.22
239.35
239.81
239.80
240.65
240.33
241.37
239.82
239.50
239.40
239.29
239.19
5
239.22
239.35
240.18
240.07
240.28
240.20
240.76
239.79
239.49
239.39
239.29
239.21
6
239.23
239.36
240.50
239.88
240.12
240.15
240.51
239.74
239.49
239.39
239.29
239.18
7
239.28
239.38
240.73
239.92
240.32
240.50
240.34
239.74
239.50
239.39
239.29
239.19
8
239.26
239.58
240.59
240.15
241.27
240.93
240.23
239.73
239.51
239.39
239.29
239.21
9
239.26
239.49
240.21
240.52
240.58
240.84
240.14
239.72
239.53
239.39
239.28
239.21
10
239.24
239.53
239.94
240.73
240.62
240.70
240.06
239.70
239.52
239.39
239.27
239.24
11
239.23
239.54
239.80
241.02
241.47
240.55
240.01
239.68
239.51
239.39
239.26
239.27
12
239 22
239 55
239 72
240 74
241 22
242 10
239 97
239 73
239 51
239 38
239 26
239 26
.
.
.
.
.
.
.
.
.
.
.
.
13
239.22
239.56
239.72
240.36
240.48
244.24
239.93
240.04
239.51
239.38
239.25
239.24
14
239.22
239.52
239.70
240.19
240.31
242.73
239.90
239.65
239.50
239.37
239.22
239.23
15
239.22
239.50
239.68
240.10
240.17
243.40
239.88
239.86
239.49
239.37
239.21
239.23
16
239.22
239.49
239.68
240.14
240.03
243.80
239.88
239.85
239.49
239.36
239.21
239.23
17
239.23
239.43
239.66
240.12
239.98
241.85
241.47
239.81
239.54
239.35
239.25
239.29
18
239.24
239.40
239.62
240.19
239.92
242.03
243.52
239.70
239.59
239.35
239.26
239.26
19
239.24
239.40
239.57
239.99
239.87
242.09
242.84
239.67
239.58
239.36
239.26
239.22
20
239.29
239.40
239.54
239.87
239.85
240.91
241.69
239.66
239.54
239.36
239.24
239.42
21
239.29
239.49
239.54
239.79
239.83
241.13
240.84
239.63
239.50
239.35
239.25
239.33
22
239.29
239.46
239.57
239.73
240.14
244.11
240.44
239.60
239.48
239.34
239.23
239.29
23
239.29
239.48
239.67
239.75
242.62
242.36
240.28
239.60
239.47
239.34
239.22
239.28
24
239.28
239.70
239.71
241.38
242.28
241.10
240.46
239.59
239.44
239.34
239.22
239.27
25
239.32
240.07
239.75
240.97
240.89
240.86
241.43
239.58
239.43
239.34
239.24
239.26
26
239.31
239.92
239.85
240.65
240.48
241.06
241.31
239.57
239.42
239.33
239.24
239.26
27
239.36
239.77
239.98
240.31
240.45
241.86
240.64
239.57
239.42
239.33
239.24
239.26
28
239.38
239.68
240.71
240.29
240.26
243.96
240.31
239.55
239.42
239.31
239.24
239.26
29
239.38
239.60
240.16
242.19
240.50
242.94
240.16
239.55
239.42
239.29
239.26
30
239.38
239.57
239.91
243.07
240.37
241.54
240.06
239.54
239.42
239.28
239.26
31
239.57
241.52
240.70
239.99
239.42
239.27
239.26
----------
--------------
Mean
239.27
239.53
239.91
240.41
240.66
241.74
240.72
239.71
239.49
239.36
239.26
239.25
Max
239.38
240.07
240.73
243.07
242.62
244.24
243.52
240.04
239.59
239.42
239.30
239.42
244.24
Min
239.22
239.35
239.54
239.65
239.83
240.15
239.88
239.54
239.42
239.27
239.21
239.18
239.18
244.78
m. (MSL.) ,
239.62
m. (MSL.) ,
River Bed 237.31
m. (MSL.)
246.26
m. (MSL.) ,
246.01
m. (MSL.) ,
Drainage Area 1271 Square Kilometers
at 05.00 Hours , on Sep 13 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation
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