Basic HTML Version
14
Location : on right bank at Ban Pak Un.
12,328 sq.km.
WATER YEAR : 2014
KHONG RIVER BASIN
Songkhram River at Ban Pak Un , Nakhon Phanom (Kh.55)
Lat 17 - 38 - 10 N Long 104 - 15 - 04 E
Amphoe
Si Songkhram
Changwat
Nakhon Phanom
Ban
Pak Un
Drainge Area
Staff gage.
+132.220 m. (MSL.)
B.M.- H.D.
On right bank near the gage site.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic mean of 3 readings
1976 to date
+147.734 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
2013 to date
-
2013 to date
Rather unstable.
No overbank flow.
Records fair. Stage-discharge relation defined by 14 discharge measurements made in 2014.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Period of Rating
Rated by Flot
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
135.24
135.10
135.85
137.87
143.55
142.50
142.39
137.02
135.95
135.42
134.83
134.42
2
135.22
135.13
135.88
137.73
143.57
142.51
142.15
136.91
135.92
135.40
134.78
134.42
3
135.20
135.14
135.87
137.74
143.59
142.62
141.88
136.78
135.90
135.40
134.74
134.40
4
135.20
135.16
135.83
137.72
143.64
142.77
141.67
136.64
135.89
135.39
134.70
134.40
5
135.18
135.15
135.78
137.55
143.70
142.90
141.49
136.50
135.89
135.38
134.67
134.40
6
135.16
135.15
135.75
137.28
143.85
142.98
141.24
136.37
135.90
135.35
134.67
134.39
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Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
135.16
135.16
135.75
137.11
144.07
143.02
140.98
136.34
135.88
135.32
134.67
134.37
8
135.15
135.20
135.71
137.38
144.17
143.00
140.64
136.38
135.85
135.29
134.66
134.34
9
135.18
135.23
135.66
137.84
144.26
142.94
140.29
136.46
135.82
135.25
134.66
134.32
10
135.18
135.19
135.64
138.11
144.36
142.88
139.96
136.54
135.78
135.21
134.64
134.32
11
135.17
135.11
135.62
138.48
144.33
142.71
139.65
136.60
135.78
135.16
134.61
134.34
12
135.20
135.09
135.66
138.90
144.21
142.54
139.40
136.66
135.79
135.12
134.58
134.37
13
135.23
135.18
135.87
139.40
144.09
142.34
139.08
136.74
135.78
135.06
134.54
134.46
14
135.26
135.30
136.13
139.92
144.07
142.13
138.73
136.78
135.76
135.01
134.51
134.64
15
135.28
135.41
136.29
140.23
143.97
141.89
138.36
136.73
135.73
134.97
134.50
134.89
16
135.30
135.47
136.49
140.45
143.87
141.65
138.10
136.64
135.72
134.98
134.47
135.17
17
135.28
135.44
136.59
140.71
143.79
141.47
137.84
136.48
135.71
135.03
134.49
135.28
18
135.23
135.37
136.96
141.05
143.62
141.68
137.67
136.31
135.69
135.13
134.52
135.32
19
135.18
135.31
137.83
141.33
143.43
141.90
137.51
136.16
135.66
135.28
134.56
135.32
20
135.13
135.32
138.26
141.64
143.34
141.86
137.33
136.03
135.63
135.40
134.60
135.30
21
135.09
135.34
138.14
142.02
143.30
141.77
137.23
135.93
135.62
135.37
134.63
135.26
22
135.00
135.34
137.79
142.21
143.27
141.84
137.15
135.83
135.60
135.30
134.61
135.23
23
134.94
135.31
137.75
142.20
143.21
142.13
137.08
135.78
135.56
135.17
134.57
135.22
24
134.84
135.30
138.18
142.08
143.16
142.55
137.02
135.80
135.54
135.07
134.51
135.22
25
134.77
135.34
138.99
142.02
143.05
142.74
136.94
135.87
135.52
134.99
134.46
135.22
26
134.75
135.44
139.37
142.17
142.92
142.86
136.91
135.91
135.51
134.94
134.43
135.22
27
134.82
135.54
139.22
142.46
142.80
142.92
136.90
135.93
135.52
134.92
134.43
135.22
28
134.94
135.58
138.90
142.79
142.69
142.89
136.95
135.92
135.50
134.90
134.41
135.25
29
135.03
135.61
138.52
143.12
142.58
142.75
137.03
135.92
135.48
134.88
135.33
30
135.07
135.67
138.14
143.37
142.54
142.56
137.11
135.94
135.46
134.86
135.40
31
135.78
143.50
142.54
137.09
135.43
134.86
135.47
----------
--------------
Mean
135.11
135.32
136.95
140.21
143.53
142.44
138.83
136.33
135.70
135.16
134.59
134.87
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Max
135.30
135.78
139.37
143.50
144.36
143.02
142.39
137.02
135.95
135.42
134.83
135.47
144.36
Min
134.75
135.09
135.62
137.11
142.54
141.47
136.90
135.78
135.43
134.86
134.41
134.32
134.32
144.37
m. (MSL.) ,
132.22
m. (MSL.) ,
River Bed 131.66
m. (MSL.)
147.41
m. (MSL.) ,
146.18
m. (MSL.) ,
Drainage Area 12328 Square Kilometers
at 18.00 Hours , on Aug 10 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation