Basic HTML Version
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WATER YEAR : 2013
KHONG RIVER BASIN
Songkhram River at Ban Pak Un , Nakhon Phanom (Kh.55)
Lat 17 - 38 - 10 N Long 104 - 15 - 04 E
Locat on : on r g t an at Ban Pa Un.
12,328 sq.km.
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.
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+147.734 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Si Songkhram
Changwat
Nakhon Phanom
Ban
Pak Un
Arithmetic mean of 3 readings
1976 to date
2013 to date
-
2013 to date
Stable.
Overbank flow starts at elevation +145.010 m.(MSL.), records are channel flow only.
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 20 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
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-----------------
1
134.08
134.72
136.13
139.70
144.46
143.98
140.74
138.45
136.53
135.82
135.36
135.09
2
134.03
134.75
135.97
139.47
144.65
143.95
140.72
138.24
136.44
135.78
135.30
135.08
3
134.04
134.79
135.85
139.14
144.78
143.93
140.68
137.97
136.37
135.74
135.25
135.11
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
134.04
134.88
135.75
138.82
144.85
143.83
140.56
137.75
136.27
135.70
135.22
135.17
5
134.03
134.97
135.79
138.68
144.89
143.70
140.44
137.62
136.22
135.65
135.20
135.22
6
134.02
134.99
136.06
138.53
144.88
143.57
140.07
137.57
136.22
135.62
135.19
135.26
7
134.02
135.01
136.39
138.34
144.86
143.44
139.69
137.62
136.22
135.61
135.15
135.29
8
134.00
135.01
136.69
138.21
144.80
143.35
139.28
137.64
136.21
135.61
135.08
135.32
9
133.99
135.05
136.80
138.29
144.83
143.26
138.82
137.58
136.19
135.59
134.98
135.35
10
134.00
135.11
136.79
138.56
144.91
143.26
138.40
137.58
136.11
135.56
134.93
135.39
11
134.02
135.17
136.66
139.01
145.01
143.32
138.02
137.57
136.03
135.52
134.87
135.39
12
134 06
135 22
136 65
139 44
145 06
143 32
137 73
137 34
135 98
135 48
134 81
135 35
.
.
.
.
.
.
.
.
.
.
.
.
13
134.12
135.29
136.81
139.69
145.07
143.30
137.59
137.17
135.98
135.47
134.78
135.33
14
134.14
135.44
136.96
139.87
145.05
143.25
137.51
137.07
135.97
135.47
134.74
135.33
15
134.13
135.62
137.02
140.12
145.00
143.24
137.44
136.99
135.98
135.47
134.73
135.36
16
134.14
135.74
137.00
140.39
144.92
143.24
137.53
136.89
136.03
135.47
134.73
135.39
17
134.18
135.74
136.85
140.60
144.89
143.18
138.31
136.83
136.07
135.49
134.71
135.41
18
134.27
135.65
136.55
140.74
144.79
143.11
139.23
136.77
136.09
135.53
134.70
135.42
19
134.40
135.55
136.25
140.81
144.67
142.95
139.28
136.71
136.14
135.59
134.69
135.39
20
134.56
135.50
136.03
140.90
144.53
142.76
138.70
136.66
136.41
135.59
134.66
135.34
21
134.69
135.45
136.06
141.16
144.43
142.57
138.32
136.60
137.39
135.55
134.68
135.32
22
134.74
135.40
136.33
141.37
144.42
142.47
138.20
136.55
138.41
135.47
134.72
135.32
23
134.70
135.44
136.62
141.55
144.47
142.34
138.07
136.52
138.63
135.43
134.81
135.31
24
134.64
135.60
137.80
141.63
144.51
142.14
137.76
136.52
138.30
135.42
134.92
135.31
25
134.58
135.91
139.12
141.67
144.55
141.84
137.53
136.51
137.80
135.41
135.04
135.30
26
134.58
136.22
139.65
141.80
144.58
141.61
137.31
136.53
137.30
135.41
135.10
135.30
27
134.60
136.49
139.79
142.03
144.55
141.39
137.22
136.54
136.88
135.41
135.10
135.30
28
134.64
136.62
139.90
142.54
144.46
141.15
137.35
136.54
136.49
135.41
135.10
135.28
29
134.67
136.62
139.94
143.34
144.32
140.90
138.02
136.53
136.27
135.41
135.27
30
134.69
136.46
139.85
144.02
144.21
140.73
138.45
136.54
136.07
135.41
135.26
31
136.28
144.31
144.09
138.55
135.91
135.41
135.26
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--------------
Mean
134.29
135.51
137.14
140.48
144.69
142.84
138.63
137.11
136.55
135.53
134.95
135.30
Max
134.74
136.62
139.94
144.31
145.07
143.98
140.74
138.45
138.63
135.82
135.36
135.42
145.07
Min
133.99
134.72
135.75
138.21
144.09
140.73
137.22
136.51
135.91
135.41
134.66
135.08
133.99
145.07
m. (MSL.) ,
132.22
m. (MSL.) ,
River Bed 131.46
m. (MSL.)
145.00
m. (MSL.) ,
145.44
m. (MSL.) ,
Drainage Area 12328 Square Kilometers
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at 01.00 Hours , on Aug 13 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation