Basic HTML Version
308
Location : on left bank at Ban Kong.
19,936 sq.km.
WATER YEAR : 2011
YOM RIVER BASIN
Yom River at Ban Kong , Sukhothai (Y.15)
Lat 16 - 55 - 47 N Long 99 - 57 - 41 E
Drainge Area
Amphoe
Kong Krailat
Changwat
Sukhothai
Ban
Kong
Staff gage
+35.320 m. (MSL.)
B.M.-H.D.
On left bank near the gage site.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
2010 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+46.520 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2010 to date
-
2010 to date
Fairly stable because of backwater effect.
Overbank flow starts at elevation + 41.220 m. (MSL.), records are channel flow only.
Records fair. Stage-discharge relation defined by 18 discharge measurements made in 2011.
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
40.25
39.75
42.80
42.66
43.20
44.35
44.19
42.94
37.77
35.33
36.36
39.09
2
40.06
40.19
42.79
42.99
43.15
44.30
44.22
42.86
37.77
35.27
36.44
39.05
3
39.94
40.45
42.82
43.25
43.20
44.26
44.22
42.77
37.65
35.52
36.57
38.99
4
39.99
40.75
42.85
43.38
43.39
44.22
44.23
42.66
37.37
35.63
37.43
38.81
5
40.04
41.04
42.86
43.42
43.52
44.17
44.28
42.58
37.19
35.66
39.58
38.83
6
39.96
41.15
42.85
43.48
43.62
44.15
44.36
42.49
37.06
35.67
39.57
38.88
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
39.91
41.22
42.82
43.50
43.74
44.10
44.46
42.40
36.94
35.72
39.35
38.95
8
39.84
41.35
42.80
43.52
43.86
44.07
44.53
42.30
37.11
35.89
39.24
39.07
9
39.79
41.44
42.81
43.46
43.97
44.07
44.56
42.17
37.22
36.08
39.22
39.34
10
39.75
41.47
42.83
43.41
44.03
44.07
44.51
42.07
37.01
36.26
39.08
39.41
11
39.66
41.55
42.87
43.33
44.09
44.10
44.46
41.96
36.50
36.42
39.05
39.21
12
39.62
41.69
42.92
43.26
44.16
44.16
44.38
41.81
36.63
36.49
39.03
39.09
13
39.81
41.84
42.95
43.20
44.22
44.23
44.30
41.66
36.71
36.48
39.09
39.07
14
40.23
41.99
42.97
43.16
44.29
44.28
44.25
41.59
36.57
36.53
39.07
39.15
15
40.31
42.27
42.96
43.13
44.36
44.31
44.19
41.55
36.32
36.57
39.06
39.17
16
39.92
42.44
42.91
43.11
44.43
44.35
44.21
41.46
36.04
36.61
39.05
39.13
17
39.70
42.53
42.87
43.12
44.45
44.40
44.15
41.30
35.82
36.61
38.95
38.93
18
39.67
42.55
42.81
43.13
44.47
44.44
44.08
41.13
35.67
36.61
38.76
38.77
19
40.48
42.64
42.75
43.18
44.48
44.48
44.02
40.94
35.52
36.60
38.65
38.67
20
41.18
42.69
42.70
43.32
44.47
44.49
43.95
40.78
35.46
36.59
38.52
38.59
21
38.55
42.75
42.66
43.47
44.46
44.51
43.88
40.50
35.45
36.53
38.41
38.48
22
37.59
42.83
42.62
43.57
44.44
44.46
43.80
40.16
35.43
36.44
38.30
38.38
23
37.46
42.86
42.58
43.59
44.43
44.40
43.71
39.92
35.42
36.32
38.18
38.30
24
37.70
42.92
42.50
43.57
44.43
44.38
43.63
39.67
35.41
36.22
38.34
38.18
25
37.97
42.94
42.41
43.54
44.43
44.35
43.55
39.49
35.40
36.17
38.46
38.10
26
37.64
42.93
42.35
43.49
44.43
44.30
43.44
39.19
35.40
36.18
38.59
38.03
27
37.71
42.97
42.28
43.44
44.43
44.27
43.36
38.75
35.39
36.20
38.81
37.92
28
38.64
42.92
42.25
43.40
44.41
44.31
43.27
38.36
35.39
36.22
39.04
37.83
29
39.21
42.87
42.31
43.35
44.43
44.27
43.16
38.18
35.38
36.26
39.09
37.72
30
39.36
42.82
42.44
43.32
44.41
44.23
43.07
37.93
35.36
36.30
37.61
31
42.80
43.26
44.38
43.00
35.35
36.31
37.51
----------
--------------
Mean
39.40
42.02
42.71
43.32
44.12
44.28
43.98
41.05
36.25
36.18
38.60
38.65
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Max
41.18
42.97
42.97
43.59
44.48
44.51
44.56
42.94
37.77
36.61
39.58
39.41
44.56
Min
37.46
39.75
42.25
42.66
43.15
44.07
43.00
37.93
35.35
35.27
36.36
37.51
35.27
44.57
m. (MSL.) ,
35.32
m. (MSL.) ,
River Bed 33.46
m. (MSL)
43.95
m. (MSL.) ,
41.21
m. (MSL.) ,
Drainage Area 19936 Square Kilometers
at 09.00 Hours , on Oct 9 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation