Basic HTML Version
300
Location : on right bank about 100 meters downstream from the bridge on highway.
13,331 sq.km.
WATER YEAR : 2011
YOM RIVER BASIN
Yom River at Ban Wang Mai Khon , Sukhothai (Y.3A)
Lat 17 - 18 - 28 N Long 99 - 49 - 44 E
Amphoe
Sawankhalok
Changwat
Sukhothai
Ban
Wang Mai Khon
Drainge Area
Staff gage
+51.000 m. (MSL.)
B.M.-H.D.
In front of automatic gage building.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means of 5 readings
1967 to date
+65.350 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
1967 to date
-
1967 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 22 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
50.63
52.78
54.35
60.69
55.00
56.71
58.01
52.57
51.64
51.39
51.16
50.71
2
50.60
52.99
54.89
59.08
61.57
56.27
56.87
52.76
51.61
51.31
51.15
50.71
3
50.39
53.93
54.70
56.15
61.82
56.73
59.15
52.55
51.49
51.20
51.08
50.70
4
50.31
53.50
53.74
55.16
61.78
57.11
61.72
52.53
51.43
51.10
50.99
50.70
5
50.29
53.46
52.78
55.01
61.73
56.35
61.24
52.51
51.31
51.04
50.99
50.68
6
50.23
53.77
52.91
54.91
61.74
56.47
59.84
52.47
51.40
50.99
50.96
50.68
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
50.38
54.15
53.99
54.19
60.43
57.58
58.07
52.42
51.41
50.99
50.92
50.67
8
50.64
54.10
55.06
53.12
58.04
58.29
56.23
52.42
51.41
50.98
50.92
50.58
9
50.63
53.75
55.62
52.87
57.13
58.44
55.61
51.54
51.39
50.97
50.92
50.39
10
50.55
54.05
55.60
53.27
58.00
59.67
55.22
51.66
51.30
50.97
50.91
50.34
11
50.55
55.93
54.63
53.44
57.92
59.59
54.95
51.63
51.33
50.96
50.91
50.33
12
50.56
55.96
53.47
53.91
60.22
58.66
54.61
52.09
51.31
50.91
50.91
50.33
13
50.75
56.48
52.99
53.92
61.36
58.16
54.54
52.14
51.30
50.88
50.91
50.60
14
50.77
57.07
52.72
54.01
61.71
59.59
55.19
52.66
51.29
50.88
50.91
50.33
15
50.80
54.93
52.34
54.02
61.85
60.58
55.30
52.22
51.29
51.21
50.90
50.33
16
50.82
52.17
52.00
54.22
61.22
60.49
54.90
52.14
51.19
51.46
50.90
50.33
17
50.88
52.41
52.25
54.92
58.96
59.85
54.74
52.10
51.19
51.30
50.89
50.33
18
51.05
53.40
52.19
57.93
57.78
58.75
54.79
52.09
51.19
50.99
50.88
50.33
19
51.05
54.80
52.43
58.11
58.37
57.90
55.25
52.05
51.18
50.85
50.73
50.33
20
51.09
55.61
52.50
57.21
59.52
57.18
54.73
52.03
51.35
50.70
50.38
50.33
21
51.06
56.08
52.43
55.75
59.35
56.37
54.17
51.82
51.26
50.71
50.37
50.33
22
51.24
56.00
52.20
55.12
59.88
56.79
53.86
52.08
51.14
50.74
50.35
50.37
23
51.42
55.53
51.85
54.81
60.57
57.78
53.57
51.81
50.96
50.74
50.33
50.66
24
51.28
54.67
51.85
54.53
60.36
57.34
53.59
52.01
50.95
50.76
50.31
50.68
25
51.35
52.99
51.84
54.54
58.65
56.89
53.43
51.93
50.95
50.99
50.30
50.67
26
51.38
52.96
51.95
54.84
57.60
56.46
52.93
51.54
50.95
50.87
50.28
50.66
27
51.77
52.67
52.51
54.78
57.78
56.12
52.59
51.59
50.95
50.73
50.26
50.65
28
52.40
52.41
57.22
55.29
58.76
56.54
52.41
51.72
50.95
50.73
50.24
50.65
29
52.06
53.34
59.10
54.21
58.81
56.42
52.38
51.59
50.95
50.73
50.60
50.67
30
52.35
54.26
60.19
53.59
59.13
57.44
52.43
51.49
50.94
51.20
50.65
31
54.22
53.62
58.12
52.38
50.91
51.36
50.64
----------
--------------
Mean
50.98
54.21
53.74
55.07
59.52
57.75
55.31
52.07
51.22
50.99
50.74
50.53
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
52.40
57.07
60.19
60.69
61.85
60.58
61.72
52.76
51.64
51.46
51.16
50.71
61.85
Min
50.23
52.17
51.84
52.87
55.00
56.12
52.38
51.49
50.91
50.70
50.24
50.33
50.23
61.89
m. (MSL.) ,
51.00
m. (MSL.) ,
River Bed 48.76
m. (MSL)
62.98
m. (MSL.) ,
66.66
m. (MSL.) ,
Drainage Area 13331 Square Kilometers
at 12.00 Hours , on Aug 15 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation