Basic HTML Version
316
Location : on left bank at the bridge on road from Tambon Khlong Tan.
13,948 sq.km.
Amphoe
Si Samrong
Changwat
Sukhothai
Ban
Khlong Tan
WATER YEAR : 2012
YOM RIVER BASIN
Yom River at Ban Khlong Tan , Sukhothai (Y.33)
Lat 17 - 10 - 06 N Long 99 - 51 - 52 E
Drainge Area
Staff gage
+45.820 m. (MSL.)
B.M.-H.D.
On left bank about 20.30 meters from the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic mean of 5 readings
1990 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+56.820 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1990 to date
-
1990 to date
Fairly stable.
Overbank flow starts at elevation + 56.460 m. (MSL), records are channel flow only.
Records fair. Flow effected by the temporary weir about 500 meters dowmstream from the gage site.
Stage-discharge relation defined by 18 discharge measurements made in 2012.
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
48.48
47.16
52.41
47.56
50.02
53.30
51.67
48.64
49.23
48.23
48.22
47.19
2
48.60
47.58
51.21
47.57
49.52
51.95
51.55
48.65
49.10
48.13
48.14
47.11
3
48.58
48.07
50.71
47.41
49.21
51.06
51.51
48.58
49.41
48.49
48.11
47.07
4
48.52
48.08
51.04
47.81
49.04
50.74
51.42
49.38
48.70
48.53
48.12
47.04
5
48.38
48.04
50.98
48.25
48.79
53.54
51.69
49.02
49.21
48.34
48.20
47.08
6
48.27
48.08
51.02
47.91
48.66
54.56
52.13
49.35
49.07
48.18
48.28
47.10
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
48.14
48.30
50.97
48.03
48.53
54.06
52.26
48.98
49.37
48.17
48.50
47.26
8
47.96
49.80
49.98
50.28
48.71
54.22
52.22
48.93
49.28
48.63
49.04
47.33
9
47.80
49.85
50.53
50.09
48.64
55.17
52.39
49.33
49.05
48.53
48.93
47.22
10
47.72
51.20
53.10
49.90
48.64
55.42
52.34
49.39
48.98
48.30
48.85
47.03
11
47.53
51.46
55.08
49.49
49.71
55.62
51.38
49.25
48.98
48.26
48.77
46.88
12
47.70
50.29
54.81
49.46
51.87
55.51
50.58
49.20
49.10
48.27
48.71
46.77
13
48.52
49.54
53.29
48.94
52.99
54.87
50.00
49.19
48.99
48.10
48.73
46.99
14
48.61
49.01
51.72
48.83
52.13
54.17
49.45
48.98
48.81
48.00
48.98
46.98
15
48.63
48.51
50.84
48.55
50.74
53.71
49.45
49.34
48.75
48.14
48.85
46.96
16
48.59
48.19
50.29
48.74
50.05
57.12
49.43
49.30
48.69
48.40
48.77
46.96
17
48.54
47.81
49.35
48.42
49.84
56.45
49.41
49.40
48.65
48.23
48.68
47.09
18
48.50
47.81
48.88
48.13
49.57
55.70
49.28
49.48
48.65
48.01
48.60
47.03
19
48.44
47.82
48.84
48.07
49.56
54.23
49.17
49.47
48.64
47.80
48.42
46.93
20
48.38
47.79
48.63
48.05
49.48
52.07
48.63
49.11
48.85
47.68
48.25
46.97
21
48.42
48.04
48.46
48.06
48.19
51.51
48.20
49.02
48.68
47.57
48.17
47.02
22
48.35
48.93
48.30
48.18
49.43
51.36
48.57
48.97
48.60
47.81
48.09
47.00
23
48.16
48.72
48.32
48.54
51.27
50.68
48.88
48.86
48.56
47.99
48.00
46.96
24
48.09
48.52
48.27
48.82
52.25
50.59
48.85
48.94
48.49
48.12
47.80
46.94
25
48.02
47.87
48.20
48.90
51.88
50.42
48.54
48.94
48.43
48.33
47.60
46.92
26
47.91
47.84
48.25
50.86
51.26
50.36
48.63
48.91
48.27
48.17
47.48
46.94
27
47.81
48.17
48.36
53.93
50.90
50.49
48.89
48.88
48.22
48.09
47.39
47.00
28
48.24
49.33
48.34
54.79
52.08
50.97
49.33
48.86
48.30
48.24
47.28
46.98
29
48.08
48.91
48.24
53.10
53.54
51.45
48.98
49.07
48.73
48.80
46.94
30
47.29
51.76
47.55
51.31
54.41
51.70
47.64
48.99
48.51
48.63
46.94
31
53.01
50.28
54.19
47.61
48.34
48.30
46.94
----------
--------------
Mean
48.21
48.89
50.20
49.30
50.49
53.10
50.00
49.08
48.79
48.21
48.32
47.02
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Max
48.63
53.01
55.08
54.79
54.41
57.12
52.39
49.48
49.41
48.80
49.04
47.33
57.12
Min
47.29
47.16
47.55
47.41
48.19
50.36
47.61
48.58
48.22
47.57
47.28
46.77
46.77
57.17
m. (MSL.) ,
45.82
m. (MSL.) ,
River Bed 44.35
m. (MSL.)
56.51
m. (MSL.) ,
56.45
m. (MSL.) ,
Drainage Area 13948 Square Kilometers
at 09.00 Hours , on Sep 16 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation