Basic HTML Version
316
Location : on right bank at Ban Na Pla Kang.
310
sq.km.
WATER YEAR : 2011
YOM RIVER BASIN
Yom River at Ban Na Pla Kang , Sukhothai (Y.21)
Lat 17 - 47 - 31 N Long 99 - 47 - 27 E
Amphoe
Si Satchanalai
Changwat
Sukhothai
Ban
Na Pla Kang
Drainge Area
Staff gage
+114.456 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
2007 to date
+119.519 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
2007 to date
-
2007 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 19 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
115.57
115.96
115.67
115.66
118.50
115.93
115.75
115.61
115.42
115.37
115.59
115.62
2
115.56
115.64
115.59
115.62
118.19
115.87
116.30
115.60
115.42
115.37
115.58
115.62
3
115.56
115.54
115.56
115.88
117.18
116.17
117.21
115.59
115.42
115.37
115.58
115.62
4
115.57
115.65
115.57
115.67
116.48
115.96
116.41
115.58
115.43
115.37
115.58
115.61
5
115.57
115.76
115.55
115.87
116.12
115.83
116.64
115.57
115.43
115.37
115.58
115.61
6
115.57
115.65
116.36
115.72
116.67
116.22
116.26
115.56
115.42
115.37
115.58
115.61
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
115.57
115.65
116.14
115.66
116.25
115.94
116.04
115.56
115.42
115.36
115.58
115.61
8
115.57
115.64
115.77
115.61
116.17
116.34
115.99
115.55
115.41
115.46
115.57
115.61
9
115.57
115.62
115.70
115.67
116.46
116.47
115.93
115.54
115.42
115.61
115.57
115.62
10
115.57
116.33
115.63
115.67
116.27
116.18
115.86
115.54
115.41
115.61
115.57
115.62
11
115.57
116.03
115.60
115.85
116.58
116.01
115.82
115.53
115.41
115.60
115.56
115.63
12
115.57
115.76
115.59
115.79
116.79
115.93
115.78
115.53
115.41
115.59
115.56
115.63
13
116.39
115.66
115.57
115.71
116.39
116.86
116.67
115.52
115.40
115.58
115.55
115.63
14
116.01
115.88
115.55
115.62
116.12
116.68
115.98
115.51
115.40
115.57
115.54
115.62
15
115.62
115.77
115.52
115.79
116.22
117.10
116.39
115.50
115.40
115.57
115.52
115.62
16
115.48
116.07
115.50
115.67
116.14
116.45
116.17
115.50
115.40
115.57
115.50
115.62
17
115.47
115.81
115.49
115.64
116.05
116.21
115.95
115.49
115.39
115.57
115.51
115.61
18
115.48
116.08
115.92
115.62
117.02
116.36
115.90
115.49
115.39
115.57
115.52
115.61
19
115.50
116.14
115.69
115.61
116.52
116.55
115.84
115.49
115.39
115.57
115.53
115.61
20
115.50
115.96
115.63
115.59
116.64
116.17
115.78
115.48
115.38
115.57
115.54
115.60
21
115.50
115.74
115.61
115.63
116.35
116.03
115.81
115.48
115.38
115.57
115.54
115.60
22
115.50
115.65
115.57
115.66
116.13
116.03
115.74
115.48
115.38
115.56
115.53
115.59
23
115.51
115.60
115.58
115.65
115.99
116.00
115.72
115.47
115.38
115.56
115.53
115.58
24
115.52
115.55
115.56
115.60
115.90
115.95
115.69
115.47
115.38
115.56
115.53
115.57
25
115.53
115.51
115.62
115.61
115.84
115.88
115.68
115.46
115.38
115.56
115.53
115.56
26
115.52
115.56
115.83
115.60
116.88
115.85
115.66
115.46
115.38
115.56
115.60
115.55
27
115.51
115.58
115.96
115.72
117.04
115.82
115.65
115.45
115.38
115.56
115.61
115.54
28
115.50
115.67
116.01
115.66
116.40
115.79
115.63
115.45
115.38
115.56
115.61
115.54
29
115.50
115.63
115.83
115.63
116.12
115.91
115.61
115.44
115.37
115.57
115.62
115.53
30
115.54
115.59
115.72
115.58
116.02
115.78
115.60
115.44
115.37
115.57
115.54
31
115.60
116.27
115.89
115.63
115.37
115.58
115.54
----------
--------------
Mean
115.58
115.75
115.70
115.69
116.49
116.14
115.97
115.51
115.40
115.52
115.56
115.60
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Max
116.39
116.33
116.36
116.27
118.50
117.10
117.21
115.61
115.43
115.61
115.62
115.63
118.50
Min
115.47
115.51
115.49
115.58
115.84
115.78
115.60
115.44
115.37
115.36
115.50
115.53
115.36
119.11
m. (MSL.) ,
114.46
m. (MSL.) ,
River Bed 113.48
m. (MSL)
119.80
m. (MSL.) ,
119.83
m. (MSL.) ,
Drainage Area 310 Square Kilometers
at 06.00 Hours , on Aug 1 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation