Basic HTML Version
310
Location : on right bank about 58 meters upstream from the old staff gage.
20,201 sq.km.
WATER YEAR : 2011
YOM RIVER BASIN
Yom River at Ban Bang Rakam , Phitsanulok (Y.16)
Lat 16 - 45 - 26 N Long 100 - 07 - 15 E
Drainge Area
Amphoe
Bang Rakam
Changwat
Phitsanulok
Ban
Bang Rakam
Staff gage
+31.630 m. (MSL.)
B.M.-H.D.
On right bank about 13 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 means of 5 readings
1967 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+42.630 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1967 , 1995 to date
-
1967 , 1995 to date
Fairly stable.
Overbank flow starts at elevation +42.080 m. (MSL.), records are channel flow only.
Records good. Stage-discharge relation defined by 14 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
33.27
35.53
38.41
38.25
39.63
42.67
42.71
41.35
36.51
32.48
33.26
32.55
2
33.13
35.79
38.43
38.50
39.65
42.67
42.67
41.23
36.48
32.46
33.18
32.53
3
32.98
36.01
38.43
38.69
39.87
42.67
42.72
41.16
36.22
32.40
33.12
32.53
4
32.52
36.36
38.43
38.87
39.95
42.63
42.68
41.05
35.78
32.37
33.01
32.49
5
32.33
36.51
38.45
38.94
40.02
42.60
42.69
40.96
35.24
32.28
32.86
32.43
6
32.27
36.87
38.46
39.01
40.16
42.59
42.71
40.77
34.71
32.23
32.78
32.45
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
32.14
37.21
38.44
39.05
40.25
42.57
42.74
40.60
34.26
32.19
32.66
32.44
8
32.03
37.16
38.45
39.09
40.39
42.53
42.77
40.46
33.91
32.19
32.63
32.41
9
31.98
36.91
38.47
39.15
40.50
42.51
42.81
40.32
33.87
32.37
32.63
32.42
10
31.98
36.76
38.47
39.15
40.63
42.51
42.86
40.20
33.78
32.52
33.07
32.42
11
31.95
36.70
38.40
39.17
40.79
42.50
42.85
40.10
33.76
32.56
33.54
32.42
12
31.96
36.61
38.41
39.12
41.02
42.47
42.83
39.61
33.66
32.59
33.13
32.41
13
32.07
36.72
38.44
39.11
41.26
42.51
42.80
39.60
33.58
32.63
32.53
32.41
14
32.83
37.01
38.53
39.13
41.57
42.59
42.80
39.53
33.49
32.63
32.53
32.41
15
33.64
37.31
38.53
39.18
41.86
42.62
42.79
39.45
33.48
32.61
32.53
32.41
16
34.29
37.78
38.55
39.21
42.12
42.63
42.77
39.27
33.44
32.56
32.51
32.41
17
34.15
38.11
38.53
39.23
42.31
42.63
42.76
39.16
33.20
32.53
32.51
32.38
18
33.59
38.41
38.56
39.24
42.44
42.65
42.73
38.94
32.98
33.17
32.51
32.38
19
33.31
38.39
38.63
39.28
42.53
42.68
42.68
38.79
32.88
33.70
32.48
32.38
20
33.68
38.37
38.65
39.33
42.62
42.70
42.62
38.57
32.79
33.80
32.48
32.37
21
34.49
38.40
38.63
39.37
42.64
42.74
42.55
38.35
32.79
33.81
32.52
32.40
22
33.95
38.40
38.62
39.44
42.69
42.78
42.50
38.06
32.78
33.76
32.63
32.50
23
33.62
38.36
38.60
39.49
42.70
42.79
42.46
37.81
32.76
33.70
32.63
32.60
24
34.01
38.32
38.57
39.53
42.71
42.81
42.39
37.65
32.74
33.66
32.61
32.60
25
34.75
38.36
38.41
39.58
42.71
42.79
42.33
37.39
32.73
33.65
32.66
32.63
26
35.31
38.41
38.33
39.66
42.72
42.77
42.28
37.22
32.73
33.63
32.66
32.67
27
35.70
38.38
38.32
39.65
42.77
42.75
42.17
36.96
32.73
33.63
32.66
32.83
28
35.73
38.32
38.21
39.65
42.79
42.77
41.92
36.58
32.73
33.60
32.61
32.83
29
35.45
38.36
38.08
39.67
42.75
42.77
41.81
36.48
32.73
33.53
33.53
32.83
30
35.41
38.35
38.09
39.67
42.73
42.75
41.69
36.51
32.73
33.43
32.83
31
38.33
39.66
42.70
41.51
32.73
33.39
32.83
----------
--------------
Mean
33.48
37.50
38.45
39.23
41.60
42.66
42.54
39.14
33.68
32.97
32.77
32.52
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Max
35.73
38.41
38.65
39.67
42.79
42.81
42.86
41.35
36.51
33.81
33.54
32.83
42.86
Min
31.95
35.53
38.08
38.25
39.63
42.47
41.51
36.48
32.73
32.19
32.48
32.37
31.95
42.87
m. (MSL.) ,
31.63
m. (MSL.) ,
River Bed 30.73
m. (MSL)
42.08
m. (MSL.) ,
44.20
m. (MSL.) ,
Drainage Area 20201 Square Kilometers
at 09.00 Hours , on Oct 10 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation