336
Location : on right bank at Ban Bun Ruang.
444
sq.km.
WATER YEAR : 2012
YOM RIVER BASIN
Yom River at Ban Bun Ruang , Phayao (Y.47)
Lat 19 - 09 - 03 N Long 100 - 16 - 29 E
Drainge Area
Amphoe
Pong
Changwat
Phayao
Ban
Bun Ruang
Water - stage recorder
+287.727 m. (MSL.)
B.M.-H.D.
Near the automatic gage building.
Elevation
Recording
Arithmetic mean of 24 readings
2011 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+294.545 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2011 to date
-
2011 to date
Stable because of backwater effect.
Overbank flow starts at elevation +291.670 m.(MSL.) and is including overbank flow.
Records fair. Stage-discharge relation defined by 47 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
289.47
289.04
289.06
288.91
289.57
290.26
290.11
289.33
289.49
289.02
289.13
289.41
2
289.42
288.99
289.38
288.97
289.59
290.15
290.12
289.37
289.49
289.01
289.30
289.42
3
289.38
288.94
289.71
289.04
289.93
291.04
289.95
289.56
289.42
288.99
289.14
289.44
4
289.34
288.94
289.50
289.29
289.73
291.51
289.91
289.60
289.41
288.98
289.05
289.46
5
289.33
288.93
290.05
289.86
289.60
290.86
290.14
289.74
289.40
288.98
289.02
289.44
6
289.33
288.93
289.83
289.87
289.50
290.50
290.19
289.59
289.37
288.97
289.00
289.44
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
289.33
288.93
289.60
289.57
289.49
290.31
289.98
289.55
289.33
288.96
288.99
289.43
8
289.34
288.92
289.61
289.42
289.52
290.51
289.93
289.37
289.28
288.96
288.98
289.43
9
289.34
288.92
289.85
289.37
291.47
290.87
289.90
289.33
289.26
288.94
288.96
289.42
10
289.33
288.91
289.75
289.33
291.48
290.69
289.85
289.32
289.26
288.93
288.95
289.41
11
289.33
288.91
289.62
289.44
290.76
290.50
289.80
289.40
289.28
288.92
288.96
289.39
12
289.34
288.92
289.47
289.62
290.39
290.38
289.74
289.44
289.28
288.92
289.01
289.39
13
289.36
288.92
289.44
289.64
290.14
290.31
289.67
289.40
289.27
288.91
289.04
289.38
14
289.43
288.92
289.31
289.62
290.02
290.26
289.60
289.38
289.24
288.91
289.02
289.37
15
289.63
288.92
289.26
289.62
289.86
290.17
289.55
289.32
289.19
288.90
289.05
289.36
16
289.49
288.93
289.21
289.61
289.77
290.01
289.53
289.31
289.17
288.89
289.25
289.34
17
289.69
288.93
289.17
289.60
289.77
289.95
289.52
289.35
289.16
288.89
289.43
289.32
18
289.80
288.92
289.16
289.60
289.73
289.95
289.53
289.31
289.15
288.88
289.55
289.31
19
289.64
288.91
289.13
289.59
289.69
289.99
289.49
289.33
289.15
288.87
289.51
289.30
20
289.46
288.92
289.07
289.59
289.73
289.90
289.41
289.34
289.13
288.87
289.47
289.30
21
289.38
289.00
289.07
289.68
290.81
290.10
289.32
289.36
289.14
288.87
289.47
289.29
22
289.35
289.05
289.07
289.71
290.37
289.92
289.29
289.36
289.13
288.87
289.46
289.29
23
289.30
289.04
289.08
289.70
289.93
290.13
289.27
289.33
289.13
288.88
289.44
289.28
24
289.25
289.03
289.06
291.32
290.32
290.23
289.30
289.33
289.12
288.89
289.44
289.28
25
289.20
289.02
289.06
291.82
290.19
290.27
289.34
289.31
289.12
288.90
289.43
289.28
26
289.15
289.06
289.06
290.37
290.00
290.41
289.30
289.30
289.11
288.91
289.42
289.27
27
289.12
289.39
289.07
289.95
290.00
290.72
289.27
289.28
289.09
288.91
289.40
289.27
28
289.10
289.90
289.02
289.84
290.06
290.82
289.25
289.29
289.08
288.91
289.39
289.26
29
289.09
289.55
288.95
289.76
290.29
290.69
289.23
289.33
289.06
288.93
289.25
30
289.07
289.05
288.93
289.67
290.29
290.59
289.23
289.43
289.04
288.97
289.25
31
288.93
289.61
289.96
289.25
289.02
289.01
289.24
----------
--------------
Mean
289.36
289.02
289.32
289.71
290.06
290.40
289.61
289.39
289.22
288.93
289.22
289.35
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
289.80
289.90
290.05
291.82
291.48
291.51
290.19
289.74
289.49
289.02
289.55
289.46
291.82
Min
289.07
288.91
288.93
288.91
289.49
289.90
289.23
289.28
289.02
288.87
288.95
289.24
288.87
293.44
m. (MSL.) ,
287.73
m. (MSL.) ,
River Bed 286.90
m. (MSL.)
292.35
m. (MSL.) ,
291.66
m. (MSL.) ,
Drainage Area 444 Square Kilometers
at 18.00 Hours , on Jul 24 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation