Basic HTML Version
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WATER YEAR : 2013
YOM RIVER BASIN
Yom River at Ban Thung Nong , Phayao (Y.31)
Lat 18 - 57 - 28 N Long 100 - 15 - 58 E
Locat on : on r g t an ownstream o t e r ge o Pong - C ang Muan roa .
1,981
sq.km.
Water - stage recorder
+257.000 m. (MSL.)
B.M.-H.D.
On right bank about 5 meters from the top staff gage.
Elevation
Recording
+266.960 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Chiang Muan
Changwat
Phayao
Ban
Thung Nong
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 24 readings
1983 to date
1996 to date
-
1996 to date
Fairly stable.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records fair. Flow effected by the islet about 200 meters dowmstream from the gage site.
Stage-discharge relation defined by 35 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
257.83
257.70
257.80
257.73
259.65
259.65
258.77
258.31
258.09
257.96
257.85
257.69
2
257.90
257.69
257.80
257.70
259.74
259.01
258.74
258.28
258.07
257.93
257.85
257.71
3
257.90
257.72
257.97
257.70
258.99
258.76
259.64
258.25
258.06
257.91
257.84
257.74
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
257.89
257.72
258.04
258.14
258.80
258.65
259.57
258.22
258.06
257.93
257.83
257.71
5
257.85
257.72
257.99
258.12
258.71
258.63
259.37
258.20
258.05
257.92
257.82
257.71
6
257.80
257.82
257.97
258.02
258.68
259.81
259.39
258.19
258.06
257.91
257.82
257.70
7
257.77
258.10
257.96
258.01
258.72
260.64
259.43
258.17
258.05
257.90
257.83
257.71
8
257.76
258.11
257.96
257.95
258.94
259.81
259.08
258.16
258.04
257.89
257.83
257.70
9
257.76
258.03
257.93
257.85
258.81
259.89
258.76
258.15
258.02
257.89
257.82
257.70
10
257.76
258.04
257.93
257.83
259.78
259.83
258.63
258.14
258.02
257.90
257.82
257.69
11
257.76
258.03
258.43
257.91
260.46
259.53
258.54
258.16
258.03
257.88
257.80
257.68
12
257 76
258 04
258 78
257 90
260 28
259 41
258 45
258 19
258 01
257 87
257 77
257 69
.
.
.
.
.
.
.
.
.
.
.
.
13
257.71
258.03
258.23
257.94
259.57
259.78
258.38
258.17
258.01
257.86
257.77
257.69
14
257.68
257.91
258.06
257.94
259.12
259.62
258.41
258.18
258.03
257.85
257.77
257.67
15
257.70
257.89
258.00
257.97
259.20
260.02
258.38
258.18
258.12
257.87
257.75
257.64
16
257.77
257.84
257.97
257.99
259.26
260.56
258.34
258.18
258.35
257.87
257.77
257.61
17
257.84
257.85
257.92
258.03
259.22
260.05
258.33
258.19
258.27
257.86
257.79
257.64
18
257.82
257.85
257.89
258.52
259.09
259.53
258.48
258.18
258.12
257.87
257.77
257.67
19
257.75
257.86
257.86
258.13
258.82
259.34
258.50
258.17
258.05
257.87
257.79
257.68
20
257.75
257.87
257.84
258.18
258.92
259.16
258.43
258.20
258.03
257.87
257.77
257.68
21
257.79
257.84
257.84
258.20
258.93
258.98
258.39
258.18
258.03
257.87
257.76
257.68
22
257.84
257.88
257.83
258.62
258.92
258.87
258.54
258.16
258.01
257.87
257.73
257.68
23
257.84
257.87
257.83
258.93
259.89
258.76
258.47
258.15
257.95
257.86
257.73
257.68
24
257.81
257.92
257.80
258.87
259.85
258.82
258.39
258.15
257.95
257.86
257.74
257.69
25
257.80
258.09
257.82
258.42
259.41
259.20
259.44
258.14
257.98
257.87
257.77
257.68
26
257.81
258.00
257.82
258.21
259.17
259.51
259.02
258.12
257.99
257.87
257.75
257.68
27
257.81
257.94
257.80
258.16
259.12
260.15
258.60
258.10
257.99
257.87
257.72
257.68
28
257.79
257.90
257.73
258.16
258.96
259.51
258.51
258.10
257.99
257.86
257.69
257.66
29
257.75
257.94
257.70
258.24
258.83
259.21
258.42
258.09
257.98
257.87
257.65
30
257.71
257.94
257.71
260.01
258.85
258.92
258.38
258.09
257.99
257.87
257.64
31
257.88
259.32
259.12
258.36
257.98
257.85
257.64
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--------------
Mean
257.79
257.90
257.94
258.22
259.22
259.45
258.71
258.17
258.04
257.88
257.78
257.68
Max
257.90
258.11
258.78
260.01
260.46
260.64
259.64
258.31
258.35
257.96
257.85
257.74
260.64
Min
257.68
257.69
257.70
257.70
258.68
258.63
258.33
258.09
257.95
257.85
257.69
257.61
257.61
261.10
m. (MSL.) ,
257.00
m. (MSL.) ,
River Bed 254.34
m. (MSL.)
267.61
m. (MSL.) ,
267.34
m. (MSL.) ,
Drainage Area 1981 Square Kilometers
at 06.00 Hours , on Sep 7 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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