Basic HTML Version
342
Location : on left bank at Ban Phai Ton.
142
sq.km.
WATER YEAR : 2011
YOM RIVER BASIN
Nam Mae Kham Mi at Ban Phai Ton , Phrae (Y.45)
Lat 18 - 23 - 27 N Long 100 - 26 - 01 E
Drainge Area
Amphoe
Rong Kwang
Changwat
Phrae
Ban
Phai Ton
Water - stage recorder
+270.973 m. (MSL.)
B.M.-H.D.
Near the automatic gage building.
Elevation
Recording
Arithmetic means 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
+276.119 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2011 to date
-
2011 to date
Fairly stable because of backwater effect.
Overbank flow starts at elevation +276.490 m.(MSL.), records are channel flow only.
Records fair. Stage-discharge relation defined by 43 discharge measurements made in 2011.
Remark
beginning on 1
st
May 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 *******
272.07
272.21
272.33
273.95
272.27
272.05
271.96
271.61
271.58
271.54
271.51
2 *******
272.01
272.18
272.20
273.38
272.52
272.11
271.92
271.61
271.58
271.54
271.51
3 *******
272.01
272.17
272.15
273.10
272.38
272.16
271.88
271.61
271.58
271.53
271.50
4 *******
272.03
272.20
272.07
272.86
272.31
272.20
271.86
271.62
271.57
271.53
271.50
5 *******
272.00
272.20
271.98
272.58
272.50
272.23
271.83
271.62
271.57
271.53
271.50
6 *******
271.97
272.35
271.93
272.38
272.54
272.31
271.81
271.62
271.57
271.52
271.50
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7 *******
272.07
272.32
271.89
272.55
272.50
272.31
271.79
271.62
271.57
271.52
271.50
8 *******
272.00
272.26
271.85
272.64
272.49
272.31
271.78
271.61
271.57
271.52
271.50
9 *******
272.00
272.22
271.89
272.54
272.49
272.17
271.77
271.61
271.57
271.51
271.50
10 *******
272.42
272.18
271.92
272.56
272.51
272.03
271.77
271.61
271.57
271.51
271.49
11 *******
272.55
272.17
271.89
273.11
272.45
272.05
271.77
271.60
271.57
271.50
271.47
12 *******
272.23
272.15
271.87
272.72
272.40
272.05
271.77
271.60
271.57
271.50
271.49
13 *******
272.16
272.13
271.86
272.57
272.45
272.27
271.77
271.60
271.57
271.49
271.49
14 *******
272.36
272.00
271.99
272.54
272.45
272.18
271.75
271.59
271.57
271.49
271.49
15 *******
272.28
271.93
274.31
272.52
272.45
272.23
271.72
271.59
271.57
271.49
271.49
16 *******
272.21
271.93
274.34
272.47
272.47
272.12
271.70
271.59
271.57
271.48
271.49
17 *******
272.45
271.92
272.73
272.57
272.46
272.12
271.69
271.59
271.57
271.48
271.48
18 *******
272.44
271.93
272.62
272.54
272.41
272.10
271.69
271.59
271.57
271.49
271.48
19 *******
272.57
271.95
272.49
272.46
272.37
272.12
271.69
271.59
271.57
271.49
271.48
20 *******
272.38
271.95
272.41
272.61
272.35
272.13
271.69
271.59
271.57
271.50
271.48
21 *******
272.27
271.94
272.43
272.58
272.30
272.19
271.68
271.59
271.57
271.51
271.48
22 *******
272.20
271.94
272.38
272.48
272.41
272.23
271.68
271.59
271.57
271.51
271.47
23 *******
272.15
271.94
272.39
272.45
272.44
272.31
271.67
271.59
271.57
271.51
271.47
24 *******
272.11
272.24
272.36
272.40
272.36
272.19
271.66
271.59
271.57
271.51
271.47
25 *******
272.12
272.77
272.31
272.37
272.30
271.99
271.65
271.59
271.57
271.51
271.47
26 *******
272.10
273.57
272.22
272.37
272.25
271.98
271.64
271.59
271.57
271.51
271.47
27 *******
272.06
272.96
272.18
272.41
272.22
271.98
271.63
271.58
271.57
271.51
271.47
28 *******
272.10
272.64
272.16
272.36
272.14
271.98
271.63
271.58
271.57
271.51
271.46
29 *******
272.34
272.48
272.14
272.29
272.02
271.98
271.62
271.58
271.57
271.51
271.46
30 *******
272.41
272.39
272.12
272.26
271.97
271.98
271.61
271.58
271.57
271.46
31
272.29
274.71
272.31
271.98
271.58
271.57
271.46
----------
--------------
Mean
*******
272.21
272.24
272.39
272.61
272.37
272.13
271.74
271.60
271.57
271.51
271.48
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
*******
272.57
273.57
274.71
273.95
272.54
272.31
271.96
271.62
271.58
271.54
271.51
274.71
Min
*******
271.97
271.92
271.85
272.26
271.97
271.98
271.61
271.58
271.57
271.48
271.46 *******
276.96
m. (MSL.) ,
270.97
m. (MSL.) ,
River Bed 271.43
m. (MSL)
277.86
m. (MSL.) ,
276.48
m. (MSL.) ,
Drainage Area 142 Square Kilometers
at 15.00 Hours , on Jul 31 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation