Basic HTML Version
344
Location : on left bank at Ban Pang Yao.
191
sq.km.
WATER YEAR : 2011
YOM RIVER BASIN
Nam Mae Suat at Ban Pang Yao , Nan (Y.46)
Lat 18 - 50 - 36 N Long 100 - 25 - 39 E
Drainge Area
Amphoe
Ban Luang
Changwat
Nan
Ban
Pang Yao
Water - stage recorder
+340.846 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
+345.541 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 +344.170 m.(MSL.), records are channel flow only.
Records good. Stage-discharge relation defined by 47 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 *******
342.14
342.29
343.24
342.76
342.67
342.75
342.34
342.23
342.16
342.05
342.05
2 *******
341.94
342.27
343.07
342.74
342.80
342.78
342.34
342.23
342.16
342.05
342.05
3 *******
341.99
342.22
342.82
343.00
342.77
342.82
342.34
342.22
342.16
342.05
342.05
4 *******
342.09
342.24
342.64
342.93
342.83
342.82
342.34
342.22
342.15
342.05
342.04
5 *******
341.98
342.18
342.60
342.80
342.81
342.82
342.34
342.21
342.15
342.05
342.04
6 *******
342.05
343.21
342.61
342.73
343.25
342.80
342.34
342.21
342.15
342.05
342.04
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7 *******
341.99
342.67
342.73
342.78
342.88
342.66
342.33
342.20
342.15
342.05
342.04
8 *******
341.95
342.42
342.79
342.85
342.91
342.56
342.33
342.19
342.14
342.05
342.05
9 *******
341.94
342.17
342.79
342.75
343.03
342.50
342.33
342.19
342.14
342.05
342.05
10 *******
342.29
342.15
342.80
342.73
343.15
342.50
342.32
342.19
342.14
342.05
342.05
11 *******
342.39
342.12
342.79
343.05
342.95
342.48
342.31
342.18
342.13
342.05
342.06
12 *******
342.26
342.10
342.80
343.31
342.87
342.46
342.31
342.18
342.13
342.05
342.06
13 *******
342.18
342.09
342.80
342.99
342.85
342.45
342.30
342.17
342.13
342.05
342.06
14 *******
342.15
342.07
342.80
342.77
342.85
342.45
342.29
342.23
342.13
342.05
342.07
15 *******
342.19
342.07
342.79
342.75
342.86
342.45
342.29
342.27
342.12
342.05
342.07
16 *******
342.21
342.13
342.79
342.75
343.05
342.45
342.29
342.27
342.12
342.05
342.07
17 *******
342.68
342.39
342.80
342.75
342.86
342.42
342.29
342.26
342.12
342.05
342.06
18 *******
342.67
342.33
342.73
343.29
343.07
342.41
342.28
342.25
342.11
342.05
342.06
19 *******
343.03
342.29
342.64
343.25
342.93
342.42
342.26
342.24
342.11
342.05
342.06
20 *******
342.56
342.27
342.60
342.91
342.87
342.39
342.26
342.23
342.10
342.05
342.05
21 *******
342.36
342.26
342.61
342.76
342.81
342.35
342.25
342.22
342.09
342.05
342.05
22 *******
342.26
342.25
342.66
342.72
342.81
342.35
342.23
342.21
342.09
342.05
342.05
23 *******
342.21
342.25
342.73
342.69
342.83
342.35
342.23
342.20
342.08
342.05
342.05
24 *******
342.17
342.30
342.78
342.67
342.82
342.35
342.22
342.19
342.08
342.05
342.05
25 *******
342.28
343.04
342.78
342.66
342.79
342.35
342.22
342.18
342.07
342.05
342.05
26 *******
342.25
343.36
342.79
342.79
342.77
342.35
342.22
342.17
342.07
342.05
342.04
27 *******
342.26
343.18
342.80
342.96
342.76
342.35
342.22
342.17
342.06
342.05
342.04
28 *******
342.44
343.21
342.80
342.81
342.78
342.35
342.22
342.17
342.05
342.05
342.04
29 *******
342.49
343.25
342.80
342.74
342.85
342.35
342.22
342.17
342.05
342.05
342.04
30 *******
342.43
343.28
342.81
342.70
342.81
342.35
342.22
342.16
342.05
342.04
31
342.37
342.83
342.67
342.34
342.16
342.05
342.04
----------
--------------
Mean
*******
342.26
342.47
342.77
342.84
342.88
342.49
342.28
342.21
342.11
342.05
342.05
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
*******
343.03
343.36
343.24
343.31
343.25
342.82
342.34
342.27
342.16
342.05
342.07
343.36
Min
*******
341.94
342.07
342.60
342.66
342.67
342.34
342.22
342.16
342.05
342.05
342.04 *******
344.40
m. (MSL.) ,
340.85
m. (MSL.) ,
River Bed 341.77
m. (MSL)
344.16
m. (MSL.) ,
345.37
m. (MSL.) ,
Drainage Area 191 Square Kilometers
at 08.00 Hours , on Jun 6 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation