Basic HTML Version
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WATER YEAR : 2013
YOM RIVER BASIN
Nam Ngao at Ban Luang Nua , Lampang (Y.13A)
Lat 18 - 45 - 32 N Long 99 - 58 - 33 E
Locat on : on e t an at t e r ge on g way a out 1.6 ometers upstream rom stat on Y.13
381
sq.km.
Water - stage recorder.
+268.300 m. (MSL.)
B.M.-H.D.
On left bank about 10 meters from the top staff gage.
Elevation
Recording
Drainge Area
Amphoe
Ngao
Changwat
Lampang
Ban
Luang Nua
Gage Reading Frequency
Zero Gage at Bottom
+272.644 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 24 readings
1988 - 1995, 2001 to date
1988 - 1995, 2001 to date
-
1988 - 1995, 2001 to date
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. Stage-discharge relation defined by 42 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
268.91
269.25
269.44
268.87
269.21
269.71
269.24
269.23
269.03
268.94
268.81
268.72
2
268.94
269.26
269.46
268.85
269.20
269.46
269.25
269.19
269.01
268.88
268.80
268.72
3
268.95
269.29
269.45
268.86
269.20
269.29
269.33
269.17
268.98
268.84
268.81
268.68
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
268.94
269.30
269.42
268.88
269.19
269.20
269.51
269.14
268.97
268.83
268.80
268.67
5
268.94
269.27
269.43
268.86
269.20
269.14
269.41
269.13
268.96
268.86
268.78
268.67
6
268.94
269.29
269.46
268.86
269.21
269.26
269.31
269.10
268.96
268.92
268.77
268.67
7
268.92
269.31
269.50
268.87
269.64
269.46
269.54
269.06
268.95
268.93
268.77
268.66
8
268.90
269.29
269.49
268.88
269.78
269.40
269.34
269.06
268.95
268.89
268.77
268.66
9
268.90
269.27
269.50
268.91
269.89
269.49
269.23
269.04
268.95
268.88
268.76
268.67
10
268.89
269.17
269.46
269.27
269.69
269.48
269.18
269.02
268.95
268.87
268.77
268.64
11
268.90
269.18
269.41
269.05
270.19
269.34
269.15
269.02
268.95
268.88
268.77
268.60
12
268 89
269 13
269 40
269 03
269 67
269 29
269 13
269 03
268 95
268 88
268 76
268 60
.
.
.
.
.
.
.
.
.
.
.
.
13
268.89
269.06
269.25
269.02
269.44
269.48
269.11
269.02
268.96
268.86
268.75
268.56
14
268.90
269.06
269.16
269.02
269.29
269.55
269.12
268.99
268.96
268.84
268.76
268.51
15
268.95
269.01
269.09
269.02
269.47
269.38
269.09
269.02
268.98
268.83
268.73
268.51
16
268.98
268.96
269.01
269.04
269.28
269.64
269.02
269.04
269.03
268.85
268.72
268.51
17
268.98
268.92
268.94
269.12
269.21
269.53
269.03
269.02
269.01
268.86
268.71
268.50
18
268.98
268.89
268.89
269.18
269.17
269.41
269.64
269.03
269.00
268.89
268.77
268.47
19
268.96
268.87
268.89
269.14
269.10
269.32
269.69
269.06
268.99
268.93
268.79
268.46
20
268.92
268.86
268.89
269.09
269.05
269.26
269.53
269.12
268.97
268.94
268.81
268.48
21
268.90
268.88
268.89
269.10
269.04
269.21
269.38
269.13
268.93
268.87
268.80
268.47
22
268.90
268.97
268.90
269.09
269.06
269.20
269.44
269.10
268.93
268.86
268.79
268.46
23
268.90
269.09
268.90
269.17
269.22
269.15
269.39
269.07
268.92
268.84
268.80
268.45
24
268.91
269.02
268.89
269.49
269.20
269.14
269.36
269.03
268.91
268.85
268.76
268.44
25
268.91
268.96
268.87
269.14
269.27
269.29
269.48
268.99
268.92
268.85
268.71
268.47
26
268.90
268.98
268.87
269.09
269.26
269.64
269.36
269.00
268.94
268.84
268.72
268.47
27
269.06
268.96
268.86
269.09
269.33
269.61
269.29
269.00
268.94
268.83
268.71
268.48
28
269.27
268.95
268.86
269.09
269.19
269.43
269.26
269.00
268.93
268.82
268.71
268.47
29
269.27
268.94
268.89
269.10
269.17
269.36
269.27
269.02
268.94
268.82
268.48
30
269.26
268.93
268.89
269.14
269.34
269.38
269.27
269.05
268.93
268.83
268.47
31
268.99
269.21
269.63
269.24
268.93
268.82
268.46
----------
--------------
Mean
268.96
269.07
269.15
269.05
269.35
269.38
269.31
269.06
268.96
268.87
268.76
268.55
Max
269.27
269.31
269.50
269.49
270.19
269.71
269.69
269.23
269.03
268.94
268.81
268.72
270.19
Min
268.89
268.86
268.86
268.85
269.04
269.14
269.02
268.99
268.91
268.82
268.71
268.44
268.44
270.56
m. (MSL.) ,
268.30
m. (MSL.) ,
River Bed 268.40
m. (MSL.)
274.81
m. (MSL.) ,
274.81
m. (MSL.) ,
Drainage Area 381 Square Kilometers
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at 10.00 Hours , on Aug 11 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation