Page 242 - Yearbook2013_v56_new

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WATER YEAR : 2013
PING RIVER BASIN
Nam Mae Kuang at Tha Nang Bridge , Lamphun (P.5)
Lat 18 - 34 - 32 N Long 99 - 00 - 44 E
Locat on : on r g t an at t e r ge o C ang Ma rom Fang H g way.
1,569
sq.km.
Water - stage recorder.
+288.500 m. (MSL.)
B.M.-H.D.
Near the gage site.
Elevation
Recording
+294.592 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Mueang
Changwat
Lamphun
Ban
Tha Nang Bridge
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 24 readings
1978 - 1992 , 2006 to date
1978 - 1992 , 2006 to date
-
1978 - 1992 , 2006 to date
Fairly stable because of backwater effect.
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 41 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
290.40
290.53
290.60
290.67
291.62
291.32
291.63
291.25
291.26
290.95
291.22
290.76
2
290.49
290.53
290.68
290.67
291.50
291.35
291.59
291.35
291.23
291.15
291.18
290.71
3
290.51
290.53
290.44
290.54
291.44
291.32
291.83
291.33
291.20
291.14
291.19
290.75
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
290.50
290.87
290.51
290.53
291.39
291.28
291.87
291.31
291.20
291.13
291.16
290.58
5
290.49
291.07
290.80
290.46
291.34
291.29
291.72
291.31
291.19
290.91
291.17
290.56
6
290.49
291.14
290.88
290.78
291.23
291.46
291.60
291.29
291.18
291.08
291.20
290.67
7
290.47
291.18
290.97
291.29
291.23
291.58
291.50
291.28
291.19
291.18
291.20
290.73
8
290.42
291.17
290.79
291.26
291.31
291.80
291.44
291.15
291.17
291.15
291.21
290.62
9
290.40
291.07
290.73
291.21
291.40
291.98
291.38
291.25
291.04
291.14
291.19
290.61
10
290.43
291.04
290.85
291.30
291.42
292.15
291.34
291.23
290.84
291.07
291.20
290.55
11
290.40
291.04
291.26
291.26
291.41
291.95
291.32
291.23
290.82
290.94
291.18
290.56
12
290 41
290 91
291 19
291 24
291 87
291 78
291 30
291 26
290 86
290 90
291 19
290 54
.
.
.
.
.
.
.
.
.
.
.
.
13
290.48
290.86
290.96
291.24
292.26
292.30
291.30
291.24
290.98
290.83
291.19
290.55
14
290.51
290.86
290.83
291.19
292.09
292.50
291.35
291.21
290.92
290.70
291.20
290.70
15
290.76
290.95
290.68
291.19
291.77
292.23
291.23
291.24
291.08
290.63
291.20
290.60
16
290.86
290.93
290.85
291.19
291.55
292.02
291.21
291.11
291.18
290.58
291.18
290.49
17
290.79
290.92
290.66
291.22
291.44
291.87
291.25
291.20
291.14
290.66
291.18
290.50
18
290.86
290.71
290.48
291.24
291.42
291.97
291.44
291.25
291.07
290.66
291.15
290.59
19
290.86
290.67
290.38
291.25
291.35
291.66
292.43
291.70
291.01
290.73
291.00
290.65
20
290.76
290.47
290.46
291.14
291.31
291.52
292.51
292.41
290.87
290.99
290.90
290.68
21
290.68
290.45
290.41
291.23
291.32
291.42
292.34
292.10
290.72
290.97
290.81
290.73
22
290.72
290.45
290.38
291.23
291.73
291.38
292.47
291.72
290.80
290.94
290.73
290.69
23
290.85
290.46
290.37
291.24
292.00
291.43
292.32
291.48
290.80
290.97
290.69
290.82
24
290.77
290.52
290.46
291.44
291.80
291.29
291.91
291.37
290.79
291.02
290.69
290.76
25
290.88
290.54
290.48
291.58
291.55
291.26
291.74
291.32
290.79
291.08
290.65
290.85
26
290.83
290.47
290.52
291.50
291.41
291.34
291.62
291.25
290.83
291.15
290.62
290.89
27
290.69
290.36
290.55
291.45
291.33
291.72
291.48
291.25
290.81
291.15
290.68
290.87
28
290.66
290.38
290.49
291.38
291.31
292.25
291.43
291.21
290.84
291.18
290.85
290.92
29
290.57
290.57
290.59
291.36
291.25
292.10
291.42
291.24
291.15
291.18
290.82
30
290.48
290.66
290.66
291.27
291.25
291.82
291.42
291.27
291.13
291.20
290.86
31
290.48
291.66
291.28
291.40
291.03
291.22
290.78
----------
--------------
Mean
290.61
290.74
290.66
291.17
291.50
291.71
291.64
291.36
291.00
290.99
291.04
290.69
Max
290.88
291.18
291.26
291.66
292.26
292.50
292.51
292.41
291.26
291.22
291.22
290.92
292.51
Min
290.40
290.36
290.37
290.46
291.23
291.26
291.21
291.11
290.72
290.58
290.62
290.49
290.36
292.74
m. (MSL.) ,
288.50
m. (MSL.) ,
River Bed 288.78
m. (MSL.)
295.80
m. (MSL.) ,
295.80
m. (MSL.) ,
Drainage Area 1569 Square Kilometers
at 22.00 Hours , on Oct 19 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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