Basic HTML Version
190
Location : on right bank at the bridge of Chiang Mai from Fang Highway.
1,569
sq.km.
Drainge Area
WATER YEAR : 2012
PING RIVER BASIN
Nam Mae Kuang at Tha Nang Bridge , Lamphun (P.5)
Lat 18 - 34 - 32 N Long 99 - 00 - 44 E
Amphoe
Mueang
Changwat
Lamphun
Ban
Tha Nang Bridge
Water - stage recorder.
+288.500 m. (MSL.)
B.M.-H.D.
Near the gage site.
Elevation
Recording
Arithmetic mean of 24 readings
1978 - 1992 , 2006 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+294.592 m. (MSL.)
Bench Mark
Type of Gage
1978 - 1992 , 2006 to date
-
1978 - 1992 , 2006 to date
Fairly stable because of backwater effect.
No overbank flow.
Records fair. Stage-discharge relation defined by 44 discharge measurements made in 2012.
Period of Rating
Rated by Flot
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
291.27
291.21
291.32
291.16
291.30
291.55
291.48
291.09
291.16
290.77
291.23
291.06
2
291.29
291.24
291.30
291.12
291.27
291.46
291.43
291.26
290.95
290.72
291.21
290.94
3
291.30
291.25
291.28
291.05
291.24
291.78
291.47
291.25
291.06
290.60
291.17
290.47
4
291.30
291.26
291.25
291.04
291.23
292.28
291.66
291.27
291.05
290.76
291.14
290.45
5
291.32
291.27
291.23
290.94
291.21
292.60
291.62
291.35
291.16
290.67
291.17
290.72
6
291.29
291.43
291.21
290.89
291.20
292.23
291.54
291.48
290.98
291.04
291.16
291.04
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
291.31
292.37
291.22
291.11
291.17
292.06
291.55
291.36
290.75
291.00
291.08
291.15
8
291.45
292.75
291.28
291.12
291.18
292.52
291.61
291.28
290.66
291.02
291.15
291.13
9
291.56
292.37
291.42
291.16
291.23
292.40
291.48
291.29
290.62
291.04
291.06
291.13
10
291.53
292.06
291.30
291.33
291.35
292.15
291.40
291.30
290.65
291.01
291.04
290.86
11
291.49
291.81
291.24
291.31
291.41
292.12
291.33
291.24
290.78
290.77
291.02
290.69
12
291.44
291.54
291.21
291.28
291.44
291.89
291.35
291.18
290.48
290.61
290.98
290.55
13
291.36
291.41
291.08
291.25
291.49
291.68
291.35
291.15
290.45
290.61
290.95
290.50
14
291.34
291.34
291.18
291.22
291.63
291.72
291.35
291.15
290.50
290.72
290.83
290.43
15
291.30
291.28
291.13
291.29
291.55
291.87
291.34
291.18
290.50
291.01
290.90
290.35
16
291.30
291.26
291.15
291.26
291.44
292.11
291.32
291.07
290.45
291.17
290.89
290.49
17
291.30
291.23
291.14
291.26
291.35
291.98
291.30
291.13
290.43
291.17
290.76
290.61
18
291.29
291.20
291.14
291.27
291.28
291.77
291.32
290.99
290.67
291.16
290.65
290.66
19
291.29
291.20
291.06
291.31
291.25
291.55
291.31
291.06
290.89
291.18
290.76
290.81
20
291.28
291.21
291.06
291.21
291.24
291.46
291.31
290.94
291.17
291.17
290.72
290.77
21
291.26
291.18
290.93
291.33
291.60
291.40
291.28
291.03
291.06
291.17
290.64
290.72
22
291.23
291.19
290.82
291.30
291.75
291.37
291.29
290.88
291.16
291.18
290.51
290.58
23
291.24
291.23
290.92
291.32
291.86
291.33
291.27
290.97
291.19
291.18
290.50
290.55
24
291.23
291.18
290.83
291.43
291.72
291.30
291.28
290.88
291.22
291.08
290.50
290.38
25
291.11
291.17
290.78
291.89
291.66
291.30
291.29
290.95
291.14
291.01
290.56
290.40
26
291.06
291.19
290.74
291.88
291.71
291.29
291.27
291.15
291.05
290.82
290.66
290.53
27
291.05
291.18
290.70
291.65
291.76
291.30
291.26
291.08
291.05
290.55
290.69
290.63
28
291.14
291.19
290.77
291.50
291.65
291.30
291.26
291.18
290.97
290.60
290.82
290.71
29
291.11
291.22
291.04
291.42
291.87
291.46
291.28
291.18
290.94
290.67
290.74
30
291.15
291.25
291.13
291.25
291.95
291.50
291.25
291.07
290.91
290.71
290.66
31
291.30
291.31
291.74
291.24
290.86
291.03
290.51
----------
--------------
Mean
291.29
291.42
291.10
291.29
291.48
291.76
291.37
291.15
290.87
290.91
290.88
290.68
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Max
291.56
292.75
291.42
291.89
291.95
292.60
291.66
291.48
291.22
291.18
291.23
291.15
292.75
Min
291.05
291.17
290.70
290.89
291.17
291.29
291.24
290.88
290.43
290.55
290.50
290.35
290.35
292.80
m. (MSL.) ,
288.50
m. (MSL.) ,
River Bed 289.03
m. (MSL.)
295.79
m. (MSL.) ,
295.80
m. (MSL.) ,
Drainage Area 1569 Square Kilometers
at 09.00 Hours , on May 8 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation