Basic HTML Version
248
Location : on left bank at Ban Phan Ton.
491
sq.km.
WATER YEAR : 2011
PING RIVER BASIN
Nam Mae Wang at Ban Phan Ton , Chiang Mai (P.84)
Lat 18 - 35 - 20 N Long 98 - 47 - 59 E
Amphoe
Mae Wang
Changwat
Chiang Mai
Ban
Phan Ton
Drainge Area
Water - stage recorder
+303.244 m. (MSL.)
B.M.-H.D.
On left bank at the abutment of the bridge.
Elevation
Recording.
Arithmetic means of 24 readings
2003 to date
+309.244 m. (MSL.)
Rating Operation
Period of Available Gage Records
Bench Mark
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
Type of Gage
2003 to date
-
2003 to date
Fairly stable.
No overbank flow.
Records Fair. Stage-discharge relation defined by 39 discharge measurements made in 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
303.49
303.50
303.56
303.85
304.19
304.59
304.85
304.69
304.41
304.26
304.03
303.99
2
303.48
303.56
303.69
303.85
304.56
304.48
306.48
304.69
304.41
304.25
304.04
303.95
3
303.49
303.57
303.85
303.88
304.45
304.78
306.77
304.71
304.45
304.23
304.02
303.96
4
303.47
303.61
304.10
303.92
304.47
304.65
306.73
304.68
304.51
304.20
304.02
303.97
5
303.48
303.63
304.14
303.91
304.17
304.80
306.21
304.70
304.45
304.13
304.03
303.97
6
303.51
303.69
305.10
303.88
303.98
305.99
305.38
304.71
304.40
304.22
304.00
303.97
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
303.52
303.60
304.43
303.74
304.03
306.19
305.27
304.69
304.39
304.21
303.97
303.95
8
303.61
303.65
304.23
303.64
303.86
304.93
305.24
304.68
304.40
304.21
303.97
303.85
9
303.83
303.67
304.06
303.63
303.82
305.03
305.23
304.67
304.40
304.22
303.95
303.89
10
303.51
304.00
303.88
303.62
303.80
305.17
305.16
304.67
304.40
304.15
303.98
303.87
11
303.49
304.35
303.74
303.56
303.81
304.88
305.09
304.65
304.38
304.13
303.97
303.89
12
303.51
303.94
303.86
303.61
304.17
305.09
305.04
304.66
304.36
304.12
303.97
303.94
13
303.50
303.79
303.97
303.78
304.25
306.70
305.02
304.64
304.38
304.14
303.98
303.95
14
303.68
303.70
303.83
303.90
304.10
306.18
304.99
304.62
304.37
304.10
303.97
303.98
15
303.53
304.19
303.82
303.93
303.95
305.32
304.98
304.61
304.35
304.11
303.94
303.99
16
303.48
304.01
303.82
303.95
304.07
305.18
304.98
304.61
304.36
304.13
303.94
303.94
17
303.55
304.84
303.79
303.94
304.54
304.92
305.63
304.59
304.36
304.14
303.97
303.91
18
303.57
304.67
303.95
303.71
304.53
304.98
305.55
304.59
304.34
304.12
303.97
303.82
19
303.51
304.54
303.89
303.63
304.43
305.17
305.20
304.59
304.32
304.09
303.98
303.72
20
303.52
304.28
303.99
303.77
304.94
305.23
305.00
304.58
304.29
304.07
303.97
303.88
21
303.57
304.13
303.91
303.76
304.58
305.16
304.89
304.56
304.30
304.08
303.97
303.89
22
303.51
303.95
303.85
303.73
304.44
305.24
304.90
304.52
304.29
304.12
303.97
303.88
23
303.49
303.73
303.79
303.60
304.32
305.26
304.84
304.48
304.28
304.11
303.96
303.86
24
303.59
303.55
303.78
303.56
304.27
304.98
304.87
304.48
304.29
304.09
303.96
303.81
25
303.52
303.57
303.86
303.59
304.29
305.19
304.84
304.47
304.30
304.06
303.97
303.82
26
303.57
303.73
304.07
303.58
304.63
304.98
304.84
304.46
304.32
304.04
303.97
303.81
27
303.51
303.50
304.25
303.47
304.54
305.17
304.83
304.45
304.30
304.03
303.99
303.84
28
303.50
303.63
304.06
303.47
304.32
305.58
304.76
304.44
304.30
304.04
303.97
303.91
29
303.48
303.79
303.98
303.52
304.44
305.10
304.79
304.44
304.28
304.03
303.98
303.87
30
303.50
304.07
303.91
303.47
305.03
304.97
304.80
304.43
304.27
304.04
303.84
31
303.68
303.56
304.48
304.74
304.27
304.02
303.86
----------
--------------
Mean
303.53
303.87
303.97
303.71
304.31
305.20
305.22
304.59
304.35
304.13
303.98
303.90
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
303.83
304.84
305.10
303.95
305.03
306.70
306.77
304.71
304.51
304.26
304.04
303.99
306.77
Min
303.47
303.50
303.56
303.47
303.80
304.48
304.74
304.43
304.27
304.02
303.94
303.72
303.47
307.38
m. (MSL.) ,
303.24
m. (MSL.) ,
River Bed 303.30
m. (MSL)
309.05
m. (MSL.) ,
309.06
m. (MSL.) ,
Drainage Area 491 Square Kilometers
Left Bank Elevation
Right Bank Elevation
at 18.00 Hours , on Sep 13 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation