Basic HTML Version
236
Location : on right bank at Ban Pong.
1,190
sq.km.
WATER YEAR : 2012
PING RIVER BASIN
Nam Mae Kuang at Ban Pong , Chiang Mai (P.81)
Lat 18 - 41 - 37 N Long 99 - 04 - 55 E
Amphoe
San Kamphaeng
Changwat
Chiang Mai
Ban
Pong
Drainge Area
Water - stage recorder
+289.919 m. (MSL.)
B.M.-H.D.
On right bank at the abutment of the bridge.
Elevation
Recording.
Arithmetic mean of 24 readings
2002 to date
+295.749 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
2002 to date
-
2002 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 43 discharge measurements made in 2012.
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
291.37
291.24
291.18
291.01
291.36
292.04
291.71
291.10
290.92
290.62
291.18
290.68
2
291.45
291.31
291.26
291.02
291.31
291.72
291.69
291.17
290.94
290.62
291.03
290.67
3
291.56
291.32
291.18
291.02
291.27
292.28
291.69
291.22
291.02
290.61
291.22
290.67
4
291.46
291.29
291.13
290.99
291.22
293.79
291.99
291.22
291.06
290.58
291.19
290.72
5
291.44
291.34
291.12
290.92
291.19
294.20
291.97
291.43
290.99
290.63
291.10
291.02
6
291.47
291.95
291.14
290.96
291.15
293.25
291.93
291.61
290.93
290.67
291.03
291.14
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
291.50
293.48
291.21
291.08
291.12
293.08
292.37
291.39
290.93
290.67
291.06
290.95
8
291.84
293.84
291.41
291.14
291.11
293.52
292.05
291.23
290.89
290.67
290.99
291.07
9
292.34
293.35
291.46
291.28
291.17
293.53
291.77
291.31
290.81
290.61
290.92
291.02
10
292.24
292.97
291.36
291.56
291.09
293.06
291.57
291.22
290.85
290.53
290.92
290.99
11
292.06
292.33
291.15
291.52
291.74
292.86
291.44
291.13
290.94
290.52
290.92
290.85
12
291.88
291.78
291.10
291.39
291.82
292.47
291.43
291.11
290.92
290.54
290.92
290.82
13
291.69
291.42
291.06
291.28
291.86
292.08
291.43
291.02
290.89
290.58
290.92
290.77
14
291.52
291.31
291.02
291.25
292.36
292.28
291.43
291.02
290.93
290.64
290.90
290.77
15
291.50
291.24
291.02
291.36
292.21
292.44
291.47
291.04
290.92
290.71
290.88
290.75
16
291.50
291.17
291.23
291.22
291.88
292.63
291.43
291.07
290.89
290.78
290.92
290.80
17
291.49
291.14
290.93
291.28
291.63
292.53
291.35
291.02
290.78
290.80
290.91
290.76
18
291.40
291.01
290.92
291.29
291.51
292.17
291.32
291.01
290.72
290.77
290.87
290.93
19
291.49
290.93
290.92
291.42
291.33
291.82
291.33
290.93
290.71
290.79
290.87
290.90
20
291.38
290.92
290.92
291.42
291.31
291.61
291.31
290.95
290.67
290.81
290.85
290.86
21
291.24
290.94
290.92
291.42
291.86
291.41
291.23
291.04
290.67
290.77
290.73
290.83
22
291.25
291.03
290.92
291.42
292.22
291.31
291.32
291.02
290.68
290.80
290.67
290.85
23
291.09
291.07
290.92
291.46
292.40
291.22
291.35
290.95
290.72
290.93
290.70
290.76
24
291.07
291.07
290.92
291.84
292.23
291.23
291.33
290.92
290.72
290.74
290.68
290.73
25
290.92
291.07
290.90
293.03
292.22
291.27
291.36
290.92
290.72
290.78
290.79
290.75
26
290.86
291.07
290.82
292.78
292.21
291.27
291.27
290.92
290.72
290.74
290.86
290.73
27
290.82
291.10
290.88
292.26
292.25
291.27
291.22
290.92
290.72
290.77
290.63
290.82
28
290.82
291.12
291.01
291.96
292.03
291.48
291.22
290.92
290.65
290.76
290.74
290.93
29
290.83
291.09
290.94
291.76
292.77
291.78
291.23
290.92
290.52
290.74
290.84
30
291.00
291.11
290.99
291.58
292.88
291.90
291.17
290.92
290.58
290.79
290.77
31
291.13
291.41
292.53
291.12
290.62
290.85
290.78
----------
--------------
Mean
291.42
291.52
291.06
291.46
291.78
292.25
291.50
291.09
290.81
290.70
290.91
290.84
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
292.34
293.84
291.46
293.03
292.88
294.20
292.37
291.61
291.06
290.93
291.22
291.14
294.20
Min
290.82
290.92
290.82
290.92
291.09
291.22
291.12
290.92
290.52
290.52
290.63
290.67
290.52
294.42
m. (MSL.) ,
289.92
m. (MSL.) ,
River Bed 290.23
m. (MSL.)
296.86
m. (MSL.) ,
296.87
m. (MSL.) ,
Drainage Area 1190 Square Kilometers
Left Bank Elevation
Right Bank Elevation
at 06.00 Hours , on Sep 5 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation