Basic HTML Version
232
Location : on left bank at the bridge on road.
3,088
sq.km.
WATER YEAR : 2011
PING RIVER BASIN
Ping River at Ban Cho Lae , Chiang Mai (P.75)
Lat 19 - 08 - 58 N Long 99 - 00 - 43 E
Amphoe
Mae Teang
Changwat
Chiang Mai
Ban
Cho Lae
Drainge Area
Water - stage recorder
+337.600 m. (MSL.)
B.M.-H.D.
On left bank about 3 meters from the top staff gage.
Elevation
Recording.
Arithmetic means of 24 readings
1998 to date
Bench Mark
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
Type of Gage
+341.805 m. (MSL.)
Rating Operation
Period of Available Gage Records
1998 to date
-
1999 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 38 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
338.69
338.65
338.80
338.97
340.57
340.62
340.70
339.00
338.70
338.60
338.65
338.30
2
338.69
338.83
338.74
339.03
340.83
340.62
340.88
338.98
338.95
338.60
338.68
338.65
3
338.70
339.52
338.74
339.10
340.36
340.61
341.10
338.96
338.67
338.60
338.67
338.52
4
338.70
339.64
338.85
339.04
340.01
340.39
341.18
338.94
338.64
338.59
338.65
338.46
5
338.69
339.51
338.99
338.98
339.60
339.91
341.14
338.94
338.63
338.61
338.56
338.51
6
338.68
339.65
339.00
338.94
339.40
340.53
340.79
339.02
338.62
338.61
338.36
338.54
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
7
338.70
339.44
339.03
338.89
339.38
340.94
340.21
339.34
338.61
338.61
338.57
338.54
8
338.70
339.45
338.96
338.87
339.20
340.37
340.15
339.35
338.60
338.60
338.63
338.52
9
338.70
339.13
338.92
338.88
339.47
340.27
340.13
339.19
338.60
338.60
338.63
338.54
10
338.80
339.60
338.86
338.95
340.03
340.20
340.08
338.95
338.60
338.60
338.81
338.64
11
338.99
338.87
338.83
338.79
340.12
339.95
340.04
338.80
338.57
338.60
339.22
338.95
12
338.98
339.05
338.85
338.60
340.25
339.69
340.37
338.61
338.56
338.60
339.24
338.97
13
339.02
338.74
338.94
338.62
340.56
339.92
340.34
338.83
338.55
338.62
339.24
338.97
14
339.09
338.70
339.11
338.70
340.47
340.29
340.18
338.87
338.65
338.72
339.22
338.96
15
339.09
339.33
339.02
338.87
340.06
340.42
339.88
338.83
338.55
338.85
339.16
338.85
16
339.07
338.53
338.98
339.25
339.87
340.33
339.83
338.79
338.53
338.74
338.96
338.81
17
338.92
338.68
338.95
339.61
339.65
340.21
339.48
338.78
338.52
338.73
338.41
338.78
18
338.74
338.81
338.94
339.58
340.05
340.12
339.47
338.78
338.52
338.69
338.58
338.77
19
338.73
339.55
338.95
339.25
340.13
340.09
339.42
338.77
338.51
338.63
338.57
338.76
20
338.73
339.75
338.94
339.12
340.15
340.13
339.37
338.75
338.50
338.61
338.55
338.78
21
338.71
339.40
338.89
339.45
340.18
340.03
339.34
338.73
338.50
338.60
338.52
338.56
22
338.58
339.28
338.78
339.62
340.42
340.66
339.25
338.72
338.50
338.59
338.52
338.78
23
338.64
339.16
338.64
339.41
340.30
340.61
339.22
338.69
338.50
338.55
338.51
338.78
24
338.96
339.18
338.48
339.49
340.05
340.44
339.21
338.96
338.51
338.54
338.27
338.78
25
338.76
338.94
338.49
339.83
340.14
341.02
339.14
338.72
338.50
338.56
338.42
338.77
26
338.95
338.67
338.68
339.61
341.74
340.25
339.10
338.70
338.51
338.63
338.27
338.76
27
338.97
338.68
339.02
339.42
341.31
340.89
339.06
338.71
338.53
338.63
338.49
338.76
28
338.66
338.76
338.82
339.35
340.84
341.28
339.02
338.71
338.60
338.62
338.52
338.74
29
338.66
338.82
338.75
339.30
340.73
341.79
339.03
338.70
338.60
338.62
338.49
338.76
30
338.72
338.99
339.08
339.23
340.67
341.00
339.06
338.69
338.60
338.64
338.76
31
339.17
339.37
340.64
339.06
338.60
338.65
338.75
----------
--------------
Mean
338.80
339.11
338.87
339.17
340.23
340.45
339.85
338.86
338.58
338.63
338.67
338.71
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
339.09
339.75
339.11
339.83
341.74
341.79
341.18
339.35
338.95
338.85
339.24
338.97
341.79
Min
338.58
338.53
338.48
338.60
339.20
339.69
339.02
338.61
338.50
338.54
338.27
338.30
338.27
342.12
m. (MSL.) ,
337.60
m. (MSL.) ,
River Bed 336.97
m. (MSL)
345.12
m. (MSL.) ,
345.13
m. (MSL.) ,
Drainage Area 3088 Square Kilometers
at 11.00 Hours , on Aug 26 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation