Basic HTML Version
246
Location : on left bank at Ban Sop Win.
389
sq.km.
WATER YEAR : 2011
PING RIVER BASIN
Nam Mae Wang at Ban Sop Win , Chiang Mai (P.82)
Lat 18 - 39 - 08 N Long 98 - 41 - 26 E
Amphoe
Mae Wang
Changwat
Chiang Mai
Ban
Sop Win
Drainge Area
Water - stage recorder
+400.196 m. (MSL.)
B.M.-H.D.
On left bank about 5.00 meters from the top staff gage.
Elevation
Recording.
Arithmetic means of 24 readings
2003 to date
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
+406.756 m. (MSL.)
2003 to date
-
2003 to date
Rather unstable by some scouring.
No overbank flow.
Records fair. Stage-discharge relation defined by 36 discharge measurements made in 2011.
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
401.00
400.99
401.11
401.19
401.63
401.61
402.16
401.62
401.47
401.36
401.26
401.17
2
400.97
401.08
401.17
401.16
401.72
401.54
402.71
401.61
401.46
401.36
401.29
401.17
3
400.93
401.14
401.30
401.21
401.61
401.67
402.96
401.60
401.46
401.35
401.28
401.16
4
400.93
401.20
401.62
401.30
401.55
401.61
403.12
401.60
401.46
401.35
401.28
401.15
5
400.93
401.14
401.63
401.28
401.39
401.67
402.44
401.60
401.45
401.35
401.26
401.15
6
400.93
401.12
402.09
401.24
401.34
402.17
402.13
401.59
401.45
401.34
401.25
401.15
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
400.93
401.23
401.57
401.18
401.33
402.21
402.03
401.58
401.44
401.34
401.23
401.15
8
400.93
401.30
401.38
401.14
401.30
401.74
401.99
401.58
401.43
401.33
401.21
401.13
9
400.95
401.15
401.32
401.15
401.27
401.74
401.92
401.57
401.38
401.33
401.22
401.15
10
401.04
401.38
401.28
401.16
401.30
401.82
401.86
401.57
401.37
401.34
401.22
401.15
11
401.05
401.49
401.30
401.21
401.31
401.79
401.82
401.57
401.41
401.34
401.20
401.15
12
401.07
401.19
401.39
401.23
401.37
402.55
401.78
401.57
401.42
401.33
401.21
401.15
13
401.13
401.17
401.39
401.21
401.48
402.77
401.76
401.55
401.42
401.35
401.20
401.16
14
401.10
401.27
401.29
401.25
401.38
402.30
401.74
401.55
401.42
401.36
401.20
401.17
15
401.09
401.33
401.26
401.39
401.32
401.96
401.72
401.54
401.41
401.34
401.20
401.15
16
401.03
401.36
401.26
401.44
401.35
401.82
401.74
401.53
401.40
401.33
401.20
401.15
17
400.99
401.71
401.24
401.31
401.58
401.72
401.96
401.53
401.40
401.33
401.20
401.15
18
400.99
401.76
401.24
401.23
401.57
401.69
402.12
401.52
401.40
401.31
401.20
401.15
19
401.03
401.67
401.24
401.22
401.68
402.19
401.84
401.52
401.40
401.30
401.20
401.13
20
401.10
401.52
401.25
401.21
401.96
401.83
401.77
401.51
401.40
401.30
401.20
401.13
21
401.02
401.27
401.22
401.26
401.71
401.82
401.75
401.51
401.39
401.29
401.20
401.13
22
401.00
401.18
401.19
401.25
401.58
401.81
401.72
401.50
401.39
401.29
401.20
401.13
23
401.01
401.10
401.15
401.19
401.48
401.80
401.69
401.50
401.39
401.28
401.20
401.13
24
401.14
401.06
401.15
401.17
401.42
401.73
401.67
401.49
401.39
401.28
401.19
401.13
25
401.18
401.04
401.19
401.21
401.45
401.82
401.67
401.49
401.38
401.28
401.19
401.12
26
401.04
401.05
401.31
401.26
401.85
401.79
401.65
401.49
401.38
401.28
401.18
401.12
27
401.04
401.06
401.40
401.18
401.53
401.77
401.65
401.49
401.38
401.27
401.18
401.13
28
401.00
401.13
401.30
401.14
401.45
402.09
401.64
401.48
401.38
401.27
401.18
401.13
29
400.99
401.14
401.25
401.11
401.45
401.77
401.64
401.48
401.38
401.26
401.18
401.13
30
400.98
401.28
401.21
401.11
401.64
401.68
401.64
401.47
401.37
401.26
401.12
31
401.13
401.16
401.57
401.63
401.37
401.25
401.11
----------
--------------
Mean
401.02
401.25
401.32
401.22
401.50
401.88
401.93
401.54
401.41
401.31
401.21
401.14
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Max
401.18
401.76
402.09
401.44
401.96
402.77
403.12
401.62
401.47
401.36
401.29
401.17
403.12
Min
400.93
400.99
401.11
401.11
401.27
401.54
401.63
401.47
401.37
401.25
401.18
401.11
400.93
403.94
m. (MSL.) ,
400.20
m. (MSL.) ,
River Bed 400.32
m. (MSL)
405.99
m. (MSL.) ,
406.20
m. (MSL.) ,
Drainage Area 389 Square Kilometers
at 04.00 Hours , on Oct 4 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation