Basic HTML Version
204
Location : on right bank near War Inthra Ram.
1,345
sq.km.
Drainge Area
WATER YEAR : 2012
PING RIVER BASIN
Ping River at Ban Chiang Dao , Chiang Mai (P.20)
Lat 19 - 21 - 58 N Long 98 - 58 - 21 E
Amphoe
Chiang Dao
Changwat
Chiang Mai
Ban
Chiang Dao
Water - stage recorder.
+379.900 m. (MSL.)
B.M.-H.D.
About 2 meters from automatic gage building.
Elevation
Recording
Arithmetic mean of 24 readings
1954 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+384.033 m. (MSL.)
Bench Mark
Type of Gage
1979 - 1982 , 1989 to date
-
1979 - 1982 , 1989 to date
Fairly stable because of backwater effect.
No overbank flow.
Records fair. Flow effected by the local weir about 300 meters downstream from the gage site.
Stage-discharge relation defined by 40 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
379.98
380.15
380.39
380.11
380.17
380.34
380.32
380.16
380.13
380.00
380.00
379.92
2
379.97
380.14
380.36
380.15
380.17
380.37
380.35
380.14
380.13
380.00
379.99
379.92
3
379.98
380.15
380.35
380.17
380.16
380.48
380.36
380.13
380.19
380.00
380.00
379.92
4
380.08
380.12
380.29
380.29
380.17
380.75
380.33
380.13
380.14
380.01
380.04
379.94
5
380.44
380.10
380.28
380.17
380.15
380.67
380.30
380.14
380.12
380.00
379.99
379.96
6
380.37
380.13
380.30
380.22
380.15
380.53
380.33
380.13
380.11
380.00
379.97
379.98
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
380.38
380.25
380.32
380.29
380.15
380.70
380.43
380.12
380.10
380.00
379.97
379.96
8
380.36
380.46
380.49
380.21
380.14
380.86
380.32
380.12
380.08
380.00
379.95
379.96
9
380.35
380.30
380.26
380.37
380.16
380.89
380.28
380.12
380.06
380.00
379.93
380.01
10
380.32
380.26
380.20
380.33
380.13
380.90
380.25
380.11
380.06
380.00
379.93
379.96
11
380.30
380.28
380.20
380.24
380.13
380.79
380.22
380.10
380.05
380.00
379.94
379.94
12
380.25
380.23
380.20
380.22
380.14
380.78
380.21
380.09
380.04
379.99
379.94
379.91
13
380.22
380.16
380.18
380.37
380.15
380.69
380.22
380.11
380.05
379.99
379.93
379.92
14
380.20
380.12
380.16
380.29
380.18
380.71
380.21
380.09
380.05
379.99
379.94
379.88
15
380.20
380.10
380.14
380.33
380.15
380.63
380.22
380.09
380.04
379.99
379.95
379.89
16
380.20
380.11
380.11
380.28
380.13
380.55
380.24
380.11
380.04
379.98
379.95
379.91
17
380.18
380.11
380.09
380.23
380.14
380.46
380.31
380.12
380.03
379.97
379.94
379.90
18
380.17
380.09
380.10
380.27
380.16
380.40
380.32
380.09
380.03
379.96
379.95
379.91
19
380.12
380.09
380.10
380.26
380.17
380.37
380.25
380.14
380.03
379.96
379.96
379.89
20
380.10
380.11
380.09
380.29
380.22
380.39
380.23
380.32
380.03
379.95
379.95
379.89
21
380.15
380.13
380.09
380.28
380.25
380.64
380.22
380.22
380.03
379.95
379.94
379.87
22
380.14
380.16
380.11
380.24
380.32
380.51
380.20
380.17
380.03
379.95
379.94
379.87
23
380.14
380.16
380.13
380.23
380.50
380.36
380.19
380.14
380.02
379.95
379.93
379.87
24
380.15
380.15
380.13
380.34
380.50
380.33
380.17
380.12
380.02
379.95
379.93
379.87
25
380.13
380.16
380.13
380.41
380.57
380.33
380.19
380.12
380.02
379.95
379.93
379.87
26
380.16
380.20
380.13
380.29
380.43
380.30
380.18
380.12
380.01
379.95
379.93
379.87
27
380.16
380.25
380.13
380.26
380.41
380.27
380.19
380.12
380.01
379.95
379.93
379.87
28
380.16
380.37
380.11
380.27
380.34
380.31
380.17
380.13
380.01
379.95
379.93
380.16
29
380.15
380.19
380.11
380.24
380.28
380.40
380.16
380.13
380.02
379.95
380.35
30
380.15
380.26
380.10
380.23
380.29
380.31
380.14
380.12
380.01
379.99
380.35
31
380.49
380.21
380.28
380.16
380.00
380.06
380.34
----------
--------------
Mean
380.19
380.19
380.19
380.26
380.24
380.53
380.25
380.13
380.05
379.98
379.95
379.96
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Max
380.44
380.49
380.49
380.41
380.57
380.90
380.43
380.32
380.19
380.06
380.04
380.35
380.90
Min
379.97
380.09
380.09
380.11
380.13
380.27
380.14
380.09
380.00
379.95
379.93
379.87
379.87
380.93
m. (MSL.) ,
379.90
m. (MSL.) ,
River Bed 378.86
m. (MSL.)
385.62
m. (MSL.) ,
386.72
m. (MSL.) ,
Drainage Area 1345 Square Kilometers
at 24.00 Hours , on Sep 9 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation