Basic HTML Version
224
Location : on left bank at the bridge near land Cooperative Office.
546
sq.km.
WATER YEAR : 2011
PING RIVER BASIN
Nam Mae Ngat at Ban Sahakorn Romklao , Chiang Mai (P.56A)
Lat 19 - 17 - 04 N Long 99 - 11 - 23 E
Amphoe
Phrao
Changwat
Chiang Mai
Ban
Sahakorn Romklao
Drainge Area
Water - stage recorder
+408.300 m. (MSL.)
B.M.-H.D.
On left bank about 10 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
+416.250 m. (MSL.)
Rating Operation
Period of Available Gage Records
1998 to date
-
1998 to date
Fairly stable.
No overbank flow.
Records good. Stage-discharge relation defined by 34 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
409.51
410.16
409.79
410.00
412.76
410.84
411.51
410.54
410.26
410.02
409.94
409.84
2
409.50
410.36
409.74
410.09
411.63
410.82
411.63
410.50
410.23
410.02
409.94
409.84
3
409.50
411.18
409.73
410.20
411.69
410.70
411.18
410.49
410.22
410.02
409.96
409.84
4
409.49
410.72
409.76
410.31
410.93
410.61
410.96
410.49
410.22
410.02
409.96
409.83
5
409.49
411.07
409.79
410.08
410.58
410.75
410.86
410.47
410.21
410.03
409.96
409.83
6
409.49
410.36
409.88
409.92
410.44
411.35
410.81
410.46
410.20
410.02
409.92
409.83
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
7
409.48
410.03
410.18
409.76
410.45
411.06
410.89
410.44
410.15
410.02
409.95
409.83
8
409.48
409.90
409.86
409.73
410.48
410.84
411.82
410.43
410.12
410.02
409.94
409.83
9
409.48
410.16
409.74
409.77
410.62
410.74
411.01
410.44
410.10
410.00
409.90
409.83
10
409.48
410.21
409.68
409.76
411.73
410.89
410.76
410.43
410.10
410.00
409.88
409.83
11
409.48
409.96
409.67
409.74
411.89
410.66
410.68
410.42
410.09
410.00
409.87
409.83
12
409.48
409.88
409.71
409.69
411.76
410.65
410.62
410.40
410.08
410.00
409.87
409.83
13
409.48
409.83
410.11
409.69
412.28
411.10
410.58
410.38
410.07
410.00
409.86
409.83
14
409.48
409.77
410.03
409.85
411.31
411.04
410.53
410.37
410.06
410.05
409.86
409.94
15
409.47
409.72
409.83
410.58
410.97
411.17
410.67
410.35
410.08
410.38
409.85
410.27
16
409.47
409.73
409.75
411.09
411.01
411.39
410.70
410.36
410.09
410.20
409.85
410.15
17
409.46
409.84
409.71
411.64
410.82
410.92
410.68
410.36
410.04
410.12
409.85
410.09
18
409.46
409.94
409.69
410.74
410.76
410.77
410.73
410.36
410.02
410.08
409.85
410.00
19
409.46
409.95
409.66
410.46
410.74
410.80
410.67
410.36
410.02
410.08
409.84
409.99
20
409.46
410.23
409.60
410.51
411.37
410.86
410.62
410.36
410.01
410.08
409.84
409.93
21
409.46
409.89
409.64
410.60
412.36
411.06
410.61
410.36
409.98
410.08
409.84
409.93
22
409.99
409.76
409.76
410.44
412.03
410.92
410.59
410.34
409.97
410.06
409.84
409.91
23
410.94
409.69
409.66
410.18
411.23
410.82
410.53
410.33
409.98
410.00
409.83
409.85
24
410.93
409.66
409.52
410.51
410.95
410.76
410.48
410.33
409.98
409.99
409.81
409.84
25
410.98
409.63
409.51
410.57
411.41
410.79
410.46
410.35
409.99
409.97
409.82
409.85
26
410.69
409.63
410.45
410.23
412.04
410.85
410.45
410.36
410.00
409.95
409.83
409.95
27
410.76
409.64
411.21
410.00
411.78
411.16
410.44
410.36
410.00
409.96
409.83
409.89
28
411.07
409.64
410.52
409.92
411.26
412.28
410.43
410.34
410.00
409.96
409.84
409.88
29
410.80
409.78
410.25
409.87
411.18
412.74
410.52
410.28
410.02
409.95
409.84
409.88
30
410.64
410.40
410.07
409.85
411.22
411.48
411.13
410.27
410.02
409.94
409.88
31
409.93
410.16
410.93
410.71
410.02
409.93
409.87
----------
--------------
Mean
409.86
410.02
409.88
410.19
411.31
411.03
410.78
410.39
410.08
410.03
409.87
409.90
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
411.07
411.18
411.21
411.64
412.76
412.74
411.82
410.54
410.26
410.38
409.96
410.27
412.76
Min
409.46
409.63
409.51
409.69
410.44
410.61
410.43
410.27
409.97
409.93
409.81
409.83
409.46
413.15
m. (MSL.) ,
408.30
m. (MSL.) ,
River Bed 409.20
m. (MSL)
415.73
m. (MSL.) ,
415.77
m. (MSL.) ,
Drainage Area 546 Square Kilometers
at 12.00 Hours , on Aug 1 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation