Basic HTML Version
208
Location : on left bank at Pracha Uthit Bridge.
452
sq.km.
WATER YEAR : 2012
PING RIVER BASIN
Nam Mae Klang at Pracha Uthit Bridge , Chiang Mai (P.24A)
Lat 18 - 25 - 02 N Long 98 - 40 - 29 E
Drainge Area
Amphoe
Chom Thong
Changwat
Chiang Mai
Ban
Pracha Uthit Bridge
Staff gage
+275.000 m. (MSL.)
B.M.-H.D.
near the gage observer's house.
Elevation
3-time daily reading at 06.00, 12.00 and 18.00 hours.
Arithmetic mean of 3 readings
1973 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+277.954 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1973 to date
-
1973 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 42 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
275.78
275.55
275.72
275.52
275.75
275.84
276.03
275.88
275.78
275.31
275.41
275.26
2
275.69
275.54
275.62
275.49
275.69
275.82
276.12
275.83
275.78
275.30
275.37
275.26
3
275.64
275.50
275.57
275.50
275.62
275.86
276.06
275.78
275.78
275.28
275.40
275.25
4
275.64
275.88
275.59
275.49
275.68
275.92
276.00
275.73
275.76
275.27
275.41
275.26
5
275.67
276.10
275.57
275.51
275.69
275.94
275.93
275.80
275.66
275.27
275.36
275.32
6
275.63
275.86
275.51
275.62
275.69
276.14
275.94
275.78
275.65
275.28
275.33
275.33
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
275.62
276.57
275.53
275.71
275.68
277.38
275.95
275.76
275.62
275.35
275.26
275.30
8
275.70
276.24
275.91
275.60
275.64
277.55
275.94
275.79
275.56
275.35
275.25
275.28
9
275.65
275.79
275.85
275.56
276.06
276.81
275.93
275.78
275.62
275.35
275.24
275.28
10
275.81
275.99
275.85
275.87
275.89
276.50
275.92
275.77
275.58
275.26
275.23
275.28
11
275.58
275.58
275.70
275.62
275.83
276.39
275.88
275.79
275.51
275.26
275.22
275.27
12
275.54
275.52
275.65
275.53
275.79
276.31
275.89
275.76
275.50
275.26
275.22
275.25
13
275.51
275.50
275.57
275.47
275.78
276.10
275.89
275.78
275.51
275.26
275.22
275.22
14
275.49
275.50
275.51
275.46
275.74
276.29
275.92
275.99
275.50
275.25
275.20
275.22
15
275.49
275.49
275.50
275.46
275.71
277.01
275.88
275.84
275.50
275.25
275.19
275.24
16
275.50
275.52
275.50
275.45
275.76
276.76
275.86
275.82
275.49
275.25
275.24
275.23
17
275.50
275.50
275.50
275.47
275.78
276.73
275.87
275.80
275.51
275.24
275.36
275.24
18
275.50
275.47
275.48
275.51
275.71
276.31
275.91
275.77
275.51
275.24
275.30
275.23
19
275.49
275.48
275.48
275.56
275.68
276.13
275.87
275.78
275.51
275.23
275.27
275.22
20
275.48
275.47
275.47
275.56
275.61
276.09
275.85
275.79
275.51
275.23
275.28
275.22
21
275.65
275.50
275.63
275.54
275.81
276.11
275.83
275.84
275.49
275.29
275.28
275.21
22
275.53
275.48
275.67
275.55
275.75
276.04
275.84
275.82
275.48
275.36
275.27
275.22
23
275.50
275.48
275.62
275.72
275.95
276.02
275.76
275.81
275.48
275.34
275.27
275.22
24
275.49
275.52
275.56
275.84
276.06
276.00
275.74
275.81
275.49
275.33
275.27
275.21
25
275.47
275.91
275.53
276.41
276.27
276.07
275.72
275.78
275.52
275.33
275.27
275.21
26
275.48
275.94
275.52
276.13
276.07
276.18
275.71
275.79
275.52
275.23
275.27
275.22
27
275.53
275.68
275.52
275.86
275.94
276.02
275.71
275.83
275.49
275.23
275.26
275.21
28
275.54
275.70
275.64
275.84
276.10
276.80
275.70
275.81
275.36
275.23
275.26
275.21
29
275.53
275.66
275.56
275.84
276.04
276.80
275.70
275.80
275.36
275.23
275.21
30
275.53
276.05
275.56
275.78
276.00
276.09
275.70
275.81
275.36
275.25
275.21
31
275.88
275.78
275.89
275.70
275.36
275.48
275.21
----------
--------------
Mean
275.57
275.70
275.60
275.65
275.83
276.33
275.86
275.80
275.54
275.28
275.28
275.24
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Max
275.81
276.57
275.91
276.41
276.27
277.55
276.12
275.99
275.78
275.48
275.41
275.33
277.55
Min
275.47
275.47
275.47
275.45
275.61
275.82
275.70
275.73
275.36
275.23
275.19
275.21
275.19
278.22
m. (MSL.) ,
275.00
m. (MSL.) ,
River Bed 274.37
m. (MSL.)
280.20
m. (MSL.) ,
280.08
m. (MSL.) ,
Drainage Area 452 Square Kilometers
at 08.00 Hours , on Sep 7 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation