Basic HTML Version
216
Location : on left bank at Pracha Uthit Bridge.
452
sq.km.
Amphoe
Chom Thong
Changwat
Chiang Mai
Ban
Pracha Uthit Bridge
WATER YEAR : 2011
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
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 means of 3 readings
1973 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+277.954 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1973 to date
-
1973 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 36 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
275.65
275.68
275.62
275.91
276.52
276.56
276.81
276.17
275.93
275.72
275.57
275.44
2
275.66
275.69
275.80
275.96
276.56
276.79
279.06
276.16
275.93
275.72
275.65
275.45
3
275.66
275.63
275.88
275.98
276.69
276.16
278.60
276.18
275.92
275.72
275.62
275.47
4
275.66
275.69
276.66
276.04
277.28
276.43
279.19
276.26
275.88
275.70
275.60
275.47
5
275.66
275.66
276.57
275.96
276.56
276.38
278.04
276.28
275.86
275.66
275.59
275.49
6
275.67
275.70
276.69
275.91
276.33
277.01
277.16
276.13
275.85
275.66
275.56
275.54
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
275.67
275.93
276.19
275.92
276.28
277.33
276.88
276.11
275.84
275.64
275.54
275.54
8
275.68
276.33
276.01
275.86
276.24
276.51
276.77
276.10
275.83
275.64
275.52
275.53
9
275.68
275.84
275.92
275.75
276.23
276.65
276.61
276.10
275.83
275.66
275.50
275.54
10
275.69
276.25
275.85
275.96
276.28
276.64
276.49
276.35
275.83
275.70
275.51
275.56
11
275.71
276.39
275.78
275.97
276.19
276.76
276.40
276.12
275.83
275.68
275.51
275.54
12
275.74
275.95
275.92
275.92
276.32
277.83
276.35
276.10
275.82
275.73
275.51
275.57
13
275.72
275.91
275.86
275.76
276.19
277.71
276.30
276.07
275.83
275.72
275.55
275.57
14
275.70
275.89
275.87
275.80
276.14
277.15
276.21
276.06
275.82
275.73
275.55
275.57
15
275.76
275.94
276.11
276.32
276.08
276.98
276.24
276.06
275.73
275.72
275.55
275.55
16
275.94
276.33
275.86
275.94
276.08
277.55
276.47
276.05
275.77
275.67
275.55
275.54
17
275.70
276.49
275.86
275.84
276.08
276.63
278.19
276.05
275.72
275.64
275.55
275.50
18
275.67
277.09
275.98
275.84
276.29
276.57
277.66
276.03
275.70
275.58
275.56
275.50
19
275.78
276.71
275.88
275.90
276.23
276.58
276.96
276.00
275.76
275.58
275.57
275.50
20
276.06
276.46
275.92
275.97
276.90
276.57
276.66
276.00
275.74
275.57
275.54
275.50
21
275.74
276.11
275.85
276.13
276.46
276.50
276.52
276.00
275.74
275.56
275.49
275.50
22
275.65
276.01
275.79
276.13
276.29
276.68
276.40
276.00
275.78
275.56
275.49
275.50
23
275.66
275.87
275.66
276.08
276.24
276.41
276.30
276.00
275.74
275.54
275.48
275.50
24
275.74
275.82
275.76
276.05
276.23
276.37
276.28
276.00
275.74
275.55
275.49
275.49
25
276.07
275.86
275.92
276.03
276.25
276.46
276.25
276.00
275.73
275.59
275.49
275.49
26
275.85
275.85
276.38
276.06
278.05
276.36
276.21
276.01
275.73
275.58
275.49
275.49
27
275.76
275.84
276.33
275.90
277.48
277.14
276.18
275.99
275.71
275.58
275.46
275.50
28
275.73
275.84
276.22
275.83
276.63
276.87
276.18
275.96
275.72
275.57
275.44
275.51
29
275.65
275.84
276.06
275.82
276.39
276.69
276.18
275.95
275.72
275.54
275.44
275.51
30
275.60
275.81
275.96
275.92
276.28
276.47
276.18
275.93
275.71
275.54
275.53
31
275.77
275.92
276.31
276.17
275.71
275.57
275.52
----------
--------------
Mean
275.73
276.01
276.01
275.95
276.45
276.76
276.84
276.07
275.79
275.63
275.53
275.51
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Max
276.07
277.09
276.69
276.32
278.05
277.83
279.19
276.35
275.93
275.73
275.65
275.57
279.19
Min
275.60
275.63
275.62
275.75
276.08
276.16
276.17
275.93
275.70
275.54
275.44
275.44
275.44
279.82
m. (MSL.) ,
275.00
m. (MSL.) ,
River Bed 274.55
m. (MSL)
280.19
m. (MSL.) ,
280.08
m. (MSL.) ,
Drainage Area 452 Square Kilometers
at 05.00 Hours , on Oct 3 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation