Basic HTML Version
222
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WATER YEAR : 2013
PING RIVER BASIN
Nam Mae Klang at Pracha Uthit Bridge , Chiang Mai (P.24A)
Lat 18 - 25 - 02 N Long 98 - 40 - 29 E
Locat on : on e t an at Prac a Ut t Br ge.
452
sq.km.
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.
Drainge Area
Amphoe
Chom Thong
Changwat
Chiang Mai
Ban
Pracha Uthit Bridge
Gage Reading Frequency
Zero Gage at Bottom
+277.954 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 3 readings
1973 to date
1973 to date
-
1973 to date
Fairly stable.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records fair. Stage-discharge relation defined by 39 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
275.21
275.15
275.22
275.26
275.80
275.85
276.07
276.04
275.79
275.40
275.48
275.43
2
275.22
275.15
275.21
275.26
275.68
275.72
276.55
275.93
275.79
275.40
275.48
275.43
3
275.22
275.15
275.75
275.25
275.64
275.62
276.35
275.87
275.79
275.40
275.48
275.44
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
275.22
275.16
275.72
275.25
275.58
275.59
276.06
275.86
275.79
275.40
275.48
275.44
5
275.21
275.16
275.61
275.25
275.63
275.53
276.28
275.84
275.72
275.38
275.48
275.44
6
275.20
275.26
275.58
275.37
275.55
276.05
276.03
275.89
275.72
275.51
275.47
275.42
7
275.20
275.29
275.45
275.33
275.43
276.08
275.99
275.86
275.70
275.51
275.47
275.42
8
275.16
275.26
275.31
275.42
275.40
275.86
276.01
275.80
275.70
275.50
275.47
275.42
9
275.16
275.23
275.28
275.34
275.65
277.11
275.97
275.80
275.66
275.50
275.47
275.42
10
275.15
275.22
275.34
275.31
275.63
276.47
275.88
275.80
275.66
275.50
275.47
275.40
11
275.16
275.22
275.50
275.30
276.67
275.85
275.81
275.82
275.41
275.50
275.46
275.40
12
275 17
275 22
275 41
275 35
276 05
275 91
275 85
275 82
275 41
275 50
275 46
275 40
.
.
.
.
.
.
.
.
.
.
.
.
13
275.16
275.22
275.52
275.32
276.30
276.90
275.84
275.81
275.42
275.50
275.46
275.39
14
275.15
275.20
275.42
275.30
275.95
277.18
275.84
275.80
275.42
275.50
275.46
275.39
15
275.19
275.20
275.33
275.30
275.99
276.42
275.70
275.80
275.41
275.50
275.46
275.39
16
275.19
275.20
275.30
275.29
275.85
276.10
275.68
275.80
275.54
275.49
275.46
275.39
17
275.21
275.20
275.27
275.29
275.76
276.15
275.68
275.79
275.44
275.48
275.46
275.37
18
275.19
275.20
275.26
275.29
275.72
276.08
276.80
275.78
275.41
275.48
275.45
275.33
19
275.20
275.18
275.25
275.28
275.68
275.95
277.06
275.86
275.42
275.48
275.45
275.39
20
275.20
275.17
275.31
275.28
275.65
275.90
276.53
276.15
275.41
275.50
275.45
275.43
21
275.21
275.18
275.28
275.29
275.69
275.79
276.64
275.88
275.62
275.50
275.45
275.43
22
275.21
275.18
275.30
275.32
275.76
275.79
277.66
275.86
275.62
275.50
275.45
275.43
23
275.24
275.18
275.30
275.33
276.13
275.75
276.38
275.86
275.62
275.50
275.45
275.43
24
275.24
275.22
275.26
275.56
276.41
275.70
277.03
275.84
275.58
275.50
275.45
275.43
25
275.23
275.22
275.25
275.86
275.88
275.76
276.61
275.80
275.57
275.50
275.43
275.43
26
275.22
275.22
275.50
275.62
275.83
276.09
276.25
275.79
275.57
275.50
275.44
275.43
27
275.21
275.21
275.31
275.73
275.72
276.15
276.18
275.86
275.62
275.50
275.43
275.43
28
275.21
275.19
275.30
275.77
275.69
277.25
276.13
275.81
275.61
275.51
275.43
275.43
29
275.19
275.18
275.27
275.65
275.63
276.44
276.13
275.93
275.61
275.49
275.43
30
275.18
275.18
275.26
275.85
275.62
276.15
276.04
275.84
275.61
275.48
275.43
31
275.19
276.26
275.57
275.99
275.60
275.48
275.43
----------
--------------
Mean
275.20
275.20
275.37
275.43
275.79
276.11
276.23
275.85
275.59
275.48
275.46
275.42
Max
275.24
275.29
275.75
276.26
276.67
277.25
277.66
276.15
275.79
275.51
275.48
275.44
277.66
Min
275.15
275.15
275.21
275.25
275.40
275.53
275.68
275.78
275.41
275.38
275.43
275.33
275.15
278.32
m. (MSL.) ,
275.00
m. (MSL.) ,
River Bed 274.45
m. (MSL.)
280.19
m. (MSL.) ,
280.98
m. (MSL.) ,
Drainage Area 452 Square Kilometers
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at 08.00 Hours , on Oct 22 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation