Basic HTML Version
234
i
l f b k h b id hi h
WATER YEAR : 2013
PING RIVER BASIN
Nam Mae Khan at Ban Klang , Chiang Mai (P.71A)
Lat 18 - 32 - 50 N Long 98 - 51 - 44 E
Locat on : on e t an at t e r ge on g way.
1,634
sq.km.
Water - stage recorder
+283.285 m. (MSL.)
B.M.-H.D.
On left bank about 3 meters from the top staff gage.
Elevation
Recording
Bench Mark
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Type of Gage
Amphoe
San Pa Tong
Changwat
Chiang Mai
Ban
Klang
Drainge Area
+287.570 m. (MSL.)
Arithmetic mean of 24 readings
1996 to date
1996 to date
-
1996 to date
Fairly stablebecause of backwater effect.
No overbank flow
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Basis of Mean Daily Gage Height
Records fair. The concrete weir made by R.I.D. about 3 kilometers
and the temporary weir about 300 meters downstream from the gage site.
Stage-discharge relation defined by 44 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
284.39
284.38
284.37
284.29
284.84
284.85
285.45
285.28
285.14
284.54
284.45
284.28
2
284.39
284.36
284.37
284.29
284.71
284.63
285.65
285.23
285.13
284.54
284.44
284.25
3
284.39
284.34
284.36
284.29
284.69
284.66
285.77
285.18
285.08
284.54
284.44
284.25
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
284.39
284.34
284.34
284.29
284.72
284.67
285.87
285.13
285.04
284.54
284.44
284.25
5
284.37
284.34
284.36
284.31
284.84
284.59
285.64
285.08
285.04
284.56
284.44
284.25
6
284.37
284.35
284.47
284.41
284.73
284.75
285.46
285.04
285.04
284.59
284.44
284.24
7
284.37
284.43
284.43
284.44
284.63
284.92
285.44
285.03
285.04
284.59
284.39
284.24
8
284.37
284.54
284.39
284.44
284.66
285.34
285.22
284.92
284.99
284.59
284.44
284.24
9
284.37
284.49
284.39
284.43
284.74
285.46
285.00
284.92
284.89
284.56
284.44
284.24
10
284.36
284.46
284.37
284.50
284.95
284.97
284.88
284.97
284.87
284.49
284.40
284.22
11
284.37
284.38
284.37
284.46
286.28
285.30
284.81
284.93
284.76
284.53
284.34
284.09
12
284 36
284 34
284 37
284 44
286 39
285 12
284 78
284 94
284 68
284 52
284 33
284 09
.
.
.
.
.
.
.
.
.
.
.
.
13
284.36
284.34
284.37
284.44
286.18
286.50
284.76
284.92
284.63
284.53
284.32
284.09
14
284.36
284.34
284.37
284.43
285.76
286.28
284.74
284.84
284.66
284.54
284.32
284.09
15
284.37
284.33
284.36
284.43
285.54
286.15
284.73
284.83
284.94
284.52
284.32
284.09
16
284.37
284.32
284.35
284.44
285.40
286.15
284.63
284.83
285.02
284.51
284.32
284.09
17
284.38
284.31
284.35
284.42
285.25
286.55
284.73
284.84
284.85
284.46
284.32
284.09
18
284.39
284.29
284.35
284.41
284.94
285.81
285.62
285.12
284.80
284.46
284.31
284.09
19
284.39
284.30
284.33
284.39
284.71
285.42
287.80
285.35
284.78
284.46
284.29
284.09
20
284.39
284.32
284.27
284.41
284.65
285.03
286.44
285.83
284.76
284.45
284.29
284.09
21
284.39
284.34
284.19
284.44
285.03
284.83
286.07
285.21
284.75
284.44
284.29
284.09
22
284.40
284.34
284.19
284.42
284.85
284.78
286.86
285.03
284.70
284.46
284.29
284.09
23
284.41
284.34
284.22
284.41
285.10
284.75
286.08
285.03
284.60
284.46
284.29
284.09
24
284.41
284.35
284.29
284.54
285.03
284.73
286.44
285.04
284.59
284.46
284.29
284.09
25
284.43
284.37
284.31
285.60
284.84
285.16
286.22
285.05
284.59
284.46
284.29
284.09
26
284.43
284.37
284.41
284.90
284.74
285.19
285.59
284.94
284.59
284.45
284.29
284.09
27
284.39
284.37
284.30
284.74
284.68
286.24
285.46
284.91
284.59
284.45
284.29
284.32
28
284.39
284.36
284.25
284.71
284.63
288.12
285.35
284.89
284.59
284.45
284.29
284.46
29
284.39
284.34
284.28
284.62
284.58
287.16
285.72
284.89
284.59
284.45
284.46
30
284.38
284.34
284.29
284.74
284.54
285.94
285.47
284.94
284.58
284.45
284.46
31
284.35
284.91
284.57
285.43
284.54
284.45
284.46
----------
--------------
Mean
284.38
284.36
284.34
284.52
285.01
285.47
285.55
285.04
284.80
284.50
284.35
284.20
Max
284.43
284.54
284.47
285.60
286.39
288.12
287.80
285.83
285.14
284.59
284.45
284.46
288.12
Min
284.36
284.29
284.19
284.29
284.54
284.59
284.63
284.83
284.54
284.44
284.29
284.09
284.09
288.40
m. (MSL.) ,
283.29
m. (MSL.) ,
River Bed 282.33
m. (MSL.)
290.10
m. (MSL.) ,
290.10
m. (MSL.) ,
Drainage Area 1634 Square Kilometers
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at 20.00 Hours , on Sep 28 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation