Basic HTML Version
200
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WATER YEAR : 2013
PING RIVER BASIN
Ping River at Nawarat Bridge , Chiang Mai (P.1)
Lat 18 - 47 - 10 N Long 99 - 00 - 27 E
Locat on : on e t an a out 100 meters ownstream rom Nawarat Br ge.
6,350
sq.km.
Water - stage recorder.
+300.500 m. (MSL.)
B.M.-H.D.
On left bank near automatic gage building
Elevation
Recording
Drainge Area
Amphoe
Mueang
Changwat
Chiang Mai
Ban
Nawarat Bridge
Gage Reading Frequency
Zero Gage at Bottom
+305.310 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 24 readings
1921 to date
1954 - 1960 , 1967 to date
1936 - 1938
1954 - 1960 , 1967 to date
Fairly stable because of backwater effect.
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. Flow regulated by Mae Ngat Dam and Mae Taeng Weir above gage site.
Phaya Kham weir situated about 2 Kilometers dowmstream from the gage site.
Stage-discharge relation defined by 40 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
301.55
301.74
301.68
301.65
301.98
301.96
302.19
302.18
301.87
301.69
301.81
301.64
2
301.59
301.76
301.67
301.60
301.97
302.35
302.16
302.12
301.87
301.74
301.81
301.74
3
301.89
301.79
301.66
301.48
301.95
302.11
302.27
302.08
301.85
301.74
301.78
301.72
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
301.86
301.84
301.55
301.52
301.91
301.98
302.20
302.04
301.82
301.72
301.67
301.63
5
301.77
301.80
301.57
301.54
301.96
301.94
302.14
302.04
301.79
301.72
301.65
301.52
6
301.74
301.72
301.55
301.72
301.97
302.00
302.15
302.14
301.80
301.70
301.64
301.45
7
301.76
301.76
301.57
301.77
301.96
302.21
302.14
302.00
301.77
301.72
301.63
301.45
8
301.66
301.76
301.59
301.76
301.93
302.50
302.07
302.01
301.77
301.74
301.64
301.51
9
301.60
301.68
301.60
301.83
301.95
302.80
302.01
301.95
301.80
301.71
301.77
301.72
10
301.83
301.68
301.59
301.86
302.28
302.72
301.96
301.95
301.76
301.73
301.75
301.77
11
301.95
301.78
301.58
301.93
303.03
302.43
301.94
301.95
301.76
301.74
301.65
301.75
12
301 81
301 80
301 71
302 02
303 03
302 29
301 92
301 98
301 83
301 80
301 58
301 69
.
.
.
.
.
.
.
.
.
.
.
.
13
301.83
301.79
301.96
301.95
302.62
302.37
301.91
302.06
301.93
301.77
301.58
301.61
14
301.84
301.76
301.88
301.89
302.32
302.33
301.89
301.92
302.16
301.68
301.64
301.48
15
301.84
301.73
301.81
301.89
302.20
302.56
301.86
301.94
302.48
301.66
301.74
301.54
16
301.85
301.80
301.68
302.03
302.24
302.60
301.85
302.06
302.01
301.67
301.81
301.68
17
301.85
301.85
301.64
302.00
302.13
302.59
301.86
301.95
301.92
301.69
301.78
301.76
18
301.82
301.84
301.58
302.05
302.04
302.51
302.33
301.88
301.82
301.80
301.66
301.72
19
301.77
301.81
301.50
301.87
301.99
302.36
303.27
302.04
301.79
301.82
301.60
301.62
20
301.76
301.75
301.49
301.88
301.96
302.23
302.92
302.27
301.83
301.79
301.59
301.49
21
301.77
301.69
301.46
301.85
301.96
302.14
302.65
302.11
301.80
301.72
301.61
301.44
22
301.76
301.77
301.47
301.87
302.16
302.08
302.56
302.00
301.79
301.69
301.73
301.47
23
301.78
301.71
301.47
301.94
302.21
302.02
302.57
301.96
301.78
301.65
301.73
301.73
24
301.80
301.60
301.62
301.98
302.21
301.95
302.50
301.93
301.77
301.66
301.71
301.77
25
301.80
301.69
301.88
302.11
302.14
301.99
302.48
301.91
301.76
301.76
301.68
301.74
26
301.76
301.69
301.77
301.95
302.05
302.04
302.35
301.83
301.75
301.79
301.55
301.69
27
301.76
301.65
301.81
301.89
302.04
302.20
302.25
301.91
301.73
301.79
301.53
301.54
28
301.74
301.63
301.78
301.87
302.00
302.64
302.24
301.96
301.72
301.68
301.54
301.51
29
301.75
301.64
301.68
301.89
301.92
302.60
302.48
301.87
301.73
301.63
301.59
30
301.76
301.66
301.65
301.98
301.88
302.40
302.32
301.87
301.74
301.63
301.77
31
301.71
301.98
301.86
302.24
301.74
301.67
301.80
----------
--------------
Mean
301.77
301.74
301.65
301.86
302.12
302.30
302.25
302.00
301.84
301.72
301.67
301.63
Max
301.95
301.85
301.96
302.11
303.03
302.80
303.27
302.27
302.48
301.82
301.81
301.80
303.27
Min
301.55
301.60
301.46
301.48
301.86
301.94
301.85
301.83
301.72
301.63
301.53
301.44
301.44
303.36
m. (MSL.) ,
300.50
m. (MSL.) ,
River Bed 298.82
m. (MSL.)
307.73
m. (MSL.) ,
307.63
m. (MSL.) ,
Drainage Area 6350 Square Kilometers
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at 10.00 Hours , on Oct 19 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation