Basic HTML Version
220
Location : on right bank at Som Sieo Market
45,297 sq.km.
WATER YEAR : 2014
PING RIVER BASIN
Ping River at Ban Tha Ngiu, Nakhon Sawan (P.17)
Lat 15 - 56 - 02 N Long 99 - 58 - 50 E
Drainge Area
Amphoe
Banphot Phisai
Changwat
Nakhon Sawan
Ban
Tha Ngiu
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On right bank about 5.00 meters from the top staff gage
Elevation
Recording
Arithmetic mean of 24 readings
1954 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+37.900 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1960, 1967 - 1974, 1990 to date
-
1954 - 1979, 1990 to date
Fairly stable.
No overbank flow.
Records good. Flow effected by Phumiphol Dam.
Stage-discharge relation defined by 34 discharge measurements made in 2014.
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
34.57
34.68
35.20
34.85
34.86
35.10
35.12
34.68
34.51
34.66
34.62
34.88
2
34.56
34.69
35.17
34.87
34.80
35.14
35.33
34.70
34.50
34.68
34.65
34.89
3
34.56
34.78
35.10
34.92
34.76
35.16
35.23
34.71
34.51
34.64
34.64
34.88
4
34.54
34.77
35.15
34.97
34.64
35.19
35.13
34.73
34.55
34.64
34.70
34.89
5
34.59
34.80
35.12
34.91
34.59
35.52
35.03
34.74
34.56
34.59
34.73
34.88
6
34.66
34.87
35.16
34.87
34.64
35.57
34.95
34.72
34.56
34.58
34.74
34.87
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
34.79
34.99
35.21
34.78
34.65
35.55
34.90
34.78
34.54
34.58
34.75
34.88
8
34.75
35.08
35.23
34.77
34.65
35.56
34.90
34.88
34.55
34.61
34.85
34.85
9
34.71
35.13
35.28
34.74
34.78
35.54
34.85
35.10
34.60
34.62
34.80
34.86
10
34.67
35.17
35.24
34.70
34.82
35.41
34.80
35.16
34.58
34.59
34.68
34.85
11
34.65
35.19
35.24
34.65
34.80
35.27
34.75
35.13
34.59
34.65
34.73
34.81
12
34.57
35.16
35.21
34.60
34.75
35.22
34.72
35.20
34.61
34.68
34.91
34.84
13
34.62
35.13
35.18
34.50
34.70
35.17
34.70
35.14
34.64
34.68
34.92
34.82
14
34.60
35.14
35.11
34.50
34.68
35.09
34.71
35.04
34.63
34.69
34.92
34.85
15
34.60
35.10
35.09
34.63
34.71
35.04
34.66
34.94
34.63
34.71
34.90
34.81
16
34.67
35.08
35.06
34.79
34.70
34.94
34.60
34.86
34.62
34.79
34.85
34.82
17
34.70
35.07
35.05
34.88
34.68
34.87
34.50
34.79
34.61
34.84
34.83
34.82
18
34.73
35.11
35.18
34.89
34.65
34.82
34.40
34.75
34.59
34.83
34.82
34.81
19
34.74
35.15
35.14
34.81
34.64
34.72
34.37
34.70
34.56
34.75
34.82
34.81
20
34.76
35.04
35.14
34.75
34.65
34.67
34.32
34.63
34.56
34.73
34.85
34.79
21
34.73
34.98
35.09
34.61
34.65
34.60
34.36
34.58
34.56
34.74
34.85
34.80
22
34.75
34.95
35.02
34.54
34.69
34.50
34.47
34.55
34.58
34.73
34.85
34.83
23
34.75
34.94
35.02
34.51
34.76
34.35
34.52
34.54
34.62
34.67
34.89
34.81
24
34.76
34.94
34.95
34.57
34.75
34.35
34.56
34.54
34.63
34.67
34.87
34.82
25
34.75
34.97
35.01
34.47
34.71
34.41
34.71
34.55
34.64
34.65
34.86
34.85
26
34.68
35.01
35.01
34.54
34.73
34.60
34.84
34.53
34.65
34.67
34.84
34.86
27
34.61
35.19
34.96
34.65
34.79
35.04
35.02
34.53
34.64
34.63
34.83
34.90
28
34.62
35.15
34.96
34.90
34.85
35.09
35.01
34.55
34.66
34.61
34.85
34.93
29
34.66
35.21
34.94
35.13
34.93
34.96
34.93
34.57
34.63
34.64
34.92
30
34.64
35.14
34.91
35.08
35.01
34.92
34.80
34.55
34.62
34.62
34.91
31
35.16
34.98
35.10
34.71
34.60
34.61
34.90
----------
--------------
Mean
34.67
35.02
35.10
34.75
34.75
35.01
34.77
34.76
34.59
34.67
34.81
34.85
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Max
34.79
35.21
35.28
35.13
35.10
35.57
35.33
35.20
34.66
34.84
34.92
34.93
35.57
Min
34.54
34.68
34.91
34.47
34.59
34.35
34.32
34.53
34.50
34.58
34.62
34.79
34.32
35.60
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 30.51
m. (MSL.)
39.83
m. (MSL.) ,
39.80
m. (MSL.) ,
Drainage Area 45297 Square Kilometers
at 15.00 Hours , on Sep 5 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation