Page 636 - Slide 1

Basic HTML Version

600
Location : on left bank at Ban Song Phi Nong.
2,220
sq.km.
Drainge Area
WATER YEAR : 2014
PHETCHABURI RIVER BASIN
Phetchaburi River at Ban Song Phi Nong , Phetchaburi (B.3A)
Lat 12 - 51 - 47 N Long 99 - 40 - 42 E
Amphoe
Kaeng Krachan
Changwat
Phetchaburi
Ban
Song Phi Nong
Water - stage recorder
+40.998 m. (MSL.)
B.M.-H.D.
On left bank about 24 meters from the top staff gage.
Elevation
Recording
Arithmetic mean of 24 readings
1930 - 1942 , 1954 to date
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+50.534 m. (MSL.)
Bench Mark
Type of Gage
1954 - 1959 , 1968 to date
-
1954 - 1959 , 1968 to date
Stable.
No overbank flow.
Records good. Flow regulated by Kaeng Krachan Reservoir.
Stage-discharge relation defined by 26 discharge measurements made in 2014.
Period of Rating
Rated by Flot
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
42.65
43.08
42.74
41.83
42.61
42.67
42.78
42.23
42.23
42.07
42.02
42.08
2
42.55
43.08
42.72
41.82
42.62
42.68
42.79
42.22
42.38
42.07
42.02
42.01
3
42.47
43.08
42.72
41.82
42.69
42.74
42.81
42.24
42.38
42.07
42.01
42.01
4
42.90
43.08
42.71
42.01
42.69
42.40
42.91
42.63
42.39
42.07
42.02
42.01
5
42.90
43.09
42.58
42.21
42.71
42.32
42.98
42.48
42.39
42.07
42.02
42.01
6
42.91
43.08
42.57
42.13
42.77
42.30
42.73
42.22
42.36
42.07
42.01
42.01
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Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
42.90
43.11
42.69
42.13
42.77
42.30
41.97
42.21
42.22
42.11
42.02
42.01
8
42.91
43.06
42.57
42.09
42.77
42.35
41.91
42.21
42.21
42.41
42.02
42.01
9
42.91
42.85
42.57
42.17
42.76
42.39
41.66
42.21
42.12
42.41
42.02
42.01
10
42.92
42.85
42.10
42.12
42.78
41.99
41.58
42.35
42.08
42.41
42.13
42.12
11
42.95
42.85
42.02
42.01
42.77
42.57
41.57
42.85
42.08
42.41
42.46
42.29
12
43.15
42.85
42.19
41.99
42.78
42.78
41.68
43.11
42.08
42.33
42.47
42.29
13
43.16
42.85
42.20
41.98
42.78
42.38
41.58
43.22
42.08
41.90
42.48
42.29
14
43.07
42.85
42.20
41.99
42.79
42.33
41.68
42.92
42.08
41.89
42.48
42.30
15
42.94
42.86
42.21
41.99
42.79
42.21
41.69
42.64
42.08
41.88
42.48
42.29
16
42.94
42.85
41.91
41.99
42.80
41.97
41.69
42.64
41.79
41.89
42.06
42.31
17
42.94
42.84
42.08
41.99
42.80
41.96
41.65
42.63
41.83
42.01
41.58
42.41
18
42.93
42.73
42.06
42.29
42.82
41.96
41.92
42.63
41.77
42.04
41.58
42.39
19
42.91
42.72
42.01
42.00
42.82
42.05
41.94
42.64
41.91
41.99
41.82
42.18
20
42.90
42.72
42.17
41.99
42.85
42.33
41.94
42.64
41.93
41.77
42.15
42.04
21
43.18
42.72
42.53
41.99
42.83
42.25
42.23
42.63
41.93
41.58
42.00
42.06
22
43.28
42.72
42.17
42.15
42.84
42.29
42.70
42.64
41.78
41.63
41.99
42.04
23
43.30
42.72
41.68
42.32
42.84
42.39
42.73
42.65
41.76
42.43
41.99
42.04
24
43.32
42.73
42.04
42.32
42.84
42.63
42.69
42.66
41.87
42.14
42.00
42.05
25
43.31
42.71
42.02
42.33
42.85
42.63
42.28
42.60
41.93
42.21
42.00
42.05
26
43.30
42.73
41.84
42.32
42.87
42.62
42.26
42.37
41.92
42.18
42.00
42.05
27
43.30
42.72
41.83
42.33
42.86
42.64
41.74
42.37
41.92
42.17
42.00
42.05
28
43.30
42.73
41.91
42.33
42.85
42.64
42.18
42.34
41.92
42.38
42.11
42.05
29
43.29
42.72
41.92
42.34
42.73
42.64
42.15
42.20
42.01
41.73
42.06
30
43.11
42.73
41.84
42.34
42.73
42.66
42.49
42.21
42.11
42.37
42.05
31
42.72
42.59
42.74
42.23
42.08
42.02
42.06
----------
--------------
Mean
43.02
42.85
42.23
42.13
42.78
42.40
42.17
42.52
42.05
42.09
42.07
42.12
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Max
43.32
43.11
42.74
42.59
42.87
42.78
42.98
43.22
42.39
42.43
42.48
42.41
43.32
Min
42.47
42.71
41.68
41.82
42.61
41.96
41.57
42.20
41.76
41.58
41.58
42.01
41.57
43.40
m. (MSL.) ,
41.00
m. (MSL.) ,
River Bed 40.83
m. (MSL.)
48.87
m. (MSL.) ,
48.84
m. (MSL.) ,
Drainage Area 2220 Square Kilometers
at 18.00 Hours , on Apr 24 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation