Basic HTML Version
602
Location : on right bank at the bridge of Ban Cha Prong.
460
sq.km.
WATER YEAR : 2011
PHETCHABURI RIVER BASIN
Huai Mae Prachan at Ban Cha Prong , Phetchaburi (B.11)
Lat 13 - 10 - 23 N Long 99 - 41 - 00 E
Amphoe
Nong Ya Plong
Changwat
Phetchaburi
Ban
Cha Prong
Drainge Area
Water - stage recorder
+72.272 m. (MSL.)
B.M.-H.D.
On right bank about 45 meters from the top staff gage.
Elevation
Recording
Arithmetic means of 24 readings
2000 to date
+78.722 m. (MSL.)
Bench Mark
Type of Gage
Rating Operation
Period of Available Gage Records
Location BM
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
2000 to date
-
2000 to date
Rather unstable.
No overbank flow.
Records fair. Stage-discharge relation defined by 21 discharge measurements made in 2011.
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
71.91
72.05
72.15
71.97
71.91
72.30
71.91
71.89
71.86
71.87
71.88
72.07
2
71.92
72.05
72.37
71.97
71.91
72.30
71.91
71.89
71.86
71.87
71.88
72.07
3
71.92
72.06
72.54
71.97
71.90
72.30
71.92
71.88
71.86
71.87
71.88
72.07
4
71.92
72.06
72.57
71.98
71.90
72.35
71.98
71.88
71.86
71.87
71.88
72.07
5
71.91
72.06
72.61
71.99
71.90
72.37
71.94
71.88
71.86
71.87
71.88
72.07
6
71.98
72.19
72.63
71.98
71.90
72.37
71.94
71.87
71.86
71.87
71.88
72.07
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
72.03
72.15
72.64
71.97
71.89
72.29
72.00
71.87
71.85
71.87
71.88
72.06
8
72.04
72.12
72.71
71.97
71.89
72.22
71.96
71.87
71.84
71.86
71.89
72.06
9
72.05
72.12
72.77
71.96
71.89
72.14
71.94
71.87
71.84
71.86
72.11
72.06
10
72.05
72.12
72.78
71.93
71.89
72.10
72.01
71.87
71.84
71.86
72.13
72.06
11
72.05
72.12
72.76
71.93
71.89
71.97
72.13
71.87
71.84
71.86
72.13
72.06
12
72.05
72.12
72.76
71.93
71.89
71.97
72.20
71.87
71.84
71.86
72.13
72.06
13
72.05
72.12
72.74
71.91
71.89
71.94
72.58
71.86
71.84
71.86
72.13
72.06
14
72.05
72.12
72.74
71.90
71.89
71.92
72.77
71.86
71.84
71.86
72.13
72.05
15
72.05
72.16
72.73
71.89
71.91
71.92
72.80
71.85
71.84
71.86
72.10
72.04
16
72.05
72.26
72.72
71.89
71.90
71.91
72.80
71.84
71.84
71.86
72.07
72.04
17
72.05
72.44
72.71
71.89
71.90
71.91
72.76
71.84
71.91
71.85
72.07
72.04
18
72.05
72.51
72.63
71.89
71.90
71.91
72.49
71.84
71.87
71.85
72.04
72.04
19
72.05
72.41
72.22
71.89
71.96
71.91
72.41
71.84
71.89
72.15
71.91
72.04
20
72.05
72.31
72.02
71.89
72.27
71.90
72.46
71.84
71.87
72.38
71.91
72.04
21
72.05
72.16
72.01
71.89
72.27
71.90
72.46
71.84
71.87
72.32
71.90
72.04
22
72.05
72.15
71.99
71.89
72.27
71.90
72.46
71.84
71.87
72.28
71.90
72.04
23
72.05
72.15
71.99
71.89
72.27
71.90
72.45
71.84
71.87
72.15
71.95
72.04
24
72.05
72.15
71.99
71.89
72.28
71.90
72.46
71.84
71.87
72.08
72.07
72.04
25
72.05
72.14
71.98
71.89
72.29
71.93
72.46
71.85
71.87
72.10
72.07
72.04
26
72.05
72.12
71.98
71.89
72.29
71.98
72.41
71.87
71.87
72.08
72.07
72.04
27
72.05
72.12
71.98
71.89
72.29
71.96
72.31
71.86
71.87
71.90
72.07
72.04
28
72.05
72.12
71.98
71.89
72.29
71.93
72.22
71.86
71.87
71.89
72.07
72.04
29
72.05
72.12
71.97
71.89
72.30
71.92
72.01
72.00
71.87
71.88
72.07
72.04
30
72.05
72.13
71.97
71.89
72.30
71.92
71.95
71.86
71.87
71.88
72.04
31
72.15
71.89
72.30
71.91
71.87
71.88
72.03
----------
--------------
Mean
72.02
72.16
72.39
71.92
72.05
72.04
72.26
71.86
71.86
71.95
72.00
72.05
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Max
72.05
72.51
72.78
71.99
72.30
72.37
72.80
72.00
71.91
72.38
72.13
72.07
72.80
Min
71.91
72.05
71.97
71.89
71.89
71.90
71.91
71.84
71.84
71.85
71.88
72.03
71.84
72.81
m. (MSL.) ,
72.27
m. (MSL.) ,
River Bed 70.39
m. (MSL)
79.37
m. (MSL.) ,
79.11
m. (MSL.) ,
Drainage Area 460 Square Kilometers
at 11.00 Hours , on Oct 14 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation