616
Location : on right bank at the bridge of Phet Kasem Highway near the guidepost 342, Huai Sai.
25
sq.km.
WATER YEAR : 2014
WEST COAST - GULF BASIN
Huai Sai at Ban Suan Son Huai Sai , Prachuap Khiri Khan (Gt.15)
Lat 11 - 40 - 33 N Long 99 - 41 - 44 E
Drainge Area
Amphoe
Mueang
Changwat
Prachuap Khiri Khan
Ban
Suan Son Huai Sai
Staff gage
+15.860 m. (MSL.)
B.M.-H.D.
On right bank at the footpath of the bridge.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic mean of 5 readings
1987 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+22.383 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1987 to date
-
1987 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 25 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
15.58
15.56
15.56
15.56
15.56
15.64
15.58
15.85
15.87
15.74
15.64
15.61
2
15.58
15.56
15.56
15.56
15.56
15.63
15.61
15.83
15.86
15.74
15.64
15.61
3
15.58
15.56
15.56
15.56
15.56
15.63
15.59
15.85
15.86
15.73
15.63
15.61
4
15.58
15.56
15.56
15.56
15.56
15.62
15.64
15.89
15.85
15.73
15.63
15.61
5
15.58
15.56
15.56
15.56
15.56
15.62
15.75
15.86
15.85
15.73
15.63
15.61
6
15.58
15.56
15.56
15.56
15.56
15.61
15.78
15.83
15.84
15.73
15.62
15.61
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
15.58
15.56
15.56
15.56
15.56
15.61
15.78
15.82
15.84
15.72
15.62
15.61
8
15.58
15.56
15.56
15.56
15.56
15.61
15.75
15.81
15.84
15.72
15.62
15.61
9
15.58
15.56
15.56
15.56
15.56
15.60
15.82
15.80
15.83
15.72
15.62
15.61
10
15.58
15.56
15.56
15.56
15.56
15.60
15.77
16.02
15.83
15.72
15.62
15.61
11
15.58
15.56
15.56
15.56
15.56
15.59
15.76
16.21
15.83
15.71
15.62
15.60
12
15.57
15.56
15.56
15.56
15.56
15.59
15.80
16.12
15.82
15.71
15.61
15.60
13
15.57
15.56
15.56
15.56
15.56
15.58
15.85
16.08
15.82
15.71
15.61
15.60
14
15.56
15.56
15.56
15.56
15.56
15.57
16.42
16.04
15.81
15.70
15.61
15.60
15
15.56
15.56
15.56
15.56
15.56
15.56
16.01
16.01
15.81
15.70
15.61
15.60
16
15.55
15.56
15.56
15.56
15.56
15.56
15.92
15.98
15.80
15.70
15.61
15.60
17
15.55
15.56
15.56
15.56
15.56
15.56
15.84
15.97
15.80
15.69
15.61
15.60
18
15.55
15.56
15.56
15.56
15.59
15.56
15.84
15.96
15.79
15.69
15.61
15.60
19
15.54
15.56
15.56
15.56
15.58
15.56
15.97
15.95
15.78
15.69
15.61
15.60
20
15.54
15.56
15.56
15.56
15.62
15.56
15.91
15.94
15.77
15.68
15.61
15.60
21
15.53
15.56
15.56
15.56
15.60
15.56
15.87
15.93
15.77
15.68
15.61
15.60
22
15.53
15.56
15.56
15.56
15.60
15.56
15.86
15.92
15.77
15.68
15.61
15.60
23
15.53
15.56
15.56
15.56
15.61
15.56
15.86
15.92
15.76
15.67
15.61
15.60
24
15.52
15.56
15.56
15.56
15.61
15.56
15.83
15.91
15.76
15.67
15.61
15.60
25
15.52
15.56
15.56
15.56
15.61
15.56
15.86
15.91
15.76
15.67
15.61
15.60
26
15.52
15.56
15.56
15.56
15.62
15.56
15.88
15.90
15.76
15.66
15.61
15.60
27
15.52
15.56
15.56
15.56
15.62
15.56
15.91
15.89
15.75
15.66
15.61
15.60
28
15.52
15.56
15.56
15.56
15.63
15.56
15.89
15.88
15.75
15.66
15.61
15.60
29
15.52
15.56
15.56
15.56
15.64
15.56
15.88
15.87
15.75
15.65
15.60
30
15.52
15.56
15.56
15.56
15.65
15.56
15.87
15.86
15.75
15.65
15.60
31
15.56
15.56
15.65
15.86
15.75
15.65
15.60
----------
--------------
Mean
15.55
15.56
15.56
15.56
15.59
15.58
15.84
15.93
15.80
15.70
15.62
15.60
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
15.58
15.56
15.56
15.56
15.65
15.64
16.42
16.21
15.87
15.74
15.64
15.61
16.42
Min
15.52
15.56
15.56
15.56
15.56
15.56
15.58
15.80
15.75
15.65
15.61
15.60
15.52
16.83
m. (MSL.) ,
15.86
m. (MSL.) ,
River Bed 15.34
m. (MSL.)
21.18
m. (MSL.) ,
21.24
m. (MSL.) ,
Drainage Area
25
Square Kilometers
at 09.00 Hours , on Oct 14, 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation