Basic HTML Version
372
Location : on left bank at the bridge of Nakhon Thai - Chat Trakan Road , Tambon Pa Daeng.
971
sq.km.
WATER YEAR : 2012
NAN RIVER BASIN
Nam Phak at Ban Tha Sakae , Phitsanulok (N.55)
Lat 17 - 15 - 06 N Long 100 - 37 - 53 E
Amphoe
Chat Trakan
Changwat
Phitsanulok
Ban
Tha Sakae
Drainge Area
Staff gage
+182.830 m. (MSL.)
B.M.-H.D.
On left bank about 13 meters from the top staff gage.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic mean of 5 readings
1983 to date
+191.446 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
1994 to date
-
1994 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 21 discharge measurements made in 2012.
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
183.34
183.35
184.05
183.62
184.11
185.54
184.31
183.78
183.72
183.42
183.46
183.28
2
183.33
183.32
183.81
183.56
183.98
185.08
184.29
183.76
183.64
183.41
183.47
183.28
3
183.32
183.32
183.94
183.55
183.87
185.16
185.14
183.77
183.77
183.42
183.46
183.29
4
183.33
183.33
183.77
183.55
183.84
186.56
184.72
183.78
183.59
183.41
183.45
183.49
5
183.33
183.33
183.92
183.53
183.86
186.56
184.51
183.73
183.50
183.42
183.41
183.52
6
183.34
183.39
183.77
183.55
183.83
186.15
185.19
183.77
183.61
183.42
183.40
183.51
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
183.33
183.73
183.72
183.61
183.78
185.42
184.81
183.77
183.58
183.42
183.39
183.36
8
183.33
184.31
183.87
183.72
183.76
185.43
184.58
183.78
183.57
183.42
183.39
183.38
9
183.58
184.59
184.00
183.76
184.70
185.99
184.39
183.82
183.55
183.42
183.38
183.33
10
183.46
183.80
184.16
183.72
186.84
186.64
184.31
183.75
183.54
183.38
183.37
183.32
11
183.43
183.55
183.85
183.78
187.23
187.31
184.25
183.72
183.53
183.40
183.37
183.31
12
183.42
183.47
183.69
183.78
186.99
186.59
184.21
183.73
183.51
183.41
183.37
183.29
13
183.38
183.44
183.68
183.68
185.79
185.99
184.20
183.80
183.51
183.41
183.35
183.30
14
183.36
183.38
183.75
183.63
185.39
186.04
184.47
183.78
183.53
183.40
183.35
183.28
15
183.34
183.37
183.64
183.60
185.40
185.88
184.65
183.75
183.52
183.40
183.34
183.28
16
183.35
183.38
183.57
183.78
185.37
185.40
184.29
183.68
183.50
183.40
183.34
183.31
17
183.33
183.55
183.53
183.59
184.38
185.12
184.20
183.69
183.48
183.39
183.33
183.28
18
183.35
183.37
183.95
183.55
184.25
184.98
184.24
183.72
183.49
183.39
183.32
183.29
19
183.33
183.62
183.84
183.56
184.15
184.84
184.11
183.68
183.48
183.39
183.32
183.27
20
183.33
184.51
183.63
183.53
184.06
184.80
184.00
183.63
183.47
183.38
183.32
183.27
21
183.33
183.81
183.57
183.61
184.58
184.97
184.00
183.68
183.45
183.37
183.33
183.34
22
183.33
183.67
183.53
183.60
184.38
184.83
184.25
183.65
183.45
183.37
183.34
183.28
23
183.32
183.54
183.60
183.58
184.30
185.04
184.22
183.64
183.44
183.37
183.33
183.28
24
183.32
183.52
183.58
183.59
184.12
184.67
183.97
183.81
183.44
183.37
183.36
183.27
25
183.31
183.49
183.56
184.00
184.13
184.52
183.91
183.75
183.44
183.38
183.35
183.28
26
183.31
183.48
183.54
186.06
186.56
185.45
183.91
183.69
183.43
183.37
183.34
183.28
27
183.31
183.89
183.54
185.69
186.61
184.96
183.88
183.65
183.45
183.38
183.33
183.29
28
183.32
184.08
183.52
184.95
187.32
184.61
183.86
183.75
183.43
183.43
183.32
183.30
29
183.35
183.97
183.51
184.54
188.18
184.46
183.78
183.83
183.41
183.48
183.31
30
183.40
183.97
183.58
184.36
187.50
184.34
183.79
183.89
183.44
183.46
183.30
31
184.10
184.28
186.96
183.78
183.43
183.45
183.27
----------
--------------
Mean
183.35
183.67
183.72
183.90
185.17
185.44
184.27
183.74
183.51
183.40
183.37
183.32
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Max
183.58
184.59
184.16
186.06
188.18
187.31
185.19
183.89
183.77
183.48
183.47
183.52
188.18
Min
183.31
183.32
183.51
183.53
183.76
184.34
183.78
183.63
183.41
183.37
183.32
183.27
183.27
188.29
m. (MSL.) ,
182.83
m. (MSL.) ,
River Bed 183.12
m. (MSL.)
190.27
m. (MSL.) ,
190.27
m. (MSL.) ,
Drainage Area 971 Square Kilometers
at 06.00 Hours , on Aug 29 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation