Basic HTML Version
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WATER YEAR : 2013
NAN RIVER BASIN
Khwae Noi River at Ban Nong Krathao , Phitsanulok (N.36)
Lat 17 - 04 - 59 N Long 100 - 49 - 44 E
Locat on : on e t an a out 50 meters upstream rom t e r ge a ong Lom Sa - Na on T a Roa , Tam on Nong Krat ao.
1,710
sq.km.
Staff gage
+191.880 m. (MSL.)
B.M.-H.D.
On left bank along the measuring line.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
+200.293 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Nakhon Thai
Changwat
Phitsanulok
Ban
Nong Krathao
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 5 readings
1967 to date
1971 - 1979 , 1993 to date
-
1971 - 1979 , 1993 to date
Fairly stable because of backwater effect.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records fair. Stage-discharge relation defined by 17 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
193.41
193.52
193.64
194.19
197.48
198.92
198.92
194.60
193.62
193.64
193.55
193.50
2
193.40
193.51
193.63
193.97
196.67
198.87
198.42
194.51
193.62
193.64
193.55
193.49
3
193.40
193.50
193.54
193.75
195.88
198.31
198.54
194.34
193.61
193.63
193.53
193.49
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
193.40
193.61
193.70
194.08
195.51
197.81
198.81
194.20
193.69
193.62
193.52
193.50
5
193.40
193.67
194.47
194.67
195.08
196.98
198.00
194.16
193.67
193.61
193.55
193.50
6
193.40
193.68
197.01
194.71
194.68
196.30
197.28
194.07
193.68
193.59
193.53
193.50
7
193.40
193.69
198.08
194.56
194.30
196.33
196.70
194.02
193.71
193.58
193.53
193.49
8
193.40
193.84
196.90
195.50
197.71
196.83
196.17
193.98
193.68
193.58
193.54
193.49
9
193.40
193.76
195.55
196.41
197.68
197.04
195.84
193.97
193.70
193.58
193.55
193.48
10
193.40
193.67
194.01
195.83
197.93
196.99
195.53
193.97
193.70
193.57
193.55
193.48
11
193.39
193.73
193.71
196.08
198.70
197.00
195.38
193.95
193.70
193.56
193.54
193.49
12
193 41
193 63
194 10
196 33
198 85
197 02
195 25
193 95
193 71
193 55
193 54
193 56
.
.
.
.
.
.
.
.
.
.
.
.
13
193.41
193.57
193.79
196.05
198.92
197.22
196.40
194.02
193.71
193.54
193.55
193.56
14
193.41
193.54
194.10
195.12
198.42
197.65
195.77
193.94
193.70
193.54
193.55
193.53
15
193.41
193.50
195.24
194.95
197.90
198.88
195.25
194.00
193.70
193.53
193.55
193.55
16
193.40
193.52
194.31
195.01
197.46
199.38
194.85
193.87
193.75
193.53
193.56
193.61
17
193.40
193.51
195.73
194.61
197.71
199.25
194.91
193.83
194.36
193.53
193.56
193.60
18
193.43
193.51
195.80
194.68
197.63
198.88
195.44
193.82
193.88
193.52
193.55
193.60
19
193.43
193.54
194.40
194.35
196.52
198.70
195.37
193.81
193.71
193.52
193.56
193.59
20
193.48
193.53
196.14
194.37
195.76
198.26
195.43
193.78
193.70
193.52
193.54
193.58
21
193.53
193.58
196.34
194.85
195.46
197.70
195.10
193.76
193.69
193.51
193.54
193.65
22
193.56
193.74
195.79
194.66
196.28
197.74
194.84
193.79
193.68
193.55
193.55
193.66
23
193.62
193.72
194.98
194.12
198.74
197.80
194.64
193.78
193.67
193.54
193.54
193.68
24
193.62
193.78
194.23
194.64
199.26
197.35
195.58
193.77
193.65
193.57
193.56
193.67
25
193.61
193.73
195.53
196.93
198.87
197.15
195.45
193.78
193.64
193.56
193.55
193.66
26
193.66
193.73
195.56
196.79
198.87
197.36
195.50
193.78
193.65
193.56
193.54
193.65
27
193.65
193.70
195.18
195.74
198.69
198.64
194.86
193.78
193.64
193.55
193.53
193.66
28
193.63
193.58
195.15
195.13
198.35
199.12
194.62
193.96
193.64
193.54
193.55
193.68
29
193.63
193.55
195.15
196.62
198.07
199.27
194.49
193.99
193.65
193.53
193.64
30
193.53
193.70
194.72
197.90
197.91
199.03
194.42
193.72
193.65
193.51
193.62
31
193.66
197.87
197.91
194.39
193.64
193.51
193.61
----------
--------------
Mean
193.47
193.63
195.02
195.31
197.39
197.93
195.88
193.96
193.70
193.56
193.55
193.57
Max
193.66
193.84
198.08
197.90
199.26
199.38
198.92
194.60
194.36
193.64
193.56
193.68
199.38
Min
193.39
193.50
193.54
193.75
194.30
196.30
194.39
193.72
193.61
193.51
193.52
193.48
193.39
199.42
m. (MSL.) ,
191.88
m. (MSL.) ,
River Bed 190.74
m. (MSL.)
202.23
m. (MSL.) ,
202.25
m. (MSL.) ,
Drainage Area 1710 Square Kilometers
at 12.00 Hours , on Sep 17 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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