Basic HTML Version
436
Location : on left bank at Ban San Chao Kai To.
1,386
sq.km.
WATER YEAR : 2011
SAKAE KRANG RIVER BASIN
Nam Mae Wong at Ban San Chao Kai To, Nakhon Sawan (Ct.4)
Lat 15 - 46 - 58 N Long 99 - 40 - 57 E
Drainge Area
Amphoe
Lat Yao
Changwat
Nakhon Sawan
Ban
San Chao Kai To
Staff gage.
+65.880 m. (MSL.)
B.M.- Highways Dept.
On left bank at the bridge
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
Arithmetic means 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
+72.250 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1987 to date
-
1987 to date
Fairly stable
No overbank flow.
Records good. Stage-discharge relation defined by 15 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
68.18
68.20
68.59
68.30
68.35
68.66
68.88
68.36
68.17
67.32
66.68
66.58
2
68.18
68.22
68.52
68.35
68.49
68.70
68.81
68.33
68.18
67.26
66.68
66.56
3
68.16
68.22
68.60
68.32
68.50
68.92
68.76
68.32
68.16
67.19
66.68
66.55
4
68.16
68.68
68.93
68.32
68.43
68.68
69.74
68.31
68.17
67.07
66.67
66.53
5
68.16
68.67
69.04
68.35
68.39
68.72
70.59
68.29
68.16
67.00
66.66
66.51
6
68.16
68.37
68.92
68.43
68.34
68.72
70.68
68.27
68.19
66.91
66.64
66.48
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
68.16
68.38
68.93
68.36
68.29
68.72
70.37
68.25
68.20
66.83
66.64
66.43
8
68.18
68.57
68.99
68.29
68.26
68.58
70.55
68.27
68.16
66.81
66.63
66.43
9
68.22
68.68
69.20
68.25
68.27
68.62
70.29
68.23
68.10
66.84
66.63
66.38
10
68.20
68.53
68.80
68.25
68.26
68.58
69.97
68.20
68.10
67.05
66.63
66.38
11
68.19
68.53
68.54
68.28
68.26
68.98
69.85
68.21
68.12
67.34
66.79
66.38
12
68.18
68.53
68.42
68.28
68.25
69.58
69.61
68.20
68.14
67.67
67.66
66.33
13
68.18
68.38
68.44
68.29
68.25
70.28
69.39
68.18
68.12
68.06
68.59
66.33
14
68.16
68.48
68.44
68.34
68.24
70.37
69.36
68.17
68.15
68.49
68.35
66.33
15
68.14
68.98
68.33
68.35
68.25
70.41
69.74
68.17
68.16
67.88
67.41
66.38
16
68.11
69.78
68.28
68.38
68.34
70.39
69.59
68.16
68.18
66.98
67.33
66.48
17
68.08
70.08
68.28
68.34
68.32
69.91
70.57
68.15
68.16
66.93
67.27
66.73
18
68.07
69.97
68.26
68.25
68.51
69.44
71.02
68.15
68.15
66.93
67.23
66.78
19
68.13
69.43
68.26
68.23
68.74
69.24
71.08
68.13
68.15
66.92
67.16
66.93
20
68.12
69.23
68.24
68.23
68.66
69.22
70.68
68.11
68.12
66.85
67.06
66.93
21
68.13
68.78
68.24
68.24
68.69
69.16
70.00
68.10
68.11
67.34
66.86
66.93
22
68.13
68.63
68.29
68.24
68.59
69.27
69.52
68.10
68.13
66.92
66.67
66.93
23
68.13
68.63
68.26
68.26
68.38
69.62
69.22
68.12
68.11
66.81
66.63
66.93
24
68.12
68.43
68.25
68.36
68.05
69.93
69.03
68.15
68.03
66.77
66.63
66.93
25
68.13
68.38
68.23
68.40
68.06
69.72
68.89
68.12
67.99
66.76
66.62
66.78
26
68.13
68.75
68.23
68.34
68.06
69.80
68.74
68.16
67.94
66.75
66.62
66.63
27
68.13
69.38
68.24
68.35
68.06
69.45
68.57
68.16
67.26
66.73
66.61
66.58
28
68.13
69.03
68.28
68.38
68.08
69.15
68.49
68.15
67.15
66.72
66.61
66.58
29
68.17
68.78
68.31
68.35
68.08
69.21
68.45
68.16
67.15
66.70
66.60
66.58
30
68.18
68.73
68.26
68.45
68.08
68.99
68.43
68.14
67.16
66.69
66.53
31
68.78
68.35
68.07
68.39
67.23
66.69
66.43
----------
--------------
Mean
68.15
68.78
68.49
68.32
68.31
69.30
69.59
68.19
67.98
67.07
66.94
66.59
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
68.22
70.08
69.20
68.45
68.74
70.41
71.08
68.36
68.20
68.49
68.59
66.93
71.08
Min
68.07
68.20
68.23
68.23
68.05
68.58
68.39
68.10
67.15
66.69
66.60
66.33
66.33
71.13
m. (MSL.) ,
65.88
m. (MSL.) ,
River Bed 65.89
m. (MSL)
72.18
m. (MSL.) ,
71.96
m. (MSL.) ,
Drainage Area 1386 Square Kilometers
at 08.00 Hours , on Oct 19 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation