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442
Location : on left bank at Ban Khok Mo.
3,207
sq.km.
WATER YEAR : 2011
SAKAE KRANG RIVER BASIN
Huai Tak Dad at Ban Khok Mo, Uthai Thani (Ct.8)
Lat 15 - 29 - 50 N Long 99 - 56 - 28 E
Amphoe
Thap Than
Changwat
Uthai Thani
Ban
Khok Mo
Drainge Area
Staff gage
+0.000 m. (MSL.)
B.M.-H.D.
Near the sling pole
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours
Arithmetic means of 5 readings
1975 - 1978, 2008 to date
+34.250 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
1975 - 1978, 2008 to date
-
1975 - 1978, 2008 to date
Fairly stable.
Overbank flow starts at elevation +34.290 m.(MSL.), records are channel flow only.
Records good. Stage-discharge relation defined by 14 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
29.65
28.60
31.82
30.10
30.47
30.74
31.33
30.57
28.33
26.47
26.23
25.85
2
29.62
28.59
31.38
30.18
30.52
30.87
31.29
30.61
28.25
26.47
26.23
25.85
3
29.60
28.56
30.85
30.26
30.52
31.10
31.19
30.56
28.13
26.47
26.23
25.85
4
29.59
28.55
30.96
30.45
30.49
31.05
31.36
30.45
28.06
26.47
26.23
25.85
5
29.57
28.53
31.19
30.43
30.41
31.44
31.94
30.31
27.97
26.47
26.23
25.85
6
29.53
28.51
31.25
30.67
30.36
31.57
32.28
30.29
27.87
26.47
26.23
25.85
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
29.45
28.50
31.24
30.47
30.30
31.70
32.62
30.27
27.78
26.47
26.23
25.85
8
29.37
28.49
31.82
30.32
30.26
31.79
32.86
30.24
27.68
26.47
26.23
25.85
9
29.30
28.48
31.91
30.23
30.25
31.55
32.67
30.22
27.57
26.47
26.23
25.85
10
29.23
28.47
31.75
30.19
30.27
31.57
32.31
30.21
27.47
26.47
26.23
25.85
11
29.16
28.43
31.24
30.19
30.28
32.32
31.90
30.15
27.36
26.47
26.23
25.85
12
29.11
28.37
30.77
30.31
30.30
32.98
31.59
30.09
27.29
26.47
26.23
25.85
13
29.05
28.33
30.57
30.52
30.43
33.52
31.35
30.02
27.24
26.47
26.23
25.85
14
28.96
28.29
30.28
30.69
30.49
33.85
31.25
29.90
27.20
26.47
26.23
25.85
15
28.87
28.44
30.29
31.00
30.48
34.08
31.59
29.75
27.12
26.47
26.23
25.85
16
28.79
30.58
30.27
31.37
30.76
34.47
31.75
29.58
27.02
26.47
26.23
25.85
17
28.74
31.20
30.24
31.39
30.80
34.12
32.28
29.38
26.93
26.47
26.23
25.85
18
28.68
31.47
30.23
31.15
30.92
33.46
33.05
29.12
26.85
26.47
26.23
25.85
19
28.61
31.40
30.18
30.82
31.05
32.15
33.35
28.85
26.74
26.47
26.23
25.85
20
28.59
31.17
30.18
30.61
31.16
31.85
33.43
28.64
26.68
26.47
26.23
25.85
21
28.53
30.93
30.18
30.45
31.15
30.16
33.18
28.57
26.66
26.47
26.23
25.85
22
28.47
30.79
30.17
30.46
31.22
32.00
32.22
28.54
26.62
26.47
26.23
25.85
23
28.53
30.54
30.17
30.47
31.05
32.53
31.49
28.50
26.51
26.47
26.23
25.85
24
28.63
30.40
30.14
30.48
30.79
32.77
31.17
28.50
26.47
26.47
26.23
25.85
25
28.63
30.23
30.14
30.88
30.57
32.79
30.92
28.52
26.47
26.47
26.23
25.85
26
28.60
30.86
30.09
31.09
30.48
32.67
30.72
28.46
26.47
26.47
26.23
25.85
27
28.57
32.13
30.02
31.07
30.44
32.25
30.75
28.40
26.47
26.47
26.23
25.85
28
28.55
32.20
30.01
30.85
30.30
31.76
30.73
28.38
26.47
26.47
26.23
25.85
29
28.54
31.79
30.03
30.60
30.34
31.66
30.66
28.35
26.47
26.47
26.23
25.85
30
28.60
32.13
30.06
30.48
30.81
31.43
30.69
28.36
26.47
26.47
25.85
31
32.27
30.43
30.83
30.69
26.47
26.47
25.85
----------
--------------
Mean
28.97
29.91
30.65
30.60
30.60
32.21
31.76
29.46
27.13
26.47
26.23
25.85
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
29.65
32.27
31.91
31.39
31.22
34.47
33.43
30.61
28.33
26.47
26.23
25.85
34.47
Min
28.47
28.29
30.01
30.10
30.25
30.16
30.66
28.35
26.47
26.47
26.23
25.85
25.85
34.53
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 25.50
m. (MSL)
34.28
m. (MSL.) ,
34.28
m. (MSL.) ,
Drainage Area 3207 Square Kilometers
at 16.00 Hours , on Sep 16 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation