108
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WATER YEAR : 2013
CHI RIVER BASIN
Lam Chao at Ban Wang Taku , Chaiyaphum (E.73)
Lat 15 - 56 - 59 N Long 101 - 26 - 44 E
Locat on : on e t an at Ban Wang Ta u, Tam on Ban C ang.
251
sq.km.
Staff gage
+247.240 m. (MSL.)
B.M.- H.D.
On left bank about 2 meters from the top staff gage.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Drainge Area
Amphoe
Phak Di Chumphon
Changwat
Chaiyaphum
Ban
Wang Taku
Gage Reading Frequency
Zero Gage at Bottom
+254.832 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 3 readings
1984 to date
1987 to date
-
1987 to date
Fairly stable.
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 good. The local weir situated about 4 kilometers downstream from the gage site.
Stage-discharge relation defined by 29 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
248.99
248.58
249.54
249.49
249.70
249.69
250.66
249.68
249.63
249.51
249.42
249.10
2
248.95
248.58
249.52
249.46
249.69
249.66
251.03
249.68
249.63
249.51
249.40
249.09
3
248.76
248.57
249.50
249.43
249.66
249.64
253.05
249.68
249.63
249.50
249.39
249.08
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
248.73
248.56
249.48
249.44
249.64
249.63
251.26
249.67
249.62
249.49
249.38
249.07
5
248.73
249.08
249.47
249.49
249.63
249.63
250.27
249.67
249.62
249.49
249.37
249.06
6
248.71
249.51
249.58
249.59
249.62
249.67
249.98
249.67
249.62
249.50
249.36
249.05
7
248.70
249.52
249.65
250.04
249.61
249.65
249.85
249.68
249.62
249.51
249.35
249.04
8
248.69
249.49
249.63
249.77
249.63
249.74
249.79
249.68
249.62
249.52
249.34
249.03
9
248.68
249.48
249.60
249.65
250.12
250.05
249.75
249.67
249.61
249.54
249.32
249.03
10
248.66
249.46
249.57
249.66
249.84
249.98
249.73
249.67
249.61
249.55
249.31
249.01
11
248.65
249.44
249.55
249.67
249.87
249.86
249.73
249.67
249.61
249.56
249.30
249.00
12
248 64
249 42
249 53
249 70
249 78
249 85
249 72
249 67
249 61
249 56
249 29
248 99
.
.
.
.
.
.
.
.
.
.
.
.
13
248.62
249.39
249.57
249.66
249.69
249.91
249.73
249.66
249.61
249.56
249.27
248.98
14
248.62
249.38
249.73
249.64
249.66
250.06
249.73
249.66
249.61
249.56
249.26
248.96
15
248.61
249.36
249.64
249.61
249.64
250.65
249.73
249.66
249.61
249.56
249.25
248.96
16
248.61
249.34
249.62
249.60
249.63
250.09
249.72
249.66
249.61
249.56
249.24
248.95
17
248.60
249.31
249.60
249.59
249.63
250.30
249.81
249.66
249.61
249.56
249.23
248.95
18
248.60
249.33
249.59
249.57
249.62
249.96
250.65
249.65
249.61
249.55
249.22
248.94
19
248.59
249.43
249.56
249.54
249.61
249.81
251.33
249.65
249.60
249.54
249.21
248.93
20
248.58
249.50
249.53
249.50
249.61
250.12
250.63
249.65
249.60
249.53
249.20
248.92
21
248.57
249.52
249.51
249.48
249.62
251.42
250.01
249.65
249.59
249.52
249.18
248.91
22
248.56
249.51
249.49
249.46
249.62
254.13
249.84
249.65
249.59
249.51
249.17
248.94
23
248.57
249.50
249.49
249.46
249.62
253.95
249.76
249.64
249.58
249.50
249.17
248.90
24
248.57
249.46
249.48
249.59
249.62
251.43
249.73
249.64
249.57
249.49
249.16
248.89
25
248.57
249.45
249.49
249.65
249.62
250.34
249.72
249.64
249.56
249.48
249.15
248.89
26
248.57
249.47
249.55
249.64
249.62
250.58
249.71
249.64
249.55
249.47
249.13
248.88
27
248.60
249.45
249.57
249.62
249.62
252.03
249.72
249.64
249.54
249.46
249.11
248.87
28
248.60
249.44
249.56
249.63
249.61
252.80
249.71
249.64
249.53
249.45
249.11
248.86
29
248.60
249.42
249.54
249.63
249.60
251.94
249.70
249.64
249.53
249.44
248.85
30
248.59
249.43
249.52
249.67
249.65
250.99
249.69
249.64
249.52
249.44
248.84
31
249.56
249.73
249.79
249.69
249.52
249.44
248.84
----------
--------------
Mean
248.65
249.32
249.56
249.60
249.67
250.59
250.11
249.66
249.59
249.51
249.26
248.96
Max
248.99
249.56
249.73
250.04
250.12
254.13
253.05
249.68
249.63
249.56
249.42
249.10
254.13
Min
248.56
248.56
249.47
249.43
249.60
249.63
249.69
249.64
249.52
249.44
249.11
248.84
248.56
255.37
m. (MSL.) ,
247.24
m. (MSL.) ,
River Bed 247.59
m. (MSL.)
258.32
m. (MSL.) ,
256.33
m. (MSL.) ,
Drainage Area 251 Square Kilometers
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at 17.00 Hours, on Sep 23, 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation