92
Location : on left bank about 3 kilometers downstream from Lam Pao Damsite.
6,013
sq.km.
WATER YEAR : 2011
CHI RIVER BASIN
Lam Pao at Ban Nong Muang , Kalasin (E.75)
Lat 16 - 34 - 36 N Long 103 - 26 - 35 E
Drainge Area
Amphoe
Mueang
Changwat
Kalasin
Ban
Nong Muang
Staff gage
+138.018 m. (MSL.)
B.M.- H.D.
On left bank in front of gage observer's house.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic means of 3 readings
1987 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+149.762 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1987 to date
-
1987 to date
Fairly stable.
No overbank flow.
Records fair. Flow regulated by Lam Pao Dam.
Stage-discharge relation defined by 28 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
138.36
138.22
138.42
138.09
139.87
137.72
143.78
138.47
139.47
139.37
138.91
139.23
2
138.36
138.18
138.05
138.08
140.19
137.82
143.57
138.47
139.47
139.37
138.91
139.21
3
138.36
138.40
137.87
138.13
140.48
137.91
143.86
138.44
139.47
139.38
138.90
139.12
4
138.36
138.45
137.94
138.13
140.78
137.92
144.09
138.31
139.47
139.38
138.89
139.12
5
138.36
138.70
137.97
138.10
140.72
138.11
144.12
138.27
139.47
139.37
138.89
139.12
6
138.34
138.76
137.91
138.08
140.29
138.48
144.10
138.27
139.47
139.33
138.76
139.11
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
138.34
139.04
137.94
138.05
140.09
139.03
144.06
138.27
139.25
139.33
138.28
139.09
8
138.34
139.14
138.05
138.05
139.93
139.19
143.88
138.27
139.30
139.32
138.26
139.09
9
138.42
139.12
137.99
138.05
139.78
139.02
143.49
138.27
139.34
139.32
138.35
139.07
10
138.40
139.14
137.97
138.07
139.44
139.28
142.75
138.44
139.42
139.32
138.39
139.07
11
138.30
139.14
137.97
138.05
139.27
139.68
142.24
138.47
139.42
139.56
138.13
139.03
12
138.08
139.13
137.97
138.05
139.16
139.59
141.13
138.47
139.42
139.97
138.12
138.97
13
138.12
139.11
137.97
138.05
138.98
139.37
140.96
138.49
139.42
139.61
138.20
138.86
14
138.12
139.12
137.97
138.05
138.70
139.58
140.91
138.47
139.42
139.37
138.64
138.82
15
138.22
139.12
137.97
138.05
138.59
140.44
140.87
138.47
139.53
139.37
139.17
138.77
16
138.22
139.11
137.97
138.05
138.56
140.39
140.87
138.47
139.57
139.37
139.38
138.53
17
138.22
139.12
137.97
138.05
138.42
139.60
141.07
138.66
139.57
139.40
139.38
138.52
18
138.22
139.16
137.97
138.05
138.37
139.77
141.17
138.87
139.50
139.41
139.29
138.49
19
138.25
139.17
137.97
138.05
138.41
140.05
141.09
139.02
139.50
139.41
139.30
138.49
20
138.29
139.16
137.97
138.05
138.47
140.19
140.07
139.42
139.44
139.46
139.30
138.33
21
138.31
139.12
138.00
138.06
138.50
140.61
139.05
139.47
139.42
139.54
139.30
138.09
22
138.32
139.12
138.02
138.19
138.60
141.40
138.69
139.47
139.42
139.53
139.29
138.07
23
138.32
139.09
138.01
138.26
138.80
142.52
138.59
139.47
139.42
139.47
139.27
138.06
24
138.18
139.07
138.05
138.25
138.93
143.24
138.57
139.49
139.42
139.16
139.29
138.06
25
138.32
139.09
138.06
138.61
138.87
143.39
138.54
139.56
139.42
138.91
139.32
138.06
26
138.47
139.09
138.06
138.94
138.94
143.46
138.52
139.65
139.41
138.88
139.32
137.97
27
138.48
139.09
138.08
139.09
139.02
143.56
138.48
139.62
139.41
138.89
139.28
137.97
28
138.48
139.08
138.12
139.28
138.74
144.11
138.47
139.55
139.42
138.91
139.22
137.92
29
138.48
139.07
138.11
139.46
138.60
144.14
138.47
139.49
139.42
138.91
139.22
137.92
30
138.22
138.07
138.12
139.47
138.53
143.84
138.47
139.43
139.42
138.91
137.92
31
138.47
139.47
138.17
138.47
139.42
138.91
137.92
----------
--------------
Mean
138.31
138.93
138.01
138.34
139.17
140.45
141.05
138.85
139.44
139.30
138.93
138.58
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
138.48
139.17
138.42
139.47
140.78
144.14
144.12
139.65
139.57
139.97
139.38
139.23
144.14
Min
138.08
138.07
137.87
138.05
138.17
137.72
138.47
138.27
139.25
138.88
138.12
137.92
137.72
144.19
m. (MSL.) ,
138.02
m. (MSL.) ,
River Bed 137.38
m. (MSL)
149.43
m. (MSL.) ,
150.36
m. (MSL.) ,
Drainage Area 6013 Square Kilometers
at 16.00 Hours, on Sep 28, 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation