Basic HTML Version
58
Location : on right bank at Ban Nong Phum.
2,614
sq.km.
WATER YEAR : 2012
NAM MAE KOK RIVER BASIN
Nam Mae Lao at Ban Nong Phum , Chiang Rai (G.10)
Lat 19 - 39 - 21 N Long 99 - 32 - 50 E
Amphoe
Mae Suai
Changwat
Chiang Rai
Ban
Nong Phum
Drainge Area
Staff gage
+433.473 m. (MSL.)
B.M.-H.D.
On right bank at the abutment of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic mean of 3 readings
2003 to date
+439.133 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
2003 to date
-
2003 to date
Fairly stable.
No overbank flow.
Records fair. Stage-discharge relation defined by 43 discharge measurements made in 2012.
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
433.83
433.87
433.92
433.72
433.83
434.01
434.42
433.90
433.88
433.61
433.90
433.61
2
433.83
433.87
433.92
433.75
433.79
434.00
434.42
433.90
433.87
433.62
433.81
433.60
3
433.82
433.86
433.90
433.78
433.88
434.37
434.58
433.91
433.97
433.65
433.79
433.62
4
433.82
433.82
433.83
433.78
433.89
434.65
434.50
433.95
434.01
433.63
433.87
433.77
5
433.88
433.81
433.80
433.82
433.81
435.31
434.44
434.08
433.91
433.64
433.89
433.84
6
434.02
434.06
433.77
433.93
433.82
434.96
434.55
434.14
433.87
433.62
433.72
433.76
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
434.03
434.63
433.88
434.08
433.82
434.43
434.94
434.05
433.83
433.62
433.71
433.77
8
434.07
434.74
433.81
433.98
433.82
434.68
434.97
434.07
433.81
433.61
433.65
433.71
9
434.09
434.37
433.77
434.02
433.94
435.14
434.49
433.96
433.81
433.61
433.65
433.80
10
434.06
434.18
433.76
434.06
434.11
435.27
434.28
433.93
433.81
433.61
433.65
433.76
11
433.99
434.02
433.80
434.01
434.44
435.35
434.17
433.91
433.78
433.61
433.64
433.70
12
433.93
433.95
433.77
433.95
434.25
434.81
434.12
433.89
433.75
433.61
433.63
433.66
13
433.93
433.91
433.76
433.93
433.91
434.72
434.12
433.96
433.75
433.63
433.63
433.70
14
433.93
433.83
433.72
433.93
433.86
435.17
434.19
434.04
433.75
433.66
433.62
433.71
15
433.87
433.78
433.66
433.96
433.83
435.27
434.24
434.10
433.75
433.69
433.62
433.68
16
433.85
433.77
433.62
433.91
433.82
434.95
434.22
434.00
433.73
433.71
433.61
433.65
17
433.85
433.75
433.61
433.84
433.82
434.60
434.22
433.94
433.71
433.71
433.61
433.63
18
433.83
433.74
433.60
433.89
433.84
434.71
434.22
433.93
433.70
433.71
433.61
433.61
19
433.83
433.72
433.59
433.95
434.04
434.30
434.26
433.93
433.70
433.71
433.60
433.61
20
433.82
433.71
433.60
433.96
434.08
434.23
434.25
433.93
433.68
433.71
433.60
433.61
21
433.83
433.71
433.62
433.89
434.01
434.35
434.17
433.87
433.67
433.71
433.62
433.63
22
433.83
433.76
433.62
433.86
433.98
434.39
434.07
433.92
433.67
433.67
433.65
433.60
23
433.83
433.73
433.62
433.92
434.05
434.41
434.00
433.92
433.66
433.67
433.65
433.60
24
433.81
433.78
433.62
434.15
434.17
434.36
433.95
433.91
433.65
433.67
433.61
433.60
25
433.80
433.82
433.63
434.12
434.26
434.40
433.92
433.91
433.65
433.67
433.59
433.60
26
433.80
433.84
433.64
434.05
434.37
434.50
433.90
433.90
433.63
433.64
433.59
433.60
27
433.77
433.87
433.64
434.03
434.36
434.32
433.90
433.92
433.63
433.64
433.59
433.61
28
433.77
433.93
433.68
434.03
434.18
434.29
433.90
433.93
433.62
433.64
433.61
433.60
29
433.77
433.83
433.65
434.02
434.12
434.36
433.87
433.92
433.62
433.66
433.61
30
433.82
433.85
433.67
433.96
434.04
434.40
433.86
433.92
433.61
433.70
433.61
31
433.94
433.91
434.04
433.85
433.61
433.92
433.63
----------
--------------
Mean
433.88
433.92
433.72
433.94
434.01
434.62
434.23
433.95
433.74
433.66
433.67
433.66
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Max
434.09
434.74
433.92
434.15
434.44
435.35
434.97
434.14
434.01
433.92
433.90
433.84
435.35
Min
433.77
433.71
433.59
433.72
433.79
434.00
433.85
433.87
433.61
433.61
433.59
433.60
433.59
435.43
m. (MSL.) ,
433.47
m. (MSL.) ,
River Bed 432.14
m. (MSL)
438.97
m. (MSL.) ,
438.95
m. (MSL.) ,
Drainage Area 2614 Square Kilometers
at 06.00 Hours , on Sep 15 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation