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WATER YEAR : 2013
Nan RIVER BASIN
Nan River at Wat Luang Pho Kaeo , Nakhon Sawan (N.14A)
Lat 15 - 53 - 44 N Long 100 - 18 - 42 E
Locat on : on r g t an n ront o Wat Luang P o Kaeo a out 1 ometer upstream rom Stat on N.14
32,826 sq.km.
Staff gage.
+0.000 m. (MSL.)
B.M.-H.D.
On right bank in front of automatic gage building.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+32.155 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Chum Saeng
Changwat
Nakhon Sawan
Ban
Wat Luang Pho Kaeo
Arithmetic mean of 3 readings
1971 to date
1973 - 1979, 1991 to date
-
1972 - 1980, 1991 to date
Fairly stable.
No overbank flow
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Records good. Flow effected by Naresuan Dam.
Stage-discharge relation defined by 47 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
20.72
20.69
20.79
21.75
22.50
23.00
28.63
26.97
20.92
21.30
21.47
21.20
2
20.67
20.64
20.71
21.45
22.72
22.93
28.69
26.76
20.80
21.39
21.45
21.19
3
20.70
20.70
20.62
21.30
22.79
23.13
28.71
26.62
20.63
21.49
21.40
21.19
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
20.99
20.82
20.57
21.00
22.84
23.78
28.68
26.40
20.73
21.46
21.40
21.17
5
21.00
21.19
20.55
20.73
22.79
24.15
28.68
26.11
20.73
21.45
21.38
21.20
6
21.00
21.71
20.67
20.76
22.60
24.11
28.66
25.79
20.82
21.47
21.38
21.27
7
21.00
21.81
20.98
20.84
22.26
23.91
28.68
25.29
21.06
21.40
21.37
21.31
8
21.00
21.92
21.27
20.84
21.99
23.72
28.60
24.91
21.46
21.30
21.36
21.22
9
20.99
22.00
21.49
21.13
21.81
23.57
28.47
24.50
21.81
21.33
21.30
20.98
10
20.98
22.08
21.42
21.85
21.80
23.71
28.34
24.29
21.78
21.32
21.26
20.69
11
20.86
21.96
21.25
22.49
21.97
23.93
28.06
23.98
21.64
21.27
21.21
20.60
12
20 86
21 78
21 29
22 95
22 47
24 01
27 76
23 73
21 50
21 19
21 15
20 55
.
.
.
.
.
.
.
.
.
.
.
.
13
20.86
21.71
21.45
23.44
23.46
24.29
27.52
23.47
21.24
21.00
21.15
20.56
14
20.86
21.48
21.69
23.67
24.56
24.62
27.34
23.29
21.00
20.99
21.15
20.61
15
20.85
21.28
22.31
23.63
25.25
24.85
27.18
22.90
20.91
20.95
21.15
20.65
16
20.83
21.23
22.74
23.30
25.42
25.08
26.94
22.70
20.83
20.96
21.15
20.69
17
20.84
21.45
22.74
22.81
25.50
25.50
26.62
22.40
20.85
21.07
21.15
20.67
18
20.85
21.59
22.46
22.26
25.50
26.07
26.40
22.40
21.07
21.14
21.15
20.64
19
20.83
21.50
22.05
21.75
25.47
26.43
26.30
22.55
21.30
20.94
21.15
20.59
20
20.83
21.43
21.87
21.66
25.33
26.55
26.30
22.57
21.14
20.86
21.24
20.55
21
20.88
21.43
21.72
21.57
24.99
26.71
26.36
22.33
20.93
20.79
21.17
20.55
22
20.96
21.43
21.86
21.48
24.30
26.87
26.55
21.79
20.79
20.78
21.11
20.55
23
20.96
21.47
22.68
21.28
23.73
27.20
26.63
21.60
21.07
20.89
21.13
20.56
24
20.94
21.46
22.87
21.18
23.60
27.66
26.66
21.53
21.24
21.00
21.12
20.58
25
21.02
21.30
22.98
21.12
23.66
27.83
26.63
21.41
21.55
20.99
21.11
20.58
26
21.20
21.15
22.83
21.21
24.10
27.84
26.74
21.17
21.58
21.10
21.09
20.61
27
21.17
20.90
22.66
21.60
24.58
27.93
26.99
21.00
21.45
21.19
21.08
20.64
28
21.00
20.93
22.54
21.82
24.42
28.15
27.26
21.00
21.32
21.32
21.14
20.70
29
20.88
20.90
22.41
22.10
23.93
28.30
27.31
20.93
21.30
21.44
20.78
30
20.77
20.97
22.14
22.31
23.55
28.53
27.27
20.95
21.29
21.44
20.87
31
20.89
22.41
23.00
27.15
21.29
21.44
21.00
----------
--------------
Mean
20.91
21.35
21.79
21.86
23.64
25.48
27.49
23.38
21.16
21.18
21.23
20.80
Max
21.20
22.08
22.98
23.67
25.50
28.53
28.71
26.97
21.81
21.49
21.47
21.31
28.71
Min
20.67
20.64
20.55
20.73
21.80
22.93
26.30
20.93
20.63
20.78
21.08
20.55
20.55
28.71
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 15.47
m. (MSL.)
29.84
m. (MSL.) ,
32.10
m. (MSL.) ,
Drainage Area 32826 Square Kilometers
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at 06.00 Hours , on Oct 3 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation