Basic HTML Version
370
Location : on right bank about 1.8 kilometers downstream from Phrom Phiram Dam.
19,363 sq.km.
WATER YEAR : 2014
NAN RIVER BASIN
Nan River at Ban Nong Kham , Phitsanulok (N.27A)
Lat 17 - 01 - 46 N Long 100 - 11 - 00 E
Drainge Area
Amphoe
Phrom Phiram
Changwat
Phitsanulok
Ban
Nong Kham
Water - stage recorder
+38.430 m. (MSL.)
B.M.-H.D.
About 10 meters from the top staff gage.
Elevation
Recording
Arithmetic mean of 24 readings
1980 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+48.572 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1980 to date
-
1980 to date
Stable.
No overbank flow.
Records very good. Flow regulated by Naresuan Dam about 2 kilometers above gage site.
Stage-discharge relation defined by 31 discharge measurements made in 2014.
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
40.45
40.37
40.01
40.27
40.77
40.93
38.89
38.58
38.46
39.16
39.48
39.44
2
40.20
40.61
40.26
40.57
40.02
41.09
38.93
38.73
38.44
39.34
39.57
39.32
3
40.19
41.07
40.44
40.26
39.40
42.32
38.67
38.92
38.50
39.14
39.49
39.54
4
40.14
41.21
40.34
40.14
39.36
43.14
38.94
38.58
38.59
39.11
39.51
39.58
5
40.25
41.16
40.40
40.42
39.34
43.11
38.76
38.66
38.69
39.19
39.46
39.64
6
40.25
41.00
40.33
40.24
39.79
42.50
38.52
38.42
38.59
39.16
39.34
40.13
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
40.23
40.73
40.35
40.27
40.20
42.47
38.58
38.39
38.87
39.11
39.33
39.59
8
40.05
40.63
40.58
40.40
40.46
41.84
38.46
38.54
38.95
38.94
39.33
39.42
9
40.08
40.56
40.50
40.28
40.37
41.00
38.49
38.71
38.96
38.70
39.30
39.62
10
39.98
40.47
40.82
40.32
40.03
40.50
38.53
38.72
39.04
39.20
39.12
39.55
11
39.97
40.43
40.97
40.55
40.16
40.01
38.67
38.81
38.70
39.83
39.48
39.61
12
39.91
40.38
40.57
40.34
39.47
39.72
38.72
38.93
39.61
39.70
39.37
39.56
13
40.32
40.48
40.53
40.57
39.23
39.56
38.48
38.87
38.85
39.45
39.89
39.57
14
39.84
40.29
40.60
40.48
39.01
39.51
38.57
38.86
38.84
39.55
39.59
39.46
15
39.87
40.20
40.44
40.76
38.77
39.53
38.41
38.85
39.00
39.58
39.51
39.54
16
40.11
39.97
40.42
40.86
38.74
39.48
38.56
38.68
38.82
39.32
39.58
39.52
17
40.17
40.06
40.54
40.74
39.34
39.33
38.67
38.56
38.89
39.57
39.50
39.57
18
40.12
39.96
41.11
40.57
40.07
39.47
38.79
38.60
38.88
39.28
39.60
39.54
19
39.95
40.45
41.38
40.03
40.81
39.34
38.83
38.60
38.88
39.60
39.46
39.55
20
39.86
40.74
41.07
39.68
40.72
39.18
38.86
38.77
38.88
39.20
39.49
39.56
21
39.79
40.73
40.69
39.75
40.04
39.31
38.87
38.71
38.72
39.43
39.60
39.46
22
39.48
40.79
40.26
39.82
40.35
38.87
38.90
38.59
38.83
39.37
39.47
39.45
23
39.63
40.79
40.00
39.58
40.21
38.82
38.83
38.47
38.95
39.35
39.47
39.55
24
39.55
40.75
39.95
39.34
40.19
38.50
38.58
38.47
38.85
39.05
39.45
39.45
25
39.46
40.57
40.13
39.53
39.81
38.81
38.47
38.47
38.95
39.35
39.53
39.35
26
39.39
40.49
39.79
39.89
39.01
39.42
38.50
38.56
38.96
39.65
39.51
39.37
27
39.45
39.46
39.77
39.48
38.96
39.16
39.60
38.58
39.21
39.34
39.47
39.31
28
39.49
39.85
39.93
40.03
39.18
39.35
39.58
38.54
39.10
39.38
39.39
39.26
29
39.64
39.89
39.65
40.74
39.63
39.28
38.78
38.63
39.26
39.29
39.25
30
39.89
40.18
40.24
40.58
39.95
39.26
38.63
38.60
39.02
39.41
39.22
31
40.22
41.01
40.35
38.79
39.28
39.39
39.73
----------
--------------
Mean
39.92
40.47
40.40
40.24
39.80
40.16
38.74
38.65
38.89
39.33
39.47
39.51
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
40.45
41.21
41.38
41.01
40.81
43.14
39.60
38.93
39.61
39.83
39.89
40.13
43.14
Min
39.39
39.46
39.65
39.34
38.74
38.50
38.41
38.39
38.44
38.70
39.12
39.22
38.39
43.58
m. (MSL.) ,
38.43
m. (MSL.) ,
River Bed 34.49
m. (MSL.)
49.59
m. (MSL.) ,
49.18
m. (MSL.) ,
Drainage Area 19363 Square Kilometers
at 18.00 Hours , on Sep 4 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation