Basic HTML Version
334
i
l f b k h b id
WATER YEAR : 2013
YOM RIVER BASIN
Nam Khuan at Ban Pa Kha , Phayao (Y.36)
Lat 19 - 09 - 24 N Long 100 - 19 - 36 E
Locat on : on e t an at t e r ge.
853
sq.km.
Staff gage
+298.586 m. (MSL.)
B.M.-H.D.
On left bank about 20 meters from the abutment of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Drainge Area
Amphoe
Pong
Changwat
Phayao
Ban
Pa Kha
Gage Reading Frequency
Zero Gage at Bottom
+307.764 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Arithmetic mean of 3 readings
1998 to date
1998 to date
-
1998 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 fair. Flow effected by the islet at the gage site.
Stage-discharge relation defined by 34 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
300.48
300.36
300.30
300.29
301.37
301.00
300.91
300.61
300.40
300.36
300.39
300.41
2
300.47
300.40
300.31
300.30
300.85
300.88
300.93
300.61
300.40
300.36
300.39
300.41
3
300.47
300.53
300.33
300.31
300.77
300.77
300.94
300.60
300.40
300.36
300.38
300.40
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
300.47
300.57
300.34
300.33
300.74
300.74
300.97
300.60
300.39
300.35
300.38
300.40
5
300.47
300.56
300.33
300.33
300.72
300.71
301.02
300.60
300.39
300.35
300.38
300.40
6
300.47
300.53
300.33
300.33
300.69
301.38
301.07
300.59
300.39
300.35
300.37
300.40
7
300.47
300.50
300.32
300.33
300.74
301.36
300.97
300.61
300.39
300.35
300.37
300.40
8
300.47
300.49
300.32
300.33
300.89
301.08
300.87
300.60
300.39
300.34
300.37
300.39
9
300.46
300.49
300.32
300.34
300.82
301.11
300.84
300.59
300.38
300.34
300.36
300.39
10
300.42
300.49
300.31
300.32
300.95
300.97
300.83
300.59
300.38
300.34
300.36
300.39
11
300.39
300.46
300.54
300.35
301.46
301.17
300.80
300.57
300.37
300.34
300.38
300.38
12
300 39
300 41
300 44
300 40
301 27
301 24
300 76
300 51
300 37
300 38
300 42
300 37
.
.
.
.
.
.
.
.
.
.
.
.
13
300.39
300.34
300.37
300.44
301.19
301.29
300.73
300.45
300.36
300.41
300.46
300.36
14
300.39
300.28
300.36
300.46
301.05
301.26
300.69
300.42
300.36
300.44
300.46
300.36
15
300.39
300.27
300.36
300.52
300.92
301.47
300.68
300.38
300.44
300.44
300.45
300.36
16
300.39
300.28
300.35
300.57
300.85
301.76
300.67
300.33
300.50
300.44
300.44
300.35
17
300.39
300.32
300.35
300.65
300.80
301.43
300.66
300.32
300.44
300.43
300.43
300.35
18
300.39
300.37
300.34
300.62
300.77
301.26
300.68
300.30
300.42
300.43
300.43
300.35
19
300.39
300.39
300.33
300.60
300.75
301.16
300.69
300.29
300.41
300.43
300.43
300.34
20
300.39
300.39
300.33
300.59
300.74
301.05
300.67
300.29
300.41
300.42
300.43
300.34
21
300.38
300.38
300.32
300.54
300.71
301.02
300.66
300.30
300.41
300.42
300.42
300.34
22
300.38
300.38
300.32
300.47
300.69
301.09
300.66
300.34
300.40
300.41
300.42
300.36
23
300.38
300.37
300.31
300.41
300.94
301.14
300.65
300.35
300.40
300.41
300.42
300.35
24
300.38
300.35
300.31
300.48
300.95
301.06
300.64
300.34
300.39
300.41
300.42
300.35
25
300.37
300.32
300.30
300.46
301.40
301.19
300.72
300.35
300.39
300.40
300.42
300.35
26
300.37
300.31
300.29
300.47
300.98
301.01
300.68
300.36
300.39
300.40
300.41
300.34
27
300.37
300.31
300.28
300.51
300.92
300.99
300.66
300.37
300.38
300.40
300.41
300.34
28
300.36
300.30
300.27
300.54
300.89
300.96
300.65
300.38
300.38
300.40
300.41
300.34
29
300.36
300.30
300.27
300.68
300.85
300.95
300.64
300.41
300.37
300.39
300.34
30
300.36
300.29
300.27
301.21
300.80
300.93
300.64
300.40
300.37
300.39
300.33
31
300.29
300.77
301.02
300.62
300.36
300.39
300.33
----------
--------------
Mean
300.41
300.39
300.33
300.48
300.92
301.11
300.76
300.45
300.39
300.39
300.41
300.37
Max
300.48
300.57
300.54
301.21
301.46
301.76
301.07
300.61
300.50
300.44
300.46
300.41
301.76
Min
300.36
300.27
300.27
300.29
300.69
300.71
300.62
300.29
300.36
300.34
300.36
300.33
300.27
301.92
m. (MSL.) ,
298.59
m. (MSL.) ,
River Bed 298.89
m. (MSL.)
307.38
m. (MSL.) ,
307.40
m. (MSL.) ,
Drainage Area 853 Square Kilometers
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
at 06.00 Hours , on Sep 16, 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation