Basic HTML Version
312
Location : on right bank at the bridge on highway.
325
sq.km.
Amphoe
Ngao
Changwat
Lampang
Ban
Pong
WATER YEAR : 2012
YOM RIVER BASIN
Huai Pong at Ban Pong , Lampang (Y.30)
Lat 18 - 42 - 29 N Long 99 - 57 - 40 E
Drainge Area
Water - stage recorder
+265.630 m. (MSL.)
B.M.-H.D.
On right bank about 25 meters from the top staff gage.
Elevation
Recording
Arithmetic mean of 24 readings
1983 to date
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+271.053 m. (MSL.)
Type of Gage
Bench Mark
Location BM
Rating Operation
Period of Available Gage Records
1983 to date
-
1983 to date
Stable.
No overbank flow.
Records good. The carcass of the bridge is near the gage site.
Stage-discharge relation defined by 46 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
266.14
266.14
266.14
265.88
265.89
265.97
266.32
266.12
266.08
265.96
265.95
265.92
2
266.13
266.13
266.13
265.81
265.89
265.96
266.26
266.09
266.08
265.96
265.94
265.93
3
266.14
266.13
266.13
265.82
265.87
266.44
266.26
266.10
266.08
265.96
265.97
265.92
4
266.14
266.12
266.12
265.81
265.87
267.16
266.26
266.19
266.07
265.96
265.98
265.94
5
266.13
266.10
266.10
265.96
265.89
266.87
266.45
266.19
266.06
265.94
265.96
265.92
6
266.12
266.14
266.14
266.35
265.88
266.54
266.57
266.16
266.04
265.96
265.94
265.94
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7
266.12
266.38
266.38
266.05
265.88
266.96
266.58
266.13
266.03
265.96
265.93
265.97
8
266.13
266.27
266.27
265.97
265.86
266.90
266.38
266.12
266.01
265.95
265.91
265.94
9
266.15
266.19
266.19
265.98
265.92
266.68
266.30
266.11
266.00
265.95
265.91
265.92
10
266.12
266.14
266.14
266.02
265.92
266.67
266.24
266.11
265.99
265.94
265.91
265.93
11
266.08
266.09
266.09
265.97
265.91
266.63
266.22
266.11
265.96
265.93
265.91
265.92
12
266.05
266.06
266.06
265.91
265.93
266.50
266.21
266.11
265.95
265.93
265.92
265.91
13
266.05
266.01
266.01
265.87
265.92
266.44
266.22
266.10
265.96
265.94
265.93
265.92
14
266.09
266.00
266.00
265.86
265.88
266.45
266.22
266.20
265.97
265.93
265.92
265.91
15
266.07
266.01
266.01
265.85
265.86
267.66
266.21
266.18
265.98
265.94
265.93
265.91
16
266.05
265.99
265.99
265.86
266.00
266.66
266.18
266.14
265.99
265.94
265.93
265.91
17
266.02
266.01
266.01
265.84
265.93
266.54
266.17
266.12
265.98
265.94
265.93
265.91
18
265.98
266.03
266.03
265.86
265.90
266.43
266.16
266.11
265.97
265.93
265.92
265.92
19
266.04
266.03
266.03
265.85
266.23
266.37
266.15
266.08
265.96
265.94
265.92
265.92
20
266.17
266.09
266.09
265.87
266.03
266.37
266.14
266.07
265.95
265.93
265.93
265.92
21
266.14
266.07
266.07
265.87
266.11
266.39
266.13
266.07
265.94
265.94
265.92
265.92
22
266.14
266.07
266.07
265.86
266.04
266.30
266.13
266.09
265.96
265.94
265.92
265.93
23
266.13
266.05
266.05
265.85
265.96
266.28
266.14
266.07
265.96
265.94
265.91
265.92
24
266.15
266.05
266.05
265.99
265.96
266.26
266.19
266.05
265.95
265.94
265.93
265.92
25
266.15
266.09
266.09
265.97
266.21
266.24
266.17
266.08
265.96
265.94
265.92
265.91
26
266.14
266.14
266.14
265.95
266.53
266.21
266.18
266.07
265.96
265.94
265.93
265.90
27
266.12
266.18
266.18
265.94
266.18
266.25
266.18
266.10
265.97
265.93
265.92
265.91
28
266.12
266.24
266.24
265.91
266.11
266.29
266.16
266.11
265.96
265.94
265.91
265.90
29
266.13
266.35
266.35
265.90
266.10
266.33
266.15
266.13
265.96
265.93
265.90
30
266.14
266.14
266.14
265.89
266.06
266.35
266.14
266.11
265.96
265.92
265.89
31
266.07
265.89
266.02
266.12
265.96
265.95
265.89
----------
--------------
Mean
266.11
266.11
266.11
265.92
265.99
266.50
266.23
266.11
265.99
265.94
265.93
265.92
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
266.17
266.38
266.38
266.35
266.53
267.66
266.58
266.20
266.08
265.96
265.98
265.97
267.66
Min
265.98
265.99
265.99
265.81
265.86
265.96
266.12
266.05
265.94
265.92
265.91
265.89
265.81
268.22
m. (MSL.) ,
265.63
m. (MSL.) ,
River Bed 265.70
m. (MSL.)
273.90
m. (MSL.) ,
273.88
m. (MSL.) ,
Drainage Area 325 Square Kilometers
at 06.00 Hours , on Sep 15 , 2012
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation