Page 694 - Slide 1

660
Location : on right bank at the bridge.
116 sq.km.
WATER YEAR : 2012
THALE SAP SONGKHLA
Khlong Wa at Ban Khlong Wa , Songkhla (X.174)
Lat 06 - 59 - 42 N Long 100 - 29 - 05 E
Drainge Area
Amphoe Hat Yai Changwat Songkhla Ban Khlong Wa
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On right bank at the abutment of the bridge. Elevation
Recording
Arithmetic mean of 24 readings
1989 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+10.954 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1989 to date
-
1989 to date
Stable.
No overbank flow.
Records good. Stage-discharge relation defined by 23 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
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1 5.25 5.40 5.21 5.17 5.13 5.10 5.15 5.14 5.33 5.62 5.19 5.38
2 5.26 5.37 5.22 5.16 5.13 5.10 5.12 5.14 5.32 5.53 5.19 5.35
3 5.25 5.35 5.20 5.16 5.13 5.09 5.11 5.15 5.32 5.64 5.19 5.30
4 5.26 5.33 5.20 5.16 5.13 5.09 5.11 5.21 5.29 5.73 5.19 5.29
5 5.25 5.32 5.20 5.16 5.13 5.09 5.10 5.26 5.25 5.60 5.19 5.26
6 5.25 5.34 5.19 5.16 5.13 5.09 5.10 5.25 5.22 5.54 5.19 5.25
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7 5.25 5.34 5.35 5.16 5.13 5.09 5.10 5.23 5.20 5.49 5.19 5.24
8 5.24 5.36 5.40 5.16 5.13 5.09 5.10 5.19 5.20 5.46 5.19 5.24
9 5.23 5.35 5.34 5.16 5.13 5.10 5.10 5.19 5.18 5.41 5.19 5.24
10 5.22 5.35 5.29 5.16 5.13 5.10 5.10 5.21 5.17 5.40 5.19 5.24
11 5.22 5.35 5.26 5.16 5.13 5.11 5.09 5.22 5.17 5.40 5.19 5.24
12 5.24 5.33 5.24 5.16 5.13 5.10 5.09 5.24 5.17 5.38 5.19 5.24
13 5.23 5.32 5.23 5.16 5.13 5.10 5.08 5.25 5.19 5.36 5.19 5.24
14 5.22 5.30 5.23 5.15 5.13 5.11 5.09 5.24 5.26 5.32 5.19 5.24
15 5.21 5.29 5.22 5.15 5.13 5.12 5.10 5.22 5.46 5.28 5.19 5.24
16 5.22 5.28 5.22 5.15 5.13 5.10 5.10 5.21 5.61 5.28 5.18 5.24
17 5.24 5.27 5.21 5.14 5.13 5.10 5.10 5.20 5.48 5.28 5.18 5.23
18 5.32 5.26 5.20 5.13 5.11 5.10 5.15 5.17 5.52 5.27 5.17 5.22
19 5.61 5.25 5.18 5.13 5.08 5.10 5.17 5.14 5.47 5.27 5.17 5.21
20 5.52 5.26 5.18 5.13 5.08 5.10 5.16 5.14 5.50 5.26 5.17 5.20
21 5.55 5.26 5.18 5.15 5.08 5.08 5.15 5.13 5.60 5.25 5.16 5.20
22 5.45 5.25 5.18 5.15 5.08 5.09 5.16 5.12 5.60 5.25 5.16 5.19
23 5.42 5.24 5.17 5.16 5.10 5.10 5.19 5.10 5.60 5.25 5.23 5.19
24 5.47 5.24 5.17 5.16 5.10 5.10 5.17 5.09 5.59 5.25 5.26 5.18
25 5.43 5.23 5.17 5.16 5.10 5.10 5.26 5.18 5.53 5.25 5.48 5.18
26 5.41 5.23 5.17 5.16 5.10 5.11 5.28 5.20 5.55 5.25 5.54 5.17
27 5.39 5.22 5.17 5.16 5.10 5.13 5.29 5.20 5.56 5.23 5.59 5.17
28 5.37 5.22 5.17 5.16 5.10 5.13 5.25 5.27 5.50 5.22 5.44 5.16
29 5.36 5.23 5.16 5.16 5.10 5.15 5.21 5.43 5.50 5.20 5.10
30 5.42 5.22 5.16 5.15 5.10 5.18 5.20 5.37 5.52 5.20 5.03
31 5.21 5.13 5.10 5.14 5.59 5.19 5.02
---------- --------------
Mean 5.33 5.29 5.22 5.15 5.11 5.11 5.15 5.2 5.4 5.36 5.24 5.22
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Max 5.61 5.4 5.4 5.17 5.13 5.18 5.29 5.43 5.61 5.73 5.59 5.38 5.73
Min 5.21 5.21 5.16 5.13 5.08 5.08 5.08 5.09 5.17 5.19 5.16 5.02 5.02
5.78 m. (MSL.) ,
0.00 m. (MSL.) , River Bed 3.74 m. (MSL.)
11.40 m. (MSL.) ,
11.32 m. (MSL.) , Drainage Area 116 Square Kilometers
at 22.00 Hours , on Apr 18 , 2012 Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation