APPENDIX IV 
METEOROLOGICAL REPORT 
Summit Bukit Timah, Altitude 581 Feet 
Reading daily at 8.00 a.m. local time August to December, 1961, only 
1961 
Total 
Rainfall 
Highest 
fall in 
24 hrs. 
No. of 
days 
Rainfall 
Mean 
Max. 
Temp. 
Highest 
Max. 
Temp. 
Mean 
Min. 
Temp. 
Lowest 
kMin. 
Temp. 
Mean 
Temp. 
Dry Bulb 
Mean 
Temp. 
Wet Bulb 
! Mean 
Relative 
| Humidity 
ins. 
ins. 
¥ 
°F 
°F 
‘F 
°F 
F 
% 
August 
2.43 
1.08 
4 
85.2 
89.3 
74.0 
65.0 
77.2 
75.1 
90.3 
September 
8.65 
1.78 
13 
86.2 
89.2 
74.4 
71.5 
78.0 
75.5 
88.4 
October 
3.03 
0.51 
12 
85.9 
89.9 
74.5 
70.3 
77.8 
74.8 
86.3 
November 
15.26 
2.60 
19 
74.7 
88.2 
72.9 
69.1 
76.9 
74.7 
88.9 
December 
8.75 
1.87 
20 

83.1 
8&.5 
, 
72.3 
70.1 
75.5 
74.0 
93.7 
Total/Mean . . 
38.12 
68 
83.0 
89.0 
75.6 
67.2 
77.1 
74.8 
89 5 
— 
(28.3°C) 
(31.7 C) 
(24.2°C) 
(19.6 C) 
(25. 1°C) 
(23.8°C) 
