meteorological report 
Appendix tv 
1964 
January 
February 
March 
April . . 
May . . 
June . . 
July . . 
August 
September 
October 
November 
December 
Total 
Mean 
BOTANIC GARDENS, SINGAPORE, 1964 
Reading daily at 8.00 a.m. local time at Bukit Timah from 1-1-64 to 31-12-64 
Altitude: 580 ft. a.s.l. 
Total 
Rainfall 
Highest 
fall in 
24 hrs. 
No. of 
days 
rainfall 
Mean 
Max. 
Temp. 
Highest 
Max. 
Temp. 
Mean 
Min. 
Temp. 
Lowest 
Min. 
Temp. 
Mean 
Temp. 
Dry Bulb 
Mean 
Temp. 
Wet Bulb 
R.H. 
inches 
8.37 
16.81 
9.12 
9.37 
5.37 
7.59 
14.24 
5.71 
9.33 
15.27 
6.67 
15.94 
inches 
1.53 
3.44 
3.44 
2.38 
1.15 
2.18 
3.20 
2.18 
1.50 
3.44 
2.18 
3.90 
14 
19 
14 
18 
11 
11 
15 
7 
11 
19 
12 
18 
°F 
84.5 
83.1 
85.9 
86.4 
86.2 
85.1 
84.1 
86.5 
85.0 
84.6 
85.3 
83.5 
°F 
87.6 
87.5 
88.9 
89.0 
89.0 
87.8 
87.7 
89.0 
88.0 
89.0 
89.0 
88.0 
°F 
73.0 
73.1 
73.6 
74.4 
75.4 
74.7 
74.0 
75.8 
74.4 
73.4 
73.2 
72.8 
°F 
70.6 
71.0 
72.0 
72.0 
72.0 
71.5 
70.0 
71.0 
71.0 
68.5 
69.2 
67.9 
°F 
75.7 
75.3 
76.7 
77.8 
77.9 
77.4 
76.9 
78.6 
77.6 
77.1 
76.4 
75.6 
°F 
73.8 
73.6 
74.9 
75.8 
76.1 
75.4 
74.9 
76.4 
75.5 
75.1 
74.5 
73.2 
% 
91.1 
92.0 
91.9 
90.7 
91.8 
90.4 
91.1 
90.6 
90.3 
91.0 
91.1 
93.0 
123.88 
3.90 
169 

•• 
85.0 
(29.4C) 
88.3 
(30.7°C) 
72.9 
(22.4 C) 
70.6 
(21.4°C) 
76.9 
(24.9°C) 
74.9 
(23.8 C) 
91.2 
