APPENDIX II 
METEOROLOGICAL RECORDS 
BOTANIC GARDENS, SINGAPORE 1956 
Reading daily at 0200 hrs. G.M.T.=9.30 a.m. Local Time 
GARDEN OFFICE 
Month 
Total 
rainfall 
in. 
Highest 
fall in 
24 hrs. 
in. 
No. of 
days 
rainfall 
Average 
rainfall 
1914-1956 
in. 
Mean 
Max. 
Temp. 
°F 
Highest 
Max. 
Temp. 
°F 
Mean 
Min. 
Temp. 
°F 
Lowest 
Min. 
Temp. 
°F 
Mean 
Temp, 
dry bulb 
°F 
Mean 
Temp, 
wet bulb 
°F 
Mean 
Relative 
Humidity 
per cent 
January 
M.51 
3.55 
16 
11.64 
83.8 
88.5 
70.5 
70.2 
77.6 
74.4 
85.7 
February 
5.25 
1.22 
15 
7.59 
86.8 
90.0 
73.6 
71.0 
79.5 
75.8 
82.7 
March 
4.28 
1.12 
11 
8.56 
88.7 
91.8 
74.5 
72.0 
85.8 
77.3 
77.8 
April .. 
2.68 
0.63 
11 
8.32 
86.1 
92.8 
75.5 
73.0 
82.2 
77.8 
80.0 
May .. 
8.57 
4.10 
16 
7.38 
88.8 
92.0 
75.8 
71.5 
83.3 
77.5 
85.1 
June .. 
5.67 
2.45 
13 
6.51 
88.6 
92.0 
75.5 
73.5 
82.7 
77.9 
82.3 
t 
July .. 
13.82 
4.33 
18 
6.24 
86.8 
91.8 
73.9 
70.5 
78.4 
76.3 
86.8 
August 
8.90 
1.92 
23 
7.39 
87.3 
90.5 
74.1 
74.1 
80.1 
76.8 
85.6 
September 
12.05 
3.40 
19 
7.78 
84.1 
91.0 
74.5 
71.0 
77.0 
76.5 
85.6 
October 
4.82 
1.02 
20 
8.12 
86.4 
90.0 
74.7 
72.5 
77.8 
77.0 
85.4 
November 
19.30 
3.30 
21 
10.39 
84.6 
89.0 
74.2 
72.0 
78.9 
75.7 
85.6 
December 
8.32 
1.65 
18 
10.08 
1 
84.0 
80.2 
73.0 
70.5 
78.4 
74.4 
80.0 
Total or Mean .. 
105.17 
4.33 
201 
100.00 
86.3 
92.8 
74.1 
70.2 
80.1 
76.4 
83.5 
