on 
APPENDIX III 
METEOROLOGICAL RECORDS 
BOTANIC GARDENS, SINGAPORE 1957 
Reading daily at 0200 hrs. G.M.T.=9.30 a.m. Local Time 
GARDENS OFFICE 
Month 
Total 
rainfall 
in. 
Highest 
fall in 
24 hrs. 
in. 
No. of 
days 
rainfall 
Average 
rainfall 
1914-57 
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 
Relati ve 
Humidity 
per cent 
January 
4.81 
1.85 
14 
11.48 
86.4 
89.0 
73.1 
70.5 
78.9 
74.6 
80.4 
February 
4.09 
1.08 
9 
7.51 
88.0 
90.5 
73.1 
70.5 
79.4 
75.1 
80.8 
March 
6.98 
1.07 
13 
8.52 
88.5 
93.0 
74.4 
72.5 
81.0 
76.6 
81.2 
April 
3.91 
1.40 
10 
8.22 
90.3 „ 
93.0 
75.6 
73.5 
82.5 
77.7 
79.8 
May .. 
12.20 
4.30 
18 
7.49 
89.7 
92.5 
75.8 
73.0 
82.1 
78.4 
84.1 
June .. 
2.92 
0.60 
11 
6.43 
87.8 
92.0 
77.0 
72.5 
82.1 
78.2 
83.5 
July .. 
8.98 
3.24 
17 
6.30 
88.9 
92.0 
75.0 
71.5 
80.9 
77.4 
83.3 
August 
4.65 
1.82 
16 
7.33 
86.8 
92.0 
75.4 
72.5 
80.6 
77.0 
85.0 
September 
10.27 
3.50 
18 
7.83 
86.2 
91.2 
74.9 
70.5 
80.5 
77.0 
84.7 
October 
2.33 
0.51 
16 
7.98 
88.1 
91.0 
75.1 
72.5 
81.8 
77.5 
79.5 
November 
6.45 
1.66 
22 
10.30 
88.8 
92.5 
74.5 
71.5 
85.8 
77.6 
80.6 
December 
11.40 
1.66 
25 
10.11 
85.2 
90.5 
74.1 
71.5 
79.0 
76.5 
89.3 
Total or Mean 
78.99 
22.69 
189 
99.50 
87.9 
91.6 
74.8 
71.9 
81.1 
77.0 
82.7 
