APPENDIX II 
METEOROLOGICAL RECORDS 
BOTANIC GARDENS, SINGAPORE 1957 
Reading daily at 8 a.m. Local Time 
ORCHID ENCLOSURE FROM 1-1-57 
Month 
5‘ Total Rainfall 
-■ Highest Fall in 
■ 24 hrs. 
No. of days 
Rainfall 
o Mean Max. 
T Temp. 
o Highest Max. 
T Temp. 
o Mean Min. 
^ Temp. 
o Lowest Min. 
Tl Temp. 
o Mean Temp. 
T Dry bulb 
if 
. •+-> 
2 
°F 
T3 
” Mean Relative 
8 Humidity 
1-+“ 
o Mean Min, 
Grass Temp. 
o Mean Earth 
T Temp. 4" 
^ - 
Oj . 
m g. 
c £ 
S 
°F 
0 Mean Earth 
Tl Temp. 4' 
& Mean Daily hrs. 
f" Sunshine 
o Mean Solar 
^ Radiation 
January 
4.61 
1.62 
14 
86.7 
89.5 
71.8 
69.8 
74.0 
73.4 
96.3 
69.6 
79.3 
81.9 
82.5 
4.32 
141.4 
February 
4.17 
2.31 
8 
88.0 
90.2 
71.8 
69.5 
73.9 
73.2 
96.8 
69.5 
80.0 
82.2 
83.0 
5.60 
144.3 
March 
7.71 
1.07 
14 
88.0 
91.5 
73.4 
71.5 
75.5 
74.9 
96.4 
71.4 
80.3 
83.0 
83.8 
4.56 
141.7 
April 
3.64 
1.54 
10 
89.3 
93.0 
74.5 
73.0 
77.1 
76.2 
96.0 
71.4 
82.3 
84.1 
84.1 
5.09 
145.4 
May 
12.21 
4.28 
17 
86.7 
90.5 
74.8 
73.0 
78.4 
77.4 
94.9 
71.6 
81.7 
80.7 
84.1 
3.59 
141.4 
June 
2.65 
0.75 
10 
87.6 
91.0 
76.2 
72.5 
78.2 
77.1 
94.9 
74.7 
82.8 
84.2 
84.2 
4.55 
140.5 
July 
8.53 
3.26 
17 
87.7 
90.5 
74.0 
70.8 
76.9 
75.9 
95.5 
73.3 
80.3 
83.0 
84.3 
4.35 
139.4 
August 
4.60 
1.00 
15 
86.0 
90.0 
73.9 
71.5 
76.6 
75.7 
96.3 
73.6 
80.8 
83.3 
83.7 
4.55 
137.1 
September .. 
9.29 
1.08 
18 
85.9 
89.0 
73.9 
69.5 
79.9 
76.0 
95.7 
73.6 
81.0 
82.9 
83.6 
3.87 
135.7 
October 
2.22 
0.62 
15 
86.9 
90.0 
73.7 
72.0 
76.8 
75.7 
94.9 
73.3 
81.9 
83.9 
83,9 
5.20 
142.2 
November .. 
6.89 
1.77 
22 
87.7 
91.8 
73.3 
70.5 
76.3 
75.5 
96.4 
72.5 
81.3 
83.7 
84.2 
4.44 
137.5 
December 
11.98 
1.68 
25 
84.5 
88.5 
73.1 
70.5 
75.4 
74.7 
97.0 
73.4 
80.3 
81.8 
83.3 
2.45 
134.2 
Total or Mean 
78.50 
20.98 
185 
87.1 
89.6 
73.7 
71.2 
76.6 
75.5 
95.9 
72.3 
81.0 
82.9 
83.7 
4.38 
140.1 
