Annual Abstract of Meteorological Observations for the year 187C — Singapore 
Barometrical Readings corrected 
AND REDUCED TO 32 O F. 
« 
Thermometers. 
Hygrometrical 
Results. 
Self-registering Thermo, 
meter. 
.Months, 
• 
9 A.M. 
* * * * • 
3 P.M. , 
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9 P.M. 
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9 A.M. 
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9 P.M. 
Means. 
Mean temperature of due 
point. 
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Mean degree of humidity 
saturation and = 100. 
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Maximum in shade. 
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pH 
pH 
Dry. 
Wet. 
Dry. 
Wet. 
Dry. 
Wet. 
Dry. 
Wet. 
Inches. 
Inches. 
Inches 
Inches. 
Inches. 
o F, 
oF, 
oF. 
cF. 
oF. 
oF. 
oF. 
oF. 
F 1 
Inches 
cF. 
cF. 
oF. 
0 F. 
0 F - 
cF. 
0 F. 
January... 
29.930 
29.826 
29.928 
.110 
29.895 
80.2 
75.7 
82.4 
76.2 
75.3 
73.8 
79-3 
75.2 
A 
0.796 
79.8 
147.7 
63.4 
85.3 
71.6- 
13.7 
78.4 
February.. 
.939 
.834 
.925 
.106 
.899 
80.6 
75.8 
84.2 
76.9 
76.2 
74.2 
83.3 
76.6 
2.4 
.796 
76.8 
150. 
66.3 
87.7 
71. 
16.7 
79.8 
March . . . 
.937 
.816 
.911 
.122 
.888 
82.2 
77.2 
84.4 
78.1 
76.7 
75.4 
81.1 
76 ; 
7 4. 
.840 
79.2 
150. 
68.1 
87. 6 
72.6 
15. 
80.1 
April 
.883 
.773 
.865 
.111 
.840 
83.6 
78.4 
85. 
78.9 
77.9 
76.8 
82.2 
7 
75.2 
.874 
79.2 
150. 
70.9 
88. 
74.2 
13.8 
81.1 
May 
.909 
.804 
,893 
.109 
.869 
83.9 
79.3 
86.1 
79.8 
79.2 
77.5 
83.1 
9 
76.1 
.900 
79.2 
154. 
72. 
88.4 
75. 
13.4 
81.7 
June 
.913 
.822 
.908 
.098 
.883 
81.9 
77.7 
84.8 
77.9 
79.1 
• 76.9 
81.9 
.5 
74.5 
.854 
78.9 
144. 
71.3 
86.6 
fro Q 
4 0.0 
12.8 
80.2 
July 
.919 
.839 
.913 
.085 
.890 
82.4 
1 78. 
84.7 
78.8 
80. 
77.3 
8° 
8. 
75. 
.868 
78.4 
145. 
0 
86.6 
1 WK Q 
4 0.0 
11.3 * 
80.9 
August ... 
.911 
.829 
.917 
.093 
.886 
82.4 
77.6 
82.5 
77.1 
78.6 
76.2 
51.2 
77. 
74.2 
.846 
79.2 
148. 
71.6 
86. 
74.6 
11.4 
80.3 
September 
.937 
.836 
.928 
I .107 
.900 
81.5 
77.3 
84.6 
78.2 
78.6 
76.5 
81.6 
77.3 
74.4 
.851 
79.1 
151. 
69.9 
86,5 
73.4 
13.1 
79.9 
October . . . 
.934 
.839 
.942 
.109 
.908 
81.3 
77. 
83.8 
77.4 
77.5 
75.9 
80.9 
76.8 
74. 
.840 
80. 
149.9 
70. 
86.2 
73.2 
13. 
79.7 
November. 
•923 
.829 
.900 
.097 
.851 
80.1 
76.8 
82.9 
77.5 
76.7 
75.5 
80.1 
76.6 
74.2 
.846 
82.6 
148.7 
71.1 
85.2 
73.2 
12. 
79.2 
December, 
•947 
.859 
.923 
.089 
I 
" 
.9 rO 
80. 
75.7 
81.1 
75.9 
75.6 
74.3 
| t 
78.9 
75.3 
72.8 
.807 
81. 
148. 
69.8 
84.9 
71.7 
13.2 
78.3 
Mean ... 
29.924 
29.825 
29.913 
| 0.103 
! 29-845 
81.7 
77.2 
83.9 
77.7 
77.6 
75.8 
81.1 
1 76.9 
i 
74.1 
0.843 
79.4 
148.8 
70.2 
86.6 
73.3 
13.3 
79.9 
Highest reading of Barometer during the year ... 
Lowest do. do ... 
Greatest Rainfall in 24 hours 
, 30.029 inches. 
... 29.711 do. 
.516 do. 
Highest Temperature observed 91 o 
Lowest do. do., 66 o 
« 
w 
£3 
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