430
THE HONGKONG GOVERNMENT GAZETTE, 12TH MAY, 1894.
Table XVIII.
Ten yearly means of readings of Solar Radiation Thermometers and of excess over Maximum Thermometers, Maximum and Minimum Temperatures, and Diurnal Range together with mean weight of Aqueous Vapour in Troy Grains in each cubit foot of air for each month of the year,
Month.
Solar Radia- tion Thermo-
Solar Radia- tion Excess over Maxi-
meter.
Mean
Meau Maximum Minimum Temperature. Temperature.
Diurnal Range.
Weight of Aqueous
Vapour.
mum.
January,
114.0
50.5
63.5
55.7
7.8
4.27
February,
104.5
43.1
61.4
54.1
7.3
4.25
•
March,
112.1
46.1
66.0
58.8
7.1
5.27
April,
123.2
48.9
74.3
66.5
7.8
6.85
May,
133.4
52.7
80.7
73.3
7.4
8.20
June,..
138.2
53.1
85.1
77.4
7.7
9.22
July,
139.3
. 53.3
86.0
77.8
8.2
9.47
August,..
141.0
55.2
85.8
77.1
8.7
9.29
September,
140.0
55.1
84.9
76.2
8.7
8.40
October,
137.0
56.1
80.9
72.7.
8.2
6.94
November,
129.8
55.9
73.9
65.2
8.7
5.11
December,
121.9
54.3
67.6
58.7
8.9
4.15
Means,........
127.9
52.0
75.8
67.8
8.0
6.78
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