View report page

98
TABLE VII.
Meteorological Observations at Greenwich.
From the Weekly Returns of the Registrar-General.
Quarters. 1897.
Years.
1
2
3
4
1897.
1896.
1895.
1894.
Barometer. —Mean
29.690
29.776
29.778
29.919
29.790
29.836
29.745
29.796
Total Oscillation
24.54
18.45
15.69
19.12
77.80
72.96
71.58
73.05
Thermometer—Mean
41.1
53.0
59.5
45.8
49.8
49.79
49.5
49.1
Absolute Maximum
62.2
90.2
89.5
67.2
90.2
91.1
87.3
86.0
,, Minimum
23.8
29.9
38.2
28.3
23.3
24.3
6.9
12.8
Mean Daily Range
9.6
18.4
18.7
11.5
14.5
14.6
16.1
14.8
Sunshine.—Hours recorded
179.0
583.8
570.4
201.9
1,535.1
1,018.4
1,225.4
1,051.6
"Possible'' Record
927.0
1,402.0
1,296.5
820.5
4,446.0
4,504.0
4,447.2
4,446.2
Per cent. of "Possible"
recorded
19.3
41.6
43.9
24.6
34.5
22.6
27.5
23.6
No. of days of record
60
82
88
64
294
264
275
268
Humidity. —Mean
83
73
73
84
78
79
77
81
Rainfall, &c.—.Total
7.38
4.73
6.34
3.69
22.14
22.77
19.48
26.44
No. of days of fall
48
38
42
40
168
163
156
194
„ ,, Snow
1.2
—
—
1
13
7
28
5
„ „ with Fog
10
7
8
36
61
43
52
55
„ „ Thunder
2
7
14
1
24
17
15
19
„ „ Lightning
3
5
13
1
22
16
17
9
,, ,, Hail
2
2
1
2
7
4
4
7
Hoar frost observed
7
2
-
15
24
40
29
23
Wind.—Mean direction
S.W.
S.W.
S.W.
S.W.
S.W.
S.W.
S.W.
S.W.
Mean Hourly Velocity
14.0
12.0
11.0
10.8
11.9
11.2
11.7
12.3
No. of observations of
calm
2
3
1
14
20
36
39
†