APPENDIX 45
(Chapter 24: The Environment)
Climatological Summary, 1992
APPENDICES
Mean
pressure
Month
at mean sea level
Maxi-
mum
air tem-
Mean air tem-
Mini-
mum
Mean
Mean
Mean
Total
Prevailing
Mean
air tem-
dew
perature
perature
perature
point
relative humidity
amount
bright
Total
wind
wind
of cloud
sunshine
rainfall
direction
speed
hectopascals
°C
°C
ос
ос
per cent
per cent
hours
mm
degrees
km/h
January
1022.2
23,1
15.7
8.4
9.8
69
43
197.1
40.0
020
24.3
February
1018.3
23.3
15.4
11.2
12.3
83
80
64.1
142.8
070
27.5
March
1015.8
25.5
18.0
9.7
16.2
90
92
37.6
242.4
040
23.0
April
1011.7
29.6
21.9
17.4
19.5
87
85
75.5
492.2
040
19.9
May
1009.4
31.0
24.8
20.2
22.3
86
80
94.0
602.3
090
18.8
June
1006.6
32.8
27.2
22.5
24.5
86
80
134.5
532.8
100
22.9
July
1007.9
32.4
28.2
23.4
24.6
81
66
209.6
358.1
230
25.5
August
1004.2
35.0
29.4
25.6
24.7
77
62
217.3
97.7
020
19.2
September
1007.5
33.5
28.9
24.7
23.9
75
54
200.5
63.1
100
21.5
October
1015.6
31.2
24.6
19.6
17.5
66
44
239.3
30.9
100
27.7
November
1020.1
26.4
20.4
13.1
12.9
64
31
234.4
10.1
090
27.6
--December
1020.4
25.4
19.2
11.7
14.9
77
61
151.6
66.4
090
25.6
Year
1013.3
35.0
22.8
8.4
18.6
78
65
1 855.5
2 678.8
090
23.6
Climatological Normals (1961-1990)
Month
hectopascals
*C*
°C
*C*
ос
per cent
per cent
hours
mm
degrees
km/h
January
1 020.2
26.9
15.8
0.0
10.2
71
58
152.4
23.4
070
24.0
February
1 018.7
27.8
15.9
2.4
11.8
78
73
97.7
48.0
070
23.8
March
1016.2
30.1
18.5
4.8
15.0
81
76
96.4
66.9
070
22.1
April
1013.1
33.4
22.2
9.9
19.0
83
78
108.9
161.5
080
19.7
May
1 009.1
35.5
25.9
15.4
22.6
83
74
153.8
316.7
090
19.2
June
1 006.0
35.6
27.8
19.2
24.4
82
75
161.1
376.0
090
21.6
July
1 005.3
35.7
28.8
21.7
24.9
80
65
231.1
323.5
230
20.0
August
1 005.1
36.1
28.4
21.6
24.8
81
66
207.0
391.4
090
18.5
September
1 008.8
35.2
27.6
18.4
23.3
78
63
181.7
299.7
090
21.9
October
1 014.0
34.3
25.2
13.5
19.8
73
56
195.0
144.8
090
27.6
November
I 017.9
31.8
21.4
6.5
15.2
69
53
181.5
35.1
080
27.2
December
1 020.2
28.7
17.6
4.3
11.2
68
49
181.5
27.3
080
25.5
Year
1 012.9
36.1
23.0
0.0
18.6
77
65
1948.1
2 214.3
080
22.6
468
Note: * These extreme values are for the period 1884–1939; 1947–1992.