Appendix 39
(Chapter 19: The Environment)
Climatological Summary, 1979
Mean Maxi-
Mini-
273
pressure
mum
Mean
mum
Mean
at mean air tem-
air tem-
air tem-
dew
Mean relative
Mean
Total
Prevailing
Mean
amount
bright
Total
wind
wind
Month
sea level perature perature
perature
point humidity of cloud
sunshine
rainfall direction
speed
kilopascals
°C
°C
°C
°C per cent
per cent
hours
mm
points
m/s
January
101.94
23.7
17.6
6.8
14.0
80
70
122,5
45.1
ENE
5.8
February
101.63
26.5
18.9
6.1
14.8
78
72
93.9
9.4
E
6.1
March
101.40
27.8
19.3
12.6
17.2
88
90
38.0
71.9
ENE
7.5
April
101.29
32.4
21.7
14.1
18.9
85
83
86.0
234,5
ENE
6.0
May
100.91
31.2
24.4
19.4
21.9
86
84
94.3
311.6
E
5.9
June
100.82
32.3
26.9
22.1
24.2
86
78
142,1
378.2
E
5.3
July
100.60
33.8
29.2
24.4
25.1
79
63
273.7
339.4
SW
5.0
August
100.41
33.5
27,9
23,5
25.1
85
76
138.2
706.9
WSW
5,2
September
101.05
32.9
27.1
22.5
23.4
81
65
164.3
506.3
E
6.0
October
101.53
30.6
24.7
20.3
16.2
61
20
297.4
0.0
E
5.7
November
101.92
28.9
20.4
10.5
11.8
60
57
150.7
11.2-
N
8.2
December
102.09
25.3
18.6
11.4
13,3
73
30
230.4
0.2
ENE
6.4
Mean
101,30
23.1
18.8
79
66
E
6.1
Total
1
|
1,831,5
2,614.7
Climatological Normals
(1947-1976)
ار
Month kilopascals
°C*
°C
°C*
°C per cent
per cent
hours
mm
points†
m/s†
January
102.01
26.9
15.6
0.0
9.9
72
58
157.2
28.5
ENE
6.5
February
101,83
27.8
15.9
2.4
11.8
79
71
109.0
44.9
ENE
6.4
March
101.63
30.1
18.4
6.2
14.9
82
76
106.3
49.3
ENE
6.0
April
101.31
33.4
21.9
9.9
18.8
84
76
119.3
135.3
E
5.3
May
100.92
35.5
25.9
15.4
22.7
84
73
164.2
289.3
E
5.3
June
100.59
35.6
27.6
19.2
24.4
84
77
149.4
457.5
SW
5.7
July
100.55
35.7
28.5
22.2
24.9
82
66
226.0
319.3
SW
5,2
August
100.53
36.1
28.1
21.6
24.8
83
66
206.1
420.2
E
5.1
September
100.84
35.2
27.5
18.4
23.3
80
62
191.2
330.8
October
101.39
34.3
24.9
13.5
19.4
73
54
209.0
107.2
魚店
E
5.9
E
7.2
November
101.75
31.8
21.3
6.5
15.1
70
December
101.96
28.7
17.5
4.3
11.4
70
22
53
189.4
38.2
54
171.9
25.9
房屋
E
7.4
E
6.9
Mean
101.28
22.8
18.5
78
65
E
6.1
Total
1
1,998.8 2,246.4
!
1
Note: 1 kilopascal=10 millibars
1 m/s 1.94 knots
* 1884-1939; 1947–1979.
† 1953-1979 as record commenced in 1953 at Waglan Island.
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