| Perth |
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| Institutions: |
Contact persons: |
| General Data Perth |
| Geographic longitude (east) | ||||
| Geographic latitude (north) | ||||
| Total area (km²) | Inhabitants (1.1.1950) | |||
| Settlement area (%) | Inhabitants (1.1.1970) | |||
| Traffic area (%) | Inhabitants (1.1.1997) | |||
| Agricultural area (%) | Density of Inhabitants ( I / km²) | |||
| Forested area (%) | ||||
| Water bodies (%) | Motor vehicles (1.1.1950) | |||
| Road network (km) | Motor vehicles (1.1.1970) | |||
| Mean altitude (above sea-level) | Motor vehicles (1.1.1997) | |||
| Lowest point (above sea-level) | ||||
| Highest point (above sea-level) | Motor vehicles / 1000 inhabitants (1997) |
| Air Pollution Perth |
No data available
| Mean climatic data Perth |
Parameter |
JAN |
FEB |
MAR |
APR |
MAY |
JUN |
JUL |
AUG |
SEP |
OCT |
NOV |
DEC |
YEAR |
Period |
Mean air temperature (°C) |
23.4 |
23.9 |
22.2 |
19.2 |
16.1 |
13.7 |
13.1 |
13.5 |
14.7 |
16.3 |
19.2 |
21.5 |
18.1 |
30 |
Mean maximum air temperature (°C) |
29.4 |
29.4 |
27.2 |
24.4 |
20.6 |
17.8 |
17.2 |
17.8 |
19.4 |
21.1 |
24.4 |
27.2 |
22.8 |
44 |
Mean minimum air temperature (°C) |
17.2 |
17.2 |
16.1 |
13.9 |
11.7 |
10.0 |
8.9 |
8.9 |
10.1 |
11.7 |
13.9 |
16.1 |
12.8 |
44 |
Absolute maximum air temperature (°C) |
43.7 |
44.6 |
41.3 |
37.6 |
32.4 |
27.6 |
24.7 |
27.8 |
32.7 |
37.2 |
40.3 |
42.2 |
44.6 |
67 |
Absolute minimum air temperature (°C) |
9.2 |
8.7 |
7.7 |
4.1 |
1.3 |
1.6 |
1.2 |
1.9 |
2.6 |
4.4 |
5.6 |
8.6 |
1.2 |
67 |
Mean relative Humidity (%) |
47 |
48 |
52 |
55 |
65 |
70 |
70 |
66 |
62 |
58 |
50 |
49 |
58 |
67 |
Mean precipitation (mm) |
7 |
12 |
22 |
52 |
125 |
192 |
183 |
135 |
69 |
54 |
23 |
15 |
889 |
30 |
Maximum precipitation (mm) |
55 |
166 |
145 |
149 |
307 |
477 |
425 |
318 |
199 |
200 |
71 |
81 |
1250 |
87 |
Minimum precipitation (mm) |
0 |
0 |
0 |
0 |
20 |
55 |
61 |
12 |
9 |
4 |
0 |
0 |
508 |
87 |
Maximum precipitation in 24 h (mm) |
44 |
87 |
77 |
67 |
76 |
99 |
76 |
74 |
46 |
44 |
39 |
47 |
99 |
87 |
Days with precipitation |
3 |
3 |
5 |
8 |
15 |
17 |
19 |
19 |
15 |
12 |
7 |
5 |
128 |
30 |
Mean sunshine (h) |
322 |
280 |
273 |
219 |
180 |
144 |
164 |
189 |
213 |
251 |
291 |
322 |
2848 |
30 |
Radiation (Ly/d) |
650 |
603 |
493 |
349 |
258 |
219 |
235 |
321 |
427 |
538 |
633 |
672 |
449 |
12 |
Potential evaporation (mm) |
130 |
112 |
105 |
77 |
49 |
33 |
33 |
36 |
47 |
61 |
88 |
122 |
893 |
34 |
Mean wind speed |
7.5 |
7.5 |
6.9 |
6.2 |
5.7 |
5.7 |
5.7 |
6.2 |
6.7 |
7.2 |
7.5 |
7.5 |
6.7 |
10 |
Winddirection |
E, SW |
NE, SW |
E, SW |
NE, SW |
NE, W |
N, NW |
NE, W |
N, W |
NE, SW |
NE, SW |
E, SW |
E, SW |
Source of climatic data: M. Müller, 1983: Handbuch ausgewählter Klimastationen der Erde. Universität Trier. Forschungsstelle Bodenerosion.