|
Monthly and Annual values of specified elements
over particular periods ending 1990.
Station: IERSD, National Observatory of Athens
(37° 58'N, 23° 43' E, 107m above sea level)
|
Key:
|
Measurements taken from 1931 to 1960
Measurements taken from 1961 to 1990 |
| Data |
Jan |
Feb
|
Mar
|
Apr
|
May
|
June
|
July
|
Aug
|
Sept
|
Oct
|
Nov
|
Dec
|
Year
|
| Mean
Ambient Temperature (° C) |
9.3 |
9.9 |
11.3 |
15.3 |
20.0 |
24.6 |
27.6 |
27.4 |
23.5 |
19.0 |
14.7 |
11.0 |
17.8 |
|
9.3 |
9.8 |
11.7 |
15.5 |
20.2 |
24.6 |
27.0 |
26.6 |
23.3 |
18.3 |
14.5 |
11.1 |
17.6 |
| Mean
Maximum Ambient Temperature (° C) |
12.9 |
13.9 |
15.5 |
20.2 |
25.0 |
29.9 |
33.2 |
33.1 |
29.0 |
23.8 |
18.7 |
14.6 |
22.5 |
|
12.9 |
13.6 |
16.0 |
20.3 |
25.3 |
29.8 |
32.6 |
32.3 |
28.9 |
23.1 |
18.6 |
14.7 |
22.3 |
| Mean
Minimum Ambient Temperature (° C) |
6.4 |
6.7 |
7.8 |
11.3 |
15.9 |
20.0 |
22.8 |
22.8 |
19.3 |
15.4 |
11.7 |
8.2 |
14.0 |
|
6.5 |
6.9 |
8.4 |
11.6 |
15.4 |
20.1 |
22.5 |
22.3 |
19.2 |
14.9 |
11.4 |
8.3 |
14.0 |
| Mean
Precipitation (mm) |
58.5 |
36.5 |
37.5 |
22.0 |
22.5 |
13.6 |
5.7 |
7.0 |
15.3 |
51.0 |
55.7 |
71.1 |
396.8 |
|
44.6 |
48.3 |
42.6 |
28.2 |
17.2 |
9.7 |
4.2 |
4.6 |
11.9 |
47.7 |
50.6 |
66.6 |
376.1 |
| Average
Number of Raining Days |
17 |
12 |
12 |
10 |
9 |
5 |
2 |
3 |
4 |
9 |
13 |
16 |
112 |
|
13 |
13 |
11 |
10 |
7 |
5 |
2 |
2 |
3 |
9 |
11 |
13 |
99 |
| Mean
Relative Humidity (%) |
74 |
70 |
67 |
63 |
59 |
53 |
47 |
47 |
56 |
67 |
73 |
75 |
63 |
|
72 |
71 |
68 |
62 |
58 |
52 |
48 |
49 |
56 |
66 |
73 |
73 |
62 |
| Mean
Atmospheric Pressure (mm Hg) |
752.5 |
752.0 |
752.2 |
751.2 |
751.2 |
750.5 |
749.3 |
749.7 |
752.3 |
753.4 |
753.6 |
753.3 |
751.8 |
|
753.4 |
752.3 |
751.9 |
750.4 |
750.8 |
750.3 |
749.8 |
750.0 |
752.2 |
753.9 |
753.9 |
753.2 |
751.8 |
| Mean
Cloudiness (octals) |
6.1 |
5.5 |
5.6 |
4.8 |
4.6 |
2.9 |
1.4 |
1.3 |
2.4 |
4.3 |
5.7 |
5.9 |
4.2 |
|
5.5 |
5.8 |
5.4 |
4.9 |
4.3 |
3.2 |
2.0 |
2.0 |
2.8 |
4.1 |
5.3 |
5.6 |
4.2 |
| Mean
Sunshine Duration (hours) |
120 |
146 |
179 |
230 |
277 |
322 |
369 |
358 |
283 |
209 |
144 |
119 |
2756 |
|
138 |
145 |
187 |
239 |
303 |
341 |
374 |
356 |
283 |
218 |
164 |
136 |
2884 |
Download this table in .pdf
or.rtf format
For information about climatological data,
please contact Dr.
M. Petrakis
|
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