Evolution of cooling degree-days in European countries

The cooling degree-days measures the intensity of the heat in summer. We show here the change between the averages of the first and last decades of the data:

[1979 - 1988]    ⟶    [2014 - 2023]

Malta
458
706
Cyprus
362
735
Greece
194
352
Portugal
159
215
Spain
152
279
Italy
112
270
Bulgaria
70
182
Croatia
54
167
Romania
42
121
Hungary
38
125
France
21
68
Slovenia
14
61
Slovakia
12
54
Luxembourg
7
33
Germany
5
28
Austria
5
30
Czechia
4
30
Poland
4
31
Belgium
3
25
Switzerland
3
18
Netherlands
2
19
Lithuania
1
18
Finland
1
3
Latvia
1
12
Estonia
0
10
Sweden
0
1
United Kingdom
0
2
Ireland
0
0
Denmark
0
2
Norway
0
0