76
15
17
19
21
23
25
27
29
31
33
35
37
39
1:00
3:00
5:00
7:00
9:00
11:00
13:00
15:00
17:00
19:00
21:00
23:00
θ [
0
C]
Time
VIENNA
STUTTGART
PADUA
BUDAPEST
PRAGUE
MODENA
WARSAW
LJUBLJANA
Fig. 3.2  Mean hourly urban temperature for a reference summer day
-2
-1
0
1
2
3
4
5
6
7
1:00
3:00
5:00
7:00
9:00
11:00
13:00
15:00
17:00
19:00
21:00
23:00
UHI intensity [K]
Time
VIENNA
STUTTGART
PADUA
BUDAPEST
PRAGUE
MODENA
WARSAW
LJUBLJANA
Fig. 3.3  Mean hourly UHI intensity distribution for a reference summer day
A. Mahdavi et al.