81
20
21
22
23
24
25
26
27
28
29
30
01:00
03:00
05:00
07:00
09:00
11:00
13:00
15:00
17:00
19:00
21:00
23:00
θ [ 0
C]
TIME
BASE
SCENARIO 1
SCENARIO 2
SCENARIO 3
Fig. 3.8  Mean hourly temperature in the course of a reference summer day in Vienna for the base 
case and three mitigation scenarios
21
23
25
27
29
31
33
35
01:00
03:00
05:00
07:00
09:00
11:00
13:00
15:00
17:00
19:00
21:00
23:00
θ [ 0
C]
TIME
BASE
SCENARIO 1
SCENARIO 2
SCENARIO 3
SCENARIO 4
Fig. 3.9  Mean hourly temperature in the course of a reference summer day in Padua for the base 
case and four mitigation scenarios
3 Methodologies for UHI Analysis