Table 2 Cooling performance index (CPI) of PCBs relative to RCBS and WCBs.

From: Evaluating preamble clay bricks for mitigating urban heat Island effects and stormwater pollution

Cooling performance Index

(CPI)

 

Day time

  

Night time

10:00

am

3:00

pm

6:00 pm

7:00 pm

12:00 am

4:00 am

Relative to RCBs

5.0

4.1

0.33

4.8

3.1

1.3

Relative to WCBS

3.0

4.2

0.44

4.4

2.8

3.6