| Time | Road and Pavement Materials | Earth, i.e. (Ordinary Ground) | Vegetation, i.e. (Grass) | |||||
| Asphalt | Concrete |
|
| |||||
| TEMP (˚C) | R.H (%) | TEMP (˚C) | R.H (%) | TEMP (˚C) | R.H (%) | TEMP (˚C) | R.H (%) | |
| 8.00 a.m | 19 | 90 | 19 | 90 | 19 | 90 | 19 | 90 |
| 10.00 a.m | 23 | 75 | 22 | 75 | 21 | 75 | 20 | 75 |
| 12.00 noon | 27 | 60 | 25 | 60 | 23 | 60 | 21 | 60 |
| 2.00 p.m | 31 | 45 | 28 | 45 | 25 | 45 | 22 | 45 |
| 4.00 p.m | 27 | 60 | 25 | 60 | 23 | 60 | 21 | 60 |
| 6.00 p.m | 23 | 75 | 22 | 75 | 21 | 75 | 20 | 75 |