Monthly air fluctuations | Moisture group | Rain | Heat status day night | Concept of indicators |
Less than 10 | 2 2 & 3 |
| Warm Warm | Ht: Air flow is essential. |
| 4 |
| Suitable | Ht: The flow of air is favorable. |
|
| More than 200 mm |
| Ht: Rain protection |
More than 10 | 1 & 2 & 3 |
|
| At: Heat capacity is essential. |
More than 10 | 1 & 2 1 & 2 |
| Warm Warm suitable | At: Free space is essential for sleep. |
|
|
| Cold suitable | At: Protection against the cold. |