Table 2 The main characteristics of the weather type clusters defined for Ioannina prefecture (1995–99).
From: Weather conditions and Bell's palsy: five-year study and review of the literature
Weather type | ||
|---|---|---|
Cluster 1 | Humidity (relative and absolute) decrease | Mostly during the cold period of the year |
Cluster 2 | Temperature decrease | |
Cluster 3 | Absolute humidity and minimum temperature decrease | |
Cluster 4 | Domination of a low pressure system | |
Cluster 5 | Domination of a high pressure system | |
Cluster 6 | Persistence of warm and dry weather | Mostly during the warm period of the year |
Cluster 7 | High temperature, humidity (relative and absolute) increase | |
Cluster 8 | Humidity (relative and absolute) decrease | |