Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 89 | 82 | 88 | 86 | 91 | 93 |
| Tmin | 91 | 82 | 88 | 86 | 91 | 101 |
| Διάρκεια Ηλιοφάνειας | 217 | 225 | 248 | 270 | 217 | 240 |
| Υετός | 95 | 87 | 96 | 93 | 93 | 105 |
| Υγρασία/Ορατότητα | 91 | 83 | 90 | 88 | 92 | 100 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 116 | 121 | 116 | 115 | 118 | 119 |
| Tmin | 119 | 122 | 118 | 118 | 115 | 118 |
| Διάρκεια Ηλιοφάνειας | 217 | 279 | 270 | 279 | 180 | 279 |
| Υετός | 126 | 126 | 121 | 122 | 121 | 124 |
| Υγρασία/Ορατότητα | 122 | 122 | 118 | 116 | 117 | 124 |
Climate data is usually derived from meteorological data of a certain number of years. The actual number of recorded years may vary from only a couple to 50 years or more. The quality of climate data depends on the number of available recorded years. Fewer years means less reliable data. The standart-period for reliable climate data is 30 years. For example, the mean monthly temperature for, let's say January, would ideally calculated from a total number of 930 recorded January-days. However, the usual number of recorded days is much smaller. The table above shows the actual number of recorded days for every parameter measured. |
