Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 697 | 623 | 693 | 670 | 689 | 675 |
| Tmin | 693 | 631 | 689 | 664 | 693 | 669 |
| Διάρκεια Ηλιοφάνειας | 117 | 98 | 122 | 119 | 133 | 127 |
| Υετός | 599 | 539 | 598 | 591 | 593 | 584 |
| Υγρασία/Ορατότητα | 138 | 123 | 133 | 124 | 131 | 130 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 695 | 721 | 704 | 713 | 680 | 694 |
| Tmin | 699 | 722 | 715 | 724 | 693 | 699 |
| Διάρκεια Ηλιοφάνειας | 138 | 158 | 171 | 159 | 139 | 113 |
| Υετός | 594 | 631 | 637 | 657 | 599 | 175 |
| Υγρασία/Ορατότητα | 140 | 161 | 171 | 164 | 145 | 140 |
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. |
