Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 484 | 469 | 526 | 508 | 517 | 521 |
| Tmin | 480 | 468 | 526 | 507 | 518 | 518 |
| Διάρκεια Ηλιοφάνειας | 0 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 94 | 85 | 95 | 91 | 93 | 107 |
| Υγρασία/Ορατότητα | 91 | 84 | 91 | 88 | 90 | 101 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 554 | 552 | 536 | 545 | 537 | 556 |
| Tmin | 554 | 553 | 536 | 538 | 534 | 553 |
| Διάρκεια Ηλιοφάνειας | 0 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 128 | 130 | 120 | 120 | 120 | 130 |
| Υγρασία/Ορατότητα | 120 | 120 | 117 | 117 | 117 | 121 |
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. |
