Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 106 | 79 | 94 | 99 | 101 | 85 |
| Tmin | 113 | 100 | 115 | 111 | 111 | 106 |
| Διάρκεια Ηλιοφάνειας | 0 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 154 | 140 | 155 | 150 | 155 | 150 |
| Υγρασία/Ορατότητα | 113 | 97 | 113 | 105 | 110 | 107 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 93 | 124 | 128 | 119 | 73 | 75 |
| Tmin | 107 | 119 | 137 | 119 | 80 | 78 |
| Διάρκεια Ηλιοφάνειας | 0 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 154 | 189 | 183 | 175 | 120 | 128 |
| Υγρασία/Ορατότητα | 110 | 129 | 136 | 123 | 77 | 83 |
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. |
