Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 1248 | 1146 | 1263 | 1226 | 1262 | 1221 |
| Tmin | 1251 | 1145 | 1265 | 1225 | 1265 | 1223 |
| Διάρκεια Ηλιοφάνειας | 0 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 186 | 169 | 187 | 181 | 186 | 180 |
| Υγρασία/Ορατότητα | 183 | 166 | 179 | 173 | 180 | 178 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 1262 | 1268 | 1249 | 1285 | 1255 | 1294 |
| Tmin | 1268 | 1270 | 1257 | 1290 | 1252 | 1299 |
| Διάρκεια Ηλιοφάνειας | 0 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 186 | 190 | 210 | 213 | 210 | 217 |
| Υγρασία/Ορατότητα | 180 | 183 | 204 | 204 | 200 | 210 |
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. |
