Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 1246 | 1141 | 1266 | 1219 | 1264 | 1223 |
| Tmin | 1245 | 1147 | 1263 | 1224 | 1263 | 1223 |
| Διάρκεια Ηλιοφάνειας | 459 | 389 | 361 | 442 | 462 | 446 |
| Υετός | 186 | 169 | 187 | 181 | 186 | 182 |
| Υγρασία/Ορατότητα | 184 | 167 | 184 | 179 | 184 | 178 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 1267 | 1266 | 1253 | 1280 | 1255 | 1300 |
| Tmin | 1265 | 1267 | 1246 | 1274 | 1253 | 1298 |
| Διάρκεια Ηλιοφάνειας | 429 | 497 | 502 | 397 | 409 | 483 |
| Υετός | 186 | 190 | 212 | 204 | 210 | 217 |
| Υγρασία/Ορατότητα | 184 | 184 | 206 | 194 | 206 | 215 |
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. |
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