Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 1248 | 1137 | 1264 | 1222 | 1261 | 1221 |
| Tmin | 1244 | 1140 | 1260 | 1222 | 1262 | 1226 |
| Διάρκεια Ηλιοφάνειας | 0 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 192 | 174 | 191 | 185 | 188 | 180 |
| Υγρασία/Ορατότητα | 171 | 157 | 173 | 172 | 175 | 174 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 1263 | 1259 | 1241 | 1282 | 1239 | 1285 |
| Tmin | 1265 | 1264 | 1239 | 1286 | 1248 | 1285 |
| Διάρκεια Ηλιοφάνειας | 0 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 187 | 190 | 216 | 219 | 214 | 223 |
| Υγρασία/Ορατότητα | 178 | 174 | 193 | 197 | 191 | 195 |
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. |
