Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 1248 | 1150 | 1271 | 1228 | 1266 | 1230 |
| Tmin | 1064 | 983 | 1085 | 1050 | 1081 | 1050 |
| Διάρκεια Ηλιοφάνειας | 217 | 254 | 248 | 240 | 248 | 300 |
| Υετός | 186 | 169 | 187 | 180 | 185 | 180 |
| Υγρασία/Ορατότητα | 184 | 166 | 184 | 178 | 184 | 179 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 1269 | 1268 | 1258 | 1295 | 1257 | 1300 |
| Tmin | 1086 | 1085 | 1050 | 1085 | 1050 | 1085 |
| Διάρκεια Ηλιοφάνειας | 279 | 310 | 300 | 310 | 270 | 248 |
| Υετός | 185 | 185 | 209 | 211 | 207 | 216 |
| Υγρασία/Ορατότητα | 183 | 185 | 206 | 210 | 207 | 214 |
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. |
