Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 1130 | 1040 | 1156 | 1103 | 1142 | 1104 |
| Tmin | 1190 | 1093 | 1204 | 1163 | 1203 | 1161 |
| Διάρκεια Ηλιοφάνειας | 1 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 247 | 226 | 238 | 211 | 195 | 182 |
| Υγρασία/Ορατότητα | 142 | 129 | 142 | 131 | 135 | 130 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 1140 | 1145 | 1129 | 1160 | 1110 | 1126 |
| Tmin | 1202 | 1207 | 1191 | 1229 | 1178 | 1215 |
| Διάρκεια Ηλιοφάνειας | 0 | 0 | 0 | 0 | 0 | 0 |
| Υετός | 189 | 192 | 214 | 238 | 286 | 312 |
| Υγρασία/Ορατότητα | 133 | 137 | 157 | 154 | 140 | 152 |
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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