Number of days available for climatic review
| Parametro | Gen | Feb | Mar | Apr | Mag | Giu |
| Tmax | 552 | 498 | 548 | 537 | 553 | 531 |
| Tmin | 552 | 498 | 553 | 535 | 554 | 531 |
| Durata del soleggiamento | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitazione | 186 | 167 | 187 | 183 | 186 | 179 |
| Umidità/Visibilità | 179 | 163 | 182 | 177 | 182 | 175 |
| Parametro | Lug | Ago | Set | Ott | Nov | Dic |
| Tmax | 553 | 547 | 560 | 571 | 562 | 585 |
| Tmin | 553 | 552 | 563 | 575 | 566 | 586 |
| Durata del soleggiamento | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitazione | 185 | 194 | 216 | 215 | 216 | 221 |
| Umidità/Visibilità | 183 | 177 | 198 | 203 | 203 | 212 |
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. |
