Number of days available for climatic review
| Parametro | Gen | Feb | Mar | Apr | Mag | Giu |
| Tmax | 1245 | 1139 | 1258 | 1216 | 1259 | 1221 |
| Tmin | 1254 | 1141 | 1263 | 1228 | 1265 | 1223 |
| Durata del soleggiamento | 422 | 316 | 383 | 438 | 448 | 428 |
| Precipitazione | 202 | 183 | 191 | 186 | 190 | 188 |
| Umidità/Visibilità | 176 | 161 | 177 | 173 | 178 | 171 |
| Parametro | Lug | Ago | Set | Ott | Nov | Dic |
| Tmax | 1262 | 1253 | 1238 | 1284 | 1245 | 1263 |
| Tmin | 1263 | 1266 | 1239 | 1291 | 1246 | 1293 |
| Durata del soleggiamento | 448 | 424 | 490 | 498 | 422 | 427 |
| Precipitazione | 189 | 194 | 214 | 219 | 217 | 249 |
| Umidità/Visibilità | 179 | 176 | 195 | 200 | 192 | 183 |
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. |
