Number of days available for climatic review
| Parameter | Jan | Feb | Mär | Apr | Mai | Jun |
| Tmax | 1134 | 1038 | 1145 | 1123 | 1168 | 1138 |
| Tmin | 1135 | 1038 | 1147 | 1125 | 1167 | 1139 |
| Sonnenscheindauer | 214 | 223 | 245 | 249 | 276 | 266 |
| Niederschlag | 744 | 674 | 744 | 737 | 779 | 752 |
| Feuchte/Sicht | 92 | 84 | 91 | 103 | 121 | 118 |
| Parameter | Jul | Aug | Sep | Okt | Nov | Dez |
| Tmax | 1175 | 1175 | 1129 | 1172 | 1139 | 1178 |
| Tmin | 1172 | 1178 | 1129 | 1173 | 1138 | 1178 |
| Sonnenscheindauer | 272 | 271 | 269 | 267 | 263 | 240 |
| Niederschlag | 779 | 776 | 749 | 772 | 750 | 125 |
| Feuchte/Sicht | 121 | 121 | 118 | 118 | 117 | 122 |
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. |
