Number of days available for climatic review
| Parameter | Jan | Feb | Mär | Apr | Mai | Jun |
| Tmax | 836 | 756 | 835 | 810 | 835 | 810 |
| Tmin | 837 | 757 | 837 | 810 | 836 | 809 |
| Sonnenscheindauer | 0 | 0 | 0 | 0 | 0 | 0 |
| Niederschlag | 186 | 168 | 187 | 181 | 186 | 180 |
| Feuchte/Sicht | 184 | 167 | 184 | 178 | 184 | 178 |
| Parameter | Jul | Aug | Sep | Okt | Nov | Dez |
| Tmax | 833 | 837 | 838 | 865 | 837 | 866 |
| Tmin | 837 | 838 | 838 | 865 | 839 | 868 |
| Sonnenscheindauer | 0 | 0 | 0 | 0 | 0 | 0 |
| Niederschlag | 186 | 190 | 210 | 215 | 211 | 217 |
| Feuchte/Sicht | 182 | 184 | 206 | 209 | 205 | 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. |
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