Number of days available for climatic review
| Parameter | Jan | Feb | Mär | Apr | Mai | Jun |
| Tmax | 832 | 749 | 832 | 806 | 832 | 808 |
| Tmin | 832 | 749 | 834 | 805 | 827 | 808 |
| Sonnenscheindauer | 155 | 198 | 186 | 150 | 217 | 180 |
| Niederschlag | 155 | 142 | 156 | 121 | 125 | 120 |
| Feuchte/Sicht | 183 | 164 | 182 | 175 | 180 | 179 |
| Parameter | Jul | Aug | Sep | Okt | Nov | Dez |
| Tmax | 830 | 835 | 834 | 862 | 832 | 858 |
| Tmin | 836 | 837 | 836 | 863 | 835 | 857 |
| Sonnenscheindauer | 155 | 155 | 150 | 186 | 180 | 124 |
| Niederschlag | 125 | 157 | 180 | 184 | 180 | 186 |
| Feuchte/Sicht | 183 | 180 | 205 | 208 | 203 | 206 |
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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