Number of days available for climatic review
| Parameter | Jan | Feb | Mär | Apr | Mai | Jun |
| Tmax | 0 | 0 | 1024 | 0 | 1074791425 | 1074791425 |
| Tmin | 1330007625 | 1378234941 | 808857917 | 1380929062 | 1330202437 | 3161422 |
| Sonnenscheindauer | 1 | 0 | -2134221760 | 0 | 5625285 | 0 |
| Niederschlag | 0 | 0 | 0 | 0 | 0 | 0 |
| Feuchte/Sicht | -1185974966 | -1317774395 | -1962355776 | 0 | 0 | 0 |
| Parameter | Jul | Aug | Sep | Okt | Nov | Dez |
| Tmax | 1074791425 | 1074791425 | -2134222896 | 0 | -2134223400 | 0 |
| Tmin | 1431389522 | 1599361861 | 1048576 | 1073741824 | 1073741824 | 1073741824 |
| Sonnenscheindauer | 255 | 0 | -268435456 | 0 | 0 | 0 |
| Niederschlag | 0 | 0 | 0 | 0 | 0 | 0 |
| Feuchte/Sicht | 0 | 0 | -2134222960 | 0 | -1962583780 | 0 |
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. |
