Number of days available for climatic review
| Parameter | Jan | Feb | Mar | Apr | May | Jun |
| Tmax | 799 | 722 | 801 | 796 | 824 | 795 |
| Tmin | 770 | 693 | 782 | 785 | 799 | 784 |
| Duration of sunshine | 155 | 148 | 298 | 214 | 181 | 189 |
| Precipitation | 594 | 532 | 586 | 603 | 631 | 597 |
| Humidity/Visibility | 84 | 78 | 85 | 102 | 103 | 104 |
| Parameter | Jul | Aug | Sep | Oct | Nov | Dec |
| Tmax | 824 | 827 | 794 | 808 | 793 | 815 |
| Tmin | 795 | 807 | 776 | 801 | 770 | 801 |
| Duration of sunshine | 152 | 205 | 254 | 198 | 188 | 191 |
| Precipitation | 624 | 626 | 616 | 619 | 614 | 197 |
| Humidity/Visibility | 108 | 109 | 105 | 102 | 94 | 97 |
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. |
Cap Skirring