Number of days available for climatic review
Parameter | Jan | Feb | Mar | Apr | May | Jun |
Tmax | 591 | 535 | 606 | 582 | 603 | 579 |
Tmin | 604 | 549 | 613 | 592 | 611 | 596 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 164 | 141 | 159 | 149 | 154 | 155 |
Humidity/Visibility | 131 | 121 | 133 | 126 | 136 | 130 |
Parameter | Jul | Aug | Sep | Oct | Nov | Dec |
Tmax | 595 | 629 | 610 | 623 | 582 | 608 |
Tmin | 600 | 628 | 612 | 625 | 577 | 609 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 154 | 197 | 191 | 183 | 165 | 165 |
Humidity/Visibility | 133 | 155 | 158 | 151 | 125 | 141 |
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. |