Number of days available for climatic review
Parameter | Jan | Feb | Mar | Apr | May | Jun |
Tmax | 582 | 517 | 579 | 564 | 580 | 569 |
Tmin | 557 | 497 | 563 | 550 | 563 | 554 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 510 | 464 | 514 | 493 | 514 | 488 |
Humidity/Visibility | 176 | 156 | 175 | 171 | 175 | 176 |
Parameter | Jul | Aug | Sep | Oct | Nov | Dec |
Tmax | 582 | 577 | 592 | 604 | 589 | 596 |
Tmin | 574 | 561 | 581 | 581 | 564 | 569 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 506 | 511 | 515 | 535 | 526 | 536 |
Humidity/Visibility | 179 | 171 | 202 | 203 | 196 | 192 |
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. |