Number of days available for climatic review
Parameter | Jan | Feb | Mar | Apr | May | Jun |
Tmax | 152 | 140 | 154 | 150 | 154 | 166 |
Tmin | 155 | 136 | 154 | 149 | 154 | 166 |
Duration of sunshine | 155 | 135 | 153 | 149 | 154 | 166 |
Precipitation | 0 | 0 | 0 | 0 | 0 | 0 |
Humidity/Visibility | 0 | 0 | 0 | 0 | 0 | 0 |
Parameter | Jul | Aug | Sep | Oct | Nov | Dec |
Tmax | 181 | 183 | 179 | 178 | 177 | 185 |
Tmin | 181 | 186 | 180 | 180 | 179 | 186 |
Duration of sunshine | 179 | 186 | 180 | 178 | 179 | 184 |
Precipitation | 0 | 0 | 0 | 0 | 0 | 0 |
Humidity/Visibility | 0 | 0 | 0 | 0 | 0 | 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. |