Number of days available for climatic review
Paramètre | jan | fev | mar | avr | mai | juin |
Tmax | 1972 | 1782 | 1971 | 1914 | 1953 | 1898 |
Tmin | 1978 | 1787 | 1981 | 1913 | 1959 | 1906 |
Durée d’insolation | 155 | 142 | 124 | 120 | 155 | 180 |
Précipitation | 186 | 169 | 187 | 181 | 186 | 180 |
Humidité/Visibilité | 184 | 165 | 184 | 177 | 179 | 177 |
Paramètre | juillet | août | sep | oct | nov | déc |
Tmax | 1959 | 1969 | 1932 | 1991 | 1931 | 2010 |
Tmin | 1975 | 1973 | 1938 | 2001 | 1938 | 2005 |
Durée d’insolation | 186 | 155 | 180 | 186 | 120 | 155 |
Précipitation | 188 | 190 | 208 | 215 | 210 | 217 |
Humidité/Visibilité | 181 | 183 | 202 | 207 | 204 | 214 |
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. |