Number of days available for climatic review
Parameter | Jan | Feb | Mar | Apr | May | Jun |
Tmax | 1994 | 1805 | 1997 | 1930 | 1990 | 1935 |
Tmin | 1990 | 1814 | 1994 | 1924 | 1987 | 1934 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 151 | 129 | 147 | 144 | 144 | 144 |
Humidity/Visibility | 97 | 95 | 107 | 110 | 106 | 112 |
Parameter | Jul | Aug | Sep | Oct | Nov | Dec |
Tmax | 1997 | 2003 | 1942 | 2002 | 1944 | 2000 |
Tmin | 2006 | 2009 | 1946 | 1995 | 1936 | 1998 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 160 | 198 | 211 | 204 | 199 | 181 |
Humidity/Visibility | 122 | 151 | 149 | 145 | 147 | 130 |
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. |