Number of days available for climatic review
Parameter | Jan | Feb | Mar | Apr | May | Jun |
Tmax | 1052 | 946 | 1072 | 1045 | 1083 | 1048 |
Tmin | 1041 | 929 | 1049 | 1047 | 1084 | 1047 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 128 | 115 | 150 | 153 | 155 | 150 |
Humidity/Visibility | 74 | 61 | 83 | 83 | 84 | 81 |
Parameter | Jul | Aug | Sep | Oct | Nov | Dec |
Tmax | 1073 | 1073 | 1046 | 1079 | 1049 | 1055 |
Tmin | 1075 | 1074 | 1044 | 1076 | 1041 | 1056 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 157 | 155 | 150 | 153 | 150 | 134 |
Humidity/Visibility | 78 | 79 | 84 | 85 | 88 | 76 |
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. |