Number of days available for climatic review
Parameter | Jan | Feb | Mar | Apr | May | Jun |
Tmax | 1061 | 942 | 1033 | 1059 | 1091 | 1064 |
Tmin | 1064 | 947 | 1027 | 1052 | 1092 | 1065 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 102 | 90 | 125 | 153 | 152 | 129 |
Humidity/Visibility | 79 | 77 | 79 | 102 | 102 | 108 |
Parameter | Jul | Aug | Sep | Oct | Nov | Dec |
Tmax | 1102 | 1103 | 1069 | 1109 | 1068 | 1110 |
Tmin | 1105 | 1105 | 1075 | 1105 | 1064 | 1107 |
Duration of sunshine | 0 | 0 | 0 | 0 | 0 | 0 |
Precipitation | 129 | 126 | 126 | 130 | 137 | 135 |
Humidity/Visibility | 112 | 113 | 113 | 109 | 107 | 115 |
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. |