Number of days available for climatic review
| Παράμετρος | Ιαν | Φεβ | Μαρ | Απρ | Ιουν | Ιουλ |
| Tmax | 847 | 750 | 839 | 815 | 829 | 808 |
| Tmin | 851 | 764 | 846 | 826 | 854 | 827 |
| Διάρκεια Ηλιοφάνειας | 248 | 226 | 217 | 210 | 279 | 270 |
| Υετός | 766 | 693 | 759 | 744 | 777 | 749 |
| Υγρασία/Ορατότητα | 172 | 145 | 167 | 165 | 165 | 166 |
| Παράμετρος | Αυγ | Σεπ | Οκτ | Νοε | Δεκ | (null) |
| Tmax | 834 | 842 | 831 | 867 | 833 | 877 |
| Tmin | 846 | 856 | 863 | 886 | 845 | 883 |
| Διάρκεια Ηλιοφάνειας | 279 | 279 | 270 | 248 | 240 | 217 |
| Υετός | 772 | 770 | 779 | 798 | 777 | 798 |
| Υγρασία/Ορατότητα | 170 | 171 | 193 | 199 | 181 | 201 |
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. |
Agalega Isl