Climatic conditions observed in Belgium during the experimental year (from February 2011 to January 2012) and typical monthly climatic values.

These data were obtained from observation measurements collected at a station of the Royal Belgian Meteorological Institute (KMI-IRM) located in Uccle (45 km from Gembloux).n, normal conditions.a, abnormal conditions (phenomenon equal to or exceeded every 6 years).va, very abnormal conditions (phenomenon equal to or exceeded every 10 years).e, exceptional conditions (phenomenon equal to or exceeded every 30 years).ve, very exceptional conditions (phenomenon equal to or exceeded every 100 years).(a)typical values were calculated over a 30 years period which ends up the year preceding the one considered.