The Texas, Oklahoma, Mexico heatwave and drought last year, Moscow the year before and Europe in 2003, were all exceptional events, more than three standard deviations outside the norm.
Toplinski val i suša u Teksasu, Oklahomi i Meksiku prošle godine, Moskva godinu prije toga i Europa 2003., sve su to bili izuzetni događaji s više od tri standardne devijacije van norme.