Number of foggy days per month in Manresa, after the data collected by the meteorological station of La Culla from 1988 to 2007, except years 1997, 1998 and 1999 which register is not complete. The mean annual value is 35 foggy days per year. The foggiest months are October, November and December, at the end of the year, all of them with more than 5 foggy days in average. On the opposite, less than 1 foggy day per month is expected in June, July and August, the months in the middle of the year. The highest scores in the period were achieved in years 1989 and 1990 with 61 and 59 foggy days respectively, and in December 1989 and in February 1990 with half month, respectively 15 and 14 foggy days.
[graph Florenci Vallès]