
San Francisco Storm History
Over the years San Francisco has seen a number of different types of storms. One of the best places to view all the records of storms that took place in San Francisco is at google.com which provides you with a detail graph that shows the number of storms that took place each year.
In addition, one can segregate their search by looking at different time frames such as 1980 to 2000 or 2000 to 2009 or even as old as 1840 to 1860.
http://www.google.com/search?q=san+francisco+storm+history&hl=en&sa=G&tbo=p&tbs=tl:1,tll:2000,tlh:2019&ei=FO4MS-2rPM7xkAXs87iNBA&oi=timeline_histogram_nav&ct=timeline-histogram&cd=9&ved=0CBEQyQEoCQ

