With 0.01" of rain being recorded this morning between 08:00 and 09:00 am the dry spell in downtown San Francisco has ended at 43 days. The last measurable rain in SF was recorded on December 24, 2014 making this the second longest winter dry spell since records began during the Gold Rush in 1849. The record is 60 consecutive days set between November 17, 1876 and January 15, 1877.
Jan Null, CCM
Golden Gate Weather Services
http://ggweather.com