..Which is quite remarkable considering that we here in Eastern New England were running substantial deficits before this pattern change took place. Some locales were officially in short-term drought status and are by cause of this recent event suddenly above average! Amazing... Some places in N central Ma and S Nh have reported 12"+ since last Friday and many towns in those areas have flash-flood related damage to properties and road infractructures. There was even 1 fatality and some injuries, as well - sadly.
http://www.erh.noaa.gov/box/climate/pns/OCT7-9_2005 ....show some rain total numbers. Note, many of these locales were bone dry and running severe water shortages before hand.

It was really a slow moving cold front with copious tropical ingest running right up and over the top as the surface boundary oozed across the area - shallow air mass and absolutely shocking isentropic lift (stuff cut out for sci-fi). The fun part is, it's still raining!