Springfield, Oregon of Springfield that stated, in part "Yo to Springfield, Oregon – the real Springfield." In April 2012, Groening confirmed to "Smithsonian" magazine that he named the fictional Springfield after Springfield, Oregon. He also confirmed that he intentionally left it a secret to allow people the enjoyment of assuming it was based on their own Springfield. This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above . According to the Köppen Climate Classification system, Springfield has a warm-summer Mediterranean climate, abbreviated "Csb" on climate maps. Springfield, Oregon Springfield is a city in Lane County, Oregon,
Springfield Up Springfield Up "Springfield Up" is the thirteenth episode of the eighteenth season of "The Simpsons". It originally aired on the Fox network in the United States on February 18, 2007. In the episode, filmmaker Declan Desmond (Eric Idle) returns to Springfield to film the continuation of his documentary series "Growing Up Springfield", which chronicles the lives of several Springfield residents. He visits the town with a film crew every eight years to see how the lives of these people have changed, a plot which parodies "Up Series" in Britain. "Springfield Up" has received generally positive reviews from critics. Eccentric documentary