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 Armory approved the site of the Springfield Armory, after it was referred to him by General Henry Knox, his artillery chief. Although a small town at the time, Springfield, Massachusetts, offered obvious geographical advantages—it lay at the intersection of three rivers (including the major Connecticut River), and four major roads headed toward New York City, Boston, Albany, and Montreal. Additionally, Springfield is located just north of the Connecticut River's first waterfall (Enfield Falls), which is too steep to be navigated by ocean-going vessels. Thus, Springfield was the first town on the Connecticut River protected from attack by seafaring naval vessels. The