Climate Challenge Week: Temperature extremes show warming of Detroit’s climate Answering common questions about climate change each day of Earth Week Tags: Happy Earth Week and Earth Day! Teaming up with NBC’s Climate Challenge week, Local 4 meteorologist Paul Gross will answer the most-asked questions about climate change all week long. On Thursday, we’re addressing how climate change has impacted Metro Detroit’s climate. To understand climate change’s impact on Detroit’s specific climate, we’re looking at temperature extremes -- or the hottest and coldest temperatures experienced -- over the last few decades. If Detroit’s climate had remained stable over the past 150 years, then the ratio of record warmth to record cold would be nearly 1-to-1. But that’s not the case.