The warm weather on Thursday felt amazing with all of Iowa enjoying above freezing air temperatures for the first time since mid January. For Waterloo, the high of 38°F was the first temperature above freezing since 16 January, making for a 19 day streak of sub freezing temperatures. The featured chart presents the longest such streaks each cold season with the top 20 largest listed out to the side. A simple long term average is around 16 days, so the recently ended streak was not too much larger than average. The top two longest streaks are certainly notable as the winters of 1978 and 1979 were both rather brutal for Iowa. This year's streak was the longest since 2007 though. Unfortunately, there is still time this winter season to accumulate a longer streak as one of the top 20 events is shown to stretch well into March, but fortunately the near term forecast has plenty of warm weather first prior to potentially starting any such streak anew.

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