IEM Daily Feature
Monday, 20 November 2017

Been cold since first freeze

Posted: 20 Nov 2017 05:34 AM

Since the first freeze of the season finally happened for places like Ames in late October, the temperatures have been rather chilly since. The featured chart looks at what we would expect to see after the first fall sub 32 degree temperature. The top panel shows the maximum high temperature following said date. The middle panel shows the combination of first fall sub 32 date and the subsequent max high. The bottom panel shows the number of 60+ degree high temperature days following said date each year. This year's max high is near the lowest on record and we have seen zero days 60+ so far. There are a few warm days in the forecast for this week, so we'll likely see the warmest temperatures since the freeze and maybe even a high above 60 degrees.

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