Our below average streak longest in nearly 3 years

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The Twin Cities has now spent 17 straight days below average dating back to October 27th.  That’s the longest stretch of consecutive sub average days since we had 24 in a row back in February and March of 2015.  During our streak we have had an average temp over 8 degrees below the average daily mean temp, which is the average of both the high and the low.  While temperatures typically tumble pretty quickly when we round out October and head through November, it’s not usually so abrupt.

This stretch of chilly weather feels particularly cool because we don’t spend nearly as much time below average as we used to.  The two graphs above show that pretty clearly.  The first shows the departure from average for every daily temperature this year and it’s pretty clear just how warm we have been… with LONG stretches of warm weather particularly in January and February, much of April, and then again in September and the first half of October.  There were several streaks spending 14 or more days in a row above average. 

The second graph shows the departure from average temperature for every month since 2012.  Two things are very noticeable; That we had a LONG stretch of warmer than average weather from late 2015 to early 2017, and our “never ending winter” of 2013-2014 was really the last time we have spent a significant amount of time below average.

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