After a chilly April, record warm May for Central Ohio

Cbus Weather Nerd
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May did officially finish as the warmest on record here in Columbus.  It was not even close too, we were nearly 1 degree above normal for the entire month.

Above I put together a chart that shows how we had a warm start and never looked back.  In the chart, it shows the rolling average for May 2018 (green), the previous record May, in 1991 (red), and at the bottom (in yellow) is the average temperature for May.

The thing that stands out the most about this chart, is how we started off pretty much in record territory, and never looked back.  It helped that we had such warm nights and very warm afternoons.

Some of the incredible stats from our record May 2018

  • The 71.7° average temperature was the warmest on record for May
  • 71.7° was 0.9° above the previous record, and 9.2° above normal
  • The 82.6° average high temp was the warmest on record for May
  • 82.6° high temp average was 0.8° above the previous record May high (1991)
  • The 60.8° average low temp was the warmest on record for May
  • 60.8° low temp average was 0.9° above the previous record for May lows (1991)
  •  
  • The warmest temp for the month was 91°
  • 91° ranks as the 22nd warmest May monthly high temp
  • The coldest temp for the month was 44°
  • 44° ranks as the 7th warmest May monthly low temp
  •  
  • We had 2 days in the 90s
  • We had 22 days in the 80s
  • We had 6 days in the 70s
  • We had 1 day in the 60s
  •  
  • We had 2 nights in the 40s
  • We had 10 nights in the 50s
  • We had 17 nights in the 60s
  • We had 2 nights in the 70s

This isn’t exactly a pattern for 2018 so far

Temperature wise, we are running about 0.76° above normal for the year, but it has been quite an up and down year.

  • January’s average temp was 27.3° (-2.3°) ranked 89th warmest on record
  • February’s average temp was 38.8° (+6.0°) ranked 8th warmest on record
  • March’s average temp was 38.5° (-3.4°) ranked 86th warmest on record
  • April’s average temp was 47.7° (-5.4°) ranked 127th warmest on record
  • May’s average temp was 71.7° (+9.2°) ranked 1st warmest on record
  •  
  • January had 2.39″ (-0.34″) of precip. (10.5″ of snow)
  • February had 5.25″ (+3.0″) of precip. (6.0″ of snow)
  • March had 2.96″ (-0.06″) of precip. (3.2″ of snow)
  • April had 5.23″ (+1.38″) of precip. (2.9″ of snow)
  • May had 4.55″ (+0.38″) of precip.

We also had 31 straight days of above normal temperatures in May.  That is correct, every single day was above normal.

If you have any questions about temps, climate, or any other weather, email me, dmazza@wcmh.com

-Dave

Copyright 2019 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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