Perspective On Cold So Far In 2013

Compared to last winter, this winter has been very cold and very snowy. Compared to average, however, this winter overall was warmer but snowier than average. The lingering cold is getting warm weather lovers antsy for spring and summer.

Most in the Tri-State dropped into the low and mid 20s early Monday morning. The luckier spots only dropped into the upper 20s:

apr2-earlyamlows

Monday’s early morning low of 22° at the Cincinnati/Northern Kentucky International Airport is a new record low temperature. Another low temperature will likely be broken Tuesday when we drop to 21° (the current record low temperature is 23°, set in 1992).

It is unusual to be this cold in April. 62% of all days so far in 2013 have featured a high temperature below average in Cincinnati. We’ve had over 2′ of snowfall since last summer in the Queen City. With all of this being considered, it could and has been a lot worse.

When you take the high and low temperature each day and average them, you get the “average temperature.” When you take the average temperature for each day so far this year and average them, you get the year-to-date average temperature. When you take this year’s year-to-date average temperature and compare it to other years, 2013 (so far) is only the 47th coldest year (to date) on record:

apr2-coldestytd

This graph suggests we have have a lot to be thankful for this year…46 reasons! Those of you know who remember the winters of 1976-1977 and 1977-1978 know true cold.

Part of this year being the 47th coldest year-to-date can be blamed on a colder than average March. In fact, March 2013 was the 13th coldest March on record in Cincinnati (average temperatures in the graph are rounded to the nearest tenth):

apr2-coldestmarches

14 of 31 days in March 2013 had a high temperature 10° or more below average. Brief spikes in warmth did little to curve the average up.

While below average temperatures have been common since the year began, there have been relatively few brutally cold nights. We’ve only dropped to 7° twice this year in Cincinnati. Our coldest night of the fall, winter, or spring – including i the last several years – is often near or below 0°:

apr2-coldestfalltospring

There’s no doubt this year has been colder than average so far. We got spoiled last year with the second warmest March on record, a very mild winter, and very little snow. Spring is a season of transition, and this year’s transition from cold to warm will be gradual and come in spurts. Warmer air is coming later this week, and before we all know it, we’ll be complaining about the heat and humidity.

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