Dear Tom,
On the evening of Aug. 10 I was checking the weather for many cities coast to coast and they were all 79 degrees. Is that rare and is it more likely to occur in summer?
Norman Alexandroff
Dear Norman,
Having a large expanse of uniform temperatures across the nation is quite unusual and would be far more likely to occur in summer than any other time of the year. Temperature contrasts are almost always greater in the winter with arctic air and snow cover much more frequent across the northern states. Summer's sluggish weather patterns are more conducive to smaller temperature ranges -- especially at night when sunshine is not a factor. Conditions that would bring similar temperatures on a regional basis are far more common and can occur throughout the year given the right conditions.
On the evening of Aug. 10 I was checking the weather for many cities coast to coast and they were all 79 degrees. Is that rare and is it more likely to occur in summer?
Norman Alexandroff
Dear Norman,
Having a large expanse of uniform temperatures across the nation is quite unusual and would be far more likely to occur in summer than any other time of the year. Temperature contrasts are almost always greater in the winter with arctic air and snow cover much more frequent across the northern states. Summer's sluggish weather patterns are more conducive to smaller temperature ranges -- especially at night when sunshine is not a factor. Conditions that would bring similar temperatures on a regional basis are far more common and can occur throughout the year given the right conditions.
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