John Wheeler, WDAY, Published September 11 2012
Weather Talk: Extraordinarily warm nights stand out in summer of 2012The high temperature reached 91 degrees at Hector International Airport on Monday. That was the 24th time this year the temperature has reached at least 90 degrees, which is about double the average number of 90-degree days in a year.
Although this is an above-average number of 90-degree days, it is not an outstanding number. The record number of 90-degree days in a summer is 39, set in 1988. Although the average temperature for the three summer months of June through August this year ranks as the fourth warmest, there has not been an unusual number of hot days.
The high ranking for average temperature is due to a very high average of daily low temperatures. This has been a summer of warm days, but also of extraordinarily warm nights.
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