Daryl Ritchison, WDAY, Published December 11 2012
Weather Talk: Two below-zero days recorded this winterThis past Sunday evening, Dec. 9, the temperature dropped below zero for the first time this season. Last year we also recorded our first negative temperature of the season on Dec. 9, although it occurred during the more traditional early morning hours.
The long-term average date for such an occurrence is Nov. 28. Not only has the first below-zero temperature of the year occurred later than average the past two years, that has been a trend in recent years. Only three times in the past 13 years has our first negative occurred earlier than the average, although it should be noted that in almost all of those years the first negative temperature occurred during the early part of December. Because the temperature dropped below zero Sunday evening and it remained below zero into Monday morning, we have now recorded two below-zero days this winter. Our cold-season average is 48 such days.
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