On average less than 10 record high and low temperatures are set in any one location each year and for most locations the average is less than 5. Of course, the length of time that records have been kept has a major impact on this. Many locations in the United State have kept high and low temperature records for more than a century. Philadelphia’s records are about 150 years old. The longest continuous record keeping of record high and low temperatures belongs to Hadley Centre in England. In 1659 they first started the record daily high and low temperatures and have not stopped since. In the United states a record for heat or cold is set once every other month. It is an unusual occurrence. But on November 12, 1911 in Buffalo, New York a remarkable thing happened, a record high and low on the same day. 69 degrees just after midnight on the 12th was the highest ever recorded on that date, then a strong cold front came through and dropped the temperature to 22 degrees late that evening. Both records. Two in one day.
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