New FBI headquarters faces prospect of indefinite delay

Why do some temperature records endure?


The human brain is wired to seek patterns in its environment. From babyhood we look for faces, and see them everywhere – in clouds, wallpaper, even rock profiles. I see and wonder about patterns in weather statistics.

 For example, why have 10 of the 30 record-high daily minimum temperatures for Baltimore in September endured since the 1800s?

One streak of four from 1881 still stands: From Sept. 27 to 30, the daily low never fell below 73.

And 24 of the 30 records were set before 1933. Why?

(PHOTO: New Hampshire's Old Man of the Mountains. The profile collapsed in 2003. Wikipedia Commons)

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