- Associated Press - Thursday, January 8, 2015

BISMARCK, N.D. (AP) - The extreme cold in the Northern Plains isn’t setting temperature records, but it is setting atmospheric pressure records.

South Dakota State Climatologist Dennis Todey (TAH’-dee) says high pressure readings usually accompany outbreaks of extreme cold. And on Wednesday, they set records at numerous recording stations around that state. The recording at Mitchell broke South Dakota’s 31-year-old state record.

North Dakota State Climatologist Adnan Akyuz says there were no records in that state, but several readings came close.

Todey and Akyuz say pressure readings don’t mean much to an average person. But they say the transition from a high pressure system Wednesday to a low pressure system resulted in the strong winds across the Dakotas on Thursday.

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