Weather Almanac  January 31

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On this date in 1989, the highest barometric pressure reading ever recorded in North America occurred at Northway, Alaska. The temperature at the time was about 46 below zero. The barometric pressure reached 31.85 inches (1078.4 millibars), a measurement surpassed only by two readings in Siberia: 32.06 in 1968, and 31.86 in 1900.