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hardpressure

The standard pressure lapse rate in the lower atmosphere is approximately:

1 hPa per 8 m (27 ft). Near sea level, pressure decreases approximately 1 hPa for every 27 ft (8 m) of altitude gain.

1 hPa per 8 m (27 ft)

1 hPa per 30 m (100 ft)

1 hPa per 100 m (330 ft)

1 hPa per 300 m (1000 ft)

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