The dry adiabatic rate (DAR)applies to a moving parcel of air that is saturated,and it may vary from 4 C° to 10 C° per 1000 m.

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The dry adiabatic rate applies to unsaturated air, and it is constant at 10 C° per 1000 m. The lapse rate for saturated air is called the moist adiabatic rate and varies between 4 C° to 9 C° per 1000 m, depending on various factors like temperature and humidity.

The Dry Adiabatic Rate (DAR)applies to a Moving Parcel of Air