inches of mercury | inHg | Google Search: inches of mercury |
millibars | mb | Google Search: millibars to inches of mercury |
Pascals | Pa | Google Search: pascals to inches of mercury |
Under 29.80 inHg | 29.80 to 30.20 inHg | over 30.20 inHg | |
Steady or rising pressure | clearer and cooler weather | present conditions | fair weather will continue |
Slowly falling pressure | rain | little change in the weather | fair weather |
Quickly falling pressure | storm | rain or snow | cloudy and warmer conditions |