===========+====================+==================================== WIND | BAROMETER REDUCED | CHARACTER OF WEATHER DIRECTION | TO SEA LEVEL | INDICATED -----------+--------------------+------------------------------------ SW. to NW. |30.10 to 30.20 and |Fair, with slight temperature | steady. | changes, for 1 to 2 days. SW. to NW. |30.10 to 30.20 and |Fair, followed within 2 days by | rising rapidly. | rain. SW. to NW. |30.20 and above and |Continued fair, with no decided | stationary. | temperature change. SW. to NW. |30.20 and above and |Slowly rising temperature and fair | falling slowly. | for 2 days. S. to SE. |30.10 to 30.20 and |Rain within 24 hours. | falling slowly. | S. to SE. |30.10 to 30.20 and |Wind increasing in force, with rain | falling rapidly. | within 12 to 24 hours. S. to SW. |30.00 or below and |Clearing within a few hours, and | rising slowly. | fair for several days. S. to E. |29.80 or below and |Severe storm imminent, followed, | falling rapidly. | within 24 hours, by clearing, and | | in winter by colder. SE. to NE. |30.10 to 30.20 and |Rain in 12 to 18 hours. | falling slowly. | SE. to NE. |30.10 to 30.20 and |Increasing wind, and rain within | falling rapidly. | 12 hours. SE. to NE. |30.00 or below and |Rain will continue 1 to 2 days. | falling slowly. | SE. to NE. |30.00 or below and |Rain, with high wind, followed, | falling rapidly. | within 36 hours, by clearing, | | and in winter by colder. E. to NE. |30.10 and above and |In summer, with light winds, rain | falling slowly. | may not fall for several days. | | In winter, rain within 24 hours. E. to NE. |30.10 and above and |In summer, rain probable within | falling rapidly. | 12 to 24 hours. In winter, rain | | or snow, with increasing winds, | | will often set in when the | | barometer begins to fall and the | | wind sets in from the NE. E. to N. |29.80 or below and |Severe northeast gale and heavy | falling rapidly. | precipitation; in winter, heavy | | snow, followed by a cold wave. Going to W.|29.80 or below and |Clearing and colder. | rising rapidly. | ===========+====================+====================================