1. Pressure is defined as force per unit area that a fluid exerts on its surroundings.[1] For example, pressure, P, is a function of force, F, and area, A. P = F/A. A container full of gas contains innumerable atoms and molecules that are constantly bouncing of its walls.
Length of the day in Sydney is 10:03 hours. Civil twilight begins at 06:32:04 and ends at 17:29:15 hours. Nautical twilight in Sydney begins at 06:01:11 and ends at 18:00:08 hours. Astronomical twilight in Sydney begins at 05:30:58 and ends at 18:30:20 hours.
Weather in Sydney. Sydney enjoys a sunny, Mediterranean-style climate all year round with more than 340 sunny days per year. Summers are warm to hot and winters are mild, with rainfall spread fairly evenly throughout the year.In summer (December-February), average maximum temperatures are around 26Â°C.It can also be humid at this time with an average humidity of 65 per cent. Average maximum temperatures in the winter months (June-August) are around 16Â°C. Sydneyâs rainfall is highest between March and June.ere you will find some information on temperature, rainfall and seasonal activities to help you plan your holiday in Sydney. Summer (December â February) in Sydney means enjoying the great outdoors. January is usually the warmest month in Sydney with an average temperature range of 18.6 â 25.8 Â°C.