The average annual water vapor pressure value for Birkeland Aust-Agder over the past 30 years is 9.63 kPa (kilopascals).
In city of Birkeland Aust-Agder, the water vapor pressure in January is 0.49 kPa; The water vapor pressure in February is 0.46 kPa; The water vapor pressure in March is 0.53 kPa; The water vapor pressure in April is 0.6 kPa; The water vapor pressure in May is 0.84 kPa; The water vapor pressure in June is 1.11 kPa; The water vapor pressure in July is 1.26 kPa; The water vapor pressure in August is 1.28 kPa; The water vapor pressure in September is 1.05 kPa; The water vapor pressure in October is 0.83 kPa; The water vapor pressure in November is 0.65 kPa; The water vapor pressure in December is 0.53 kPa.
The vapour pressure of water is the pressure exerted by molecules of water vapor in gaseous form (whether pure or in a mixture with other gases such as air). The saturation vapour pressure is the pressure at which water vapour is in thermodynamic equilibrium with its condensed state.
Address: Birkeland, Aust-Agder, Norway.