The average annual water vapor pressure value for Richard-Toll Saint-Louis over the past 30 years is 19.82 kPa (kilopascals).
In city of Richard-Toll Saint-Louis, the water vapor pressure in January is 0.84 kPa; The water vapor pressure in February is 0.89 kPa; The water vapor pressure in March is 1.06 kPa; The water vapor pressure in April is 1.27 kPa; The water vapor pressure in May is 1.53 kPa; The water vapor pressure in June is 2.04 kPa; The water vapor pressure in July is 2.48 kPa; The water vapor pressure in August is 2.74 kPa; The water vapor pressure in September is 2.73 kPa; The water vapor pressure in October is 1.99 kPa; The water vapor pressure in November is 1.27 kPa; The water vapor pressure in December is 0.98 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: Richard-Toll, Saint-Louis, Senegal.