City Questions>Water vapor pressure>Saint Petersburg City of St. Petersburg water vapor pressure (monthly water vapor pressure in Saint Petersburg, City of St. Petersburg)-Russia

The average annual water vapor pressure value for Saint Petersburg City of St. Petersburg over the past 30 years is 9 kPa (kilopascals).

In city of Saint Petersburg City of St. Petersburg, the water vapor pressure in January is 0.3 kPa; The water vapor pressure in February is 0.29 kPa; The water vapor pressure in March is 0.38 kPa; The water vapor pressure in April is 0.56 kPa; The water vapor pressure in May is 0.8 kPa; The water vapor pressure in June is 1.21 kPa; The water vapor pressure in July is 1.44 kPa; The water vapor pressure in August is 1.37 kPa; The water vapor pressure in September is 0.99 kPa; The water vapor pressure in October is 0.74 kPa; The water vapor pressure in November is 0.54 kPa; The water vapor pressure in December is 0.38 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: Saint Petersburg, City of St. Petersburg, Russia.

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