The average annual water vapor pressure value for Tarkhovka City of St. Petersburg over the past 30 years is 9 kPa (kilopascals).
In city of Tarkhovka City of St. Petersburg, the water vapor pressure in January is 0.3 kPa; The water vapor pressure in February is 0.28 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 0.79 kPa; The water vapor pressure in June is 1.2 kPa; The water vapor pressure in July is 1.44 kPa; The water vapor pressure in August is 1.38 kPa; The water vapor pressure in September is 1 kPa; The water vapor pressure in October is 0.74 kPa; The water vapor pressure in November is 0.55 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: Tarkhovka, City of St. Petersburg, Russia.
Odda Hordaland water vapor pressure (monthly water vapor pressure in Odda, Hordaland)-Norway
Bugry Leningrad water vapor pressure (monthly water vapor pressure in Bugry, Leningrad)-Russia
Karis Uusimaa water vapor pressure (monthly water vapor pressure in Karis, Uusimaa)-Finland
Gjerdrum Akershus water vapor pressure (monthly water vapor pressure in Gjerdrum, Akershus)-Norway