The average annual water vapor pressure value for Qalah-ye Shahr Sari Pul over the past 30 years is 5.69 kPa (kilopascals).
In city of Qalah-ye Shahr Sari Pul, the water vapor pressure in January is 0.25 kPa; The water vapor pressure in February is 0.27 kPa; The water vapor pressure in March is 0.4 kPa; The water vapor pressure in April is 0.58 kPa; The water vapor pressure in May is 0.65 kPa; The water vapor pressure in June is 0.67 kPa; The water vapor pressure in July is 0.7 kPa; The water vapor pressure in August is 0.65 kPa; The water vapor pressure in September is 0.46 kPa; The water vapor pressure in October is 0.42 kPa; The water vapor pressure in November is 0.32 kPa; The water vapor pressure in December is 0.32 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: Qalah-ye Shahr, Sari Pul, Afghanistan.