wˌɛɹ ɪz ðɪ ˌiːkwɪlˈɪbɹiəm ɔːɹ sˌætʃɚɹˈeɪʃən vˈeɪpɚ pɹˈɛʃɚɹ ɪn ˈeɪtʃ pˈɑː, ænd ɪz tˈɛmpɹɪtʃɚɹ ɪn dᵻɡɹˈiːz sˈɛlsɪəs.
(where  is the equilibrium or saturation vapor pressure in hPa, and  is temperature in degrees Celsius).