wˌɛɹ tˈiː ɪz ðə tˈɛmpɹɪtʃɚɹ ɪn dᵻɡɹˈiːz sˈiː bˈeɪst ˌɔn ɐ lˈiːstskwˈɛɹz fˈɪt fɚɹɚ ɹˈeɪndʒ ʌv tˈɛmpɹɪtʃɚ vˈæljuːz bᵻtwˌiːn nˈaɪn dᵻɡɹˈiːz sˈiː ænd twˈɛnti nˈaɪn dᵻɡɹˈiːz sˈiː, wɪð ɐ stˈændɚd dˌiːvɪˈeɪʃən ʌv plˈʌs ɔːɹ mˈaɪnəs zˈiəɹoʊ.sˈɪks dᵻɡɹˈiːz sˈiː, ænd dˈɛltə ɪz dˈɛltə ˈeɪtiːn ˈoʊ fɚɹə kˈælsiəm kˈɑːɹbənˌeɪt sˈæmpəl.
where T is the temperature in °C (based on a least-squares fit for a range of temperature values between 9 °C and 29 °C, with a standard deviation of ±0.6 °C, and δ is δ18O for a calcium carbonate sample).