Meteorological observations at Naples [Italy], by Nicolaus Cyrillus Tables of meteorological observations record the record the dates of readings [by Gregorian and Julian calendars], barometrical pressure [from February 1726], temperature, wind direction and speed, general weather observations, and rainfall; with a final column noting the activity of the volcano Vesuvius. The observations commence on 1 January 1726 and end on 11 January 1727 [12 January 1725 and end on 31 December 1726]. In response to the paper: 'Invitatio ad observationes meteorologicas communi consilio instituendas', by James Jurin, Philosophical Transactions of the Royal Society, v.32 (1723), pp.422-427. Headed: 'Diarium Meteorologicum Neapolitanum Anni MDCCXXVI'. 12 January 1726-11 January 1727