Dew point observations from the Colaba Observatory, Bombay [Mumbai], India Table of monthly mean temperatures of the dew point, from observations made at the Meteorological Observatory at Bombay. Means of morning and afternoon readings, January-December. Columns for Daniell's hygrometer, Regnault's hygrometer [out of order August-December], by Glaisher's tables, and by Apjohn's tables. Headed: 'Meteorological Observatory at Bombay. Table shewing the monthly mean temperatures...by the different methods of observation and calculations during the year 1858'. 1859 [?]