Daily meteorological observations from Brazilian observatories, 1883–1890, transcribed from printed nineteenth-century tables by an open 2B model running offline, with every row carrying its provenance and a quality verdict. readings a day), air temperature (mean, max, min, in-shelter and unsheltered), vapour tension, relative humidity, wind direction and force, cloudiness, rainfall, evaporation, ozone, and for Cuyabá the height of the Rio Cuyabá. Each row is one printed line: valuesasprinted (what the page shows, no silent correction), values (the publication's conventions undone in code, e.g. the barometer's elided leading digit restored), markers (words the page prints instead of a…