weather.csv: daily weather of 14 cities, 2023-01-01 to 2025-12-31, fetched on 2026-11-07.

Source: Open-Meteo Historical Weather API, https://open-meteo.com/ ("best match": ECMWF IFS, ERA5, ERA5-Land)
Licence: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/
Attribution: Weather data by Open-Meteo.com. Contains modified Copernicus Climate Change Service
information 2023 (ERA5) and 2019 (ERA5-Land), and ECMWF IFS data. Neither the European Commission
nor ECMWF is responsible for any use that may be made of the Copernicus information or data it
contains.

Changes made: the five daily variables of 14 cities in each city's time zone; sunshine converted from
seconds to hours (one decimal); added: city, country, continent, the meteorological season (swapped
south of the equator) and "Rain day" (1 for at least 1 mm of rain).

How it was fetched and mapped: https://github.com/eizedev/pivotkit/blob/main/examples/playground/data/SOURCES.md
Share the data with this attribution and licence.