id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cord-317138-6nonzjbq	Takagi, Hisato	The higher temperature and ultraviolet, the lower COVID-19 prevalence – Meta-regression of data from large U.S. cities	2020-06-20		.txt	text/plain	593	18	32	As the meteorological conditions, 1) mean temperature (F), total precipitation (inch), mean wind speed (mph), mean sky cover, and mean relative humidity (%) were available from National Weather Service; 2) mean pressure (mb), mean UV index, and total sun hours were obtainable from World Weather Online; and 3) total solar direct normal irradiation (DNI) (kWh/m 2 ) in the average year was procurable from Global Solar Atlas. The present meta-regression suggests that temperature, UV index, sun hours, and solar DNI may be negatively, and wind speed and sky cover may be positively associated with COVID-19 prevalence.	cache/cord-317138-6nonzjbq.txt	txt/cord-317138-6nonzjbq.txt
