Weather Data Viewer 2021 VISIT AHR BOOTH B1638 The new online Weather Data Viewer 2021 provides climatic design information for 9,237 weather stations worldwide, including quantities such as dry-bulb temperature, dew-point temperature, wet-bulb temperature, wind speed, and wind direction at various frequencies of occurrence over a long period (8+ years) as well as access to the underlying frequency data for further analysis and visualization. *This is data from RP-1847 that updates the weather data in Chapter 14 of the 2021 ASHRAE HandbookÑFundamentals. A variety of fi gure widgets are available to examine various aspects of the climatic data beyond that in the simple climatic design conditions in the summary PDFs: * Plot single-variable frequency distribution * Joint-variable frequency distribution * Wind speed and direction distribution (wind rose) * Mean-coincident values * Cooling and heating degree-days * Design-days * Diurnal dry-bulb temperature profi le * Return periods * Decadal trends in key design values * Period of record (months used) Learn more and see the many ways to access Weather Data Viewer 2021 by visiting ashrae.org/weatherdatahttp://www.ashrae.org/weatherdata