This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.Īll data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition, by Jean Meeus.Īll other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis. To get a sense of how much these sources agree with each other, you can view a comparison of Kill Devil Hills and the stations that contribute to our estimates of its temperature history and climate. KFFA, 99% 1 mi, 7 ft KONX, 0% 32 mi, 7 ft KECG, 0% 32 mi, 7 ft © OpenStreetMap contributors Elizabeth City Regional Airport (KECG, 0.5%, 32 mi, northwest, 7 ft elevation change).Currituck County Regional Airport (KONX, 0.5%, 32 mi, northwest, 7 ft elevation change).
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