Climatological seasons use the average weather of the year to define when the seasons are. For most places in the United States, June, July and August are the hottest three months of the year, so ...

With the vernal equinox now passed, days will become noticeably longer than nights over the coming weeks. One key to this is the definition of sunrise and sunset. The U.S. Naval Observatory defines ...

Climate change is increasing the frequency and severity of fire weather days. Occasionally, on a breezy but otherwise ...