A broiling heat wave that scorched much of the eastern United States has set hundreds of heat records.
That's according to a tally kept by Weather.com meteorologist Jonathan Erdman and seconded by AccuWeather, which reports June 24 was the hottest day in more than a decade for millions of residents across the Northeast.
While triple-digit heat records attract the most attention, overnight low temperature readings reveal just how hot and dangerous the last few days have been. When these numbers are high, it means people, roads and buildings don't get the chance to cool adequately overnight.
High overnight temperatures are a hallmark of the warming climate and longer heat waves. Several all-time records for warm overnight lows were set or tied over the past several days:
Meanwhile, some places in Maine and New York reached all-time record high heat.
