The heat is on as we prepare for the longest and hottest day of the year. Friday marks the official start to summer, and it comes in hot. Quite literally. High temperatures across the state today are expected to climb well above average,

Forecasters say the intense heat will crank up Friday with high peaks between 98 degrees to 104 degrees across most of the state’s lower elevations.

As Denver goes under a heat advisory for triple-digit temperatures, how often does the Mile High City reach the century mark? We dive into the weather records.