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By Steven Strouss

PHILADELPHIA (CBS) – The high temperature in Philadelphia climbed to 92 degrees today but the mercury will soar even higher during the next several days.

Our 2nd heat wave of the summer is officially underway. An Excessive Heat Warning is in effect Friday through Sunday for Philadelphia and surrounding counties. Heat Advisories will also take effect for the rest of our region. With high humidity, Heat Index values can exceed 100 degrees each afternoon.

We will climb up to 99 degrees in the city on Friday, but the record high temperature in Philadelphia is 102 degrees set in 1934. 2010 was one of the hottest summers in Philadelphia with 55 days at or above 90 degrees. In 2011, Philadelphia experienced 33 days at or above 90 degrees. This summer, we are forecasting 23-27 Days at or above 90 degrees.

This heat wave will be the longest and most intense of the summer so far. Be sure to stay in cool places, check on elderly, children and pets and of course stay hydrated.

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