Saturday's Brutal Heat, By the Numbers

A forecast of extreme heat in Narberth-Bala Cynwyd Patch on Saturday has prompted an Excessive Heat Warning from the National Weather Service and a Code Red warning from Montgomery County (attached in PDF form to this article).

Here are a few numbers for reference:

• 87: The average high temperature, historically, for the date July 7, according to NWS records
• 101: Saturday's forecast high from the NWS (as of Friday evening)
• 102: The forecast high from The Weather Channel
• 103: The forecast high from NBC Philadelphia
• 103: The record high for any July 7 in Philadelphia-area history, according to NWS records — it was observed July 7, 2010
• 106: The highest recorded temperature in the area since 1873 — it was observed Aug. 7, 1918
• 78: Forecast low Saturday night
• 30: Percent chance of rain Saturday night