 Mayor Michael Bloomberg advised residents to open their windows, drink plenty of liquids to avoid heat stroke in the heat, and not to forget their pets.Temperatures were with high humidity, as New York had just experienced a record-breaking rain spell that had started at the end of July.With cell phone operation mostly stalled by circuit overloads, New Yorkers were lining up 10 deep or more at pay phones as ordinary telephone service remained largely unaffected.