The weekend’s relentless rain brought a month’s worth of precipitation in 48 hours, and along with floods, hail, thunder, lightning and howling wind, left much of New Jersey in a state of monumental misery. Just weeks after breaking a 130-year-old record for snowfall, the Garden State buckled under the mid-March nor’easter. Two Teaneck men were killed Saturday when a tree fell on them. Continued power outages, train delays, closed roads and swollen rivers had police, utility and emergency medical personnel scrambling.