How hot was it? The National Weather Service's thermometer downtown reached 113 degrees for the first time since records began being kept in 1877 — and then stopped working. The record highs follow a summer of record lows. It was so hot Monday that it broke the all-time record — and the weatherman's thermometer. The National Weather Service's thermometer for downtown Los Angeles headed into uncharted territory at 12:15 p.m. Monday, reaching 113 degrees for the first time since records began being kept in 1877. Shortly after that banner moment, the temperature dipped back to 111, and then climbed back...