Tokyo Haneda's lowest temperature will not be 23°C on August 16 according to the Daily Observations table on Wunderground. The station has shown swingy overnight numbers this month with a 72°F (22.2°C) low on August 11, 74°F (23.3°C) on August 12, and 75°F (23.8°C) with 1.07 inches of rain on Augus…