O'Hare Low Missed 54 to 55°F Range

The lowest temperature at Chicago O'Hare International Airport missed the 54 to 55°F range on November 1. Routine hourly METAR observations recorded a low of 52°F at 4:51 AM, even though earlier reports showed 54°F at 12:51 AM and 1:51 AM with a 45°F dew point and winds from WNW at 7 mph and E at 5…