December 15 Sharp Temperature Drop

A powerful cold front brought temperatures crashing down during the early morning hours of December 15 across Central Indiana. Temperatures fell as much as 45 degrees in a 13 hour period across parts of the area. Below are examples of the fall, along with temperature graphs for selected cities across Central Indiana (graphs are 3 day graphs from Friday Dec. 12 evening to Monday Dec 15 evening):

At Lafayette, the temperature at 1:02 AM was 57 degrees, the high for the day. Just before 2:00 AM, the temperature had slipped to 54. Just after 2:15 AM, readings had fallen to 39 degrees, and by 6:00 AM the temperature had fallen to 22 degrees. Just before 2:00 PM, Lafayette was at 12 degrees.

Graph of Lafayette Temperature Fall

At Indianapolis, around 3:30 AM, the temperature was 56 degrees. By 6:00 AM, readings had fallen to 35 degrees, and by 9:00 AM it was 22 degrees. Just after 6:00 PM, temperatures had fallen to 16 degrees.

Graph of Indianapolis Temperature Fall

At Terre Haute, at 2:00 AM, the temperature was 57 degrees. By 3:30 AM, readings had fallen to 39 degrees. At 6:00 AM, the thermometer indicated 28 degrees, and by a little past 1:30 PM, Terre Haute was at 15 degrees.

Graph of Terre Haute Temperature Fall

At Bloomington, not long before 4:00 AM, the temperature was 56 degrees. At 6:00 AM, readings had fallen to 36 degrees. By 2:00 PM, Bloomington was at 18 degrees.

Graph of Bloomington Temperature Fall

Graphs courtesy of the Louisville, KY NWS Office.

Return to News Archive is the U.S. government's official web portal to all federal, state and local government web resources and services.