build a system for processing temperatures to detect whether someone was showing signs of infection. A fever is one of the signs of infection. The system in question has several thousand patients and their temperatures are taken every hour. Over the course of the day a person's temperature fluctuates as much as 1 degree in response to activity, and not everyone starts out at the same temperature. Some individuals are warmer than others, and it can vary as much 1 degree from person to person. In addition, how you take a temperatures in Celsius or Fahrenheit, and if you are serious about your temperatures, kelvin.