So in general, regarding perishable foods like meat, most dairy, unshelled eggs and shell eggs (in the US) , cooked casseroles, and so on: if the food (or its perishable components) have been at room temperature for more than two hours, you should discard that food.
This directly effects how comfortable it will feel outside. Many times, relative humidity can be misleading. For example, a temperature of 30 and a dew point of 30 will give you a relative humidity of 100%, but a temperature of 80 and a dew point of 60 produces a relative humidity of 50%.
Lower humidity can cause your heating system to work harder in the winter months. There must be a balance of humidity in your home to make it a comfortable place and preserve your interior as well as you heating and air conditioning systems. During summer months, homes should have between 30 and 45 percent humidity. During the winter, humidity levels should be kept between 45 and 55 percent humidity. How can I regulate my home humidity? The following are some ideas on how you can help to balance your homeâs humidity: Install an inside weather station that measures humidity in your home.