See also: Dealing with Breathing Problems written for patients. The term hyperventilation describes excessive ventilation of the lungs, beyond what is required to achieve normal arterial blood gases.
A light frost occurs when the temperature drops to below 32 degrees Fahrenheit, and refers to the conditions that allow a layer of ice crystals to form when water vapor condenses and freezes without first becoming dew. Harvest basil and other tender herbs before a light frost (when the temperature drops to 32 degrees Fahrenheit). 2  Even if they survive the frost, they don't do well in cold temperatures. 3  The same is true for most annuals.
Frost may occur overnight, but it often forms at sunrise, before the temperature begins to rise. Frost formation on grass is possible in any location in which the bladesâ temperature falls to 32 or below, including warm weather states such as Florida, California and Arizona.For example, overnight frost may form on an Arizona course on days when the high temperature reaches 70.rost formation on grass is possible in any location in which the bladesâ temperature falls to 32 or below, including warm weather states such as Florida, California and Arizona. For example, overnight frost may form on an Arizona course on days when the high temperature reaches 70.