A true chill, or rigor, results from an increase in chemical activity within the body and usually ushers in a considerable rise in body temperature. The pallor and coldness of a chill, and the piloerection of the skin (goose flesh) that often accompanies it, are caused by constriction of the peripheral blood vessels.
The city averages only 1 day per year with rainfall above 1/2 inch in one day Nevada possesses 22 of the Top 25 driest years for any state.The record driest year was 1929, when the state averaged only 4.88 inches of rainfall. Nevada Tornado Average - 1.0 per year - 45th most in the U.S. 2  Largest reported Tornado in Nevada from 1950-2011, 5/13/1970 - 440 yards / .25 miles wide. 3  Date with highest number of reported Tornadoes in Nevada from 1950-2011, June 11th - 3 tornadoes.
The most common forms of precipitation you can expect for Las Vegas in this month are light rain, moderate rain and heavy rain. Across February, the city sees an average of 24mm/1 inch of rainfall which is spread out between six rainy days. During February, Las Vegas enjoys an average of nine hours of sunshine each day.