Water only two feet deep will carry away most cars in a flooding situation. During the summer of 1993, the worst flood in history hit the Mississippi River valley. Being just three degrees above zero, it is the coldest temperature possible. The heat index combines the air temperature and relative humidity to determine an apparent temperature. Multiply the answer by five and divide by nine.
Wind chill combines temperature and wind to show how much colder the wind makes exposed skin feel.
The lowest temperature ever recorded was -127F in Vostak, Antarctica. The highest record temperature was 136F in El Aziza, Lybia, 1922. Aurora, IL set a new stare record of 17 inches of rain within 24 hours in 1996. The village of Cherrapunji, India holds the world record of 1,042 inches of rain in one year. Death Valley maintains the record of 134 consecutive days of temperatures over 100 degrees.