Question 1 of 15
Where was the highest air temperature ever officially recorded?
Why: 134°F (56.7°C) at Furnace Creek, July 10, 1913.
Question 2 of 15
What is the coldest temperature ever recorded on Earth?
Why: Vostok Station, Antarctica, July 21, 1983.
Question 3 of 15
Where is Earth's largest annual temperature range?
Why: Verkhoyansk swings from -90°F winter to +100°F summer.
Question 4 of 15
What's the fastest recorded temperature rise?
Why: Spearfish, SD, January 22, 1943 — a Chinook event.
Question 5 of 15
What's the coldest temperature ever recorded in the contiguous US?
Why: Rogers Pass, Montana, January 20, 1954.
Question 6 of 15
What is the coldest inhabited town on Earth?
Why: Oymyakon has hit -90°F; year-round about 500 residents.
Question 7 of 15
What's the hottest inhabited place on Earth by yearly average?
Why: Dallol averages 94°F year-round.
Question 8 of 15
What's the coldest wind chill ever officially recorded?
Why: Prospect Creek, Alaska, 1971.
Question 9 of 15
What is the average surface temperature of Antarctica in winter?
Why: Interior Antarctica averages about -70°F during polar winter.
Question 10 of 15
What is the record for consecutive days above 100°F?
Why: Marble Bar, Australia, 1923-24.
Question 11 of 15
What is 'wet-bulb temperature'?
Why: It represents survivability limits for humans in extreme heat.
Question 12 of 15
At what wet-bulb temperature does human survival become impossible?
Why: Sustained wet-bulb ~35°C is the theoretical limit for survival even with unlimited water and shade.
Question 13 of 15
What is 'urban heat island'?
Why: Cities can be 5-10°F warmer than surrounding rural areas due to concrete and reduced vegetation.
Question 14 of 15
Which continent has the coldest temperature records?
Why: Antarctica has the six lowest ever.
Question 15 of 15
What is the difference between temperature and 'apparent temperature'?
Why: 'Feels like' temperature or apparent temperature accounts for how it feels to the human body.