HEATWAVE
| Date | Clue |
|---|---|
| 2025-07-25 | When squirrels may thermoregulate by splooting |
| 2020-05-12 | When air-conditioners really hum |
| 2016-02-12 | When many fans come out |
| 2007-02-03 | Stretch in the 90's, say |
| 2004-01-20 | Summer weather phenomenon |
| 2002-03-19 | Dog days phenomenon |