COLDSNAP
| Date | Clue |
|---|---|
| 2004-02-21 | Fall phenomenon |
| 2004-01-20 | Winter weather phenomenon |
| 2002-04-28 | Sudden drop-off |
| 1997-10-07 | Sudden arrival of fall weather |
| Date | Clue |
|---|---|
| 2004-02-21 | Fall phenomenon |
| 2004-01-20 | Winter weather phenomenon |
| 2002-04-28 | Sudden drop-off |
| 1997-10-07 | Sudden arrival of fall weather |