ICEFOG
| Date | Clue |
|---|---|
| 2016-05-01 | Crystalline weather phenomenon |
| 2016-03-06 | Arctic weather phenomenon |
| 2014-07-29 | Atmospheric phenomenon during low temperatures |
| 2009-02-15 | Arctic weather phenomenon |
| 2004-10-24 | Sparkly mist |
| Date | Clue |
|---|---|
| 2016-05-01 | Crystalline weather phenomenon |
| 2016-03-06 | Arctic weather phenomenon |
| 2014-07-29 | Atmospheric phenomenon during low temperatures |
| 2009-02-15 | Arctic weather phenomenon |
| 2004-10-24 | Sparkly mist |