Historical clue formulations

• Foggy mental state — 2026-08-10
• Difficult weather condition for driving — 2026-01-28
• Smog, e.g. — 2025-08-04
• Difficult air to see through — 2025-06-16
• Foggy mental state — 2024-11-25
• State of confusion — 2024-07-09
• Reason to turn on headlights — 2024-05-31
• Jimi Hendrix's "Purple ___" — 2023-06-19
• "Purple ___" — 2022-07-27
• Smoggy overcast — 2022-05-16
• Befuddled state — 2022-02-14
• Smog, e.g. — 2020-11-23
• Visibility reducer — 2020-08-13
• Dreamy state — 2018-05-30
• Mental blur — 2018-03-13
• The night before, to a hard partier? — 2018-03-04
• Confused state of mind — 2017-09-06
• Confusion — 2017-03-18
• Hangover feeling — 2016-08-17
• Confusion — 2015-09-13
• Run through the gantlet, say — 2014-12-12
• Break a pledge? — 2012-11-24
• Smog — 2012-05-09
• Smog, e.g. — 2011-05-23
• Smog, e.g. — 2010-10-26
• Fog or smog — 2010-01-18
• Give a paddling, maybe — 2009-08-19
• Jimi Hendrix's "Purple ___" — 2009-08-17
• Sight blocker — 2009-01-01
• Sun block — 2008-11-13
• Put through demeaning rituals — 2008-06-01
• Skyline obscurer — 2006-09-14
• Smog — 2004-04-05
• Some confusion — 2003-09-27
• Part of many a summer forecast — 2003-04-22
• "Purple ___" (song played at Woodstock) — 2002-09-17
• Harass, in a way — 2002-08-11
• Mist — 2001-12-10
• Part of a summer forecast — 2001-08-26
• Demean, as pledges — 2000-11-13
• Cause of low visibility — 1999-12-31
• Confusion — 1999-01-21
• Run pledges through the gantlet, say — 1998-06-22
• Smog — 1997-10-14
• Smog — 1997-05-19
• Harass the pledges — 1996-08-25
• Visibility problem — 1996-03-14
• Smog — 1995-09-04
• Confused thoughts — 1993-12-03