Historical clue formulations

• Nashville-to-Memphis dir. — 2025-03-28
• Indianapolis-to-St. Louis dir. — 2021-01-27
• Indianapolis-to-St. Louis dir. — 2019-07-07
• Madrid-to-Lisbon dir. — 2016-02-23
• Sioux City-to-Fort Collins dir. — 2016-01-08
• Bismarck-to-Billings dir. — 2015-02-14
• Flint-to-Kalamazoo dir. — 2014-08-01
• Nashville-to-Memphis dir. — 2010-11-14
• Egypt-to-Niger dir. — 2010-08-04
• Opposite ENE — 2007-06-25
• Saskatoon-to-Calgary dir. — 2006-10-21
• ENE's opposite — 2006-04-04
• Wind dir. — 2005-04-08
• Opposite ENE — 2001-02-19
• Reverse of ENE — 2000-11-06
• Berlin-to-Cologne dir. — 1998-01-18
• Ky.-to-Okla. direction — 1996-03-21
• Vane dir. — 1995-06-18
• Storm heading — 1995-01-29