Historical clue formulations

• Heartfelt, say — 2026-04-15
• Welcoming — 2025-10-03
• In the 70s or 80s, say — 2022-01-17
• Not cool - not cool at all! — 2021-12-03
• Take a liking (to) — 2021-11-02
• Getting close, in a guessing game — 2021-06-30
• Getting close, perhaps — 2020-11-14
• Friendly — 2020-10-25
• Getting close — 2019-06-12
• In the 70s, say — 2017-09-24
• Getting close, in a guessing game — 2017-09-05
• Toasty — 2017-06-13
• Close, in a guessing game — 2017-05-04
• Quite cordial — 2016-08-03
• Close, in a guessing game — 2014-08-04
• Toasty — 2013-02-19
• Tune (up) — 2012-02-18
• Toasty — 2009-05-18
• "Getting close" — 2008-04-29
• In the 70's or so — 2006-11-06
• Cordial — 2006-09-10
• In the 80's, temperaturewise — 2006-05-15
• Friendly — 2005-02-12
• Welcoming — 2004-06-17
• Friendly — 2003-04-01
• Devoted, as friends — 2000-06-06
• "Close" — 1998-10-28
• Toasty — 1997-09-30
• Friendly — 1996-10-28
• Toasty — 1996-03-05
• Getting close — 1995-08-04
• Toasty — 1995-02-10
• Cordial — 1994-09-12