Historical clue formulations

• Summerlike — 2010-03-25
• Summery — 2009-08-09
• Summery — 2009-03-08
• Like early dawns and late sunsets — 2005-10-30
• Summerlike — 1999-08-05
• Summerlike — 1997-07-05
• Summery — 1994-06-05