Historical clue formulations

• It keeps the rain away — 2025-12-24
• Waterproof cover — 2025-03-10
• Camper's cover — 2024-08-30
• Sheet under a tent — 2024-04-21
• Field protector — 2024-04-02
• It can cover all the bases — 2023-01-20
• Covering seen at a ballpark — 2022-06-27
• Save it for a rainy day! — 2022-03-06
• Cover up in a shower — 2022-02-26
• Bit of weatherproofing — 2022-02-17
• Save it for a rainy day — 2021-09-15
• Camper's cover — 2020-02-19
• Infield shield — 2019-08-14
• Temporary rain cover — 2018-06-18
• Shield from the elements — 2016-04-01
• It may cover all the bases — 2016-02-20
• Cover during a rain delay — 2015-11-23
• Rainproof cover — 2015-02-09
• Roofer's cover — 2015-01-20
• Diamond cover — 2014-05-11
• Covering pulled out during a rain delay — 2013-08-12
• Pool protector — 2013-03-01
• Rain delay sight — 2012-09-26
• Field cover during a rain delay — 2012-07-09
• Response to the '08 financial crisis — 2011-09-10
• Diamond cover — 2011-09-06
• Protective covering — 2011-08-23
• Camping supply — 2010-06-20
• Base protector — 2009-09-06
• Bank bailout acronym — 2009-08-16
• Cover-up during a shower — 2009-07-25
• Rain check? — 2008-12-23
• Rain cover — 2008-11-24
• Tent floor, maybe — 2008-08-25
• Outdoor cover — 2008-03-23
• Infield cover — 2007-10-25
• Rain delay roll-out — 2007-09-25
• Field protector — 2007-05-20
• Diamond protector — 2006-09-13
• Stadium rollout — 2005-10-04
• One covering the infield — 2005-03-13
• Field protector — 2005-03-06
• Protective covering — 2005-02-01
• Ballpark rollout — 2005-01-19
• Ball field covering — 2004-08-02
• Canvas cover — 2003-05-20
• Shield from the elements — 2003-03-09
• Pool pull-over — 2003-01-30
• Ballfield cover — 2002-12-30
• Canvas cover — 2002-09-04