Historical clue formulations

• HVAC measure — 2026-05-24
• A/C measure — 2025-10-28
• A/C meas. — 2025-07-10
• A/C measure — 2025-06-04
• Meas. roughly equivalent to 10 billion 12-Downs — 2025-06-01
• Imperial energy meas. — 2025-01-12
• Measure of heat, for short — 2024-11-01
• A/C meas. — 2024-06-04
• Meas. roughly equivalent to a burning match — 2023-06-29
• A/C spec — 2021-01-24
• ___/hr. (power meas.) — 2020-11-21
• Air-conditioning meas. — 2020-08-17
• A.C. measure — 2020-07-19
• A/C measure, for short — 2020-06-23
• A/C spec — 2020-03-29
• A/C meas. — 2019-07-09
• Approx. 1,055 joules — 2019-05-19
• A/C stat — 2019-05-07
• Utility bill meas. — 2018-07-11
• A/C stat — 2017-11-12
• Energy measurement, for short — 2017-08-15
• About 252 cals. — 2017-04-29
• A/C measure — 2017-01-18
• One of about 3,412 in a kW-h — 2016-12-31
• Grill measure, in brief — 2016-05-20
• A/C measure, for short — 2016-05-16
• Air-conditioner output: Abbr. — 2014-04-21
• Air conditioner meas. — 2013-05-27
• A/C meas. — 2012-10-07
• A/C meas. — 2012-09-16
• Energy meas. — 2012-06-17
• HVAC measure — 2012-04-22
• A/C meas. — 2011-05-09
• A/C stat — 2011-01-10
• 1,055 joules: Abbr. — 2010-09-22
• HVAC measure — 2010-04-23
• A/C fig. — 2009-12-15
• A/C meas. — 2008-11-10
• A/C meas. — 2008-08-26
• Abbr. on an appliance sticker — 2008-08-19
• A/C meas. — 2008-08-18
• Heat meas. — 2008-07-11
• A/C meas. — 2007-10-21
• A/C meas. — 2007-08-08
• A.C. stat — 2007-01-03
• A/C meas. — 2006-08-02
• Heat meas. — 2006-05-11
• A.C. measure — 2006-05-10
• Appliance spec. — 2006-05-09
• A.C. measure — 2005-09-28