1975 : Consensus Reached! | Real Science

[Newsweek, 1975] “The central fact is that after three quarters of a century of extraordinarily mild conditions, the earth’s climate seems to be cooling down,”

CapitalClimate: Mid Atlantic Record Low Daily Maximum Temperatures Set or Tied

Unless temperatures inexplicably jump several degrees in the next hour or so, daily record low maximum temperatures for October 2 will be set or tied at all 3 major reporting locations in the Washington/Baltimore area
...
Washington National 52 @ 1253 PM (52, 1939)
Washington Dulles 50 @ 1226 PM (54, 1974)
Baltimore BWI 51 @ 1120 AM (53, 1939)

Question: If CO2 is the major factor driving temperature changes, why should Dulles break a record by four degrees while National only ties a record?