On this date in 1974, the US was very cold, with temperatures below 50F as far south as Texas, and much of the US below freezing. Minimum temperatures were 15 degrees cooler than the same date in 1898.
A few weeks earlier, Time Magazine warned of another ice age, and said that the world had cooled 2.7 degrees since the 1940’s
TIME Magazine Archive Article — Another Ice Age? — Jun. 24, 1974
Compare cold 1974 temperatures vs. hot 1947 temperatures for reference
NCAR and The National Academy of Sciences reported the warm 1940’s and subsequent cooling.
14 Jul 1974, Page 1 – Lincoln Evening Journal at Newspapers.com
The 1940’s warmth and 1970’s ice age scare wrecked NASA’s climate agenda, so they erased it – with the help of unwitting dupes like Steven Mosher.