By Oct. 27 the World Series will include either the Giants, Cardinals, Orioles or Royals.

After Pearl Harbor in 1941, the Office of Censorship advised radio stations to omit mentions of weather. It was a voluntary “code” as station managers feared compromising their licenses.

Newspapers could only publish the previous day’s highs and lows for no more than 20 cities.

Descriptions of weather from the Lower 48 could have assisted German ships and submarines in the Atlantic.

The daily mention of field conditions for a baseball game was acceptable, but constraints were placed on rained-out games. Announcers were instructed to broadcast “a cancelled event due to weather,” “wet grounds” or “muddy fields.”

No playing ball with the enemy.