by Theodore Roosevelt Rorrer and John Alexander Rorer. The surname ROHR or ROHRER is of German origin and is derived from the word Rohr, which means, literally, reed, cane; tube, pipe, etc. It is suggested that the name was first taken by one to whom the nickname Rohricht, reed-like, had been applied.t is also stated that the Rohrs were later called Rohre and, still later, Rohrer. Certainly, in ancient German and early American records the name appears in the various spellings of Rohr, Rohre, Rohre, Rore, Rorer, Rhorer, Rhoer, Roer, Roar, Rhor, Rorau, Rohrau, Rohrer, Rorrer, Rohr, Rohrer, etc.
Freezing temperatures can occur anytime from November to April in Chicago. Typically, for seven days each year the thermometer drops to zero degrees Fahrenheit (-18 Â°C) or colder. The daytime temperature doesn't rise above freezing for 43 days annually, on average. November to March is when weather this cold can last all day.
Sometimes, a premature blast of snow occurs in October. The windchill factor can be quite heavy in the dead of winter, December to February. Even though it is 40 degrees outside, it may feel like subzero temps. Spring weather is particularly peculiar in Traverse City. March may still feel like winter to visitors from warmer climate zones. April and May temperatures fluctuate between 40 and 60 degrees on any given day. Additionally, certain activities are more enjoyable during specific months.