"New, useful and entertaining matter" - this statement, perhaps a caveat, appears on the title page of the 1997 edition of the "Old Farmer's Almanac." To 9 million Almanac readers, this statement may summarize the purpose of the manual, which has appeared annually since 1792.
The "Old Farmer's Almanac" contains, yup, you guessed it, information that is useful to farmers. This includes planting information, household tips and intricate lunar and solar calendars, as well as the famous weather predictions, among other information.
The weather predictions might be what the "Old Farmer's Almanac"'s most famous item. Apparently, the people at the "Old Farmer's Almanac" use the lunar cycle, coupled with levels of solar activity, to scientifically predict weather for all regions of the United States. The Almanac claims to be accurate, and many of its 9 million readers would probably agree.
So what's the forecast for the Ann Arbor area? Basically, the Almanac states that from November to March, precipitation will be normal, but with "wild fluctuations" from day to day. Record cold and record warmth will occur, and a mid-December snowstorm will ensure a white Christmas.