I have already extensively covered the forecasts for the upcoming winter (2009-2010), including the following:
One person I neglected to consult, however, is the butcher, who is one pig spleen inspection away from giving us all the answers to the upcoming winter (Predicting Weather with a Pig Spleen).
According to the Old Farmer’s Almanac linked above, the late Gus Wickstrom used the thickness of a pig’s spleen wall to forecast the weather. The details of the method are included in the article, for what it’s worth.
I included some weather wives’ tales in Weather Whys, but I hadn’t heard of this one. I wish I still hadn’t.
–Paul Yeager