Wow, hadn't heard that one. I've racked on snowy, rainy, clear, cold, hot, dry, and humid days. I don't think the wine or beer is adversely affected by it.
Fishing on the other hand...
Primary #1: Empty #2: Empty
Secondary #1: Empty #2: Black Currant Wine #3: Empty
Kegged: Umlaut my Kolsch
Bottles: Big 50 Barleywine, Framboise Lambic, Russian Imperial Stout, Barolo Wine, Berry Rhubarb Wine
On Deck: Dusseldorf Alt III, BGSA