avedwards said:I suppose the less drastically changable weather of the US allows rules like that to work better than in the UK.
This would make a great joke here in the South of the US of A.
May 15th is another one of those days that is a really bad rule of thumb unless you live in a few specific locations (like... maybe California?). I only have one straw hat at any one time due to how little use it gets around here.