...when the structural components of your building contract and make sounds like gun shots. It's minus 30 at almost 9am, but the sun is shining so that makes up for it:) I'll be wearing me new parka when I trudge across the field later on.
Cos I can't sleep if it's too cold or if it's too hot. In fact us insomniacs find it hard getting the right temperature at all...plus my keyboard keeps blimmin' freezing ;-(