It could just be bias in the data. In Canada and northern US, you expect the cold and plan accordingly. In sub-Saharan Africa, you expect the heat and plan ac

It could just be bias in the data. In Canada and northern US, you expect the cold and plan accordingly. In sub-Saharan Africa, you expect the heat and plan accordingly. It's when the conditions flip-flop (hot Canada, cold Africa) that people run into trouble.