Find some excellent written info understanding HF propagation here:
A day by day International Sun Spot Number can be found here:
Last week around 15-16 Feb. I had several QSOs with 43 div. (Australia) and 153 div. (Thailand). The week before I managed to talk to 2 (USA) , 5 (Venezuela) and 347 (Curacao). At the moment propagation is low. But I expect some better propagation next week.