The 11-year sunspot cycle number 24 has just ended. We are entering sunspot cycle 25. The number of sunspots has been decreasing over the past 3 cycles which has been about 4 decades. See plot below. Note cycles 20 to 22, with an increase in peak sunspot number, is the same period that global warming […]
Day: February 20, 2020
Over the summer of 2019/20 we have been repeatedly told that the heatwave has been “unprecedented”. But is that actually true? This is a map, not created by me, which shows some of the past daily maximum temperatures in Australia. I personally in the summer of 1976/77 experienced 55 degrees C in near Eucla in […]