The forecast is for cycle 25 to be smaller in number than cycle 24, shown to the right of this photo, which is the smallest number of sunspots since cycle 14 that reached its peak around 1912. (ddears.com)
The extraordinary cold spell was probably strengthened and lengthened by the resulting increase in sea ice at high latitudes, as well as an unusually low number of sunspots in the middle of the 7th century. (sciencemag.org)
I'm an amateur astronomer and have noted the lack of sunspot activity recently, a phenomenon associated with reduced solar heat output. (climate-skeptic.com)