The analysed data are the daily sunspot areas and latitudes obtained from the NASA website1. They were complied by royal greenwich observatory (RGO) during the period from 1874 to 1976 and by the solar optical observing network (SOON) of the US Air Force(USAF)/ US national oceanic and atmospheric administration (NOAA) during the period of from 1977 to 2009. The data set we analyse in the current analysis covers solar cycles 12 to 23, with cycle starting times given by solar influences data analysis center (SIDC) and Javaraiah(2008).