NORTH AMERICAN MONSOON TIME SCALE is proposed&designed by me in 1991 to study the North American monsoon and it's weather conditions&natural disasters in advance.Find it's details in all websites by searching it's name just as NORTH AMERICAN MONSOON TIME SCALE BY GANGADHARA RAO IRLAPATI and make further researches on the North American monsoon. Kindly recognize me as the inventor of North American Monsoon Time Scale by making references in your publications. Scientists who want to design&establish this North American Monsoon Time Scale have trouble in making it, Kindly contact me at [email protected] and take my help. I will create a model North American Monsoon Time Scale and send the same for your studies.