KANE, R. P. “Trends, Periodicities and ENSO Relationships of the Annual Precipitation over the Contiguous United States and Southern Canada”. MAUSAM 52, no. 4 (October 1, 2001): 659–668. Accessed September 20, 2024. http://103.215.208.102/index.php/MAUSAM/article/view/1738.