
Chart showing fluctuation of average rainfall over England
Chart showing fluctuation of average rainfall over England, 1725 to 1948, over the Thames basin for 67 years, and the average river flow at Teddington for 67 years
Chart showing fluctuation of average rainfall over England, 1725 to 1948, over the Thames basin for 67 years, and the average river flow at Teddington for 67 years