Question 5: The annual rainfall at station X and the average annual rainfall at 18 surrounding stations are given below. Check the consistency of the record at station X and determine the year in which a change in regime has occurred. Adjust the current data to reflect the condition existed before break point. Annual rainfall (cm) Year Stn. X 18-stn. average 1952 30.5 22.8 1958 38.9 35.0 1954 43.7 30.2 1955 32.2 27.4 1956 27.4 25.2 1957 32.0 28.2 1958 49.8 36.1 1959 28.4 18.4 1960 24.6 25.1 1961 21.8 23.6 1962 28.2 33.3 1968 17.8 28.4 1964 22.3 36.0 1965 28.4 81.2 1966 24.1 23.1 1967 26.9 23.4 1968 20.6 23.1 1969 29.5 33.2 1970 28.4 26.4