The table below provides the flows for the Llano River in Texas for the period of 1951 to 1970. Using the simplified frequency analysis method show in class (Weibul method), compute and plot the probability vs. the flow and then compute the flows with return periods of 1, 5 and 15 years.
Years Flow(cms)
1951 151
1952 72
1953 142
1954 88
1955 1042
1956 28.9
1957 1147
1958 1801
1959 496
1960 1005
1961 1577
1962 11
1963 46
1964 748
1965 232
1966 391
1967 19
1968 470
1969 46
1970 748