get_amax                A function to obtain annual maxima (AMAX) data
                        using the NRFA API
get_cd                  A function to obtain information on the station
                        and on the catchment upstream of the station
                        using the NRFA API
get_pot                 A function to obtain Peaks-Over-Threshold (POT)
                        data using the NRFA API
known_Oct1              Known events which happened on October 1st
                        before 9am
read_amax               A function to read .AM files
read_cd3                A function to read .CD3 files
read_pot                A function to read .PT files
water_year              Derive water year value for a date
