In some Flash Table results for horizontal events (long jump, triple jump, throwing events), a wind value is listed for each round/attempt. This function pulls out those wind values into columns called "Round_1_Wind" (if the round data is in a column called Round_1)
wind_from_rounds(df)
a data frame containing results with wind data included in round columns.
a data frame with all wind data in separate (tidy) columns
wind_from_rounds
is a helper function inside
flash_clean_horizontal_events