weather data are important for many applications. assume that you are working with an ascii text data file that was created some time ago to store temperature and precipitation data for every month in each year. the file contains a header (that describes the data) as the first line, followed sequentially by one line for each month of each year, where the first element of each recorded line in the year, the second is the month, and the third through fifth elements are the low temperature (of), high temperature (of), and precipitation depth (inches) for that month of that year, respectively. the elements are separated by spaces. for example, a file with this format would look like the following: