These publications are available through a yearly lease, or a one time purchase. As a leaser, you're entitled to use the disc(s) for a year with updates of data occurring in early May. As a purchaser you own the disc(s); however this does not entitle you to yearly updates.
|Off-theShelf Titles||Area of Coverage|
|USGS Daily Values||Regional|
|USGS Peak Values||Nationwide|
|NCDC Summary of the Day||Regional|
|NCDC Hourly Precipitation||Nationwide|
|NCDC 15-Minute Precipitation||Nationwide|