Products related to the intellectual efforts of Lewis and Clark include this weather record for July 1805 near the area of Great Falls, Montana. Image courtesy of the American Philosophical Society, Philadelphia, Pennsylvania.
With the NOAA 200th Celebration coming to a close at the end of 2007, maintenance of this Web site ceased. Updates to the site are no longer being made.
Products related to the intellectual efforts of Lewis and Clark include this weather record for July 1805 near the area of Great Falls, Montana. Image courtesy of the American Philosophical Society, Philadelphia, Pennsylvania.