The HPD has been recently revamped and made available on CD-ROM by the Earth System Research Laboratory (ESRL) and the National Climatic Data Center (NCDC). Hourly observations at several thousand sites in the United States and its territories are available for periods of record up to 50 years.
From this website you will be able to:
Please address questions about this site to firstname.lastname@example.org.
Specific questions about the HPD should be addressed to NCDC.
This site was last updated on August 1, 2008.