Some data is available for periods longer than 5 years ago.
CF6 data is also available for all sites for 2004, 2003, 2002, 2001 and 2000.
For Tallahassee and Apalachicola, CF6 data is available for the year 2000.
Disclaimer: The U.S. Naval Observatory takes observations and
generates sunrise and sunset data. The NWS is not the official custodian
of records for such records and therefore, cannot certify to such facts,
or authenticate such data. For information regarding sunrise and sunset
tables and to obtain certified records, contact: U.S. Naval Observatory,
ATTN: Code AA, 3450 Massachusetts Ave., N.W., Washington, D.C. 20392-5420;
http://aa.usno.navy.mil/data.