This directory contains the ASOS five minute (temporal resolution) data organized in subdirectories named by data set name and 4 digit year. DSI 6401 files: Each data file contains data for one station-month. The files names begin with 64010 (for data set name), followed by the 4 character call letter identifier (e.g. KNYC = New York Central Park, NY), the 4 digit year and two digit month. The file extensions are ".dat". The format documentation for these files are available at http://www1.ncdc.noaa.gov/pub/data/documentlibrary/tddoc/td6401.pdf (Adobe Acrobat reader required) or http://www1.ncdc.noaa.gov/pub/data/documentlibrary/tddoc/td6401.doc (Microsoft Word or compatible required). Anonymous ftp instructions: 1. Enter: open ftp.ncdc.noaa.gov 2. Login is: ftp or anonymous 3. Password is: your email address 4. You are now logged onto a workstation. Enter help if you'd like a list of available commands. 5. To move to the correct subdirectory, enter: cd /pub/data/asos-fivemin/. 6. To get a copy of the file descriptions, enter: get README.TXT destination (destination is your output location and name)...e.g.--get README.TXT c:README.TXT - copies to hard drive c: Note that file names are in all CAPITAL letters/numbers. 7. To logoff the system when finished, enter: bye