ASOS 5-Minute Data This dataset contains the ASOS five minute (temporal resolution) data from the entire ASOS network including those in the 50 US states as well as a few international locations at military bases. 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 is td6401.pdf including with your order. As of the time of the creation of this readme, this file was also available at: http://www1.ncdc.noaa.gov/pub/data/documentlibrary/tddoc/td6401.pdf Also included with your order are the ASOS Ready Reference Guide and Users Guide which provide information on ASOS sensors and data processing methods. Finally, the file ASOS-STATIONS.TXT contains the station location metadata. These station locations are from the NOAA Multi-Network Metadata System. This data set was supplied by NOAA/NCDC. NCAR/EOL has conducted no processing or quality control on these data and they are provided as is.