ASOS.TXT The ASOS report is a fixed-length summary listing of current Automated Surface Weather Observing System stations, including identifiers and the latest known location information. The included identifiers are the NCDC id number, the WBAN id number, the COOP id number, and the FAA id. The location information includes latitude, longitude, elevation, and time zone. The file is sorted by country and then by state. FIELD LENGTH FORMAT POSITION DESCRIPTION ------------------------------------------------------------------------------------------------------------------------------------- NCDCID 8 99999999 001-008 Unique identifier used by the NCDC. WBAN 5 99999 010-014 Used at NCDC for digital data storage and general station identification purposes. COOPID 6 999999 016-021 Assigned by the NCDC, first 2 digits represent state,last 4 digits are assigned numerically by alphabetical ordering of the station name. CALL 3 XXX 023-025 Federal Aviation Administration id number, can be numbers, characters, or a combination of both. NAME 30 X(30) 027-056 Name of station, uppercase may contain characters, numbers, or symbols. ALT_NAME 30 X(30) 058-087 Alternate name or alias. COUNTRY 20 X(20) 089-108 Name of country, uppercase. ST 2 XX 110-111 USPS two character alphabetic abbreviation for each state, uppercase. COUNTY 30 X(30) 113-142 Name of county, uppercase. LAT 9 X99.99999 144-152 Latitude in decimal degrees where “x” is blank or “-“. LON 10 X999.99999 154-163 Longitude in decimal degrees where “x” is blank or “-“. ELEV 6 999999 165-170 Station elevation in feet. TIME 2 +9 172-173 Time zone, adjustment factor to get to GMT. STNTYPE 50 X(50) 175-224 Type of observing programs associated with the station. -------------------------------------------------------------------------------------------------------------------------------------