THESE ARE CUSTOM ASCII FILES GENERATED FROM:
The Home Site address is: 
ftp://ftp.cmdl.noaa.gov/ozwv/surfo3/tiksi_russia/

HOW THESE FILES WERE GENERATED:
Link to data: ftp://ftp.cmdl.noaa.gov/ozwv/surfo3/tiksi_russia/

Site Navigation: 
There are two types of yearly .zip files: lst_tik and tik (the lst means local standard time, and if there is nothing in front of the tik then it means Greenwich Mean Time)
Select the year that you want to look at data for
The zip file will download to your desktop for viewing
There are three types of files in the zip folder (hour, hourly_mean(MIXING RATIO OF SURFACE OZONE IN PARTS PER BILLION), minute)


FOR YOUR CONVENIENCE THE HEADER AND UNIT INFORMATION IS LISTED BELOW:

Hour:
COLUMN 1: Station ID#
COLUMN 2: Year
COLUMN 3: Month
COLUMN 4: Day
COLUMN 5: Hour
COLUMN 6: Ozone (ppb)
min:
COLUMN 1: Station ID#
COLUMN 2: Year
COLUMN 3: Month
COLUMN 4: Day
COLUMN 5: Hour
COLUMM 6: Minute
COLUMN 7: Ozone (ppb)


YOU CAN GET MORE INFORMATION ABOUT THESE DATA SETS AT THE FOLLOWING LINK(S):
ftp://ftp.cmdl.noaa.gov/ozwv/surfo3/Read_me_surface.pdf