Description of Data files There are 5 different files 1. files with minute data (starting with C_) 2. files with 10 minute data (starting with 10min_) 3. files with 1 hour data (starting with hour_) 4. month files (starting with M_) 5. raw north- and south datalogger files (starting with N or S) The structure of the 10min, hour and month files are identical with exception of colom 2 wich give the time, hour or day. The files are stored per day (year and month folders) the raw datafiles of 2011 are zipped per month. the XLSX and XLSM files gives a escription of the content of the data files. (the XLSM files can also load(import) the data files you have downloaded.)