README The monthly files contains a set of monthly values of global radiation and other data for Stockholm 1922-2018. Most is hopefully selfexplaining but here is a brief format explanation. DayLMkol.txt Year (1922-2018) Month month (1-12) Daylength (hours) G_month_1922_2018.txt year (1922- 2018) month (1-12) global radiation (Whm-2) uncertainty estd (percent) GexMkol.txt Year (1922-2018) Month month (1-12) extra terrestrial radiation (Whm-2). GMODfrCLOUD_1922_2017.txt Year followed by 12 monthly values of global radiation (Whm-2). GMODfrSDUR_1922_2018.txt Year (1922-2018) Month month (1-12) observed global Whm-2 (missing -999) modelled global Whm-2 ( from Sunshine duration) MODfrCLOUDkol.txt Year (1922-2017) Month month (1-12) modelled global Whm-2 ( from cloud cover) Monthly_1922_2018_Sdur Year Month (1-12) observed sunshine duration (hours) Weine Josefsson February 2019