"Års- och månadsstatistik" [Yearly and monthly statistics] (in Swedish). Swedish Meteorological and Hydrological Institute. 6 June 2019. Archived from the original on 2 May 2019. Retrieved 6 May 2016.
"Års- och månadsstatistik" [Yearly and monthly statistics] (in Swedish). Swedish Meteorological and Hydrological Institute. 6 June 2019. Archived from the original on 2 May 2019. Retrieved 6 May 2016.