Description of elements in the header
m_ssamount of monthly sunshine duration
m_sxthe maximum sunshine duration in the month
m_sxdthe day with the maximum sunshine duration
m_dsf20number of days when the sunshine duration is less than 20 % of the astronomic sunshine duration
m_dsf80number of days when the sunshine duration is more than 80 % of the astronomic sunshine duration
1922.m_ssm_sxm_sxdm_dsf20m_dsf80
January53.26.81922-01-11190
February41.06.41922-02-21190
March118.99.31922-03-18130
April183.813.01922-04-17105
May305.814.61922-05-29311
June300.614.81922-06-09310
July325.114.21922-07-08012
August304.713.31922-08-01214
September108.39.71922-09-21140
October53.97.51922-10-16210
November82.98.31922-11-28142
December26.46.31922-12-10260