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
2001.m_ssm_sxm_sxdm_dsf20m_dsf80
January44.67.12001-01-12242
February110.48.52001-02-25101
March100.28.72001-03-20150
April168.412.52001-04-27102
May280.413.72001-05-2423
June229.013.92001-06-2675
July247.813.02001-07-1454
August277.712.02001-08-0735
September97.08.82001-09-28170
October133.79.12001-10-12101
November81.18.52001-11-03153
December61.77.02001-12-24171