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
2002.m_ssm_sxm_sxdm_dsf20m_dsf80
January57.97.42002-01-30192
February83.29.32002-02-15162
March196.010.92002-03-3079
April199.712.22002-04-2852
May239.112.72002-05-0358
June270.014.72002-06-2039
July270.413.32002-07-0123
August247.612.42002-08-22510
September155.611.02002-09-01102
October119.010.22002-10-01134
November52.48.42002-11-03211
December60.37.52002-12-08214