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
1984.m_ssm_sxm_sxdm_dsf20m_dsf80
January52.85.91984-01-11190
February55.17.51984-02-11190
March140.99.61984-03-20101
April154.111.41984-04-15102
May179.713.51984-05-31102
June263.113.21984-06-0234
July267.714.71984-07-1037
August259.712.91984-08-0516
September161.610.41984-09-0360
October145.49.61984-10-0383
November56.36.31984-11-12170
December38.78.01984-12-12231