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
1986.m_ssm_sxm_sxdm_dsf20m_dsf80
January102.28.11986-01-21113
February67.79.21986-02-25192
March99.911.41986-03-31182
April212.212.21986-04-2275
May262.313.51986-05-2659
June276.614.31986-06-1736
July253.113.51986-07-0665
August322.013.01986-08-04113
September251.312.31986-09-05214
October190.910.91986-10-01711
November127.88.31986-11-07104
December33.55.71986-12-26230