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
2012.m_ssm_sxm_sxdm_dsf20m_dsf80
January105.89.02012-01-27147
February107.49.92012-02-21164
March256.411.82012-03-21213
April214.613.72012-04-2958
May267.514.02012-05-20712
June341.315.32012-06-17118
July360.915.02012-07-09117
August369.713.92012-08-08022
September232.212.62012-09-08611
October213.111.02012-10-03616
November92.48.32012-11-07132
December54.38.22012-12-30202