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
1994.m_ssm_sxm_sxdm_dsf20m_dsf80
January93.17.31994-01-19131
February62.08.31994-02-15192
March159.710.31994-03-3172
April178.712.11994-04-2973
May217.813.01994-05-0352
June255.312.81994-06-0841
July280.912.81994-07-3136
August245.012.31994-08-1633
September205.610.71994-09-1033
October121.19.01994-10-19121
November81.77.81994-11-20141
December75.87.11994-12-01152