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
1936.m_ssm_sxm_sxdm_dsf20m_dsf80
January59.57.81936-01-29183
February75.17.41936-02-11150
March140.89.41936-03-18111
April180.112.31936-04-1352
May213.313.21936-05-1062
June301.914.81936-06-23112
July358.514.61936-07-09219
August292.513.41936-08-11412
September208.511.01936-09-1567
October87.29.01936-10-04182
November57.37.71936-11-11171
December56.07.61936-12-04203