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
1956.m_ssm_sxm_sxdm_dsf20m_dsf80
January113.68.11956-01-29127
February77.17.41956-02-15150
March117.79.91956-03-29141
April155.311.11956-04-0381
May226.313.51956-05-3065
June188.813.61956-06-0794
July237.214.11956-07-0865
August231.912.91956-08-1056
September227.311.21956-09-0349
October145.19.81956-10-01127
November42.95.71956-11-21210
December42.57.41956-12-09231