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
1947.m_ssm_sxm_sxdm_dsf20m_dsf80
January61.47.51947-01-04201
February20.35.71947-02-01260
March102.310.01947-03-16161
April237.013.31947-04-2738
May214.014.61947-05-3165
June270.814.51947-06-0246
July317.014.51947-07-1328
August332.613.81947-08-02015
September249.411.21947-09-0529
October191.29.81947-10-05611
November60.37.11947-11-18190
December40.07.21947-12-12241