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
1950.m_ssm_sxm_sxdm_dsf20m_dsf80
January105.38.31950-01-26155
February77.39.11950-02-17142
March205.010.71950-03-23811
April195.812.11950-04-1851
May294.014.71950-05-30513
June310.214.91950-06-23211
July340.314.61950-07-09218
August326.213.61950-08-12015
September213.811.41950-09-1348
October187.610.01950-10-07711
November69.58.21950-11-10192
December41.37.01950-12-02240