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
January65.27.31994-01-27190
February62.49.51994-02-15204
March171.711.01994-03-2975
April186.712.91994-04-30119
May240.413.31994-05-0465
June301.314.51994-06-07311
July321.714.31994-07-02112
August281.212.51994-08-0527
September221.511.31994-09-0745
October144.99.51994-10-1894
November90.08.11994-11-04134
December57.17.41994-12-02201