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
January49.26.91947-01-24210
February27.14.51947-02-10230
March110.610.31947-03-16162
April239.713.11947-04-26610
May232.814.21947-05-3067
June273.514.41947-06-2527
July317.914.81947-07-1129
August302.513.41947-08-03115
September268.110.91947-09-06014
October175.210.21947-10-01812
November64.47.01947-11-18190
December35.27.81947-12-12241