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
1925.m_ssm_sxm_sxdm_dsf20m_dsf80
January60.07.31925-01-04191
February93.78.21925-02-11142
March130.28.61925-03-3180
April226.512.41925-04-2459
May282.813.31925-05-1227
June232.313.41925-06-0674
July270.113.11925-07-2164
August237.912.41925-08-1335
September154.59.51925-09-0270
October159.49.01925-10-2081
November43.98.01925-11-19211
December54.57.41925-12-24202