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
1954.m_ssm_sxm_sxdm_dsf20m_dsf80
January62.77.11954-01-02181
February82.78.81954-02-24151
March104.610.21954-03-23162
April121.510.41954-04-11120
May212.214.01954-05-26106
June207.714.01954-06-2165
July175.913.21954-07-21112
August247.413.71954-08-0137
September183.311.31954-09-01105
October136.79.31954-10-15112
November83.58.31954-11-06141
December69.46.21954-12-24160