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
1942.m_ssm_sxm_sxdm_dsf20m_dsf80
January19.54.91942-01-26270
February50.18.61942-02-12202
March90.110.01942-03-26171
April133.012.21942-04-17152
May259.913.81942-05-20710
June286.414.71942-06-23510
July319.214.61942-07-0519
August307.013.51942-08-02318
September236.010.81942-09-0113
October173.59.51942-10-0164
November71.27.71942-11-02180
December71.27.31942-12-07184