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
January42.76.81954-01-18220
February46.96.71954-02-22200
March76.29.91954-03-30190
April126.112.11954-04-24141
May237.713.31954-05-2163
June230.913.91954-06-1372
July231.113.31954-07-2145
August288.413.61954-08-03413
September224.311.31954-09-0147
October153.29.91954-10-0393
November64.78.11954-11-12212
December60.27.11954-12-30201