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
1955.m_ssm_sxm_sxdm_dsf20m_dsf80
January47.47.01955-01-31200
February45.25.11955-02-10170
March101.79.51955-03-03161
April184.411.91955-04-2963
May259.314.21955-05-1057
June256.614.81955-06-1664
July226.314.31955-07-1875
August232.813.11955-08-2369
September204.011.31955-09-1062
October136.09.21955-10-14105
November60.87.61955-11-16192
December52.46.71955-12-13210