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
January29.46.91955-01-19250
February63.67.61955-02-12160
March91.19.11955-03-23170
April214.112.31955-04-2956
May266.314.71955-05-30610
June236.613.71955-06-2542
July220.313.01955-07-1962
August212.413.01955-08-1887
September214.611.21955-09-0445
October115.69.81955-10-01123
November38.27.51955-11-25242
December46.47.11955-12-05212