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
January49.17.21955-01-19220
February76.28.51955-02-15131
March91.39.81955-03-19181
April213.812.91955-04-2977
May311.014.71955-05-31513
June272.314.11955-06-1635
July215.613.91955-07-0395
August245.813.31955-08-1839
September216.611.11955-09-0568
October132.79.61955-10-02124
November70.38.01955-11-16172
December56.57.21955-12-05213