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
2010.m_ssm_sxm_sxdm_dsf20m_dsf80
January46.47.32010-01-04231
February56.88.22010-02-14170
March157.911.42010-03-2983
April228.813.82010-04-3068
May188.012.92010-05-27104
June241.614.82010-06-091010
July312.914.02010-07-09314
August308.913.92010-08-02215
September160.511.32010-09-21104
October165.610.62010-10-091112
November124.99.12010-11-06127
December41.28.22010-12-10231