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
2011.m_ssm_sxm_sxdm_dsf20m_dsf80
January68.28.02011-01-23181
February85.59.22011-02-09172
March192.911.22011-03-2489
April240.712.72011-04-2038
May321.014.62011-05-26415
June274.714.82011-06-2237
July250.014.82011-07-11912
August330.613.22011-08-10218
September275.312.02011-09-02216
October175.610.52011-10-0377
November124.68.62011-11-12126
December54.07.72011-12-18211