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
1986.m_ssm_sxm_sxdm_dsf20m_dsf80
January72.27.61986-01-29162
February73.28.21986-02-26161
March138.110.51986-03-17122
April221.212.01986-04-3077
May280.013.41986-05-03412
June257.614.51986-06-1744
July284.313.81986-07-16511
August312.412.61986-08-14110
September251.810.91986-09-0604
October167.39.41986-10-0191
November105.97.81986-11-04110
December20.65.21986-12-22260