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
January84.87.61986-01-21143
February55.38.21986-02-27190
March90.310.21986-03-28171
April195.111.71986-04-2483
May281.513.31986-05-2638
June272.214.21986-06-2647
July267.813.41986-07-0668
August274.812.01986-08-0216
September237.111.21986-09-0505
October176.79.71986-10-0184
November98.08.21986-11-04141
December37.74.91986-12-25210