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
1945.m_ssm_sxm_sxdm_dsf20m_dsf80
January39.26.71945-01-23230
February103.69.71945-02-16134
March160.911.21945-03-2494
April224.513.31945-04-1679
May309.014.61945-05-29111
June306.014.61945-06-20210
July304.714.51945-07-19415
August269.714.01945-08-0627
September202.111.51945-09-0278
October158.19.61945-10-0287
November66.58.61945-11-06191
December45.77.21945-12-26231