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
1934.m_ssm_sxm_sxdm_dsf20m_dsf80
January42.36.81934-01-22220
February116.68.91934-02-1383
March140.09.61934-03-25100
April199.613.01934-04-1977
May315.214.11934-05-20414
June274.515.31934-06-18612
July331.114.41934-07-20212
August255.914.01934-08-0367
September231.910.71934-09-0946
October143.89.11934-10-0291
November97.18.61934-11-02133
December5.13.41934-12-24300