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
2004.m_ssm_sxm_sxdm_dsf20m_dsf80
January66.27.32004-01-23200
February98.59.12004-02-20132
March107.19.92004-03-04151
April135.412.02004-04-29143
May227.112.42004-05-2653
June225.613.42004-06-1582
July246.412.82004-07-0575
August299.912.22004-08-15214
September180.410.92004-09-0797
October122.69.12004-10-06141
November107.18.32004-11-26132
December37.37.42004-12-21241