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
1966.m_ssm_sxm_sxdm_dsf20m_dsf80
January51.87.21966-01-06201
February70.09.21966-02-27172
March165.611.01966-03-3172
April162.512.51966-04-3095
May280.414.71966-05-31510
June240.514.81966-06-2277
July255.714.31966-07-1354
August257.313.61966-08-10312
September209.210.81966-09-0815
October165.210.31966-10-0366
November31.77.21966-11-09240
December55.15.91966-12-04160