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
1953.m_ssm_sxm_sxdm_dsf20m_dsf80
January59.08.41953-01-27201
February91.79.81953-02-26164
March232.710.51953-03-22312
April226.413.11953-04-23611
May277.514.31953-05-2459
June245.414.81953-06-2934
July351.914.61953-07-14017
August304.713.41953-08-11519
September243.212.41953-09-0139
October192.89.61953-10-2264
November118.38.31953-11-17126
December94.07.11953-12-14132