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
1959.m_ssm_sxm_sxdm_dsf20m_dsf80
January68.58.01959-01-19182
February108.19.71959-02-27116
March159.111.31959-03-22118
April212.113.01959-04-2058
May246.914.51959-05-26711
June247.114.91959-06-0868
July272.814.61959-07-12310
August246.813.11959-08-08611
September236.311.71959-09-02511
October220.711.01959-10-01212
November66.98.01959-11-12182
December38.07.01959-12-20241