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
1993.m_ssm_sxm_sxdm_dsf20m_dsf80
January94.97.51993-01-31131
February64.68.11993-02-07181
March108.99.51993-03-21151
April189.012.41993-04-26106
May297.913.81993-05-2918
June293.114.11993-06-1006
July267.713.71993-07-0947
August282.113.11993-08-13413
September189.310.91993-09-2066
October145.99.11993-10-2695
November61.08.21993-11-18192
December29.74.61993-12-04230