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
2002.m_ssm_sxm_sxdm_dsf20m_dsf80
January80.18.22002-01-30162
February87.38.82002-02-15143
March170.210.52002-03-31106
April165.011.62002-04-2892
May246.613.42002-05-1667
June280.413.82002-06-1958
July275.113.72002-07-0634
August200.011.82002-08-0383
September155.111.22002-09-01104
October94.99.22002-10-01140
November50.46.72002-11-12190
December45.06.42002-12-08230