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
1978.m_ssm_sxm_sxdm_dsf20m_dsf80
January67.76.81978-01-15160
February46.98.61978-02-21191
March129.811.31978-03-30124
April155.512.41978-04-09125
May169.712.71978-05-3191
June249.215.01978-06-0167
July309.813.61978-07-0408
August268.013.21978-08-06410
September169.110.91978-09-1494
October160.510.01978-10-0965
November0.00.01978-11-01300
December40.36.91978-12-05210