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
1929.m_ssm_sxm_sxdm_dsf20m_dsf80
January85.08.31929-01-20164
February78.78.41929-02-01162
March181.59.71929-03-0161
April185.913.01929-04-1886
May235.014.31929-05-0755
June240.614.51929-06-1254
July358.914.81929-07-15120
August295.412.91929-08-17011
September256.210.91929-09-02112
October171.09.41929-10-0584
November58.16.91929-11-02190
December67.67.31929-12-11192