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
1927.m_ssm_sxm_sxdm_dsf20m_dsf80
January48.96.41927-01-01200
February113.59.41927-02-22105
March153.210.11927-03-1884
April193.812.71927-04-2954
May262.614.11927-05-1557
June316.614.31927-06-08515
July352.914.61927-07-03014
August306.813.61927-08-01419
September181.410.91927-09-1483
October144.69.31927-10-29116
November86.18.01927-11-01160
December37.86.81927-12-05230