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
1948.m_ssm_sxm_sxdm_dsf20m_dsf80
January45.66.51948-01-26210
February117.110.01948-02-27125
March214.910.51948-03-3027
April204.212.81948-04-2385
May270.814.11948-05-2337
June230.415.11948-06-1666
July311.714.41948-07-22313
August287.514.01948-08-01314
September225.510.41948-09-1155
October140.810.01948-10-1295
November69.07.81948-11-17182
December51.56.61948-12-25200