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
1953.m_ssm_sxm_sxdm_dsf20m_dsf80
January63.87.21953-01-20170
February106.09.31953-02-23103
March244.510.91953-03-3008
April201.112.31953-04-2376
May232.813.61953-05-1554
June209.214.31953-06-1862
July341.414.41953-07-17113
August263.713.11953-08-16511
September204.611.61953-09-0749
October155.19.51953-10-02106
November62.57.91953-11-16191
December24.14.81953-12-14260