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
1952.m_ssm_sxm_sxdm_dsf20m_dsf80
January67.07.11952-01-02182
February67.28.61952-02-22192
March139.99.91952-03-16134
April224.012.81952-04-3056
May211.112.21952-05-0382
June259.814.41952-06-0547
July324.314.81952-07-02211
August278.513.61952-08-11411
September137.110.11952-09-2192
October120.09.01952-10-03110
November73.37.51952-11-23131
December34.76.21952-12-05220