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
1922.m_ssm_sxm_sxdm_dsf20m_dsf80
January88.58.01922-01-24154
February59.27.71922-02-21180
March106.28.41922-03-19130
April156.812.51922-04-17114
May301.614.11922-05-23310
June256.014.11922-06-2956
July324.714.51922-07-03115
August313.913.71922-08-01212
September106.29.21922-09-21140
October63.08.81922-10-25231
November104.48.01922-11-14113
December42.87.51922-12-01243