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
1932.m_ssm_sxm_sxdm_dsf20m_dsf80
January47.57.41932-01-02232
February119.99.31932-02-21112
March128.810.61932-03-28133
April186.712.81932-04-2993
May279.514.41932-05-22411
June306.115.01932-06-04411
July347.714.81932-07-05116
August319.613.91932-08-09322
September253.111.11932-09-0707
October138.69.51932-10-12104
November79.18.61932-11-02163
December27.17.61932-12-07261