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
1946.m_ssm_sxm_sxdm_dsf20m_dsf80
January108.88.41946-01-22123
February77.18.71946-02-19132
March149.310.51946-03-30102
April254.913.21946-04-29313
May240.113.61946-05-1046
June328.614.31946-06-25213
July338.814.51946-07-04215
August312.113.11946-08-04215
September253.511.01946-09-01210
October132.410.01946-10-17167
November44.48.51946-11-06221
December59.17.51946-12-17201