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
January78.87.51946-01-22172
February95.38.91946-02-14113
March150.310.31946-03-29122
April271.713.21946-04-19213
May259.714.21946-05-1008
June301.614.41946-06-06212
July348.414.61946-07-01115
August312.213.31946-08-02315
September240.312.51946-09-0149
October147.79.71946-10-01117
November36.77.41946-11-12240
December50.27.31946-12-02233