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
2007.m_ssm_sxm_sxdm_dsf20m_dsf80
January95.18.02007-01-15132
February84.69.42007-02-14123
March159.610.62007-03-31137
April304.312.92007-04-20114
May270.813.72007-05-1447
June297.314.12007-06-1506
July330.214.72007-07-15213
August266.613.02007-08-0239
September194.510.52007-09-1966
October135.09.72007-10-14114
November100.38.92007-11-01133
December41.17.72007-12-05221