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
1963.m_ssm_sxm_sxdm_dsf20m_dsf80
January66.78.01963-01-21203
February80.810.01963-02-27161
March202.311.01963-03-1669
April224.712.41963-04-2658
May256.513.61963-05-3147
June298.214.71963-06-22211
July325.214.31963-07-16211
August299.213.61963-08-06314
September234.911.81963-09-03414
October189.19.51963-10-0757
November128.27.81963-11-2462
December41.17.51963-12-02231