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
1926.m_ssm_sxm_sxdm_dsf20m_dsf80
January59.17.41926-01-27200
February41.28.41926-02-23200
March127.010.21926-03-11122
April245.213.21926-04-29411
May242.613.91926-05-1257
June176.313.41926-06-07112
July239.213.91926-07-1865
August263.912.51926-08-1138
September243.512.41926-09-0129
October148.89.21926-10-06105
November87.67.61926-11-04140
December64.26.81926-12-07171