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
1972.m_ssm_sxm_sxdm_dsf20m_dsf80
January32.65.71972-01-13230
February52.16.61972-02-04190
March148.79.71972-03-25110
April124.911.51972-04-28141
May152.812.71972-05-29121
June273.713.81972-06-0746
July204.113.01972-07-3071
August203.912.41972-08-15113
September194.411.81972-09-0174
October121.69.91972-10-06102
November73.07.01972-11-19160
December64.67.61972-12-10193