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
January46.97.51963-01-22233
February79.29.41963-02-28152
March157.110.31963-03-25112
April197.412.01963-04-2763
May260.912.71963-05-2935
June262.014.81963-06-2636
July299.013.81963-07-1627
August246.913.51963-08-2038
September207.410.71963-09-0167
October162.49.31963-10-1272
November88.57.21963-11-24141
December42.46.41963-12-01220