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
1952.m_ssm_sxm_sxdm_dsf20m_dsf80
January78.07.21952-01-14162
February82.38.71952-02-07152
March139.39.21952-03-17120
April242.912.51952-04-19410
May253.313.21952-05-3146
June306.914.81952-06-1718
July358.615.01952-07-03118
August311.513.51952-08-09114
September166.011.31952-09-04104
October138.28.91952-10-09102
November63.48.01952-11-05192
December28.97.31952-12-24251