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
January50.47.71952-01-29211
February65.97.71952-02-23160
March137.79.61952-03-15102
April211.712.61952-04-1953
May244.813.71952-05-2043
June292.414.61952-06-1746
July357.014.81952-07-07118
August310.613.61952-08-12016
September168.611.41952-09-0274
October118.49.21952-10-09132
November56.97.41952-11-05200
December32.16.71952-12-23260