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
1925.m_ssm_sxm_sxdm_dsf20m_dsf80
January48.17.21925-01-29231
February87.27.91925-02-18130
March162.611.41925-03-3174
April215.211.91925-04-1356
May275.913.81925-05-3148
June268.514.61925-06-0649
July276.313.81925-07-0423
August244.612.51925-08-11610
September160.710.81925-09-08104
October171.59.71925-10-1094
November64.36.71925-11-19170
December42.17.01925-12-24231