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
1941.m_ssm_sxm_sxdm_dsf20m_dsf80
January59.57.41941-01-12191
February61.38.91941-02-26172
March122.49.91941-03-20141
April117.812.31941-04-29121
May215.913.11941-05-3073
June250.414.01941-06-2668
July278.214.21941-07-1327
August263.813.11941-08-14514
September214.410.81941-09-0444
October133.19.51941-10-13133
November38.67.91941-11-09231
December69.37.21941-12-16182