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
1914.m_ssm_sxm_sxdm_dsf20m_dsf80
January54.86.91914-01-10200
February45.97.01914-02-21180
March103.69.31914-03-29140
April195.111.61914-04-2941
May213.012.91914-05-29107
June214.513.11914-06-0452
July223.213.21914-07-1563
August299.812.71914-08-02212
September148.710.71914-09-02111
October111.08.71914-10-01160
November45.18.11914-11-02221
December29.16.61914-12-18260