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
1949.m_ssm_sxm_sxdm_dsf20m_dsf80
January88.58.51949-01-23164
February158.29.41949-02-1468
March180.611.41949-03-2795
April240.713.21949-04-16310
May242.514.81949-05-29610
June236.014.61949-06-0157
July261.414.71949-07-1336
August286.613.91949-08-06717
September235.411.81949-09-05414
October188.110.21949-10-05813
November44.17.91949-11-21221
December86.97.31949-12-24153