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
1967.m_ssm_sxm_sxdm_dsf20m_dsf80
January74.67.41967-01-16151
February137.69.11967-02-2575
March170.310.81967-03-2674
April172.512.71967-04-2495
May211.514.01967-05-2785
June267.614.21967-06-23710
July293.013.61967-07-0126
August271.812.91967-08-1605
September192.611.61967-09-0389
October171.99.71967-10-0255
November101.48.01967-11-13121
December76.77.11967-12-03152