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
1956.m_ssm_sxm_sxdm_dsf20m_dsf80
January98.57.81956-01-26112
February69.46.41956-02-03160
March95.010.41956-03-29181
April172.710.91956-04-1940
May230.514.21956-05-2966
June211.514.61956-06-1363
July313.314.81956-07-09312
August288.113.41956-08-07413
September268.411.81956-09-02116
October162.49.91956-10-1586
November59.69.01956-11-01193
December29.17.31956-12-09251