Description of elements in the header
m_tamonthly mean temperature
m_taxthe daily maximum mean temperature in the month
m_taxdthe day with the daily maximum mean temperature
m_tanthe daily minimum mean temperature in the month
m_tandthe day with the daily minimum mean temperature
1939.m_tam_taxm_taxdm_tanm_tand
January1.46.81939-01-19-7.01939-01-01
February2.79.41939-02-12-1.41939-02-04
March4.110.41939-03-270.41939-03-17
April14.421.11939-04-088.11939-04-01
May16.221.21939-05-2011.01939-05-25
June20.825.51939-06-2616.21939-06-15
July23.530.21939-07-2216.71939-07-26
August21.829.41939-08-0616.01939-08-17
September16.922.51939-09-028.31939-09-28
October10.919.01939-10-172.91939-10-31
November6.29.31939-11-070.91939-11-24
December0.711.41939-12-01-10.81939-12-31