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
1940.m_tam_taxm_taxdm_tanm_tand
January-8.1-2.31940-01-25-13.31940-01-13
February-4.12.31940-02-29-15.91940-02-15
March4.014.31940-03-26-4.01940-03-07
April11.920.91940-04-231.61940-04-08
May14.321.81940-05-2610.11940-05-14
June19.225.11940-06-1614.91940-06-28
July20.925.41940-07-2615.61940-07-13
August17.924.71940-08-1012.21940-08-22
September16.520.51940-09-249.11940-09-29
October11.520.21940-10-043.71940-10-29
November8.616.01940-11-151.21940-11-30
December-4.14.81940-12-31-13.21940-12-20