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-7.9-2.11940-01-23-16.11940-01-11
February-5.21.61940-02-09-14.91940-02-15
March2.812.71940-03-26-5.01940-03-07
April11.520.01940-04-251.71940-04-08
May14.822.41940-05-279.01940-05-01
June19.124.91940-06-1614.41940-06-01
July21.626.91940-07-0816.61940-07-17
August17.925.11940-08-1111.61940-08-31
September17.422.21940-09-2410.21940-09-30
October11.820.21940-10-033.81940-10-28
November8.313.11940-11-151.81940-11-30
December-4.92.41940-12-08-13.61940-12-19