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-7.0-2.91940-01-24-14.01940-01-20
February-5.02.91940-02-25-14.31940-02-17
March2.614.11940-03-27-4.31940-03-07
April11.520.21940-04-252.31940-04-08
May14.422.01940-05-268.31940-05-13
June19.324.51940-06-1614.31940-06-01
July20.725.31940-07-0815.21940-07-13
August17.723.41940-08-1012.61940-08-24
September16.121.31940-09-099.71940-09-29
October10.819.71940-10-032.81940-10-29
November8.115.51940-11-150.91940-11-30
December-3.13.51940-12-31-11.41940-12-20