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-9.5-0.21940-01-23-17.91940-01-20
February-7.50.61940-02-06-18.61940-02-17
March0.511.11940-03-27-7.71940-03-03
April10.319.51940-04-240.81940-04-08
May14.321.31940-05-275.01940-05-15
June18.222.51940-06-2413.91940-06-01
July19.824.11940-07-0815.71940-07-31
August16.924.01940-08-1111.11940-08-31
September15.320.91940-09-109.61940-09-30
October9.819.01940-10-030.61940-10-28
November7.714.71940-11-150.91940-11-30
December-5.51.51940-12-31-14.11940-12-20