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
1909.m_tam_taxm_taxdm_tanm_tand
January-2.55.71909-01-05-9.91909-01-25
February-2.67.71909-02-04-9.51909-02-24
March3.611.91909-03-30-1.91909-03-06
April10.820.91909-04-271.11909-04-03
May13.420.11909-05-175.51909-05-03
June17.523.11909-06-0413.31909-06-30
July18.525.11909-07-2613.31909-07-01
August19.323.61909-08-1814.01909-08-23
September15.520.31909-09-1212.11909-09-06
October11.215.71909-10-064.01909-10-27
November2.911.71909-11-16-4.61909-11-30
December1.98.01909-12-03-3.51909-12-17