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-2.65.61909-01-16-10.71909-01-24
February-2.15.51909-02-04-8.41909-02-23
March6.213.21909-03-210.31909-03-06
April11.619.81909-04-261.31909-04-03
May15.222.51909-05-255.91909-05-08
June18.323.21909-06-0414.11909-06-17
July19.426.21909-07-2613.01909-07-02
August21.025.21909-08-0216.21909-08-04
September17.422.31909-09-1112.51909-09-02
October13.217.81909-10-065.21909-10-26
November4.313.31909-11-16-3.91909-11-29
December4.59.71909-12-24-2.11909-12-17