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
1939.m_tam_taxm_taxdm_tanm_tand
January1.57.01939-01-18-5.81939-01-02
February3.59.21939-02-12-1.31939-02-04
March3.59.81939-03-30-0.41939-03-14
April14.219.41939-04-146.51939-04-01
May15.619.11939-05-1811.01939-05-06
June20.625.91939-06-2615.81939-06-15
July22.328.41939-07-1615.11939-07-26
August21.327.61939-08-0615.31939-08-16
September16.221.61939-09-027.41939-09-29
October10.017.11939-10-163.51939-10-31
November6.310.31939-11-300.31939-11-24
December0.711.41939-12-01-10.41939-12-29