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
1931.m_tam_taxm_taxdm_tanm_tand
January-1.06.51931-01-04-10.41931-01-22
February0.96.61931-02-20-3.21931-02-11
March0.79.01931-03-22-5.61931-03-05
April7.617.81931-04-210.11931-04-01
May18.124.41931-05-3110.61931-05-01
June20.025.51931-06-2016.01931-06-27
July22.428.91931-07-1515.71931-07-31
August20.327.01931-08-0914.31931-08-28
September12.221.11931-09-044.51931-09-27
October8.616.71931-10-252.81931-10-22
November2.911.51931-11-10-2.91931-11-30
December-2.63.81931-12-29-11.21931-12-20