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
1921.m_tam_taxm_taxdm_tanm_tand
January2.59.21921-01-14-4.31921-01-28
February-0.54.51921-02-04-4.41921-02-22
March5.712.91921-03-27-1.11921-03-09
April10.517.51921-04-164.61921-04-03
May16.821.71921-05-2112.01921-05-04
June16.825.11921-06-039.71921-06-22
July20.727.71921-07-2913.51921-07-06
August20.727.71921-08-1213.81921-08-31
September13.520.31921-09-166.81921-09-29
October8.315.61921-10-231.41921-10-27
November1.28.71921-11-06-7.41921-11-27
December-1.23.41921-12-21-9.01921-12-12