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
1990.m_tam_taxm_taxdm_tanm_tand
January-1.16.31990-01-28-9.71990-01-08
February5.610.01990-02-260.91990-02-12
March8.615.91990-03-222.51990-03-03
April9.313.91990-04-034.51990-04-09
May15.620.51990-05-2411.41990-05-28
June17.325.31990-06-3011.71990-06-10
July19.124.91990-07-3114.81990-07-08
August20.324.91990-08-0116.11990-08-22
September13.718.81990-09-0110.61990-09-28
October9.715.81990-10-011.51990-10-23
November5.08.81990-11-23-0.41990-11-11
December-0.53.21990-12-31-5.81990-12-03