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
1930.m_tam_taxm_taxdm_tanm_tand
January-0.13.91930-01-03-3.91930-01-23
February-0.14.51930-02-02-7.41930-02-10
March5.811.61930-03-180.41930-03-13
April10.318.41930-04-254.21930-04-03
May13.820.51930-05-308.81930-05-10
June19.624.81930-06-2613.31930-06-04
July19.225.01930-07-0612.61930-07-12
August18.022.61930-08-2313.11930-08-16
September16.020.11930-09-0111.91930-09-26
October9.815.31930-10-094.81930-10-25
November6.613.41930-11-290.71930-11-19
December0.38.91930-12-01-5.01930-12-19