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
1917.m_tam_taxm_taxdm_tanm_tand
January-1.05.71917-01-16-8.01917-01-28
February-6.3-0.71917-02-22-17.11917-02-09
March3.011.71917-03-31-1.91917-03-03
April8.816.11917-04-064.01917-04-20
May15.023.11917-05-317.01917-05-07
June20.224.41917-06-2915.41917-06-09
July20.726.61917-07-3116.11917-07-13
August20.827.81917-08-0116.31917-08-31
September15.922.51917-09-2011.51917-09-26
October10.919.71917-10-114.91917-10-26
November5.511.21917-11-120.21917-11-18
December-2.05.91917-12-02-7.31917-12-21