Description of elements in the header
m_txxmonthly maximum temperature
m_txxdthe day with the monthly maximum temperature
m_txathe monthly mean of the daily maximum temperatures
m_dtx0number of winter days with a maximum temperature of ≤ 0 °C
m_dtx25number of summer days with a maximum temperature of ≥ 25 °C
m_dtx30number of heat days with a maximum temperature of ≥ 30 °C
m_dtx35number of torrid days with a maximum temperature of ≥ 35 °C
1909.m_txxm_txxdm_txam_dtx0m_dtx25m_dtx30m_dtx35
January8.21909-01-050.713000
February10.01909-02-041.69000
March18.61909-03-308.50000
April28.01909-04-2718.00400
May28.81909-05-1719.30500
June30.01909-06-2224.101110
July31.21909-07-2624.601520
August31.01909-08-0225.101530
September27.31909-09-1221.30200
October21.01909-10-0616.40000
November16.21909-11-166.31000
December14.41909-12-205.02000