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
January6.61909-01-150.215000
February6.51909-02-050.812000
March17.91909-03-308.20000
April26.41909-04-2616.80300
May29.01909-05-1720.50600
June30.01909-06-2224.801410
July33.91909-07-2625.601950
August32.31909-08-0227.102450
September25.11909-09-1021.80300
October22.91909-10-0618.00000
November16.11909-11-157.31000
December12.61909-12-056.12000