Description of elements in the header
m_tnnmonthly minimum temperature
m_tnndthe day with the monthly minimum temperature
m_tnathe monthly mean of the daily minimum temperatures
m_dtn0number of frost days with a minimum temperature of ≤ 0 °C
m_dtn10number of days with a minimum temperature of ≤ -10 °C
m_dtn20number of warm nights with a minimum temperature of ≥ 20 °C
1914.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-19.01914-01-27-9.331140
February-15.21914-02-02-6.921160
March-1.51914-03-053.2500
April2.51914-04-176.6000
May1.51914-05-0310.4000
June9.01914-06-0414.5000
July11.01914-07-0915.4000
August12.01914-08-2215.5000
September6.51914-09-2110.8000
October0.31914-10-096.7000
November-7.61914-11-280.81200
December-4.01914-12-031.01000