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
1925.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-8.01925-01-24-3.42600
February-3.81925-02-031.11200
March-6.81925-03-190.61400
April-2.21925-04-015.6100
May4.01925-05-2011.8000
June8.41925-06-0813.0000
July12.01925-07-0115.9001
August12.21925-08-3115.6000
September6.91925-09-1411.3000
October1.21925-10-217.5000
November-9.41925-11-303.7900
December-17.51925-12-18-7.025140