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
1927.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-5.01927-01-08-0.72000
February-11.41927-02-21-3.62620
March0.81927-03-274.4000
April2.01927-04-055.8000
May3.01927-05-1210.4000
June11.81927-06-2315.0001
July14.01927-07-2517.6005
August11.91927-08-3015.9005
September8.81927-09-1712.7000
October4.01927-10-127.3000
November-2.51927-11-293.3700
December-21.71927-12-22-5.93170