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
2014.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-10.22014-01-27-0.21410
February-7.02014-02-031.2900
March-3.22014-03-113.4400
April0.82014-04-107.7000
May3.12014-05-0610.3000
June8.42014-06-1512.8000
July10.02014-07-0216.2000
August8.02014-08-2814.7000
September3.32014-09-2412.9000
October-2.32014-10-288.7100
November-0.92014-11-264.5500
December-13.42014-12-310.41110