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
2002.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-14.32002-01-04-3.92850
February-3.52002-02-160.71400
March-3.02002-03-122.01200
April-5.02002-04-084.8400
May4.52002-05-0112.3000
June7.42002-06-0214.4000
July10.62002-07-0516.9004
August12.22002-08-3116.2000
September4.92002-09-1710.4000
October-1.42002-10-086.2200
November-3.52002-11-115.1200
December-13.22002-12-12-2.42330