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
2011.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-10.12011-01-03-2.82010
February-12.72011-02-27-3.32520
March-9.42011-03-090.71300
April1.82011-04-107.1000
May2.72011-05-0710.4000
June8.82011-06-2614.7000
July7.22011-07-0215.2001
August9.52011-08-1214.9002
September6.72011-09-2512.5000
October-5.92011-10-184.7400
November-6.82011-11-18-1.72300
December-6.92011-12-210.41700