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-8.92011-01-30-2.22100
February-7.82011-02-25-2.72300
March-6.42011-03-091.81100
April3.92011-04-178.4000
May2.62011-05-0610.9000
June10.22011-06-2015.3001
July9.42011-07-0316.2003
August9.62011-08-1116.8003
September8.92011-09-3014.4001
October-1.52011-10-176.4100
November-6.22011-11-18-1.02100
December-6.92011-12-21-0.01800