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
1982.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-14.51982-01-11-6.22660
February-9.51982-02-06-3.92600
March-3.31982-03-251.01000
April-0.91982-04-133.1500
May2.91982-05-0111.1000
June7.91982-06-1813.8000
July9.81982-07-0914.8000
August9.41982-08-2415.0000
September7.21982-09-0413.1000
October1.51982-10-178.6000
November-5.01982-11-081.3900
December-6.11982-12-311.31300