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
1984.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-7.41984-01-11-2.92800
February-10.01984-02-15-1.81710
March-7.21984-03-200.71400
April-2.41984-04-015.2300
May6.61984-05-1010.9000
June8.51984-06-2711.9000
July8.21984-07-0812.8001
August7.21984-08-2813.4000
September6.71984-09-1011.3000
October-0.81984-10-187.3200
November-5.11984-11-132.1700
December-14.41984-12-29-3.52630