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
1972.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-13.91972-01-16-3.92050
February-8.41972-02-03-0.01300
March-8.11972-03-131.21000
April0.91972-04-297.3000
May4.71972-05-1310.4000
June8.91972-06-2714.2001
July11.21972-07-0516.5000
August7.21972-08-2714.0000
September-0.61972-09-297.9300
October-4.11972-10-204.4300
November-5.01972-11-291.71000
December-12.41972-12-30-2.11730