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
1959.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-12.51959-01-19-3.52640
February-10.51959-02-15-4.22520
March-2.31959-03-212.3800
April-1.41959-04-215.6300
May3.41959-05-059.7000
June6.51959-06-0513.0000
July12.41959-07-0216.9000
August10.81959-08-2814.8000
September1.01959-09-197.7000
October-2.81959-10-173.0700
November-5.91959-11-242.5600
December-1.11959-12-082.1900