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
1952.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-7.01952-01-30-1.62500
February-9.91952-02-08-2.22300
March-10.01952-03-10-2.82010
April-1.51952-04-046.3200
May-1.21952-05-218.6100
June5.61952-06-0612.5000
July8.71952-07-2715.7002
August8.71952-08-2416.5005
September3.31952-09-2111.3002
October-0.31952-10-196.8100
November-2.21952-11-112.5600
December-10.21952-12-10-0.61910