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
1905.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-21.01905-01-24-10.531180
February-7.51905-02-14-2.92600
March-0.51905-03-231.8600
April-3.51905-04-093.9500
May7.81905-05-1110.9000
June8.51905-06-1214.9000
July12.81905-07-2017.4004
August12.11905-08-3016.9006
September5.51905-09-1812.8000
October-0.41905-10-282.9200
November-1.51905-11-274.0200
December-9.61905-12-20-1.21900