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
1908.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-12.01908-01-06-5.42840
February-10.21908-02-06-2.32110
March-2.21908-03-161.1900
April1.81908-04-045.8000
May6.61908-05-0213.1000
June9.01908-06-1015.1001
July11.91908-07-0215.5000
August10.01908-08-1813.9000
September6.11908-09-159.7000
October-6.31908-10-224.9400
November-9.51908-11-17-3.72800
December-9.81908-12-08-2.52200