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
2017.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-18.32017-01-08-8.931100
February-6.72017-02-15-0.51500
March-2.22017-03-153.7600
April-0.22017-04-214.6100
May2.62017-05-1011.0000
June9.52017-06-0914.7000
July11.02017-07-1816.1003
August8.42017-08-2416.3004
September5.12017-09-2512.1000
October1.72017-10-316.3000
November-3.72017-11-283.0400
December-7.02017-12-21-0.32100