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
2015.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-13.72014-12-31-0.41310
February-7.22015-02-09-1.11900
March-4.52015-03-082.1800
April-0.62015-04-084.7400
May5.42015-05-2911.2000
June7.02015-06-2213.8000
July8.92015-07-1116.1002
August8.62015-08-0116.9001
September3.92015-09-0913.1000
October0.12015-10-236.4000
November-3.72015-11-052.3700
December-6.92015-12-310.91200