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
2003.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-25.22003-01-12-6.82780
February-19.42003-02-14-10.928170
March-8.92003-03-07-1.22100
April-7.02003-04-093.7700
May5.02003-05-1612.7000
June8.52003-06-2215.6002
July9.12003-07-1416.0000
August9.72003-08-2616.1001
September3.52003-09-0410.4000
October-5.12003-10-264.4700
November-3.82003-11-133.2600
December-9.52003-12-26-1.81900