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
1928.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-20.81928-01-03-5.23050
February-9.71928-02-06-3.22200
March-8.51928-03-01-1.42000
April1.01928-04-216.2000
May1.21928-05-138.9000
June2.91928-06-0313.3002
July9.91928-07-0917.4004
August11.41928-08-0415.2000
September3.01928-09-2512.2000
October-0.51928-10-175.9100
November-2.01928-11-304.7300
December-10.01928-12-27-2.72510