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
1907.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-19.31907-01-22-6.02870
February-16.21907-02-16-6.22660
March-5.61907-03-14-1.22600
April0.51907-04-015.4000
May4.81907-05-0114.6000
June9.81907-06-0416.2003
July10.01907-07-1414.9000
August11.21907-08-2315.6001
September5.31907-09-2310.5000
October3.51907-10-2410.4000
November-6.31907-11-070.71500
December-10.11907-12-18-0.31110