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
1961.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-13.01961-01-19-3.62150
February-4.51961-02-09-0.71600
March-3.31961-03-232.2700
April0.81961-04-138.3000
May3.81961-05-149.6000
June10.21961-06-0414.2001
July7.81961-07-0713.6000
August8.31961-08-2113.3001
September4.21961-09-2510.2000
October2.21961-10-258.0000
November-6.91961-11-233.2500
December-13.11961-12-17-3.12150