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
1963.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-25.41963-01-24-10.729160
February-23.51963-02-03-7.02670
March-14.01963-03-01-1.01530
April0.01963-04-056.9100
May4.71963-05-0710.8000
June7.01963-06-0314.9003
July11.51963-07-1016.6001
August10.01963-08-2315.8002
September4.51963-09-3012.4000
October-1.01963-10-165.3100
November-3.21963-11-225.6200
December-21.81963-12-19-7.83170