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
1906.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-12.01906-01-26-4.73040
February-12.51906-02-02-2.32520
March-4.01906-03-041.21300
April-1.71906-04-036.1400
May6.61906-05-0111.1000
June7.81906-06-0813.2000
July14.01906-07-1517.2001
August9.11906-08-2915.4001
September0.31906-09-2811.3000
October-0.91906-10-286.2100
November-4.61906-11-163.3700
December-16.31906-12-23-4.52750