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
1950.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-14.51950-01-31-5.52550
February-17.71950-02-04-1.91530
March-1.81950-03-112.2800
April1.71950-04-118.4000
May5.01950-05-0112.9000
June11.61950-06-2516.1002
July13.31950-07-3118.40010
August11.21950-08-0516.9006
September7.41950-09-2413.1000
October0.41950-10-286.2000
November-1.51950-11-283.5400
December-2.81950-12-312.31000