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
1983.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-8.01983-01-21-0.11700
February-12.41983-02-23-3.52310
March-6.81983-03-131.71000
April0.81983-04-047.6000
May4.81983-05-0611.4000
June8.41983-06-0913.3000
July9.61983-07-2215.8000
August8.21983-08-0514.5000
September4.01983-09-2710.1000
October-3.21983-10-244.7400
November-10.61983-11-15-2.71820
December-14.61983-12-13-3.32130