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
1953.m_tnnm_tnndm_tnam_dtn0m_dtn10m_dtn20
January-6.61953-01-27-1.62300
February-13.21953-02-19-3.22120
March-6.91953-03-14-0.61800
April0.21953-04-215.6000
May0.21953-05-118.7000
June9.31953-06-0215.2000
July10.71953-07-2116.1001
August8.41953-08-0812.5000
September1.71953-09-1511.3000
October-0.71953-10-237.2300
November-10.01953-11-26-0.71510
December-14.41953-12-17-5.72690