Ma i -17°C di Milano ( Milan City ) di questa tabella :

ITALY
Rome City -8.2 42
Rome Ciampino Air. -11 40.6
Rome Fiumicino Air.-7.8 38.6
Milan City -17.2 39.8
Turin City -21 41.4
Turin Airport -21.8 37.4
Florence City -13 42
Florence Airport -23.2 42.6
Venice -13.5* 36.6 * -17.5C were recorded in January 1709
Genoa -8 37.8
Bologna -18.8 39.8
Perugia -15.8 40
Naples -5* 40 * a dubious -5.6C also recorded in January 1981
Bari -5.9 45.6
Palermo Observatory-0.5 44.6* * a questioned 45.5 also recorded in August 1885
Cagliari -4.8 43.7
Catenanuova 48.5
Lampedusa Island 2.2 39.9
Plateau Rosa -34.6 17.2
Mount Rose -41 7.3* * a record of 8.3C in August 2008 is likely to be faulty
Livigno -38* 29 * unofficial reading of -43C was claimed in February 1956 in the lowest parts of the town
Gran Gioves -42
Busa di Manna -43.8* * recorded in a frost hollow

sono riferiti a Milano Brera ? -17°C quando si toccarono nel 1800 ?

Per Linate il record di minima è -16°C nel 1956 !