In article ,
"Keith(Southend)" writes:
*Key cold indicators*

29th Dec-09 30th Dec-09

Max °C Min °C Max °C Min °C
snip
1.7 -1.7 9.4 1.6 Brussels (58m)
12.7 2.9 11.8 9 Paris-Orly(89m)
1.2 -2.5 0.5 0.3 Amsterdam (-2m)

Interesting contrast between Brussels and Amsterdam. The boundary
between the mild and colder air clearly lay somewhere between the two.
--
John Hall "[It was] so steep that at intervals the street broke into steps,
like a person breaking into giggles or hiccups, and then resumed
its sober climb, until it had another fit of steps."
Ursula K Le Guin "The Beginning Place"