The 10 (11) Coldest Days of 2015 [degs C]

=11. 7.4   February 2, February 7
9.     7.3   February 23
8.     7.2   February 5
7.     7.0   January 31
6.     6.9   January 21
5.     6.6   January 19
4.     6.3   February 1
3.     6.1   February 4
2.     5.8   February 3
1.     4.4   February 6