Month

November

December

January

February

March

Monthly Frost Days

1.1

6.1

6.0

2.4

0.7

Ten-Days Frost Days

0/0.2/0.9

1.5/1.6/3.0

2.3/1.9/1.8

1.3/0.8/0.3

0.7/0.0/0.0