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How
long is the winter in
Hartford
,
CT
?
The table below shows
the long term data for Latest date in spring and Earliest date in fall
for the temperatures shown.
Using 28 degrees may be more appropriate for roses, whereas 32 may be of
interest for plants like tomatoes in the spring or the demise of
Impatiens in the fall.
The numbers 10, 50 and 90 are the percent confidence levels that
the event will occur. Such
as: there will be only a 10% chance that there will be a 32 degree frost
after May 26, and 90 percent
of the time there will be a 28 degree freeze by November 5th.
There is a 50% confidence that the non-freezing growing season
will be at least 167 days.
Useful for
New England
planning? Probably not very
useful, at least for roses. But
instructive and interesting. And
we can hedge our bets on the positive
and state:
There is a 50-50 chance it will thaw by May 13!!
Spring
90
50
10
32 deg
4/8
5/13
5/26
28 deg
4/2
4/25
5/12
Fall
10
50
90
32 deg
9/23
10/10
10/26
28 deg
10/9
10/23
11/15
Freeze Free
10
50
90
32 deg
192
167
142
28 deg
210
193
177
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