1887 through 2007 (121 Growing seasons)
Growing season is
defined as continuous temperatures > 32F,
following the last freeze
in Spring and prior to the first freeze in the Autumn.
Year 2007: Last
temperature < 32 F was April 15 and
Year 2007: First
temperature <32 F was October 23,
for a growing season of
190 days (18th longest growing season since 1887).
LINK: Lincoln's First Freeze Climatology, 1887-2007
121-year, 1887-2007 average growing season length: 172 days.
Standard 30-year, 1971-2000, average growing season length: 162 days.
The last 30 years,
1978-2007, average growing season length: 161 days.
