for Lincoln, NE, 1887-2007 (121 Years)
Earliest
"first freeze", September 11, 1940 (Julian Day 254).
Latest
"first freeze", November 7, 1956 (Julian Day 311).
Year
2007, "first freeze", October 23, (Julian Day 296).
121-year,
1887-2006, average "first freeze", October 12 (Julian Day 285).
Standard
30-year Normal, 1971-2000, average "first freeze", October
6 (Julian Day 279).