COLLEGE OF FOOD, AGRICULTURAL,
AND ENVIRONMENTAL SCIENCES

The Ohio State Phenology Calendar

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Wooster on 10/31/2025 2:34:39 AM is 3,030 GDD

The GDD on 10/31 in previous years:


  • 2024: 3,428
  • 2023: 2,747
  • 2022: 3,279
  • 2021: 3,528
  • 2020: 3,190
  • 2019: 3,308
  • 2018: 3,419
  • 2017: 3,282
  • 2016: 3,532
  • 2015: 3,130
  • 2014: 2,921
  • 2013: 3,107
  • 2012: 3,456
  • 2011: 3,211
  • 2010: 3,397
  • 2009: 2,794
  • 2008: 2,915
  • 2007: 3,362
  • 2006: 3,007
  • 2005: 3,336
  • 20 Year GDD Average for Wooster on 10/31 - 3,218
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Denise Ellsworth
1680 Madison Ave. | Wooster, OH 44691
Phone: 330-263-3723 | ellsworth.2@osu.edu


Ashley Kulhanek
4046 Medina Road | Medina, OH 44256
Phone: 330-661-6404 | kulhanek.5@osu.edu


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