COLLEGE OF FOOD, AGRICULTURAL,
AND ENVIRONMENTAL SCIENCES

The Ohio State Phenology Calendar

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Wooster on 12/23/2025 12:58:49 AM is 3,052 GDD

The GDD on 12/23 in previous years:


  • 2024: 3,515
  • 2023: 2,801
  • 2022: 3,374
  • 2021: 3,585
  • 2020: 3,288
  • 2019: 3,318
  • 2018: 3,437
  • 2017: 3,331
  • 2016: 3,627
  • 2015: 3,280
  • 2014: 2,958
  • 2013: 3,155
  • 2012: 3,511
  • 2011: 3,301
  • 2010: 3,449
  • 2009: 2,848
  • 2008: 2,975
  • 2007: 3,408
  • 2006: 3,090
  • 2005: 3,436
  • 20 Year GDD Average for Wooster on 12/23 - 3,284
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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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