COLLEGE OF FOOD, AGRICULTURAL,
AND ENVIRONMENTAL SCIENCES

The Ohio State Phenology Calendar

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Wooster on 5/24/2026 3:37:37 PM is 668 GDD

The GDD on 5/24 in previous years:


  • 2025: 502
  • 2024: 664
  • 2023: 461
  • 2022: 530
  • 2021: 526
  • 2020: 393
  • 2019: 457
  • 2018: 506
  • 2017: 584
  • 2016: 423
  • 2015: 468
  • 2014: 420
  • 2013: 513
  • 2012: 678
  • 2011: 425
  • 2010: 543
  • 2009: 483
  • 2008: 383
  • 2007: 531
  • 2006: 444
  • 20 Year GDD Average for Wooster on 5/24 - 497
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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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