COLLEGE OF FOOD, AGRICULTURAL,
AND ENVIRONMENTAL SCIENCES

The Ohio State Phenology Calendar

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Wooster on 8/16/2025 10:13:48 PM is 2,158 GDD

The GDD on 8/16 in previous years:


  • 2024: 2,375
  • 2023: 1,986
  • 2022: 2,339
  • 2021: 2,289
  • 2020: 2,257
  • 2019: 2,228
  • 2018: 2,317
  • 2017: 2,247
  • 2016: 2,360
  • 2015: 2,150
  • 2014: 2,018
  • 2013: 2,143
  • 2012: 2,600
  • 2011: 2,326
  • 2010: 2,470
  • 2009: 1,991
  • 2008: 2,026
  • 2007: 2,237
  • 2006: 2,191
  • 2005: 2,310
  • 20 Year GDD Average for Wooster on 8/16 - 2,243
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Denise Ellsworth
1680 Madison Ave. | Wooster, OH 44691
Phone: 330-263-3723 | ellsworth.2@osu.edu


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