Earlier this week, a BYGL Alert was written as an intro or refresher to growing degree days, Growing Degree Days (GDD) – What Is Your # , (March 16, 2020). As promised, here is part two.
Here is a look at GDD accumulations across the state as of March 20, 2020. While I couldn’t do every Ohio zip code – but you can easily do your own – this gives you a taste of where others are at in Ohio.
Toledo (43615) - 26 GDD
Cleveland (44120) - 48 GDD
Canfield (44404) - 61 GDD
Athens (45701) - 92 GDD
Ironton (45638) - 101 GDD
Cincinnati (45223) - 95 GDD
Lima (45804) - 31 GDD
Mansfield (44906) - 46 GDD
Columbus (43210) - 59 GDD
Chillicothe (45601) - 96 GDD
Once you have your own GDD, you can click on the ‘summary’ tab and it will provide the last 6 years of GDD accumulations on that same date. I used the zip code of the office in Toledo as an example.
Toledo (43615) – this year, plus 6 past years
2020, March 20 - 26 GDD
2019, March 20 - 74 GDD
2018, March 20 - 109 GDD
2017, March 20 - 152 GDD
2016, March 20 -152 GDD
2015, March 20 - 41 GDD
2014, March 20 - 49 GDD
Just as you can change the zip code on the website, you can also manipulate the date if you would like to explore what was the GDD on a specific date in the past. If you have any questions, or need additional guidance to navigate the website if you are a newbie, send an email to stone.91@osu.edu and in the subject line include: GDD
Digging Deeper
Nature’s Notebook
https://www.usanpn.org/natures_notebook
National Phenology Network
USGS (U.S. Geological Survey) Video
