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  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

Historical Degree Day Summary for Field Crops from 3/1/2024 to 5/10/2024 (Report issued 5/10/2024 22:38)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 418 264 Data from 3/1 through 5/10/2024.
Includes forecast data for 5/10.
2023 319 196 Data from 3/1 through 5/10/2023.
2022 246 161 Data from 3/1 through 5/10/2022.
2021 368 237 Data from 3/1 through 5/10/2021.
2020 165 119 Data from 3/1 through 5/10/2020.
2019 198 123 Data from 3/1 through 5/10/2019.
Average of 6 years 285.6 183.2 6 years with > 90% of data.
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