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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 4/25/2024 (Report issued 4/25/2024 10:14)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 85 80 Data from 3/1 through 4/25/2024.
Includes forecast data for 4/25.
2023 97 80 Data from 3/1 through 4/25/2023.
2022 22 30 Data from 3/1 through 4/25/2022.
2021 121 97 Data from 3/1 through 4/25/2021.
2020 5 26 Data from 3/1 through 4/25/2020.
2019 31 33 Data from 3/1 through 4/25/2019.
Average of 6 years 60.1 57.6 6 years with > 90% of data.
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