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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 4/20/2024 (Report issued 4/20/2024 0:36)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 115 85 Data from 3/1 through 4/20/2024.
Degree day data estimated for: 4/19 Includes forecast data for 4/20.
2023 170 117 Data from 3/1 through 4/20/2023.
2022 31 25 Data from 3/1 through 4/20/2022.
2021 221 137 Data from 3/1 through 4/20/2021.
2020 25 29 Data from 3/1 through 4/20/2020.
2019 37 25 Data from 3/1 through 4/20/2019.
Average of 6 years 99.8 69.4 6 years with > 90% of data.
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