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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 4/23/2024 (Report issued 4/23/2024 10:36)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 178 109 Data from 3/1 through 4/23/2024.
Includes forecast data for 4/23.
2023 209 137 Data from 3/1 through 4/23/2023.
2022 73 46 Data from 3/1 through 4/23/2022.
2021 250 138 Data from 3/1 through 4/23/2021.
2020 39 28 Data from 3/1 through 4/23/2020.
2019 95 59 Data from 3/1 through 4/23/2019.
Average of 6 years 140.5 86.2 6 years with > 90% of data.
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