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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 12:01)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 122 67 Data from 3/1 through 4/23/2024.
Includes forecast data for 4/23.
2023 168 106 Data from 3/1 through 4/23/2023.
2022 44 30 Data from 3/1 through 4/23/2022.
2021 197 102 Data from 3/1 through 4/23/2021.
2020 20 14 Data from 3/1 through 4/23/2020.
2019 52 35 Data from 3/1 through 4/23/2019.
Degree day data estimated for: 4/12; 4/21
Average of 6 years 100.4 59 6 years with > 90% of data.
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