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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 4/19/2024 (Report issued 4/19/2024 15:00)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 191 116 Data from 3/1 through 4/19/2024.
Includes forecast data for 4/19.
2023 186 117 Data from 3/1 through 4/19/2023.
2022 64 49 Data from 3/1 through 4/19/2022.
2021 227 142 Data from 3/1 through 4/19/2021.
Degree day data estimated for: 4/6
2020 71 44 Data from 3/1 through 4/19/2020.
2019 81 49 Data from 3/1 through 4/19/2019.
Average of 6 years 136.8 86.1 6 years with > 90% of data.
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