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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 5/7/2024 (Report issued 5/7/2024 23:32)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 600 375 Data from 3/1 through 5/7/2024.
Includes forecast data for 5/7.
2023 392 256 Data from 3/1 through 5/7/2023.
2022 349 204 Data from 3/1 through 5/7/2022.
2021 490 337 Data from 3/1 through 5/7/2021.
Degree day data estimated for: 5/5
2020 312 201 Data from 3/1 through 5/7/2020.
2019 356 209 Data from 3/1 through 5/7/2019.
Average of 6 years 416.6 263.8 6 years with > 90% of data.
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