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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 4/24/2024 (Report issued 4/24/2024 21:34)

Year Degree Days Base 41°F
for Alfalfa		 86-50 Degree Days
for Corn		 Dates evaluated
2024 318 210 Data from 3/1 through 4/24/2024.
Includes forecast data for 4/24.
2023 241 169 Data from 3/1 through 4/24/2023.
2022 203 159 Data from 3/1 through 4/24/2022.
2021 323 243 Data from 3/1 through 4/24/2021.
2020 149 109 Data from 3/1 through 4/24/2020.
2019 209 143 Data from 3/1 through 4/24/2019.
Degree day data estimated for: 3/21 - 3/26
Average of 6 years 240.5 172.3 6 years with > 90% of data.
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