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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 4/25/2024 (Report issued 4/25/2024 18:24)

Year Degree Days Base 41°F
for Alfalfa
86-50 Degree Days
for Corn
Dates evaluated
2024 296 194 Data from 3/1 through 4/25/2024.
Includes forecast data for 4/25.
2023 235 168 Data from 3/1 through 4/25/2023.
2022 188 151 Data from 3/1 through 4/25/2022.
Degree day data estimated for: 3/30
2021 297 241 Data from 3/1 through 4/25/2021.
2020 153 106 Data from 3/1 through 4/25/2020.
2019 206 138 Data from 3/1 through 4/25/2019.
Average of 6 years 229.1 166.4 6 years with > 90% of data.