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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 15:34)

Year Degree Days Base 41°F
for Alfalfa
86-50 Degree Days
for Corn
Dates evaluated
2024 201 122 Data from 3/1 through 4/23/2024.
Includes forecast data for 4/23.
2023 202 129 Data from 3/1 through 4/23/2023.
2022 87 64 Data from 3/1 through 4/23/2022.
2021 232 143 Data from 3/1 through 4/23/2021.
2020 68 41 Data from 3/1 through 4/23/2020.
2019 112 71 Data from 3/1 through 4/23/2019.
Average of 6 years 150.4 95 6 years with > 90% of data.