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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 3/28/2024 (Report issued 3/28/2024 13:34)

Year Degree Days Base 41°F
for Alfalfa
86-50 Degree Days
for Corn
Dates evaluated
2024 124 86 Data from 3/1 through 3/28/2024.
Includes forecast data for 3/28.
2023 8 8 Data from 3/1 through 3/28/2023.
2022 74 66 Data from 3/1 through 3/28/2022.
2021 111 102 Data from 3/1 through 3/28/2021.
2020 54 45 Data from 3/1 through 3/28/2020.
2019 29 22 Data from 3/1 through 3/28/2019.
Degree day data estimated for: 3/10; 3/21
Average of 6 years 66.5 54.9 6 years with > 90% of data.