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  • Michigan State University Extension
  • Michigan State University Ag Bio Research
  • Project GREEEN

East Lansing (MSUHort) Historical Degree Day Summary (Numerical Integration method) from 3/1 to 4/18 (Report issued 4/18/2024 6:29)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2024 270 200 113 Current data from 3/1 through 4/18/2024 6AM.
2023 218 169 112 Data from 3/1 through 4/18/2023.
Temperature data estimated for: 3/3/2023 9-10AM (1 hour); Total of 1 estimated hours
2022 129 91 50 Data from 3/1 through 4/18/2022.
Temperature data estimated for: 4/11/2022 9-10AM - 4/11/2022 10-11AM (2 hours); Total of 2 estimated hours
2021 317 244 148 Data from 3/1 through 4/18/2021.
2020 142 93 41 Data from 3/1 through 4/18/2020.
2019 140 99 51 Data from 3/1 through 4/18/2019.
Average of 5 years, not including current year 188.9 139.1 80.3 5 years with > 90% of data.
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