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

Arlene Historical Degree Day Summary (Numerical Integration method) from 3/1 to 4/19 (Report issued 4/19/2024 1:52)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2024 157 108 55 Current data from 3/1 through 4/19/2024 1AM.
2023 172 143 102 Data from 3/1 through 4/19/2023.
2022 57 39 20 Data from 3/1 through 4/19/2022.
2021 228 170 93 Data from 3/1 through 4/19/2021.
2020 77 47 18 Data from 3/1 through 4/19/2020.
2019 48 27 10 Data from 3/1 through 4/19/2019.
Average of 5 years, not including current year 116.4 85.2 48.9 5 years with > 90% of data.
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