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

Flint Historical Degree Day Summary (Numerical Integration method) from 3/1 to 4/20 (Report issued 4/20/2024 7:58)

Year Degree Days Base 42°F Degree Days Base 45°F Degree Days Base 50°F Dates evaluated
2024 274 202 114 Current data from 3/1 through 4/20/2024 7AM.
2023 249 194 130 Data from 3/1 through 4/20/2023.
2022 135 94 50 Data from 3/1 through 4/20/2022.
2021 347 269 164 Data from 3/1 through 4/20/2021.
2020 167 110 46 Data from 3/1 through 4/20/2020.
2019 144 101 54 Data from 3/1 through 4/20/2019.
Average of 5 years, not including current year 208.3 153.7 88.8 5 years with > 90% of data.
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